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    • 12. 发明授权
    • Primer composition
    • 主要成分
    • US5109057A
    • 1992-04-28
    • US550674
    • 1990-07-10
    • Shingo TsunoMasahiro Ito
    • Shingo TsunoMasahiro Ito
    • C09D5/00C08G18/80C09J5/02C09J11/06C09J175/04C09J201/00
    • C08G18/809C08G18/8012C09J5/02
    • Primer composition comprising a silane coupling agent, an alkoxysilylated NCO-containing urethane prepolymer which is prepared by reacting a polyisocyanate with a diol to give an NCO-containing urethane prepolymer, and reacting the resulting NCO-containing urethane prepolymer with a trialkoxysilane having a functional group active to NCO group wherein a part of whole of the remaining NCO groups of the high molecular weight polyisocyanate are reacted with the silane. Said primer composition has excellent plasticizer resistance, solvent resistance and film-forming properties and further improved adhesin properties to glass, metals, ceramics, and is useful as a primer for various adhesives, particularly for applying to glass, metals, and ceramics.
    • 含有硅烷偶联剂,烷氧基甲硅烷基化NCO的氨基甲酸酯预聚物的底漆组合物,其通过使多异氰酸酯与二醇反应得到含有NCO的氨基甲酸酯预聚物,使得到的含有NCO的氨基甲酸酯预聚物与具有官能团的三烷氧基硅烷 活性至NCO基团,其中高分子量多异氰酸酯的剩余NCO基团的全部的一部分与硅烷反应。 所述底漆组合物具有优异的耐增塑剂性,耐溶剂性和成膜性,并且进一步提高了对玻璃,金属,陶瓷的粘合剂性能,并且可用作各种粘合剂的底漆,特别适用于玻璃,金属和陶瓷。