METHOD OF PREPARING SYNTHETIC FILM-FORMING MATERIAL Russian patent published in 2002 - IPC

Abstract RU 2194723 C2

FIELD: polymerization processes. SUBSTANCE: synthetic film-forming materials are prepared by cationic static copolymerization of components of piperylene-containing hydrocarbon mixtures at 50-120 C. According to invention, promoter fed into ageing zone additionally contains C3-C6-alcohols (propanol or butanol, or isopentanol, or hexanol) at molar ratio of lower carbonyl compound to alcohol equal to (0.5-1.0):1. Resulting polymer is further subjected to double ageing and two degassing operations. EFFECT: increased yield and improved waterproofness and drying time of product. 2 cl, 1 dwg, 2 tbl, 10 ex

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RU 2 194 723 C2

Authors

Popov B.I.

Surkov V.D.

Khismatullin S.G.

Akbashev N.M.

Goncharuk E.M.

Dates

2002-12-20—Published

2000-12-25—Filed