C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5745
C08L 27/06 (2006.01) A01G 13/02 (2006.01) A61L 29/04 (2006.01) A61L 29/14 (2006.01) C08F 14/06 (2006.01) C08F 255/02 (2006.01) C08F 283/02 (2006.01) C08G 81/02 (2006.01) C08L 67/00 (2006.01)
Patent
CA 1111986
ABSTRACT OF THE DISCLOSURE: The production of internally plasticized poly(vinyl chloride) is carried out by polymerizing or copolymerizing vinyl chloride in an aqueous dispersion medium, in the presence of up to 50 wt.%, based on the vinyl chloride, of a polymeric plasticizer prepared by polyesterification of dicarboxylic acids having 4 to 16 carbon atoms and diols having 2 to 8 carbon atoms, at a temperature of from -20 to +80°C and over a period of time such as to achieve a conversion of vinyl chloride of from 55 to 94%, and isolating the resulting polymer. The internally plasticized poly(vinyl chloride) produced by this method is suitable for the manu- facturing of stable flexible foils for earth insulations.
336169
Kolinsky Miloslav
Kuska Vladislav
Lukas Rudolf
Macho Vendelin
Manas Jaroslav
Ceskoslovenska Akademie Ved
Robic Robic & Associes/associates
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