Process for polymerizing vinyl chloride with a scale prevention

Details Process for polymerizing vinyl chloride with a scale prevention Process for polymerizing vinyl chloride with a scale prevention

1984-01-17

1985-11-26

Henderson, Christopher A.

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

Synthetic resins

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

526202, C08F 234, C08F 216

Patent

active

045555559

ABSTRACT:
A process for polymerizing vinyl chloride is disclosed which comprises coating prior to the polymerization the surfaces of a polymerization reactor, agitator blades and a reflux condenser with a reaction product obtained by the reaction of a phenolic compound and an aromatic aldehyde, said reaction product having an average molecular weight of from 3,000 to 10,000. Not only is the polymer scales formation prevented surprisingly, but a high quality product substantially free from fish eyes is obtained.

REFERENCES:
patent: 3825434 (1974-07-01), Berens
patent: 4076931 (1978-02-01), Katayama
patent: 4093787 (1978-06-01), Burgess
patent: 4320215 (1982-03-01), Yonezawa

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