Vinyl chloride polymerization in reactor coated with build-up su

Details Vinyl chloride polymerization in reactor coated with build-up su Vinyl chloride polymerization in reactor coated with build-up su

1981-10-26

1984-02-14

Henderson, C. A.

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

Synthetic resins

Polymerizing in reactor of specified material, or in reactor...

528137, 528147, 528151, 528153, C08F 220

Patent

active

044317832

ABSTRACT:
Polymerization of vinyl chloride in aqueous suspension using a polymerization reactor having adherently deposited on internal surfaces thereof a build-up suppressant coating comprising a product of build-up suppressant activity formable by (and preferably formed by) the condensation of an effective 1-naphthol (preferably 1-naphthol itself) and formaldehyde. The condensation is preferably effected in a base-catalyzed reaction; it may also (less preferably) be effected in an acid-catalyzed reaction. The coating product itself and a process for its production are also claimed.

REFERENCES:
patent: 4093787 (1978-06-01), Burgess

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