PROCESS FOR PREPARING POROUS MATERIAL Russian patent published in 1997 - IPC

Abstract RU 2072376 C1

FIELD: automobile, automobile ship building and aviation industry. SUBSTANCE: powder-like polyvinyl chloride prepared by suspension polymerization or bulk polymerization is heat treated at a layer thickness of 2- 16 mm at 230-300 C for 3-20 minutes. Prior to heat treatment, the layer should preferably be compressed. EFFECT: more efficient preparation process. 2 cl, 1 tbl

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RU 2 072 376 C1

Authors

Dates

1997-01-27Published

1993-12-07Filed