Process for chlorinating ethylene polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525358, C08F 822

Patent

active

041973860

ABSTRACT:
An improved process for chlorinating high density polyethylene "in bulk" is described, with a two-stage reaction, the first at temperatures below the crystalline melting point, and the second above that temperature, and using a polyethylene starting material having a critical combination of characteristics, as described.

REFERENCES:
patent: 4029862 (1977-06-01), Liu et al.
patent: 4039732 (1977-08-01), Schoen et al.

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