发明名称 |
POLYURETHANE FOAM PREMIXES CONTAINING HALOGENATED OLEFIN BLOWING AGENTS AND FOAMS MADE FROM SAME |
摘要 |
The invention provides polyurethane and polyisocyanurate foams and methods for the preparation thereof. More particularly, the invention relates to closed-celled, polyurethane and polyisocyanurate foams and methods for their preparation. The foams are characterized by a fine uniform cell structure and little or no foam collapse. The foams are produced with a polyol premix composition which comprises a combination of a hydrohaloolefin blowing agent, a polyol, a silicone surfactant, and an-amine catalyst that preferably has a Fluoride Generation Value of not greater than about 1000 ppm. |
申请公布号 |
CA2836514(A1) |
申请公布日期 |
2012.12.13 |
申请号 |
CA20122836514 |
申请日期 |
2012.06.08 |
申请人 |
HONEYWELL INTERNATIONAL INC. |
发明人 |
WILLIAMS, DAVID J.;BOGDAN, MARY C.;GITTERE, CLIFFORD P.;POSS, ANDREW J. |
分类号 |
C08G18/16;C08G18/28;C08J9/06 |
主分类号 |
C08G18/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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