发明公开
EP0337478A2 Concrete joint sealant having improved adhesion 失效
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Concrete joint sealant having improved adhesion
摘要:
A silicone sealant composition which bonds to dolomite containing concrete after exposure to moisture is obtained by adding a silicone fluid having greater than 2 mole percent epoxy functionality to a sealant of the type containing a hydroxyl endblocked polydiorganosiloxane, acetamidosilane chain extender and cross linking agent selected from the group consisting of triacetamidosilane and aminoxysilicon compound.
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