Foaming and crosslinking of elastomeric and/or thermoplastic pol

Details Foaming and crosslinking of elastomeric and/or thermoplastic pol Foaming and crosslinking of elastomeric and/or thermoplastic pol

1985-09-30

1986-08-19

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 91, 521 92, 521 95, 521 96, 521143, 521144, 521149, 521150, 521154, C08J 910

Patent

active

046070605

ABSTRACT:
Crosslinked elastomeric and/or thermoplastic closed-cell foams having low densities are prepared from an admixture which comprises a crosslinkable thermoplastic and/or elastomeric polymer, a free radical initiator which is activated at temperatures from about 50.degree. C. to about 350.degree. C., and a t-alkylhydrazinium salt or a carbonylhydrazine.

REFERENCES:
patent: 4322502 (1982-03-01), Stott et al.
patent: 4393148 (1983-07-01), Kamens
patent: 4397965 (1983-08-01), Stott
patent: 4435525 (1984-03-01), Kamens

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