Polyurethane material for molding pad cover

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...

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528 54, 264299, C08G 1818

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active

053670450

ABSTRACT:
A material for producing a pad cover molding polyurethane, comprsing a polyol, an isocyanate and an urethane reaction retarding catalyst comprising a tertiary amine blocked with an acid such as formic acid, said material containing neither any fluorocarbon nor any chlorofluorocarbon. The polyurethane material according to the present invention is capable of molding a non-foamed or sparsely foamed lacuna-free pad cover although the material contains neither any fluorocarbon nor any chlorofluorocarbon.

REFERENCES:
patent: 4444704 (1984-04-01), Hira et al.
patent: 5179132 (1993-01-01), Mizuno et al.

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