一种高韧性的环氧粘棒胶及其制备方法

By introducing silane-modified polyurethane toughening agents and heavy calcium carbonate fillers, the problem of decreased hardness and mechanical properties during the toughening of epoxy adhesive rods was solved, achieving high adhesion, water-resistant adhesion, and rapid debonding, thereby improving the yield of silicon wafer cutting.

CN117343678BActive Publication Date: 2026-07-17CHENGDU GUIBAO SCI & TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHENGDU GUIBAO SCI & TECH
Filing Date
2023-10-31
Publication Date
2026-07-17

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Abstract

本发明涉及胶黏剂领域，具体涉及一种高韧性的环氧粘棒胶及其制备方法。环氧粘棒胶包括A组分和B组分；A组分包括原料：环氧树脂25‑75份、填料25‑60份、增韧剂0.1‑3份、防沉剂0.01‑2份、消泡剂0.01‑2份、吸水剂0.01‑0.5份；增韧剂为端硅烷封端的聚氨酯SPUR；B组分包括原料：聚硫醇20‑80份、促进剂1‑10份、偶联剂0.05‑2份、填料20‑70份、催化剂0.001‑0.1份、脱粘因子0.1‑3份、防沉剂0.01‑2份。本方案可以解决现有技术中如何在改进韧性的同时保证材料的硬度和力学性能的问题，以及提升粘接性和耐水粘接性与脱胶性能不兼容的问题，具有理想的应用推广前景。
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