Process for producing flexible polyester foam

Details Process for producing flexible polyester foam Process for producing flexible polyester foam

1982-06-24

1984-08-14

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 82, 521 841, 521 91, 521 92, 521 94, 521 96, 521 98, 521110, 521113, 521122, 521124, C08J 900

Patent

active

044657927

ABSTRACT:
Flexible foam composition comprising a flexible polyester resin prepared from a resin having an elongation of 8 to 70 percent, said foams having density of 2 to 50 pounds per cubic foot. The foam can be filled with up to 150 parts by weight of inorganic materials and can be reinforced with porous fabric (paper or cloth) or glass (chopped fiber or woven tape) materials.

REFERENCES:
patent: 2733221 (1956-01-01), Kish et al.
patent: 2979469 (1961-04-01), Shannon et al.
patent: 3356781 (1967-12-01), Sulewski et al.
patent: 3839171 (1974-10-01), Akamatsu et al.
patent: 3855160 (1974-12-01), Shiotsu et al.
patent: 4277570 (1981-07-01), Michel
patent: 4314036 (1982-02-01), Throne et al.
patent: 4327196 (1982-04-01), West et al.

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