FIELD: chemistry.
SUBSTANCE: method involves the addition of a synthetic coagulant, the ammonium salt of a copolymer of butyl methacrylate and itaconic acid, to the latex with an itaconic acid content of 20-40 mole percent. 1 wt p of the copolymer is treated with 0.2-0.3 wt p of diethanolamine. The method includes the administration of mineral salts, acids or mixtures thereof.
EFFECT: invention allows to reduce the consumption of mineral salts, improve the efficiency of the method and simplify its technology.
2 cl, 1 dwg, 2 tbl, 9 ex
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Authors
Dates
2017-05-17—Published
2016-01-25—Filed