Reduced polymer buildup in condenser of reactor vessel

Details Reduced polymer buildup in condenser of reactor vessel Reduced polymer buildup in condenser of reactor vessel

1982-09-22

1984-12-11

Henderson, Christopher A.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526202, 526209, C08F 216

Patent

active

044878990

ABSTRACT:
This invention relates to a suspension polymerization process for polymerizing vinyl monomers in a reaction vessel equipped with an external cooling means, such as a reflux condenser, as well as a cooling jacket, wherein polymer buildup in said external cooling means can be substantially eliminated. This is accomplished by adding in a plurality of charges to the reaction mixture nonionic surface active or wetting agents having a hydrophile-lipophile balance (HLB) in the range of from about 9 to about 16 thus resulting in reducing charge expansion and attendant reduction in foaming of the charge.

REFERENCES:
patent: 3951925 (1976-04-01), Mishima
patent: 3959235 (1976-05-01), Nishigaki

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