Polyurethane carpet-backing process based on soft segment prepol

Details Polyurethane carpet-backing process based on soft segment prepol Polyurethane carpet-backing process based on soft segment prepol

1990-12-20

1992-04-14

Lusignan, Michael

Coating processes

Foraminous product produced

Filter, sponge, or foam

4273899, 427358, 427373, 428 95, B05D 500

Patent

active

051046938

ABSTRACT:
Polyurethane-backed substrates such as attached cushion carpeting are prepared from a polyurethane forming composition based on a soft segment prepolymer of MDI or an MDI derivative. The use of the prepolymer provides a backing having good strength properties and good resiliency.

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patent: 4845133 (1989-07-01), Priester, Jr. et al.
patent: 4853054 (1989-08-01), Turner et al.
patent: 4913958 (1990-04-01), Skaggs et al.

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