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SUBSTITUTED AMINOSILANE HAVING HYDROXY GROUP AND SILANE-MODIFIED POLYURETHANE PREPOLYMER PREPARED USING SAME
SUBSTITUTED AMINOSILANE HAVING HYDROXY GROUP AND SILANE-MODIFIED POLYURETHANE PREPOLYMER PREPARED USING SAME
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机译:具有相同羟基的取代的氨基硅烷和用相同的方法制备的硅烷改性的聚氨酯预聚物
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摘要
A silane-modified polyurethane prepolymer which is prepared by reacting an isocyanate-terminated polyurethane prepolymer with an end-capping agent comprising an substituted aminosilane having a hydroxy group or a mixture thereof with two or more hydroxyl substituted aminosilanes, has an improved viscosity, superior hardness, and enhanced durability. Accordingly the silane-modified polyurethane prepolymer is useful for preparing a polyurethane for sealing, coating, or bonding materials.
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