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公开(公告)号：US3632532A
公开(公告)日：1972-01-04
申请号：US3632532D
申请日：1968-08-14
Applicant: BASF AG
Inventor： GAETH RUDOLF , PFANNMUELLER HELMUT , STASTNY FRITZ , TRIESCHMANN HANS-GEORGE , TATZEL HERMANN , ZIZLSPERGER JOHANN
CPC classification number: C08J9/0028 , C08G18/6204 , C08G2101/0041 , C08J2323/08 , Y10S521/908
Abstract: PRODUCTION OF EXPANDED MATERIAL BY MIXING COPOLYMERS OF ETHYLENE WITH POLYISOCYANATES AND EXPANDING AGENTS UNDER PRESSURE AND DECOMPRESSING THE HOMOGENEOUS MIXTURES.
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