Polycarbonate resin foam

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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Details

521 90, 521135, 521180, 524109, 524114, 525463, C08J 910

Patent

active

045813825

ABSTRACT:
Epoxy compounds are added to polycarbonate resin to reduce or eliminate the necessity of drying the resin prior to a foaming process.

REFERENCES:
patent: 3277029 (1966-10-01), Chadwick et al.
patent: 3290261 (1966-12-01), Goldblum
patent: 3442829 (1969-05-01), Moore
patent: 3489716 (1970-01-01), Calkins
patent: 3634312 (1972-01-01), Babillis et al.
patent: 3819545 (1974-06-01), Hunter
patent: 3839247 (1974-10-01), Bialous et al.
patent: 3903224 (1976-12-01), Billier
patent: 4065401 (1977-12-01), Cohen et al.
patent: 4097425 (1978-06-01), Nizuik

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