Process for the production of lightweight polyurethane moldings

Details Process for the production of lightweight polyurethane moldings Process for the production of lightweight polyurethane moldings

1995-05-01

1996-07-02

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 54, 523219, C08J 924, C08J 932, C08J 934

Patent

active

055322808

ABSTRACT:
A low density RRIM/RIM article formed of rigid foamed polyurethane which has incorporated in it, hollow glass microspheres with a compressive strength greater than 4,000 psi and a maximum size of 120 microns. This low density RRIM/RIM fascia may have physical properties and continuous high gloss painted outer skin comparable to conventional RRIM/RIM products while having reduced density in comparison to such product.

REFERENCES:
patent: 5244613 (1993-09-01), Hurley et al.
patent: 5260343 (1993-11-01), Harrison et al.
Paper given by James Burg at the International Congress and Exposition; Detroit, Michigan; Feb. 27-Mar 2 1995, "Lightweight Reaction Injection Molded Polyurethane for Automotive Fascia".
Paper given by M. Hurley, B. Lee S. Lewandowski and T. Smith at International Congress and Exposition; Detroit, Michigan; Feb. 27-Mar. 2, 1995 "Advances in Competitive Polyurethane Materials for Automotive Fascia".

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