Process for the production of polyurethane plastics in which pol

Details Process for the production of polyurethane plastics in which pol Process for the production of polyurethane plastics in which pol

1980-05-05

1982-03-16

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 99, 521109, 521137, 528 48, 528 52, 524 74, 524 72, C08G 1814, C08G 1808

Patent

active

043202080

ABSTRACT:
This invention relates to a process for the production of optionally foamed polyurethane plastics, particularly shaped articles, using certain denatured biomasses as reactive fillers. The fillers in question comprise biomasses based on microorganisms and the derivatives and decomposition products of microorganisms, particularly biologically purified sludges, which have been deodorized and irreversibly denatured by reaction with isocyanates and/or carbonyl compounds and compounds capable of aminoplast and/or phenoplast formation.

REFERENCES:
patent: Re24213 (1956-09-01), Van Blaricom et al.
patent: 3256218 (1966-06-01), Kuox
patent: 3812619 (1974-05-01), Wood et al.
patent: 3950222 (1976-04-01), Takasaki
patent: 3959191 (1976-05-01), Kehr et al.
patent: 3976465 (1976-08-01), O'Donnell
patent: 4021368 (1977-05-01), Nemec et al.

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