Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1992-09-10
1994-03-22
Kuhns, Allan R.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 466, 264DIG77, B29C 6722
Patent
active
052961818
ABSTRACT:
A process for the production of composite bodies of polyurethane foams and covering layers, which includes at least partly lining a mold with a covering layer, and filling the mold with a reaction mixture which reacts to form a polyurethane foam. The reaction mixture which forms a polyurethane foam consists of a polyisocyanate component, a component consisting of at least one organic compound having at least two isocyanate reactive groups, blowing agents, and salts with water of crystallization as additives for improving the bond between the foam and the covering layer.
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Avar Gezar
Luckas Bruno
Neuhaus Alfred
Bayer Aktiengesellschaft
Brown N. Denise
Gil Joseph C.
Kuhns Allan R.
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