A heat-resistant epoxy resin and a method for preparing the same

By introducing branched polysiloxane structures and hollow porous modified fillers into epoxy resin, the problems of insufficient heat resistance and toughness of epoxy resin were solved, and the overall performance of the material was improved.

CN120137357BActive Publication Date: 2026-06-09GUANGZHO ADDENDA CHEM CORP LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUANGZHO ADDENDA CHEM CORP LTD
Filing Date
2025-03-19
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing epoxy resins lack sufficient heat resistance and toughness. Commonly used modification methods often lead to increased brittleness or sacrifice of heat resistance, failing to meet the ever-increasing market demands.

Method used

By adding multifunctional additives with branched polysiloxane structures and modified fillers with reaction sites and special hollow porous structures, the heat resistance and toughness of epoxy resins can be improved, and interfacial compatibility problems can be avoided.

Benefits of technology

It improves the heat resistance and toughness of epoxy resin, avoids the increase in brittleness of the modified material, and meets the market's demand for comprehensive performance.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The present application relates to the technical field of epoxy resin, in particular to a kind of heat-resistant epoxy resin and preparation method thereof, it includes component A and component B, wherein, component A includes the following weight parts raw materials: bisphenol A epoxy resin 35-40 parts, multi-functional auxiliary agent 5-8 parts, leveling agent 0.5-0.8 parts, defoaming agent 0.8-1 part and benzyl alcohol 4-6 parts;Component B includes the following weight parts raw materials: polyether amine 8-10 parts, modified filler 2.5-3.5 parts and benzyl alcohol 1.5-2 parts, by adding multi-functional auxiliary agent with branched polysiloxane structure and containing a large number of epoxy groups, while introducing modified filler with reaction site and special hollow porous structure, so as to solve the problem of insufficient heat resistance and toughness of existing epoxy resin.
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