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    • 4. 发明授权
    • Methacrylated polyurethane copolymers with silicone segments containing alkoxysilyl groups
    • 具有含有烷氧基甲硅烷基的硅氧烷链段的甲基丙烯酸聚氨酯共聚物
    • US06750309B1
    • 2004-06-15
    • US10150628
    • 2002-05-17
    • Hsien-Kun ChuSteven T. Nakos
    • Hsien-Kun ChuSteven T. Nakos
    • C08G77458
    • C08J3/243C08G18/10C08G18/672C08G77/458C09J175/16C08G18/289C08G18/61
    • The present invention relates to the preparation of a new class of materials, namely, an acrylate terminated or end-capped urethane/urea copolymer containing silicone soft segments capable of dual cure via unsaturated groups and dialkoxyl silanol groups. This new class of material is a reaction product of a partially methacrylated end-capped urethane polymer containing hard segment blocks and an amino alkylene dialkoxy end-capped siloxane block polymer, containing soft-segments. The aminoalkylene dialkoxysilane end-capped siloxane segment of this copolymer can include siloxane diol segments of various molecular weights (e.g., 1,000 to 20,000) end-capped with various alkylaminoalkylene trimethoxy silanes. This copolymer is therefore capable of dual cure via these functional groups.
    • 本发明涉及新类材料的制备,即含有可通过不饱和基团和二烷氧基硅烷醇基团双重固化的硅氧烷软链段的丙烯酸酯封端或封端的氨基甲酸酯/尿素共聚物。 这种新型材料是含有硬链段和部分甲基丙烯酸酯封端的聚氨酯聚合物与含有软链段的氨基亚烷基二烷氧基封端硅氧烷嵌段聚合物的反应产物。 该共聚物的氨基亚烷基二烷氧基硅烷封端的硅氧烷链段可以包括用各种烷基氨基亚烷基三甲氧基硅烷封端的各种分子量(例如1,000至20,000)的硅氧烷二醇链段。 因此,该共聚物能够通过这些官能团双重固化。