Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1978-04-21
1980-12-02
Henderson, C. A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
260 318R, 260 332R, 260 336UA, 260 338R, 260 42, 260 4221, 260 4241, 525210, 525216, 525134, 525330, 525348, 525352, C08F 834
Patent
active
042372470
ABSTRACT:
A cured or uncured chlorinated polyethylene composition free from hexamethyl-phosphoric triamide complex comprising (A) chlorinated polyethylene, (B) a mercaptotriazine as cross-linking agent, (C) a cross-linking accelerator selected from the group consisting of specified dithiocarbamic compounds, secondary and tertiary amines, and the carboxylates, mercaptothiazole salts, dithiocarbamates and dithiophosphates of said secondary and tertiary amines and the benzothiazylsulfenamides of said secondary amines, and (D) an acid acceptor of metal compounds; as well as a process for curing uncured chlorinated polyethylene which comprises heating same in the absence of hexamethylphosphoric triamide complex in the presence of (B), (C) and (C) at a temperature of about 120.degree. to about 200.degree. C.
REFERENCES:
patent: 2804450 (1957-08-01), Naylor
patent: 3370051 (1968-02-01), Sullivan
patent: 3622547 (1971-11-01), Ermidis
Hashimoto Akira
Matoba Yasuo
Sugahara Mikio
Henderson C. A.
Osaka Soda Co. Ltd.
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