Process for preparing polyurethane carpet backings based on high

Details Process for preparing polyurethane carpet backings based on high Process for preparing polyurethane carpet backings based on high

1987-09-29

1989-08-01

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

428 95, 428 96, 428 97, 4283166, 4284231, 521 88, B32B 3114, B32B 518

Patent

active

048530549

ABSTRACT:
Polyurethane-backed textiles are prepared from a polyurethane-forming composition employing a polyether polyol having an equivalent weight of at least about 1000, a specified functionality and an internal poly(ethylene oxide) block or a terminal ethylene oxide end cap of at least about 15% by weight. The use of these polyether polyols provides a particularly desirable combination of processing and physical characteristics.

REFERENCES:
patent: 4296159 (1981-10-01), Jenkines et al.
patent: 4483894 (1984-11-01), Porter et al.
patent: 4696849 (1987-09-01), Mobley et al.

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