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公开(公告)号：US3888803A
公开(公告)日：1975-06-10
申请号：US43046074
申请日：1974-01-04
Applicant: PPG INDUSTRIES INC
Inventor： DOERGE HERMAN P , SLATER CHARLES G , SEINER JEROME A
CPC classification number: C08G18/3271
Abstract: This invention relates to polyurethane foams capable of high temperature service with relatively low thermal expansion or degradation. These polyurethane foams are prepared using an aminic polyol. The polyurethane foams are blown with a controlled amount of water and fluorohalocarbons.
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