Vinyl chloride polymerisation process

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

23/431, 402/50,

C08G 8/08 (2006.01) C08F 2/00 (2006.01) C08F 2/18 (2006.01) C08F 14/06 (2006.01)

Patent

CA 1189236

ABSTRACT OF THE DISCLOSURE: Polymerisation of vinyl chloride in aqueous suspension using a polymerisation 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-catalysed reaction, it may also (less preferably) be effected in an acid-catalysed reaction. The coating product itself and a process for its production are also claimed.

388870

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