公开(公告)号：US3575943A

公开(公告)日：1971-04-20

申请号：US3575943D

申请日：1969-06-25

Applicant: STAMICARBON

Inventor： LOOS JOZEF L M VAN DER ,  OTTENHEYM JOHANNES H ,  BUSSCHERS FRANCISCUS A ,  CLAASSEN PETER J M W

IPC: C08F20/00 ,  C08F20/10 ,  C08F22/00 ,  C08F220/00 ,  C08F220/04 ,  C08F220/42 ,  C08F220/44 ,  C08F15/36 ,  C08F15/38 ,  C08F15/40

CPC classification number: C08F22/00 ,  C08F220/44

Abstract: COPOLYMERS HAVING IMPROVED DYEING CHARACTERISTICS ARE PREPARED BY COPOLYMERIZING ACRYLONITRILE WITH THE A-METHYLENE GLUTARIC ACID, ALONE OR IN COMBINATION WITH THE MONOHYDROCARBYL ESTER THEREOF OR WITH THE ESTER ALONE IN SUCH AMOUNTS THAT THE RESULTING COPOLYMER COMPRISES 0.1-10 PERCENT BY WEIGHT OF SAID ACID OR ESTER, OR COMBINATION THEREOF, AND AT LEAST 35 PERCENT BY WEIGHT ACRYLONITRILE.