Process for the preparation of a polyurethane structural support

Details Process for the preparation of a polyurethane structural support Process for the preparation of a polyurethane structural support

1991-11-07

1993-03-09

Pianalto, Bernard

Coating processes

Spraying

4273855, B05D 102

Patent

active

051925940

ABSTRACT:
The present invention is directed to a process of preparing a polyurethane structural support by spraying a specific polyurethane onto a substrate. The polyurethane is prepared by reacting a specific polyol blend, an organic diamine, and an isocyanate in the presence of a moisture absorbing material and a polysiloxane defoaming agent.

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patent: 4743672 (1988-05-01), Goel
patent: 4876308 (1989-10-01), Melby et al.

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