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 |