Polytrimethylene ether glycol with reduced colour formed...

Details Polytrimethylene ether glycol with reduced colour formed... Polytrimethylene ether glycol with reduced colour formed...

Category

C - Chemistry, Metallurgy

Subcategory

08

Subsubcategory

G

IPC codes

C08G 65/34 (2006.01) C12P 7/18 (2006.01)

Type

Patent

Patent number

CA 2522771

Description

A process is provided comprising contacting 1,3-propanediol with a suitable polymerization catalyst to produce polytrimethylene ether glycol, wherein the 1,3-propanediol comprises about 10 microg/g or less peroxide compounds, based on the weight of 1,3-propanediol.

L'invention concerne un procédé consistant à mettre en contact du 1,3-propanediol avec un catalyseur de polymérisation approprié afin de produire du polytriméthylène éther glycol, le 1,3-propanediol comprenant environ 10 microg/g ou moins de composés de peroxide, en fonction du poids de 1,3-propanediol.

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