Carpet backing precoats, laminate coats, and foam coats prepared

Details Carpet backing precoats, laminate coats, and foam coats prepared Carpet backing precoats, laminate coats, and foam coats prepared

1996-08-28

2000-08-01

Morris, Terrel

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

428 97, 521101, 521106, 521159, D05C 1702, C08G 1808, C08J 904

Patent

active

060964014

ABSTRACT:
The present invention is a polyurethane carpet backing prepared from a polyurethane-forming composition wherein fly ash is included as a filler material. High loadings of fly ash can be obtained without detriment to the process for preparing a polyurethane carpet backing, or adverse effect to the physical properties of the carpet backing.

REFERENCES:
patent: 3849156 (1974-11-01), Marlin et al.
patent: 4022941 (1977-05-01), Prokai et al.
patent: 4096303 (1978-06-01), Doerfling
patent: 4241131 (1980-12-01), Bailey
patent: 4661533 (1987-04-01), Stobby
patent: 4734455 (1988-03-01), Mobley et al.
patent: 4853054 (1989-08-01), Turner et al.
patent: 4892891 (1990-01-01), Close
patent: 5302634 (1994-04-01), Mushovic
patent: 5565497 (1996-10-01), Godbey et al.
patent: 5646195 (1997-07-01), Mobley
International Search Report dated Aug. 21, 1997 issued by the EPO acting as the International Seraching Authority in PCT/US97/14740.

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