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Polyurethane-modified organopolysiloxan compositions, process for preparing same and their application.
Polyurethane-modified organopolysiloxan compositions, process for preparing same and their application.
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机译:聚氨酯改性的有机聚硅氧烷化合物,其制备方法及其应用。
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摘要
Polyurethane is present as a solid phase in a liquid polyorganosiloxane, preferably being formed therein by mixing a polyhydroxy-containing material with the polysiloxane followed by addition of a polyisocyanate. If the polyorganosiloxane contains hydroxyl groups it can be chemically bonded to the polyurethane. The composition can be cured to solid plastic masses of superior properties by adding a curing agent for the polysiloxane.
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