Neither toxic nor environmentally noxious foamed-polymer product

Details Neither toxic nor environmentally noxious foamed-polymer product Neither toxic nor environmentally noxious foamed-polymer product

1992-05-15

1994-10-04

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521113, 521123, 521124, 521125, 521128, 521130, 521131, 521145, 521146, 521155, 521160, C08F 1406

Patent

active

053527100

ABSTRACT:
A cellular, foamed-polymer product is disclosed, which is constituted by a mixture comprising: at least one isocyanate, at least one anhydride, at least one vinylidene compound, poly-(vinyl chloride), at least one foaming agent, a heat stabilizer, calcium stearate and zinc stearate.
The product production scraps and processing wastes and residues are not riskful for health and environment, and can be disposed of as "waste similar to solid municipal waste".

REFERENCES:
patent: 3256217 (1966-06-01), Landler et al.
patent: 4423110 (1983-12-01), Sato
patent: 4701472 (1987-10-01), Koebisu et al.
European Search Report.
Chemical Abstract 147685V, vol. 89, No. 18, Oct. 1978.

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