Polymer solubilization

Details Polymer solubilization Polymer solubilization

1982-08-23

1984-01-17

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

252 791, 523124, 524462, 524464, 524486, 524490, 524609, 502169, 502229, 502231, C08F28300

Patent

active

044265000

ABSTRACT:
Arylene sulfide polymers such as poly(p-phenylene sulfide) are solubilized (depolymerized) under mild conditions by contact with a solution comprising at least one aromatic hydrocarbon and a Group IIIA metal halide. In a specific embodiment, arylene sulfide polymers are depolymerized to form aryl sulfides. The solution is useful to remove arylene sulfide polymers deposited on process equipment.

REFERENCES:
patent: 3145889 (1968-12-01), Louthan
patent: 3395132 (1968-07-01), Smith
patent: 3497406 (1970-02-01), Skoog
patent: 4282347 (1981-08-01), Tieszen et al.

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