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Title:
MANUFACTURE OF REFORMED POLYETHERPOLYOLS
Document Type and Number:
Japanese Patent JPS5531880
Kind Code:
A
Abstract:
The instant invention is directed to a process for the preparation of modified polyether polyols comprising polymerizing of from 1 to 50 parts by weight of a mixture of 20 to 100% by weight (based on the total quantity of monomers) of acrylonitrile and 0 to 80% by weight of styrene in 50 to 99 parts by weight of the polyether polyol in the presence of a polymerization initiator which yields radicals, wherein said polymerization is carried out in the presence of from 0.1 to 1.5% by weight, based on the total quantity of monomers put into the process, of a compound of the formula: A=CH-X-R wherein A represents a divalent group R represents a C1-18 alkyl, C1-10 cycloalkyl, or substituted or unsubstituted benzyl group, R' represents C1-8 alkyl group, n represents 0, 1 or 2 and X represents oxygen or sulfur.

Inventors:
HAINRITSUHI ARUBERUTSU
GERUHARUTO BAREE
Application Number:
JP10615679A
Publication Date:
March 06, 1980
Filing Date:
August 22, 1979
Export Citation:
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Assignee:
BAYER AG
International Classes:
C08F2/32; C08F283/06; C08F283/00; C08G18/00; C08G18/63; (IPC1-7): C08F283/06; C08G18/63