Process for the production of reinforced polyurethane moldings b

Details Process for the production of reinforced polyurethane moldings b Process for the production of reinforced polyurethane moldings b

1991-03-13

1992-09-29

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 54, 528 58, 528 61, 528 65, 528 67, 528 69, 264257, 264300, C08G 1808, C08G 1870, B27N 310

Patent

active

051514834

ABSTRACT:
The present invention is directed to a process for producing a molded part by reacting an organic isocyanate with an active hydrogen group-containing material in the presence of a reinforcing fiber mat in a closed mold via the RIM process. The key to the present invention resides in the use of relatively high viscosity components.

REFERENCES:
patent: Re33609 (1991-06-01), Nodelman
patent: 3991147 (1976-11-01), Knipp et al.
patent: 4764540 (1988-08-01), Dewhurst et al.
patent: 4789688 (1988-12-01), Dewhurst et al.
patent: 4792576 (1988-12-01), Nodelman
patent: 4847307 (1989-07-01), Dewhurst et al.
patent: 4868224 (1989-09-01), Harasin et al.
patent: 4917902 (1990-04-01), Slocum et al.
Schmuacher et al "Low Viscosity Reinforced Polyurethane Foam Systems for Interior Automotive Panels", ASM International 1987, pp. 151-154.

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