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SILICONE EXHIBITING HOT-MELT PROPERTIES, AND CURABLE HOT-MELT COMPOSITION
SILICONE EXHIBITING HOT-MELT PROPERTIES, AND CURABLE HOT-MELT COMPOSITION
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机译:硅具有热熔性能和可固化的热熔组成
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摘要
A hot melt silicone that is non-flowable at 25°C and that has a melt viscosity at 100°C of 5,000 Pa·s or less, the hot melt silicone being formed by subjecting (A) an alkenyl group-containing organopolysiloxane in which 10 mol% or greater of all of silicon atom-bonded organic groups is a phenyl group, and (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule to hydrosilylation reaction in the presence of (C) a hydrosilylation reaction catalyst; and a curable hot melt composition comprising: (I) the hot melt silicone; (II) an organopolysiloxane which has at least two silicon atom-bonded hydrogen atoms in a molecule and in which the amount of silicon atom-bonded hydrogen atom is 0.5 mass% or greater; and (III) a hydrosilylation reaction catalyst. The hot melt silicone is non-flowable at 25°C, has a low surface stickiness, and easily melts by heating. Furthermore, this curable hot melt composition has both hot melt properties and curability.
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