Silicone adhesive and adhesive film

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...

Reexamination Certificate

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Details

C528S024000, C528S031000, C528S032000, C528S033000, C528S034000, C525S474000, C525S477000, C525S478000

Reexamination Certificate

active

10644976

ABSTRACT:
A silicone adhesive having (A) an organopolysiloxane partial condensate of (i) a diorganopolysiloxane end-capped with a hydroxyl radical and (ii) an organopolysiloxane copolymer having hydroxyl radicals and having R33SiO1/2units and SiO4/2units wherein R3is hydroxyl or a monovalent hydrocarbon radical, (B) a silane or siloxane compound having a silicon atom-bonded alkoxy radical and/or an epoxy radical, and (C) a crosslinking agent exhibits pressure-sensitive adhesion and permanent adhesion.

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