ロンビック List of Products and Services

We would like to introduce a molecular weight evaluation technology for cellulose materials. It enables the dissolution of difficult-to-dissolve cellulose in a short time and allows for the measurement of molecular weight distribution using GPC. Our unique pretreatment technology achieves the preparation of stable solutions suitable for rapid dissolution and GPC measurement. Additionally, we have accumulated know-how regarding resin separation technology, allowing us to isolate cellulose nanofibers (CNF) from composite materials and measure their molecular weight distribution. 【Measurement Example: Cellulose Molecular Weight Distribution】 ■ Our unique pretreatment technology enables the preparation of stable solutions suitable for rapid dissolution and GPC measurement. ■ The presence or absence of cellulose degradation before and after molding of composite materials, as well as during recycling, can be evaluated from changes in molecular weight distribution. *For more details, please download the PDF or feel free to contact us.

• Contract Analysis

We conduct MFR (Melt Flow Rate) measurements of plastic materials. MFR is one of the indicators that represent the flowability of resin and is widely used as a management item for quality control and assurance. The amount of resin extruded from a die installed at the bottom of the cylinder, under specific temperature and load conditions, is measured over a period of 10 minutes with the resin melted inside the cylinder. We also accommodate MVR measurements, so please feel free to consult us. 【Measurement Conditions】 ■ Applicable Standards - JIS K7210-1 - ISO 1133 - ASTM D1895 ■ Maximum Measurement Temperature: 300℃ *For more details, please download the PDF or feel free to contact us.

• Contract measurement
• Other physical property measurements and component analysis

Our company conducts measurements of the embrittlement temperature of plastic materials. The specimen temperature ranges from room temperature to -70°C, and the equipment used is an embrittlement temperature testing machine. After exposing the specimen to a low-temperature liquid (heat transfer medium: ethanol) for a specified period, a predetermined impact is applied, and the embrittlement temperature (the temperature at which 50% of the specimens break) is calculated from the number of fractures. 【Measurement Conditions】 ■ Applicable Standards: JIS K7216 ■ Specimen Dimensions - Type A: Length 38.0±2.0mm, Width 6.0±0.4mm, Thickness 2.0±0.2mm - Type B: Length 20.0±2.0mm, Width 2.5±0.2mm, Thickness 1.6±0.1mm - ISO974: Length 20.0±2.0mm, Width 2.5±0.2mm, Thickness 1.6±0.1mm ■ Specimen Temperature: Room temperature to -70°C ■ Equipment: Embrittlement temperature testing machine / manufactured by Toyo Seiki Seisakusho *For more details, please download the PDF or feel free to contact us.

• Other physical property measurements and component analysis

We conduct Taber wear tests on plastic materials. The Taber wear test is a method for evaluating the wear resistance of material surfaces by measuring changes in mass and surface conditions (such as glossiness and haze) before and after the test to assess wear resistance. In addition to wear tests, we also provide a range of physical property tests, including tensile tests and bending tests, consistently from the molding of test specimens. 【Measurement Conditions】 ■ Applicable Standards: Reference JIS K7204 ■ Standard Test Specimen Shapes - A disc with a diameter of approximately 100mm - An octagonal plate with a thickness of 0.5 to 10mm, cut from a square with sides of approximately 100mm ■ Equipment: Taber wear testing machine / Toyo Seiki Seisakusho *For more details, please download the PDF or feel free to contact us.

• Contract Inspection
• Other physical property measurements and component analysis

We conduct friction coefficient measurements of plastic materials. The friction coefficient is defined as the ratio of frictional force to the vertical load (weight of the weight), and both the static friction coefficient (friction at the start of sliding) and the dynamic friction coefficient (friction during sliding motion) can be measured. In addition to measurements at room temperature, we also accommodate measurements at low and high temperatures. Friction coefficient measurements are sometimes used as an indicator to confirm the effects of additives (anti-blocking agents and slip agents) on the surface of films. 【Measurement Conditions】 ■ Applicable Standards: JIS K7125, ASTM D1894 ■ Measurement Temperature Range: -50 to 250℃ *For more details, please download the PDF or feel free to contact us.

• Contract measurement
• Other physical property measurements and component analysis

We conduct analysis of seasoning packaging containers. In addition to measuring oxygen permeability and water vapor permeability in film and sheet forms, we can also measure various shapes such as beverage bottles and food containers. Furthermore, while the oxygen permeability and water vapor permeability are significantly influenced by the composition and material structure of the container, we also perform analytical evaluations through cross-sectional observation (FE-SEM) and material analysis (FT-IR, Raman). 【Test Items】 ■ Water Vapor Permeability Measurement - Measurement Result (23°C 50% RH): 0.0054g/(pkg·day) ■ Oxygen Gas Permeability Measurement - Measurement Result (23°C 50% RH): 0.000044cm3/(pkg·day) *For more details, please download the PDF or feel free to contact us.

• Contract Analysis
• Other physical property measurements and component analysis

We measure the refractive index of plastic materials. The refractive index (the ratio of the sine of the angle of incidence α to the sine of the angle of refraction β at the interface when light travels from air into a substance) is a fundamental property that can be used for purity and composition testing, material identification, and the design of optical components. We can measure samples ranging from thin film samples to those up to 5mm thick, accommodating film processing. In addition to the refractive index, we also measure optical properties such as haze, color tone, glossiness, and transmittance. 【Measurement Conditions】 ■ Applicable Standards: JIS K7142 ■ Testing Environment: 23℃ ■ Sample Shape: Approximately 10mm × 20mm ■ Equipment: Abbe Refractometer 1T/Atago ■ Measurement Wavelength: D line approximation (approximately 589nm) *For more details, please download the PDF or feel free to contact us.

• Contract measurement
• Other physical property measurements and component analysis

We conduct color measurement of plastic materials. The color of the material can be expressed numerically in terms of L (lightness), a, b (chroma), YI (yellowness), W (whiteness), and the color difference (Δ) compared to a reference, and it is also possible to derive Munsell values based on the Munsell color system. In addition to hue, we also measure optical properties such as haze, glossiness, refractive index, and transmittance. 【Measurement Conditions】 ■ Applicable Standards - JIS Z8722, JIS Z8781-4, JIS Z8730, JISK7373 ASTME313, ASTM D1925 ■ Measurement Method: Reflection, Transmission ■ Measurement Apertures: 30mmφ, 10mmφ, 6mmφ ■ Measurement Shapes: Sheet, Pellet ■ Equipment: Color Difference Meter ZE6000, Nippon Denshoku Kogyo *For more details, please download the PDF or feel free to contact us.

• Contract measurement
• Other physical property measurements and component analysis

Our company conducts measurements of the glossiness of plastic materials. Glossiness, referred to as mirror glossiness in JIS Z8741, measures the degree of gloss (light reflection) and expresses it in numerical values. The higher the gloss, the larger the resulting value. In addition to glossiness, we can also measure optical properties such as haze, hue, refractive index, and transmittance. 【Measurement Conditions】 ■Applicable Standards: JIS Z8741 ■Standard Test Piece Shape: 15mm x 45mm or larger 　*If the sample is small, a spacer can be created to accommodate it. ■Equipment: Gloss Meter VG7000 / Nippon Denshoku Kogyo *For more details, please download the PDF or feel free to contact us.

• Contract measurement
• Other physical property measurements and component analysis

Our company conducts measurements of the volume resistivity and surface resistivity of plastic materials. Using a high resistivity meter and a low resistivity meter, we can measure in the range of 10^-2Ω to 10^18 orders. Additionally, for some measurement ranges, we can change the probes to accommodate small samples (approximately 10mm in diameter), large samples, and measurements of resistance in the thickness direction of materials. 【Measurement Conditions】 ■ Applicable Standards ・JIS K6911 ※Test environment: 23℃ 50% RH ・JIS K7194 ■ Measurement Range: 10^-2Ω to 10^18 orders ■ Sample Size: 100mm square x 1–2mm thick *For more details, please download the PDF or feel free to contact us.

• Contract measurement
• Other physical property measurements and component analysis

We conduct density measurements of plastic materials. Density is an important evaluation criterion for examining the physical properties and compositional differences of resin materials, and it is also effective for assessing the uniformity of samples or test pieces. In addition to density measurements using the water displacement method, we also accommodate bulk density measurements for pellets and powders. 【Features】 ■ Supports density measurement using the water displacement method ■ Also accommodates bulk density measurements for pellets and powders *For more details, please download the PDF or feel free to contact us.

• Contract measurement
• Other physical property measurements and component analysis

Our company conducts quantification (image analysis) of transmission electron microscope (TEM) images. By analyzing high-resolution TEM and scanning electron microscope (SEM) images, it is possible to quantify the dispersion state of micro-dispersed rubber domains within the resin. Additionally, we can understand how the dispersion state of rubber domains affects the mechanical properties of the resin. 【Features】 ■ By applying binary processing to TEM images, we extract rubber domains and create a histogram of domain diameter (evaluation parameter) based on this, allowing for the evaluation of domain diameter distribution. ■ Other evaluation parameters that can be obtained include the lengths of the major and minor axes of the domains, the number of domains, occupancy area, and area ratio. *For more details, please download the PDF or feel free to contact us.

• Contract Analysis
• Image analysis

Our company conducts observations of micro-dispersed rubber in styrene-based resins (HIPS, ABS) using transmission electron microscopy (TEM). We observe the salami structure of micro-dispersed rubber domains (butadiene rubber) in high-impact polystyrene (HIPS) and acrylonitrile-butadiene-styrene (ABS) resins. The differences in the salami structures of both are clearly distinguishable. Please feel free to contact us if you have any inquiries. [Overview] ■ Observation of the salami structure of micro-dispersed rubber domains (butadiene rubber) ■ Clear distinction of the differences in salami structures *For more details, please download the PDF or feel free to contact us.

• Contract Analysis

Our company conducts fine structure observation of styrene-based elastomers using Transmission Electron Microscopy (TEM). We observe the fine structure (microphase separation structure) in styrene-based thermoplastic elastomers such as Styrene-Ethylene/Butylene-Styrene block copolymers (SEBS) using TEM. Additionally, the dispersion state of styrene-based elastomers within composite materials can also be observed using our electron staining technology in TEM. 【Features】 ■ The dispersion state of styrene-based elastomers within composite materials can be observed using electron staining technology in TEM. *For more details, please download the PDF or feel free to contact us.

• Contract Analysis

We conduct dispersion structure analysis of block polypropylene using transmission electron microscopy (TEM). The EPR components inside the rubber domain and the lamellar crystals of PE can be clearly observed, as well as the lamellar crystals in the PP matrix. We can also observe composites that include not only block PP alone but also elastomers, other resins, and filler components such as cellulose nanofibers (CNF), so please feel free to contact us. ■ EPR components and lamellar crystals of PE inside the rubber domain can be confirmed ■ Lamellar crystals in the PP matrix can be clearly observed ■ Composites with added filler components can also be observed *For more details, please download the PDF or feel free to contact us.

• Contract Analysis

Our company conducts observations of the dispersed structures in plant-derived straw using a field emission scanning electron microscope (FE-SEM). We observe the dispersion of islands of plant fibers (cellulose) in a sea of natural plant-derived resin, with circular starch islands present at the interface. We examine the dispersion state of various plastic composite materials from low magnification (a few hundred times: relatively large aggregated structures) to high magnification (around 100,000 times: fine structures), depending on the purpose. [Features] ■ Observation of the dispersion state of various plastic composite materials from low to high magnification, according to the purpose. *For more details, please download the PDF or feel free to contact us.

• Contract Analysis

Our company conducts ultraviolet and visible spectroscopic analysis of plastic materials. The optical properties of resin (plastic) materials are important indicators for evaluating product transparency, aesthetics, and applicability to optical uses. Among these, "total light transmittance" is a representative measurement item for quantitatively assessing the degree of visible light transmission. By measuring total light transmittance using a spectrophotometer (UV-Vis spectrophotometer), we provide data to understand the optical performance of materials. ■ Measurement of total light transmittance using a spectrophotometer (UV-Vis spectrophotometer) ■ Providing data to understand the optical performance of materials *For more details, please download the PDF or feel free to contact us.

• Contract Analysis

Our company conducts odor analysis to investigate the causes of strange odors in resin materials. By measuring polypropylene (PP) pellets with an anise-like odor using HS-GC/MS and analyzing the odor components with the "Aroma Office" database, we can provide data aimed at identifying the cause of the strange odor. Additionally, starting from the odor impression (e.g., anise-like odor), we can perform reverse searches for multiple compounds recorded in the database and confirm their presence on the chromatogram. 【Features】 - Out of the 29 detected component peaks, 18 matched the odor library, with 6 components identified as substances derived from the anise-like odor. - We can also identify trace components buried among the main components (intensity ratio of approximately 1/100) without missing them. *For more details, please download the PDF or feel free to contact us.

• Contract measurement

Our company conducts various analyses and evaluations regarding recycled resin materials. When evaluating the recyclability of collected products, it is difficult to assess them as they are, but by crushing them, it becomes possible to create test specimens and evaluate various physical properties. Additionally, we can provide crushed materials from a wide range of sources, including engineering plastics with glass fibers, general-purpose resins, test specimens, sheets, and other shapes. 【Features】 ■ Capable of crushing hard materials with glass fibers to soft materials like thin films ■ We also support injection molding, press molding, and various physical property tests using the crushed materials *For more details, please download the PDF or feel free to contact us.

• Other analysis and evaluation services

Our company evaluates the recyclability of resin materials. It is also possible to assess changes in physical properties according to the number of recycling cycles, and we can handle everything from crushing the test specimens to molding and testing them consistently. Through various analyses and evaluations, we measure the characteristics and durability of recycled materials, supporting the consideration of environmentally friendly materials. 【Features】 ■ Crushing - Capable of crushing general-purpose resins, engineering plastics, and glass fiber-reinforced resins. We also have a track record with shapes such as films, sheets, and bottles in addition to test specimens. ■ Test specimen production - Test specimens can be produced in the form of dumbbells and sheets through injection molding. ■ Various physical property tests - Various physical property tests are possible, including tensile, compression, bending, and impact tests (Izod, Charpy). *For more details, please download the PDF or feel free to contact us.

• Other analysis and evaluation services

Our company also conducts contract analysis related to the quality confirmation of recycled resin materials. Recycled materials are prone to contamination by foreign substances such as metals and different resins, which can affect product quality. Therefore, reducing foreign substances is one of the major challenges. We are capable of various analyses and evaluations for recycled resins. Please feel free to contact us when needed. [Overview] ■ Remove the base resin from the collected foreign substances using mesh, and evaluate the condition of the foreign substances through visual observation. - Understand the general condition of foreign substances from their appearance. ■ Evaluation of foreign substances using press sheets. - Process the sheets to evaluate the number and size of foreign substances, and quantitatively compare the quality between samples. ■ Individual foreign substance analysis. - Analyze what the foreign substances are using FT-IR, elemental analysis, RAMAN spectroscopy, etc. *For more details, please download the PDF or feel free to contact us.

• Other analysis and evaluation services

In recycled materials containing fillers such as glass fibers, the fiber length distribution after recycling becomes an important factor. Our company is capable of analyzing the fiber length distribution of samples after recycling and grinding. We can also perform evaluations from grinding to analysis using our own grinding machines. Please feel free to contact us when you need our services. 【Features】 ■ Capture images of fibers using an optical microscope and detect each glass fiber through image analysis ■ Based on information on fiber length and quantity, distribution evaluation can be performed using histograms, etc. ■ Additionally, we can calculate the number average fiber length, length-weighted average fiber length, maximum fiber length, minimum fiber length, and more. *For more details, please download the PDF or feel free to contact us.

• Other analysis and evaluation services

Our company is capable of qualitative and quantitative analysis of 12 types of polymers in mixed resin materials. Without the need for complex separation processes or multiple analytical instruments, we can analyze the composition of various samples using thermal decomposition GC/MS methods. Please feel free to contact us when you need our services. 【Supported Samples】 ■ Recycled plastics (related to recycling) ■ Waste plastics (related to waste recycling) ■ Polymer blends (related to synthetic resins) ■ Microplastics (related to marine pollution) *For more details, please download the PDF or feel free to contact us.

• Other analysis and evaluation services

We conduct various analyses and evaluations regarding recycled resin materials. It is also possible to assess changes in physical properties according to the number of recycling cycles, and we can handle everything from grinding test specimens to molding and testing in a consistent manner. Through various analyses and evaluations, we measure the characteristics and durability of recycled materials and support the consideration of environmentally friendly materials. Additionally, we can analyze the fiber length distribution of samples after recycling and grinding, and we can perform evaluations using our own grinding machines. Moreover, we can qualitatively and quantitatively analyze 12 types of resins, including PE, PP, and PS, in recycled plastics. Since recycled plastics are prone to contamination with foreign materials such as metals and different resins, which can affect product quality, we also conduct foreign material evaluations using various methods. 【Items Handled】 ■ Evaluation of the recyclability of resin materials ■ Grinding treatment of various resin materials ■ Contamination and foreign material evaluation and inspection of recycled materials ■ Fiber length distribution evaluation of recycled materials ■ Composition analysis of mixed resin materials such as recycled plastics *For more details, please download the PDF or feel free to contact us.

• Contract measurement
• plastic
• Engineering Plastics

On our company website, we introduce examples of resin material observation using transmission electron microscopy (TEM) and scanning electron microscopy (SEM). In the TEM observation examples, we include observations of CNF in PE, the higher-order structure of cell walls in PE foams, and the lamellar structure near the surface of HDPE. Additionally, in the SEM observation examples, we present comparisons before and after weather resistance tests of ABS resin, as well as cross-sectional structural analysis of automotive bumper materials. Please take a look. [Content Included (Partial)] ■ TEM Observation Examples - Observation of CNF in PE - Higher-order structure of cell walls in PE foams - Observation of lamellar structure near the surface of HDPE - Morphology observation examples of HIPS/ABS systems - Morphology observation in PC/ABS system materials *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

Our company conducts "evaluation of glass fiber length distribution in resin" through morphological observation. We take photographs of glass fibers using an optical microscope and detect each glass fiber through image analysis. Based on the information of fiber length and quantity of the glass fibers, distribution evaluation can be performed using histograms and other methods. Additionally, we can calculate the number-average fiber length, length-weighted average fiber length, maximum fiber length, and minimum fiber length. 【Use Cases】 ■ Understand how changing the type of glass fiber affects the properties of glass fiber reinforced resin. ■ Understand how changing extrusion conditions and molding conditions affects the properties of glass fiber reinforced resin. *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

Our company website introduces "Film Layer Composition Analysis" through morphological observation. In the example of confirming layer composition using Scanning Electron Microscopy (SEM), it is explained with diagrams that a five-layer structure was identified from cross-sectional observation. Additionally, in the example of material determination using Fourier Transform Infrared Spectroscopy (FT-IR), it is explained with graphs that a three-type, five-layer structure was identified from IR analysis. 【Content Included】 ■ Examples of layer composition and material determination of food packaging materials and containers ■ Examples of confirming layer composition using Scanning Electron Microscopy (SEM) ■ Examples of material determination using Fourier Transform Infrared Spectroscopy (FT-IR) *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

On our company website, we introduce "film layer composition analysis" through morphological observation. In the example of layer composition confirmation using scanning electron microscopy (SEM), we explain with diagrams that it was determined to have a five-layer structure through cross-sectional observation. Additionally, in the example of material determination using Fourier-transform infrared spectroscopy (FT-IR), we explain with graphs that IR analysis revealed a three-type, five-layer composition. [Contents Included] ■ Examples of layer composition and material determination of food packaging materials and food containers ■ Examples of layer composition confirmation using scanning electron microscopy (SEM) ■ Examples of material determination using Fourier-transform infrared spectroscopy (FT-IR) *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

Our website introduces "Observation of Crystal Structure and Morphology of Polymer Alloys using Transmission Electron Microscopy (TEM)." To observe the crystal structure of polymers and the morphology of polymer alloys using TEM, it is necessary to prepare ultra-thin sections. Additionally, staining is required to create differences in electron beam transmission. We provide a table of main staining agents and resins that can be stained, as well as examples of observations, so please take a look. [Contents] ■ Main staining agents and resins that can be stained ■ Observation examples - Crystal structure of HDPE - Observation example of the dispersion structure of polymer alloys *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

On our company website, we introduce "Observation of CNF composite materials using Transmission Electron Microscopy (TEM)." By utilizing the techniques developed through the observation of polymer crystal structures and the morphology of polymer alloys, including the production of ultra-thin sections with staining, we have made it possible to observe CNF (cellulose nanofiber) incorporated into resins. We also include photographs of the dispersion state of CNF in PE and enlarged images. Please take a look. [Published Photos] ■Observation of CNF dispersion state in PE - PE/CNF dispersion state observation - PE/CNF enlarged photos *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

We conduct "observation of foams using Transmission Electron Microscopy (TEM)" as a form of morphological observation. By applying and enhancing the technology for producing ultra-thin sections, which we have developed through the observation of crystalline structures in polymers and the morphology of polymer alloys, it is possible to observe the crystalline structure within the cell walls of foams. Additionally, we have observation results for resins and composite materials other than PE, and by combining staining techniques, we can observe the dispersion state of the cell walls in polymer alloys. 【Features】 ■ Observation results available for resins and composite materials other than PE ■ The dispersion state of the cell walls in polymer alloys can be observed by combining staining techniques ■ Observation possible for soft material foams *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

We would like to introduce our observation of cellulose nanofibers (CNF) using transmission electron microscopy (TEM). Utilizing the know-how we have cultivated in observing resin materials with TEM, we conducted observations on commercially available cellulose nanofiber (CNF) samples. As a result, it was found that commercial CNF1 consists of several thin microfibrils bundled together, while commercial CNF2 consists of one or a few microfibrils bundled together. 【Structure】 ■ Commercial CNF1 - A CNF sample made up of several thin microfibrils, approximately a few nanometers in diameter, bundled together to form fibers about 100 nm wide. ■ Commercial CNF2 - A CNF sample consisting of a bundle of one microfibril or a few microfibrils. *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

We would like to introduce our observation of cellulose nanofibers (CNF) using transmission electron microscopy (TEM). Utilizing the know-how we have developed in observing resin materials with TEM, we examined the CNF in the ink solids of commercially available cellulose nanofiber ballpoint pens. We observed CNF with a width of approximately 10 nm that appeared to be entangled with ink pigments, and it was found that the ink contains CNF with varying degrees of fibrillation. [Observation Results] - CNF with a width of approximately 10 nm that appeared to be entangled with ink pigments was observed. - Submicron-width CNF was also observed. - Several thin microfibrils, around a few nanometers in diameter, bundle together to form fibers approximately 100 nm thick. - The ink contains CNF with varying degrees of fibrillation. *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

Our website introduces "Morphological Observation of Cellulose Nanofiber (CNF) Composites." We have included photos of "TEM Observation Examples of HDPE/CNF" and "SEM Observation Examples of HDPE/CNF." In TEM observation, the dispersion state of fine CNF and the lamellar crystals of the surrounding resin can be observed, while SEM observation allows for the observation of the dispersion state of relatively larger CNF. [Published Photos] ■ TEM Observation Examples of HDPE/CNF ■ SEM Observation Examples of HDPE/CNF *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

Our "Thermoplastic Resin Coloring" meets the coloring needs of all thermoplastic resins, from soft resins to super engineering plastics. We offer custom coloring tailored to your requests, ranging from colorless to transparent and colored options. Our coloring solutions comply with various regulations such as the Food Sanitation Act and self-regulatory standards from organizations like the Hygiene Council for polyolefins. We also accommodate not only numerical matching but also consider the appearance based on surface conditions (such as texture). 【Features】 ■ Meets the coloring needs of all thermoplastic resins ■ Custom coloring available according to your requests ■ Coloring solutions compliant with self-regulatory material selection *For more details, please refer to our catalog or feel free to contact us.

• Resin processing machine

We would like to introduce our study on "Morphological Observation of Cellulose Nanofiber (CNF) Composite Bioplastic Products." In the case of TEM observation of commercially available bioplastic tableware containing CNF, the dispersion state and internal structure (microfibrils) of CNF were clearly confirmed. Additionally, in the TEM observation of bioplastic straws, the straws in question contained cellulose fibers (microfibrillated cellulose) that were slightly wider than CNF within the PLA. [Observation Overview] ■ TEM observation of commercially available bioplastic tableware containing CNF ■ TEM observation of bioplastic straws *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

We would like to introduce a case study conducted by our company on "Observation of Impact-Resistant Resin Materials Using Transmission Electron Microscopy (TEM)." TEM observations were performed on the internal structure of block PP test specimens after Charpy impact testing, allowing us to understand the dispersion state of the rubber domains and the presence and amount of craze formation. From this observation, we inferred that this material generates crazes from the rubber domains, thereby increasing impact strength. 【Case Overview】 ■Observation Details - TEM observation of the internal structure of block PP test specimens after Charpy impact testing ■Results - It was inferred that crazes are generated from the rubber domains, increasing impact strength. *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

At Ronbic Co., Ltd., we provide support for identifying the causes of resin troubles. We offer services such as "foreign substance analysis" and "fracture analysis," and for foreign substance analysis, we respond quickly with advanced identification capabilities using sophisticated and diverse sampling techniques, along with extensive experience and reliable technology. In addition, for fracture analysis, our technicians, who possess rich knowledge and experience, conduct fracture surface analysis, molecular weight measurement, fluidity measurement, mechanical strength measurement, and comprehensive analysis of fracture causes from various angles. 【Features】 ■ Advanced and diverse sampling techniques ■ High identification capabilities based on extensive experience and reliable technology ■ Quick response ■ Analysis of fracture initiation points and modes through fracture surface observation ■ Comprehensive analysis of fracture causes from various angles *For more details, please refer to our catalog or feel free to contact us.

• Resin processing machine

We would like to introduce the "Cellulose Nanofiber (CNF) Observation" conducted by our company. Utilizing the expertise we have developed in scanning electron microscopy (SEM) and transmission electron microscopy (TEM) observation of resin materials, we observed commercially available cellulose nanofiber (CNF) samples. We were able to clearly view individual CNF microfibrils with thicknesses on the order of nanometers from the surface or cross-section. [Observation Details] ■ Scanning Electron Microscopy (SEM) Observation - More finely dispersed CNF ■ Transmission Electron Microscopy (TEM) Observation - Cross-sectional observation of finely dispersed CNF *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

At Ronbic Co., Ltd., we are engaged in the development and contract manufacturing of resin compounds. Leveraging our compounding foundation technology as part of the Mitsubishi Chemical Group, as well as our formulation design capabilities for color masterbatches and additive masterbatches, we quickly respond to all thermoplastic resin compounding needs. Please feel free to contact us when you need our services. 【Features】 ■ High technical capabilities ■ Quick response to all thermoplastic resin compounding needs *For more details, please refer to our catalog or feel free to contact us.

• Resin processing machine

We conduct "surface roughness observation using a laser microscope (LM)" as part of morphological observation. The objective lenses are x5, x10, x20, x50, and x100, with an observation field of 100 to 1000 micrometers. The output types are color images, monochrome images, and 3D images. We can perform measurement analysis of the surface roughness of molded products, sheets, and films, as well as measurements of surface shapes of appearance anomalies, contaminants, and scratches. 【Device Overview】 ■ Objective Lenses: x5, x10, x20, x50, x100 ■ Observation Field: 100 to 1000 micrometers *Varies by objective lens magnification ■ Output Types: Color images, monochrome images, 3D images *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

We conduct "surface roughness observation using a laser microscope (LM)" as morphological observation. The objective lenses are x5, x10, x20, x50, and x100, with an observation field of 100 to 1000 micrometers. The output types are color images, monochrome images, and three-dimensional (3D) images. We can perform measurement analysis of surface roughness of molded products, sheets, and films, as well as measurements of surface shapes of appearance anomalies, contaminants, and scratches. 【Device Overview】 ■ Objective lenses: x5, x10, x20, x50, x100 ■ Observation field: 100 to 1000 micrometers *Varies depending on the objective lens magnification ■ Output types: Color images, monochrome images, three-dimensional (3D) images *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

Our company conducts observations using "Scanning Probe Microscopy (SPM)" for morphological observation. We can observe surface shapes in 3D (three-dimensional) at the nanometer scale, and simultaneously observe the viscoelastic images of the surface. There are examples of observations and analyses such as the observation of polymer blend materials and the fine surface topography of various molded products and coated items. Please feel free to contact us when needed. 【Features】 ■ 3D (three-dimensional) observation of surface shapes at the nanometer scale ■ Simultaneous observation of surface viscoelastic images *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

On our company website, we introduce "Weather Resistance Testing and Degradation Analysis Examples" through physical property measurement and evaluation. The sample is ABS resin, and the weather resistance test was conducted using the Sunshine Weatherometer (SWOM), analyzing the situation where degradation progresses from the surface to the interior. Additionally, using TEM images (cross-sectional observation) before and after the SWOM test, it is explained that degradation of the butadiene rubber (domain) component in ABS was observed more prominently at the surface. [Contents Included] ■ TEM Images (Cross-sectional Observation) ■ Micro-Infrared Absorption Spectra (Measurements at Different Depths) *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

On our company website, we introduce "Weather Resistance Testing and Degradation Analysis Examples" through physical property measurement and evaluation. The sample is ABS resin, and the weather resistance test was conducted using a Sunshine Weather Meter (SWOM), analyzing the situation where degradation progresses from the surface to the interior. Additionally, using TEM images (cross-sectional observation) before and after the SWOM test, it is explained that degradation of the butadiene rubber (domain) component in ABS was observed more prominently at the surface. [Contents Included] ■ TEM Images (Cross-sectional Observation) ■ Microscopic Infrared Absorption Spectra (Measurements at Different Depths) *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis