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Initiator Product List and Ranking from 8 Manufacturers, Suppliers and Companies | IPROS GMS

Last Updated： Aggregation Period:May 27, 2026～Jun 23, 2026
This ranking is based on the number of page views on our site.

Initiator Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:May 27, 2026～Jun 23, 2026
This ranking is based on the number of page views on our site.

  1. TRONLY 本社 Tokyo//Resin/Plastic
  2. クレハトレーディング Tokyo//Other manufacturing
  3. 大塚化学 Tokyo//Chemical
  4. 4 日本化学工業所 Wakayama//Chemical
  5. 5 TECHNICAL INFOMATION INSTITUTE CO.,LTD Tokyo//Service Industry
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Initiator Product ranking

Last Updated： Aggregation Period:May 27, 2026～Jun 23, 2026
This ranking is based on the number of page views on our site.

  1. Stable procurement and cost reduction of electronic materials such as oxime esters and HABI! TRONLY 本社
  2. Light Coalescence Initiator Light Absorption Wavelength Table クレハトレーディング
  3. Overlapping Initiator "OT AZO/MAIB" 大塚化学
  4. 4 Light radical polymerization initiator "DOUBLECURE 184" クレハトレーディング
  5. 5 TRONLY Corporation Company Profile TRONLY 本社

Initiator Product List

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[Book] Coalescing Agent, Curing Agent, Crosslinking Agent (No. 2103BOD)

[Book] Coalescing Agent, Curing Agent, Crosslinking Agent (No. 2103BOD)

【Technical Specialty Books】★ Improvement of weather resistance, water resistance, and solvent resistance, which are weaknesses of water-based resins! Compliance with VOC regulations!

Book Title: Choosing and Using Coalescing Agents, Curing Agents, and Crosslinking Agents, and Their Examples ーーーーーーーーーーーーーーーーーーーーーーーー ★ Complete curing of areas not exposed to UV light, uniform curing of surfaces and interiors, selection of initiators suitable for LED-UV! ーーーーーーーーーーーーーーーーーーーーーーーー ■ Key Points of This Book - Precise control of polymer structure and molecular weight - Introduction of functional groups to polymer ends, synthesis of crosslinkable polymers - Uniform curing technology for thick films and shadowed areas using UV irradiation - Reduction of oxygen inhibition and curing inhibition by bases and water in UV curing - Selection and usage of photoinitiators and sensitizers for UV-LED curing - Improvement of flexibility and elongation for films and coatings that conform to curved surfaces - High heat resistance, low dielectric constant, and low dielectric loss of epoxy resins for 5G applications - Improvement of workability by balancing long pot life and fast curing - Enhancement of stretchability and toughness through the formation of a supramolecular network structure with freely movable crosslinking points - Analysis of curing reactions and crosslinking states, and their real-time measurement

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Overlapping Initiator "AZO Series"

Overlapping Initiator "AZO Series"

We handle azo-based polymerization initiators and offer a range of products to meet various needs.

The technology of polymer chemistry greatly contributes to the fields of fibers, rubber, resins, paints, and adhesives. Supporting this technology from below is catalytic chemistry. Our company sells azo-based polymerization initiators and offers a range of products that can meet various needs. 【Classification of azo-based polymerization initiators by polymerization temperature】 ■ Low-temperature polymerization - ADVN ■ Medium-temperature polymerization - AIBN, AMBN ■ Water-soluble type - ACVA *For more details, please refer to the PDF document or feel free to contact us.

  • Other polymer materials
  • Composite Materials
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Overlapping Initiator "OT AZO/MAIB"

Overlapping Initiator "OT AZO/MAIB"

A non-cyanide type polymerization initiator that considers safety, is oil-soluble, and can be widely used in a medium temperature range.

Our company has provided various azo-based polymerization initiators, and now we offer a new non-cyanide type that also ensures safety. The azo-based polymerization initiators "OT AZO-15" and "MAIB" are non-cyanide types that prioritize safety and are oil-soluble, making them suitable for a wide range of applications at medium temperature ranges. Additionally, "OT AZO-15" is not classified as a hazardous substance under the Fire Service Act. 【Properties】 <OT AZO-15> ■ Molecular weight: 354.4 ■ Melting point (°C): 106–110 ■ Decomposition point (°C): 106–110 ■ Temperature for 10-hour half-life (°C): 61 ■ Activation energy (kcal/mol): 30 *For more details, please refer to the PDF document or feel free to contact us.

  • Other polymer materials
  • Composite Materials
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TRONLY Corporation Company Profile

TRONLY Corporation Company Profile

Leave the import and export, as well as domestic sales of electrical materials, chemicals, and health-related raw materials to us!

TRONLY Corporation is engaged in the import and export, as well as domestic sales, of electrical materials, chemicals, and health-related raw materials. In the "Electronic Materials" sector, we have extensive experience and knowledge in photopolymerization initiators, focusing particularly on the sales of photopolymerization initiators and sensitizers for color filters and dry films (DFR), as well as related auxiliary agents and additives. In the "Fine Chemicals" field, we promote the import and domestic sales of raw materials and intermediates for fine chemicals and pharmaceuticals. In "Business Development," we engage in sales mediation and consulting for equipment and devices (such as electronic devices), as well as processing and sales of parts made from resins, plastics, and metals (such as magnesium). [Main Business Activities] ■ Import and export, as well as domestic sales, of electrical materials, chemicals, and health-related raw materials. *For more details, please refer to the PDF document or feel free to contact us.

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Light Coalescence Initiator Light Absorption Wavelength Table

Light Coalescence Initiator Light Absorption Wavelength Table

The absorption wavelength of the photopolymerization initiator (from long wavelength to short wavelength) is clear at a glance!

At Double Bond Chemical (DBC), we offer a variety of photopolymerization initiators. As a guideline for selecting which grade to choose, we have included a list of the wavelengths of light absorbed by each initiator in our catalog. We hope you find it useful. If you have any questions about the catalog or anything else, please feel free to contact the Bond Material Department at Kureha Trading Co., Ltd. at any time. [Featured Products] ■DC 173 ■DC 184 ■DC 1819 ■DC DETX ■DC EMK ■DC TPO *For more details, please refer to the PDF materials or feel free to contact us.

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Light-curing initiator "DOUBLECURE 184"

Light-curing initiator "DOUBLECURE 184"

Soluble in acetone, toluene, methyl acrylate, etc.! High curing properties and storage stability.

"DOUBLECURE 184 (DC184)" is a molecular cleavage type, α-hydroxyalkylphenone non-yellowing type photopolymerization initiator (UV photosensitizer). It appears as a crystalline powder ranging from white to off-white and is soluble in acetone, toluene, methyl acrylate, ethyl acetate, ethanol, and others. The chemical name is "1-hydroxycyclohexylphenyl ketone," with a melting point of 46-50°C. The packaging size is 20kg. 【Basic Information】 ■ Chemical Name: 1-Hydroxycyclohexylphenyl ketone ■ CAS: 947-19-3 ■ Appearance: Crystalline powder from white to off-white ■ Melting Point: 46-50°C ■ Solubility: Acetone, toluene, methyl acrylate, ethyl acetate, ethanol, etc. ■ Packaging Size: 20kg *For more details, please refer to the PDF document or feel free to contact us.

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Light-curing agent "Nikkacure"

Light-curing agent "Nikkacure"

Among oxime ester initiators, there is less decomposition caused by contact with metals!

"Nikkacure" is a photopolymerization initiator known as one of the important components for curing photosensitive resins. Our company handles photoradical polymerization initiators that generate radicals by irradiating ultraviolet light, leading to a chain reaction that forms a cured film. It has absorption in the long wavelength range and high sensitivity, making it excellent for deep curing. Additionally, it features low deactivation due to oxygen inhibition among oxime ester initiators. [Features] ■ High sensitivity oxime ester type ■ Resistant to oxygen inhibition ■ Strong metal resistance *For more details, please download the PDF or feel free to contact us.

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[Book] Radical Polymerization (No. 2040BOD)

[Book] Radical Polymerization (No. 2040BOD)

【Technical Specialty Book】★Mechanisms of Polymerization / Choosing Methods and Setting Conditions for Polymerization such as Monomers and Additives, Emulsion, Suspension, Bulk, and Gas Phase.

Book Title: Synthesis, Applications, and Troubleshooting of Polymers, Particles, and Coatings Centered on Radical Polymerization --- ■ Key Points of This Book ★ Types and Approaches of Radical Polymerization Emulsion polymerization, suspension polymerization, bulk polymerization, dispersion polymerization, gas-phase polymerization, phase separation emulsion method, phase inversion emulsion method, mini-emulsion polymerization, soap-free emulsion polymerization, and others. ★ Types and Uses of Various Additives Emulsifiers for emulsion polymerization, reactive surfactants, biodegradable surfactants, suspension stabilizers, polymerization inhibitors, photopolymerization initiators, acid-base generating agents, and others. ★ Various Applications and Their Latest Examples Water-soluble polymers, biodegradable polymers, microcapsules, core-shell materials, (water-based) paints, adhesives, UV-curable materials, DDS (Drug Delivery Systems), and others. ★ Manufacturing, Evaluation, and Troubleshooting Polymerization rate, testing and evaluation of effective material properties, combination of radical polymerization and grafting, [Case Study] Decomposition and fire accidents in the use of polymerization initiators - their causes and countermeasures, and others.

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Iodine Compound Business Iodine-based Polymerization Initiators

Iodine Compound Business Iodine-based Polymerization Initiators

Iodine-based polymerization initiators with various functions that enable the manufacturing of structurally controlled polymers.

Our iodine compound business is equipped to meet customer demands through the stable and efficient manufacturing of high-quality inorganic iodine compounds. Additionally, we can provide tailored solutions ranging from contract manufacturing of organic iodine compounds, which are expected to see increased demand, to proposal-based manufacturing. A development example is the "iodine-based polymerization initiator," which excels as an initiator in living radical polymerization (LRP), possesses various functions, and enables the production of structurally controlled polymers. [Features (Iodine-based Polymerization Initiator)] - Excellent as an initiator in living radical polymerization (LRP) - Possesses various functions - Enables the production of structurally controlled polymers *For more details, please refer to the PDF document or feel free to contact us.

  • Fine chemicals (compounds, derivatives, catalysts, etc.)
  • Resource Recycling System
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CPI-310FG、TA-100FG、VC-1FG、IK-1FG

CPI-310FG、TA-100FG、VC-1FG、IK-1FG

Light cationic polymerization initiators that enhance heat resistance and transparency (CPI-310FG, TA-100FG, VC-1FG, and IK-1FG) *PFAS-free

The FG anion produced by Sunapro's unique technology enables the achievement of both heat-resistant transparency and high solubility, which could not be accomplished with conventional light cationic polymerization initiators and thermal cationic polymerization initiators. Additionally, it is free of PFAS.

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Light radical polymerization initiator "DOUBLECURE 184"

Light radical polymerization initiator "DOUBLECURE 184"

Manufacturing in two locations: China and Taiwan! Intramolecular cleavage type, α-hydroxyalkylphenone, non-yellowing type.

"DOUBLECURE 184" is a photoradical polymerization initiator (UV photosensitizer) with high curing performance and storage stability. It is manufactured at two locations in China and Taiwan. Free samples are available upon request. Pricing is negotiable. It is a photoradical polymerization, intramolecular cleavage type, non-yellowing α-hydroxyalkylphenone. The recommended formulation amount is 0.5 to 5% w/w, and it can be used in UV coatings, UV adhesives, photoresist dry films, and clear coatings for paper, flooring materials, metals, plastics, and wood. 【Features】 ■ Photoradical polymerization, intramolecular cleavage type, non-yellowing α-hydroxyalkylphenone ■ High curing performance and storage stability ■ Recommended formulation amount: 0.5 to 5% w/w *For more details, please refer to the related links or feel free to contact us.

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Light radical polymerization initiator "DC TPO (high reactivity MAPO)"

Light radical polymerization initiator "DC TPO (high reactivity MAPO)"

Sample can be provided free of charge. We are open to price negotiations.

"DC TPO" is a photoradical polymerization initiator effective for both acrylic resin and unsaturated polyester systems. It is a monoacylphosphine oxide that possesses excellent deep curing properties. It features a main absorption band of 360-400nm and excellent deep curing performance. Additionally, we can introduce other grades similar to TPO. Please contact us if you are interested. 【Specifications (partial)】 ■ Molecular weight: 348 ■ CAS: 75980-60-8 ■ Systematic name: Diphenyl 2,4,6-trimethylbenzoylphosphine oxide ■ Other name: DCTPO *For more details, please refer to the PDF document or feel free to contact us.

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Stable procurement and cost reduction of electronic materials such as oxime esters and HABI!

Stable procurement and cost reduction of electronic materials such as oxime esters and HABI!

World-class supply capacity. As the Japanese representative of a publicly listed manufacturer in China, we deliver high-quality advanced materials with overwhelming cost competitiveness and speed!

Are you facing challenges with "price, supply, and technical support" in the procurement of electronic materials? TRONLY (Strong New Materials) is a global leading company in light-curable materials based in Changzhou, China. We will solve your challenges with a manufacturer-specific system. ■ Three unique advantages of our company ◎ Cost Reduction We provide light initiators and monomers with a world market share at "manufacturer standard prices." This allows us to offer competitive proposals by keeping intermediate costs low. ◎ Technology and Joint Development We directly utilize our headquarters lab, which has a research team of about 300 people. We respond flexibly, from improving existing products to customizing next-generation materials. ◎ Stable Supply With our large-scale plant, we promise long-term stable supply even in an unstable market environment. We respond with the trust and track record of a publicly listed company in China. 【Examples of Products Handled】 For PCB and LCD: Oxim ester, HABI, sensitizers, triazine For Semiconductors: Raw materials for photoresists, PSPI, plating materials Others: Cald resin (fluorine-based), functional monomers and polymers *Please feel free to contact us for detailed materials or sample requests.

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Light radical polymerization initiator "DC TPO (high reactivity MAPO)"

Light radical polymerization initiator "DC TPO (high reactivity MAPO)"

Sample available for free. Price negotiations are welcome.

"DC TPO" is a photoradical polymerization initiator effective for both acrylic resin and unsaturated polyester systems. It is a monoacylphosphine oxide with excellent deep curing properties. It features a main absorption band of 360-400 nm and outstanding deep curing capabilities. Additionally, we can introduce other grades similar to TPO. Please contact us if you are interested. 【Specifications (partial)】 ■ Molecular weight: 348 ■ CAS: 75980-60-8 ■ Systematic name: Diphenyl 2,4,6-trimethylbenzoylphosphine oxide ■ Other name: DCTPO *For more details, please refer to the PDF document or feel free to contact us.

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[Research Material] Global Market for Photoinitiators

[Research Material] Global Market for Photoinitiators

World Market for Photoinitiators: Free Radical Photoinitiators, Cationic Photoinitiators, Coatings, Inks, Adhesives, Others

This research report (Global Photoinitiator Market) investigates and analyzes the current state of the global photoinitiator market and its outlook for the next five years. It includes information on the overview of the global photoinitiator market, trends of major companies (sales, selling prices, market share), market size by segment, market size by major regions, and distribution channel analysis. The segments by type in the photoinitiator market focus on free radical photoinitiators and cationic photoinitiators, while the segments by application cover paints, inks, adhesives, and others. The regional segments calculate the market size of photoinitiators by dividing them into North America, the United States, Europe, Asia-Pacific, Japan, China, India, South Korea, Southeast Asia, South America, the Middle East, and Africa. It also includes the market share of major companies in the photoinitiator market, product and business overviews, and sales performance.

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Green photosensitive materials business

Green photosensitive materials business

We offer a wide variety of free radical general light initiators and low-odor light radical initiators!

TRONLY Corporation is engaged in the green photosensitive materials business. Our company has been working for many years on the development of a new type of free radical photoinitiator, "TR-NPI-20400," which is non-reproductive toxic, low-odor, low-mobility, highly soluble, and heat-resistant (below 200°C). It demonstrates excellent performance in UV-curable inks and coatings and can be used under 395nm LEDs and mercury lamps. 【Products (partial list)】 ■ General free radical photoinitiators ■ Low-odor photoradical initiators ■ Photocationic initiators ■ Thermal cationic initiators ■ Oxetane *For more details, please refer to the PDF document or feel free to contact us.

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Recruiting production bases and joint development partners for electronic materials in China.

Recruiting production bases and joint development partners for electronic materials in China.

We will leverage the production capacity of our six bases in China and our strong research and development capabilities to achieve stable supply and new product development while minimizing overseas expansion risks.

Are you feeling anxious or facing challenges in securing overseas production bases and establishing development and manufacturing systems in China? TRONLY, as the Japanese subsidiary of Changzhou Strong Electronic New Materials Co., Ltd. in China, offers options that mitigate the risks of overseas expansion. 【Strong Research and Development Capability】 591 patent applications and over 300 new chemical substances. With strengths in precise synthesis technologies such as hydrogenation and esterification, we support a wide range of material development including photoinitiators, resins, and catalysts. 【Stable Production System in China】 We have six bases in China, including three production plants in Changzhou. With ample manufacturing capacity, we can flexibly respond to local production, contract manufacturing, and supply chain strengthening. 【Support for Collaboration and Joint Development】 We place importance on joint development and collaboration with Japanese companies. We build problem-solving partnerships in the fields of electronic materials, display devices, and semiconductors. *For more details, please view the PDF materials by clicking "Download Catalog" or feel free to contact us.

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Light radical polymerization initiator "DOUBLECURE 184"

Light radical polymerization initiator "DOUBLECURE 184"

Manufactured in two locations, China and Taiwan! Intramolecular cleavage type, α-hydroxyalkylphenone, non-yellowing type.

"DOBLECURE 184" is a light radical polymerization initiator (UV photosensitizer) with high curing performance and storage stability. It is manufactured at two locations in China and Taiwan. Free samples are available upon request. Price negotiations are welcome. It is a light radical polymerization, intramolecular cleavage type, α-hydroxyalkylphenone non-yellowing type. The recommended formulation amount is 0.5 to 5% w/w, and it can be used in UV coatings, UV adhesives, photoresist dry films, and clear coatings for paper, flooring materials, metals, plastics, and wood. 【Features】 ■ Light radical polymerization, intramolecular cleavage type, α-hydroxyalkylphenone non-yellowing type ■ High curing performance and storage stability ■ Recommended formulation amount: 0.5 to 5% w/w *For more details, please refer to the related links or feel free to contact us.

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Light Polymerization Initiator for Inkjet Printing - Light Absorption Wavelength Table

Light Polymerization Initiator for Inkjet Printing - Light Absorption Wavelength Table

Support for the selection of photopolymerization initiators in inkjet printing.

In the inkjet printing industry, the curing speed and quality of ink are crucial. Especially when using high-speed printing or special inks, the selection of the appropriate photoinitiator significantly affects the finish of the printed materials. Incorrect selection of photoinitiators can lead to poor ink curing and a decline in quality. Our photoinitiator light absorption wavelength chart allows for a comprehensive overview of the absorption wavelengths of various photoinitiators, supporting the selection of the optimal initiator. 【Application Scenarios】 - Inkjet printer manufacturers - Printing companies - Companies using UV-curable inks 【Benefits of Implementation】 - Improved print quality through optimal selection of photoinitiators - Optimization of ink curing time - Cost reduction

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