ヤスハラケミカル List of Products and Services

Yasuhara Chemical handles "Terpene Resins / Chemical Products." We offer a diverse lineup including aromatic modified terpene resins, terpene phenolic resins, solvents, and fragrance raw materials. Please feel free to consult us when you need assistance. 【Terpene Resin Lineup】 ■ Polyterpene Resins ■ Aromatic Modified Terpene Resins ■ Terpene Phenolic Resins ■ Liquid Resins ■ Styrene Resins ■ Hydrogenated Terpene Phenolic Resins ■ Emulsified Resins * High softening point grade products 【Chemical Products】 ■ Fragrance Raw Materials ■ Solvents ■ Electronic Material Solvents ■ Vehicle for Pastes ■ Waxes * For more details, please refer to the PDF materials or feel free to contact us.

CLEARON is a hydrogenated terpene resin with low reaction inhibition during UV curing. When blended into adhesive formulations, it improves adhesion to olefins. It can be used in applications such as acrylic-based adhesives, synthetic rubber-based adhesives, olefin-based hot melt adhesives, and polymer modifiers. [Applications] - Acrylic-based adhesives - Synthetic rubber-based adhesives - Olefin-based hot melt adhesives - Polymer modifiers - Rubber modifiers - Inks - Coatings *For more details, please download the PDF or feel free to contact us.

We would like to introduce the terpene resin "YS Resin PX" handled by Yasuhara Chemical Co., Ltd. It is a representative terpene resin that is widely compatible with various elastomers and demonstrates good adhesive properties as a resin derived from renewable resources. Additionally, YS Resin PX1150N meets the standards for pharmaceutical additives and is registered with the FDA's DMF for medical adhesives. 【Features】 ■ Derived from renewable resources (renewable material) ■ Terpene monomer polymerized resin ■ Thermoplastic adhesive resin (tacky fire) ■ Bead form *For more details, please download the PDF or feel free to contact us.

"YS Resin TO" is an aromatic modified terpene resin with a wide compatibility range with various elastomers and polymers. When blended with EVA-based hot melt adhesives, synthetic rubber-based adhesives, and acrylic adhesives, it exhibits balanced adhesive properties. Additionally, it demonstrates modification effects such as moldability, vibration damping, and grip performance for various rubber products. 【Features】 ■ Bead form ■ High level of renewable resource usage ratio ■ YS Resin TO125 has a softening point of 125°C *For more details, please download the PDF or feel free to contact us.

"YS Polystar" is a terpene phenol resin co-polymerized from terpene monomers and phenol, which are biomass raw materials. In addition to the wide compatibility of terpene resins, by varying the degree of modification by grade, it can dissolve in a wide range of bases from low polarity to high polarity materials, exhibiting properties such as improved adhesion to difficult bonding surfaces like polyolefin resins. Furthermore, the high softening point grade demonstrates effectiveness in improving heat resistance and fixation as an additive for adhesives and sealants due to its high Tg, and also proves effective in enhancing vibration damping in various rubber molded products, as well as improving flowability and paintability in engineering plastics. [Features] - Thermoplastic adhesive resin (tacky fire) and additive for olefin modification - Capable of addressing high polarity and difficult adhesion with high softening point resin - Bead form *For more details, please download the PDF or feel free to contact us.

"YS Resin SX" is a 100% styrene adhesive resin (tackifier) that utilizes oligomer polymerization technology. It is effective for reinforcing side blocks of various synthetic rubber types and contributes to improving the heat resistance of synthetic rubber adhesives. Additionally, due to its high refractive index, it is also effective for modifying various optical polymers, contributing to the optical properties of high heat-resistant and high UV-resistant acrylic adhesives and modified silicone-based adhesives without compromising the performance of their base materials. 【Features】 ■ 100% styrene adhesive resin ■ Good compatibility with synthetic rubber-based (SIS, SBS, SEPS, SEBS) and acrylic-based adhesives ■ Bead form *For more details, please download the PDF or feel free to contact us.

This document includes information about "terpene resins," which are primarily made from turpentine oil obtained from pine trees and orange oil extracted from citrus peels. We introduce "adhesive resins," which can be categorized into natural resin types represented by terpene and rosin types, or synthetic resin types such as petroleum-based, coal-based, and phenolic resins. Additionally, the document includes diagrams illustrating the "structure of monoterpenes" and the "proposed structure of terpene resins." [Contents] ■ Terpenes and Terpene Resins - Classification of terpenes ■ Adhesive Resins - Types of YS resins - Calculation results of solubility parameter (SP) values (δ) for YS resins - Recommended applications for YS resins *For more details, please download the PDF or feel free to contact us.

This document discusses the application of our uniquely developed thermoplastic resin "Clearon" in polymer modifiers for Water White. It introduces the results of applying it to heat sealable PP films and the effects of adding this product to LLDPE films. Additionally, it includes tables showing the moisture permeability of LLDPE films, as well as the flowability and transparency of PP films. [Contents] - Improvement of low-temperature heat sealability of polyolefin films - Enhancement of gas barrier properties of polyolefin films - Improvement of transparency and moldability of polyolefin sheets - Improvement of tearability of polyolefin films - Addition of elongation and self-adhesiveness to polyolefin films *For more details, please download the PDF or feel free to contact us.

This document discusses the application of various "YS resins (terpene-based resins)" for improving the paintability of polyolefins. It introduces the "evaluation methods" used to melt-mix our product with polyolefins using a twin-screw extruder to create pellets, along with the equipment used and extrusion conditions under "melt-mixing conditions." The results of applying our product to improve the paintability of polyolefins are presented in a table. We encourage you to read it. [Contents (partial)] ■ Evaluation methods ■ Evaluation samples ■ Melt-mixing conditions ■ Sheet creation ■ Wetting tests *For more details, please download the PDF or feel free to contact us.

This document discusses the application of "YS Resin (terpene-based resin)" in the modification of PC polycarbonate. We present the results of our investigation into the effects of incorporating this product on the moldability improvement aimed at enhancing the formability of PC, as well as its impact on various physical properties. The document includes many easy-to-understand diagrams, making it a useful reference. We encourage you to read it. 【Contents (partial)】 ■ Evaluation methods ■ Evaluation samples ■ Melt mixing conditions ■ Preparation of test specimens ■ Flowability tests (spiral flow length moldability evaluation) ■ Mechanical property tests ■ Results *For more details, please download the PDF or feel free to contact us.

The document discusses the application of "YS Resin (terpene-based resin)" in the modification of polystyrene. It presents the results of an investigation into the effects of incorporating this product on the moldability improvement of HIPS (high-impact polystyrene) and its impact on various physical properties. The evaluation methods, evaluation samples, and melt mixing conditions are also included. 【Contents (partial)】 ■ Evaluation methods ■ Evaluation samples ■ Melt mixing conditions ■ Preparation of test specimens ■ Flowability tests (spiral flow length moldability evaluation) ■ Mechanical property tests ■ Results *For more details, please download the PDF or feel free to contact us.

This document discusses the application of "YS Resin (terpene-based resin)" in the modification of PPS, a super engineering plastic. It explains the results of moldability (flowability), tensile strength, flexural strength, flexural modulus, Izod impact strength, and heat deflection temperature when this product is blended. We present the results of our investigation into the modification effects on moldability and the impact on various physical properties when this product is blended, aimed at improving the moldability of PPS. 【Contents (partial)】 ■ Evaluation methods ■ Evaluation samples ■ Melt mixing conditions ■ Preparation of test specimens ■ Flowability tests (spiral flow length moldability evaluation) ■ Mechanical property tests *For more details, please download the PDF or feel free to contact us.

The document discusses the application of "YS Resin (terpene-based resin)" in the modification of PP/SEBS (80/20) alloy. It introduces flowability (600 kg/cm²), tensile strength, flexural strength, flexural modulus, Izod impact strength, and heat deflection temperature with diagrams. There is also a table evaluating the mechanical properties of PP/SEBS-based alloys, making it a user-friendly reference. We encourage you to read it. 【Contents (partial)】 ■ Evaluation methods ■ Evaluation samples ■ Melt mixing conditions ■ Preparation of test specimens ■ Flowability tests (spiral flow length moldability evaluation) ■ Mechanical property tests ■ Results *For more details, please download the PDF or feel free to contact us.

As a chemical manufacturer with a proven track record of handling a wide variety of raw materials, our company offers proposals that combine manufacturing technology specialized in resin compounds with polymer modification. We possess manufacturing technology capable of accommodating the mixing and pelletizing of High-Flow materials, allowing us to flexibly respond to a wide range of needs. Leveraging our long-standing formulation technology, we can accurately approach potential challenges, which is one of our strengths. 【Features】 ■ Manufacturing technology that meets various demands ■ Ability to address customer potential challenges utilizing years of formulation expertise ■ Capability for mixing and pelletizing High-Flow materials ■ Flexible customer support available *For more details, please refer to the materials. Feel free to contact us as well.

The "terpene resin and terpene derivatives" we offer can improve the fluidity of polymers and modify the surface of molded products by blending with various types of polymers. They are plant-derived adhesive resins/polymer modifiers that enhance dispersion in other polymer systems. By adding them to adhesives, paints, films, and coatings, it is possible to impart flexibility, tackiness, and adhesion. Our company possesses extensive know-how in the manufacturing of terpene resins and terpene derivatives, allowing us to respond to various needs such as molecular weight adjustment through reaction control and functional group modification. 【Features】 ■ Enhances the functionality of various rubbers and plastics ■ Uses plant-derived raw materials, contributing to reduced environmental impact ■ High compatibility with various elastomers and plastics ■ Versatile applications in adhesives, electronic components, automotive materials, and more *For more details, please refer to the materials. Feel free to contact us with any inquiries.

This document presents the results of an investigation into the changes in the SS curve when various "YS resins (terpene-based resins)" are blended with PP. As an evaluation method, the product was melt-mixed with PP using a twin-screw extruder to create pellets. These pellets were then injection molded into test specimens according to ASTM standards, and tensile tests were conducted. We are introducing figures of the SS curves for the clear resin composition, terpene phenol resin, and YS resin composition. Please take a look. 【Contents (partial)】 ■ Evaluation method ■ Evaluation samples ■ Melt mixing conditions ■ Creation of test specimens ■ Tensile tests ■ Results *For more details, please download the PDF or feel free to contact us.

This document discusses the application of "YS Resin (terpene-based resin)" to biodegradable plastics. We introduce the results of our investigation into the modification effects when this product is blended with polylactic acid-based plastics, as well as its impact on various physical properties. At the end of the document, we have included a table of the results of adding it to the biodegradable plastic LACEA, making it a convenient reference. We encourage you to read it. 【Contents】 ■ Evaluation methods ■ Evaluation samples ■ Melt mixing conditions ■ Preparation of test specimens ■ Physical property tests ■ Results *For more details, please download the PDF or feel free to contact us.

This document includes information on the application of terpene resins for vibration damping purposes. We introduce the temperature dependence, viscoelastic behavior, and compression set of EPDM blends. It also covers the rubber modification effects of terpene phenolic resins and the control of vibration damping properties due to differences in polarity. Please take a look. [Contents] ■ Vibration damping modification effects of terpene resins in EPDM blends ■ Vibration damping modification effects of terpene resins in IR blends *For more details, please download the PDF or feel free to contact us.

This document introduces examples of the use of terpene resins. It includes cases where they are blended with SBS, a synthetic rubber-based block polymer, and instances where they are used as compatibilizers for improving the impact resistance of various plastics. Additionally, it features "other application examples" related to the improvement of moldability through the modification of the fluidity of various plastics, as well as enhancements in adhesion and paintability through surface modification. [Contents] ■ Applications of terpene-based resins ■ Application Example 1 ■ Application Example 2 ■ Summary ■ Other Application Examples *For more details, please download the PDF or feel free to contact us.