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(19)

(11)

2 529 519

(13)

(51)

IPC

C08C2/00(2006-01-01)

C08L11/00(2006-01-01)

C08L11/02(2006-01-01)

C08F36/18(2006-01-01)

C09J111/00(2006-01-01)

(21) (22)

Application

2011141903/05, 2010-03-31

(24)

Start date

2010-03-31

(22)

Actual filing date

2010-03-31

(45)

Published

2014-09-27

(72)

Inventor

Debajle Paskal'Khol'Tszenbejn PiterMottvejler RenkeMjuller EhberkhardtGrafe RajnerMakhner-Vol'Fart KristianNojner Tomas-OliverFidan MesutLagard Mark

(73)

Holder

Lanksess Dojchland Gmbkh

METHOD OF OBTAINING POLYCHLOROPRENE-BASED POLYMER DISPERSION AND INSTALLATION FOR OBTAINING POLYCHLOROPRENE-BASED POLYMER DISPERSION Russian patent published in 2014 - IPC C08C2/00 C08L11/00 C08L11/02 C08F36/18 C09J111/00

Abstract RU 2529519 C2

FIELD: chemistry.

SUBSTANCE: invention relates to method and installation (10) for obtaining polychloroprene-based polymer dispersion. Method includes stages at which performed are: emulsion polymerisation of chloroprene into polychloroprene with maximal content w_solid of dry substances by weight in obtained after polymerisation polychloroprene dispersion w_solid≤50%, and removal of chloroprene from polychloroprene dispersion in multi-stage tray stripping column (36) until content w_CR,out of chloroprene by weight in purified polychloroprene dispersion after removal of chloroprene reaches w_CR,out≤50 ppm. Installation contains polymerisation installation (12) for polymerisation of chloroprene into polychloroprene and multi-stage tray stripping column (36), directly or indirectly connected with polymerisation installation (12) and serving for removal of chloroprene from polychloroprene dispersion.

EFFECT: installation (10) and method make it possible to reduce relative content of monomer chloroprene in polychloroprene dispersions without necessity of considerable reduction of exploitation time of installation components.

13 cl, 1 dwg

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RU 2 529 519 C2

Authors

Debajle Paskal'

Khol'Tszenbejn Piter

Mottvejler Renke

Mjuller Ehberkhardt

Grafe Rajner

Makhner-Vol'Fart Kristian

Nojner Tomas-Oliver

Fidan Mesut

Lagard Mark

Dates

2014-09-27—Published

2010-03-31—Filed