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公开(公告)号：US3719731A
公开(公告)日：1973-03-06
申请号：US3719731D
申请日：1970-07-29
Applicant: BAYER AG
Inventor： DINGES K , OTT K , SCHUSTER H , NUTZEL K
IPC: C08F285/00 , C08F287/00 , C08F1/04 , C08F19/00
CPC classification number: C08F287/00
Abstract: A process for the production of high-impact moulding compositions by the bulk polymerization, bulk-suspension polymerization or suspension polymerization of olefinically unsaturated monomers in the presence of a rubber component and a catalyst, wherein the rubber component comprises A a block copolymer of A. 99 TO 1 PERCENT BY WEIGHT OF BLOCKS OF ETHYLENE-PROPYLENE COPOLYMER OR ETHYLENE-PROPYLENE TERPOLYMER RUBBER, AND B. 1 TO 99 PERCENT BY WEIGHT OF BLOCKS OF A DIENE RUBBER OR POLYPENTENAMER RUBBER, AND THE OLEFINICALLY UNSATURATED MONOMERS COMPRISE B. a mixture of A. 90 TO 50 PERCENT BY WEIGHT OF STYRENE, AN Alpha -ALKYL STYRENE, A NUCLEAR-ALKYLATED STYRENE, METHYL METHACRYLATE OR A MIXTURE THEREOF, AND B. 10 TO 50 PERCENT BY WEIGHT OF ACRYLONITRILE, METHACRYLONITRILE, METHYL METHACRYLATE OR A MIXTURE THEREOF, SAID RUBBER COMPONENT COMPRISING FROM 1 TO 20 PERCENT BY WEIGHT OF SAID MOULDING COMPOSITION AND SAID OLEFINICALLY UNSATURATED MONOMERS COMPRISING FROM 99 TO 80 PERCENT BY WEIGHT THEREOF.
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公开(公告)号：US3742075A
公开(公告)日：1973-06-26
申请号：US3742075D
申请日：1971-03-04
Applicant: BAYER AG
Inventor： MAYER MADER R , DINGES K
Abstract: This invention relates to the stabilization of monomeric 2,3dichloro-1,3-butadiene, wherein a piperazine derivative corresponding to the formula:
IN WHICH R represents hydrogen, a linear of branched alkyl radical with one to five carbon atoms or a linear or branched hydroxyalkyl radical with two to five carbon atoms, is added to the monomer.Abstract translation: 本发明涉及单体2,3-二氯-1,3-丁二烯的稳定化，其中对应于下式的哌嗪衍生物：
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