Vinyl halide polymerisation process, reactor therefor and...

Details Vinyl halide polymerisation process, reactor therefor and... Vinyl halide polymerisation process, reactor therefor and...

C - Chemistry, Metallurgy

08

F

402/31, 23/379,

C08F 2/18 (2006.01) B01J 3/04 (2006.01) C08F 2/00 (2006.01) C08F 14/00 (2006.01)

Patent

CA 1139492

ABSTRACT OF THE DISCLOSURE Build-up during vinyl halide, particularly vinyl chloride, polymerisation is prevented by employing a poly- merisation process using a reactor having an adherent internal coating of a coating product derived from the admixture of at least polyethyleneimine; one or more of hydroquinone, p-benzoquinone, catechol and o-benzoquinone; and at least one o-aldehyde-substituted phenol, particularly salicylaldehyde. The preferred system is prepared from polyethyleneimine, hydroquinone and salicylaldehyde.

322085

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