Process for improving the processing properties of powdery...

Details Process for improving the processing properties of powdery... Process for improving the processing properties of powdery...

B - Operations, Transporting

29

B

18/1187, 18/946

B29B 9/08 (2006.01) B29B 13/00 (2006.01) C08J 3/12 (2006.01)

Patent

CA 1127819

HOE 77/F 207 PROCESS FOR IMPROVING THE PROCESSING PROPERTIES OF POWDERY POLYOLEFINS Abstract of the disclosure: The invention relates to a process for improving the pro- cessing properties of powdery polyolefins. It is endeavored by this process to obtain a polyolefin powder which can be processed on screw extruders to an almost bubble-free product. The polyolefin powder is heated to a temperature of between 40° C and its melting point and introduced into a gap between two gap forming elements. In this gap, the powder is compressed with a pressure of from 0.1 to 10 t per cm of gap length, and the powder so compressed is then comminuted.

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