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    • 6. 发明授权
    • Curable composition
    • 可固化组合物
    • US07297743B2
    • 2007-11-20
    • US10475020
    • 2002-04-19
    • Yuka KanamoriJunji Takase
    • Yuka KanamoriJunji Takase
    • C08L71/02C08L101/00C08L21/00C08G65/32C08F299/02C09D171/00
    • C09K3/1018C08G65/336C08L71/02C09K2200/0625C08L2666/04
    • The object of the present invention is to significantly improve weather resistance over a long period of time of the cured product of the invention, while maintaining physical properties, such as tensile properties and rubber-like elasticity, at levels required of sealing compositions for use in general buildings.The curable composition of the invention is a curable composition which comprises a vinyl polymer having a reactive silicon containing group (a), such as a (meth) acrylic polymer having a reactive silicon containing group, a polyoxyalkylene polymer having a reactive silicon containing group (b), such as a polyoxypropylene having a reactive silicon containing group, and a plasticizer having an acrylic component (c), such as an acrylic polymer, and is reacted and crosslinked in the presence of moisture to provide a rubbery cured product.
    • 本发明的目的是在本发明的固化产物的长时间内显着改善耐候性,同时保持物理性能如拉伸性能和橡胶状弹性,其用量用于密封组合物所需的水平 一般建筑物。 本发明的固化性组合物是含有具有反应性硅的基团(a)的乙烯基聚合物的固化性组合物,例如具有反应性硅的基团的(甲基)丙烯酸系聚合物,具有反应性硅的基团的聚氧化烯聚合物( b),例如具有反应性硅的基团的聚氧丙烯和具有丙烯酸类成分(c)的增塑剂,例如丙烯酸类聚合物,并且在水分存在下反应和交联以提供橡胶状固化产物。