Polyol formulation for producing latex-like flexible polyurethan

Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant

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25218224, 524762, 525123, C09K 300

Patent

active

060687908

ABSTRACT:
A polyol formulation is disclosed, the formulation including: (a) 80 to 99 parts by weight (pbw) of a polymer polyol comprising a base polyol having a molecular weight in the range of from 2,500 to 6,500, an average nominal functionality (Fn) of at least 2.0, an ethylene oxide content of 50 to 80%, and a primary hydroxyl content of at least 40% and a polymer stably dispersed therein; and, up to a total of 100 pbw, (b) 1 to 20 pbw of a hydrophilic polyol having a molecular weight in the range of from 2,000 to 5,500, an ethylene oxide content of at least 40% by weight and a primary hydroxyl content of at least 50%. The formulation may further include a tin catalyst and optionally a crosslinking agent and is very useful for producing latex-like polyurethane foams. These foams may be suitably applied in cushions (in e.g. car seats and upholstered furniture) or mattresses.

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patent: 4226756 (1980-10-01), Critchfield et al.
patent: 4357430 (1982-11-01), Van Cleve
patent: 4855330 (1989-08-01), Gastinger et al.
patent: 5011908 (1991-04-01), Hager
patent: 5124368 (1992-06-01), Gill et al.

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