Process for the preparation of expandable styrene polymers

Details Process for the preparation of expandable styrene polymers Process for the preparation of expandable styrene polymers

B - Operations, Transporting

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B29C 47/88 (2006.01) B29B 9/06 (2006.01) B29C 44/34 (2006.01) C08F 112/08 (2006.01) C08J 9/08 (2006.01) C08J 9/16 (2006.01) C08J 9/22 (2006.01) C08K 5/01 (2006.01) C08K 5/02 (2006.01)

Patent

CA 2003488

PROCESS FOR THE PREPARATION OF EXPANDABLE STYRENE POLYMERS Abstract Of The Disclosoure A process for preparing expandable styrene polymers by extruding a mixture of a styrene polymer, blowing agent, organic bromine compound and dicumyl as a synergist, cooling the extrudate so that it does not foam and while the inside of the extrudate is still plastic deforming it by stretching and/or milling, then reducing the extrudate in size.

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