Posz & Bethards, PLC
Process for molding an integral skin foam
A semi-rigid integral skin foam having a low foamed integral skin layer and a highly foamed core is molded from a polyurethane formulation injected into a mold cavity having a reduced pressure of 400 Torr or below. The formulation comprises a polyol component, an isocyanate component, and at least one substance selected from among formic acid, an amine salt thereof and an amine salt of boric acid, while not containing any freon.
Toyoda Gosei, Co., Ltd.
C C C B C B
C08G C08G C08G B29C C08G B29C
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Takahiro Hisashi Yoshiharu
Yamada Mizuno Tsutsui