Microfine melt flow rate polymer powders and process for...

Details Microfine melt flow rate polymer powders and process for... Microfine melt flow rate polymer powders and process for...

C - Chemistry, Metallurgy

08

F

C08F 230/08 (2006.01)

Patent

CA 2081223

ABSTRACT The present invention relates to crosslinkable microfine ethylene copolymer powder which are substantially spherical in shape and range in size from about 10 up to about 500 microns and to the process of crosslinking the powders to reduce their melt flow rate. The powders are crosslinked by contacting with water in the presence of a silanol condensation catalyst at temperatures from ambient up to about 110°C. The reduction in melt flow rate is accomplished without substantially changing the powder characteristics, i.e., particle size and particle size distribution.

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