PUR-Grafted Modified Epoxy Resin E12

1、TECHNICAL DATA SHEET

The resin in its original unopened bags is stable for more than 1 year, stored in a dry place at temperature below 30°C. Avoid direct sunlight.

2、Epoxy Resin E12

Epoxy Resin E12 by Tech-power (Huangshan) is a BPA-type solid epoxy resin. It is mixed with liquid flowing agent. It provides fine chemical stability, strong adhesion, and excellent electric insulation. It is suitable for thermosetting powder-, anti-corrosion coatings.

3、Epoxy Resin E

Epoxy Resin E-12 is a MMW-solid Bisphenol-A type epoxy resin. This product appears as a light yellow, solid granular powder that has good electrostatic spraying performance, chemical resistance, and anti-corrosive properties.

E12 Grade Epoxy Resins Guide: Grades, Composition, and How to Optimize

Discover everything about e12 grade epoxy resins: composition, key specifications, and performance optimization in industrial applications. Learn how these high-performance materials enhance durability and efficiency across sectors.

Powder Coating E

Epoxy Resin E12 Powder Coating Epoxy Resin also called E12 grade Epoxy Resins based on Bisphenol-A with different molecular weights and viscosities suitable for general-purpose powder coatings, electric panel boards, automobile spares, bathroom fittings, decorative articles and fixtures.

Structure and properties evaluation of epoxy resin modified

The present work investigates the properties and structure of epoxy resin (EP) modified with polyurethane (PUR). This latter was prepared using polymeric diphenylmethane diisocyanate and polyethylene glycol (PEG 400) or polyoxypropylene diol with different molecular weights (POPD 1002 and POPD 2002).

Epoxy Resin E12

Epoxy Resin E12 information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.

TDS of Solid Epoxy Resin E12

Description: E12 is an unmodified standard solid epoxy resin, which is manufactured by unique taffy process (one stage process: make it directly by BPA and ECH).

DESCRIPTION: E12 IS AN UNMODIFIED STANDARD SOLID EPOXY RESIN, WHICH IS MANUFACTURED BY UNIQUE TAFFY PROCESS (ONE STAGE PROCESS: MAKE IT DIRECTLY BY BPA AND ECH).

Structure and properties evaluation of epoxy resin modified

In the field of modern materials science, epoxy resins are widely favored for their excellent chemical stability, mechanical strength, and electrical insulation properties. traditional epoxy resins also face challenges in practical applications, such as insufficient temperature resistance, high water absorption, and brittleness. To overcome these limitations, scientists have proposed an innovative method: graft modification. Among these, the graft modification of epoxy resin (E12) using polyphenylene sulfide (PPS) as the substrate has become a highly focused research direction. This article aims to explore the technical principles, experimental processes, performance improvements, and potential applications of PUR-grafted modified epoxy resin E12.

I. Technical Principles

Epoxy resin is a high-molecular-weight compound containing epoxy groups. It forms a stable three-dimensional network structure through curing reactions, endowing the material with excellent mechanical properties and chemical stability. the molecular chains of epoxy resins contain numerous polar groups, leading to issues such as high water absorption, moisture sensitivity, and poor thermal resistance. To address these problems, graft modification technology has emerged.

Graft modification involves introducing monomers with specific functions or special properties into the molecular chains of epoxy resins, combining them with the main chain through chemical reactions. This process improves the material’s thermal stability, mechanical properties, and environmental adaptability. In the case of PUR-grafted modification, polyphenylene sulfide (PPS)—known for its high melting point, good heat resistance, and mechanical strength—is selected as the substrate, serving as the grafting site.

II. Experimental Process

The experimental steps include the following key parts:

Preparation of Raw Materials: Synthesize PUR resin and ensure its good solubility and processability.
Preparation of Epoxy Resin Solution: Dissolve E12 epoxy resin in an appropriate solvent to form a uniform solution.
Initiation of Graft Polymerization: Add PUR resin to the epoxy resin solution, control reaction conditions (e.g., temperature, time, and use of catalysts), and initiate the graft polymerization reaction.
Post-Treatment: After completing the graft reaction, dry, cut, and test the samples to evaluate their performance.

III. Performance Improvements

Through PUR-grafted modification, the performance of E12 epoxy resin is significantly enhanced:

Improved Thermal Resistance: The modified E12 epoxy resin exhibits a higher melting point and better thermal stability, maintaining structural and performance integrity at elevated temperatures.
Reduced Water Absorption: Graft modification effectively reduces polar groups in the epoxy resin, lowering water absorption and enhancing material stability and durability.
Enhanced Mechanical Properties: The modification increases the hardness and tensile strength of the epoxy resin, improving wear resistance and impact resistance.

IV. Potential Applications

PUR-grafted modified E12 epoxy resin holds broad application potential in multiple fields due to its优异 performance:

Electronic Packaging Materials: Suitable for high-performance electronic packaging, providing better electrical characteristics and thermal stability.
Aerospace Materials: Used in structural components of aircraft and spacecraft, requiring high strength, temperature resistance, and corrosion resistance.
Automotive Industry: Applied to engine parts and transmission systems, demanding higher temperature resistance and wear resistance.
Biomedical Field: Can be used to manufacture biocompatible scaffold materials to promote tissue regeneration.

Through PUR-grafted modification, the performance of E12 epoxy resin has been significantly improved, particularly in terms of thermal resistance, mechanical properties, and environmental adaptability. This technology not only expands the application range of epoxy resins but also brings new development opportunities to related industries. In the future, with further technological advancements and refinement, PUR-grafted modified E12 epoxy resin is expected to demonstrate its unique advantages and application value in more fields.