AQUEOUS PEROXIDE EMULSIONS Russian patent published in 2004 - IPC

Abstract RU 2232776 C2

FIELD: special-destination fluids.

SUBSTANCE: invention relates to aqueous peroxide emulsions optionally containing antifreeze and/or other agents comprising special emulsifying system including (i) copolymer of α,β-unsaturated dicarboxylic acid and C8-C24-α-olefin, acid groups of which are esterified with ethoxylated alcohol with degree of ethoxylation 1-45 and (ii) ethoxylated fatty alcohol with hydrophilic-lipophilic balance 16-30 in amount 0.02 to 15%. Copolymer is present in amount 0.05 to 20% and total weight of the both compounds equals 0.5% on the weight of peroxide in emulsion. Peroxide emulsions can be used in various polymerization reactions as initiators. Invention also relates to polyvinylchloride production process involving aqueous peroxide emulsion.

EFFECT: improved safety of peroxide emulsion and increased flexibility of polymerization process.

11 cl, 5 tbl, 27 ex

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RU 2 232 776 C2

Authors

Vestmejze Khans

O Bun Kho

Dates

2004-07-20Published

2000-01-06Filed