Process for the preparation of flame-resistant polycarbonates

Details Process for the preparation of flame-resistant polycarbonates Process for the preparation of flame-resistant polycarbonates

1980-08-04

1981-09-15

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457R, 260 4575N, 260 4585R, 528196, C08K 542

Patent

active

042896851

ABSTRACT:
The invention relates to a process for rendering flame-resistant the thermoplastic aromatic polycarbonates prepared by a solution process, characterized by dispersing an aqueous solution of salt-like flameproofing agent in a washed and neutral polycarbonate/organic solvent system.

REFERENCES:
patent: 3525712 (1970-08-01), Kramer
patent: 3775367 (1973-11-01), Nouvertne
patent: 3787359 (1974-01-01), Horn et al.
patent: 3836490 (1974-09-01), Bockmann et al.
patent: 3933734 (1976-01-01), Mark et al.
patent: 3954713 (1976-05-01), Schnoring et al.
patent: 4098754 (1978-07-01), Neuray et al.
patent: 4110299 (1978-08-01), Mark
patent: 4113695 (1978-09-01), Mark
patent: 4212966 (1980-07-01), McClain

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