发明名称 Polyurethane sealant compositions having high filler levels
摘要 In one aspect, this invention is a composition comprising a urethane prepolymer having isocyanate moieties; a catalytic amount of a compound which catalyzes the reaction of isocyanate moieties with water or an active hydrogen containing compound; and untreated calcium carbonate as filler. The composition of the invention can be used to bond a window into a structure especially for the automobile windshield installation with good adhesion strength and durability.
申请公布号 US9102854(B2) 申请公布日期 2015.08.11
申请号 US200812249030 申请日期 2008.10.10
申请人 DOW GLOBAL TECHNOLOGIES INC. 发明人 Zhu Huide D.;Saracsan Jeffrey W.;Billotto Frank V.;Frishcosy Michael
分类号 B32B17/10;B32B17/06;C08L75/04;C09J175/04;C08G18/12 主分类号 B32B17/10
代理机构 The Dobrusin Law Firm, P.C. 代理人 The Dobrusin Law Firm, P.C.
主权项 1. A composition comprising: (A) from about 40 parts to about 70 parts by weight of one or more urethane prepolymers having isocyanate moieties; (B) a catalytic amount of from about 0.15 parts by weight to about 2.0 parts by weight of one or mere compounds containing one or more tertiary amine groups; (C) from about 10 to about 35 parts by weight of carbon black; (D) from about 30 to about 40 parts by weight of untreated calcium carbonate;wherein the amounts are based on the total weight of the composition.
地址 Midland MI US