Rigid foams using blends of chlorofluorocarbons and alkyl alkano

Details Rigid foams using blends of chlorofluorocarbons and alkyl alkano Rigid foams using blends of chlorofluorocarbons and alkyl alkano

1990-03-30

1990-10-02

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264DIG5, 521131, 521155, C08J 914

Patent

active

049608045

ABSTRACT:
The present invention is directed to the use of a mixture of specific chlorofluorocarbons and an alkyl alkanoate in the production of rigid, closed cell foams.

REFERENCES:
patent: 2191196 (1940-02-01), Fleischer
patent: 3072582 (1963-01-01), Frost
patent: 3091551 (1963-05-01), Robertson
patent: 3153002 (1964-10-01), Wismer et al.
patent: 3524825 (1970-08-01), Rill, Jr.
patent: 3745203 (1973-07-01), Harper
patent: 3846347 (1974-11-01), Satterly
patent: 3879315 (1975-04-01), Watkinson et al.
patent: 4033910 (1977-07-01), Papa
patent: 4076644 (1978-02-01), Burt et al.
patent: 4248975 (1981-02-01), Satterly
patent: 4448951 (1984-05-01), Rupert et al.
patent: 4624970 (1986-11-01), Dwyer et al.
DuPont Brochure entitled "DuPont Freon Fluorocarbons . . . High Performance Blowing Agents".
Union Carbide brochure F-42624A entitled "NIAX Blowing Agents for Urethane Foams," dated Apr. 1973, 15 pages.
Union Carbide brochure F-42624B entitled "NIAX Blowing Agents for Urethane Foams," dated Apr. 1974, 14 pages.
Union Carbide brochure F-46239 entitled "NIAX Blowing Agent 11R", dated 10/76, pages.
Union Carbode brochure entitled "1977-1978 Chemicals and Plastics Physical Properties", 5 pages.

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