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公开(公告)号：US3819559A
公开(公告)日：1974-06-25
申请号：US31247572
申请日：1972-12-06
Applicant: GAF CORP
Inventor： BARABAS E
IPC: C08F271/02 , C08F33/08
CPC classification number: C08F271/02 , C08F220/12
Abstract: A graft copolymer of a monomer mixture comprising an acrylic acid ester; and crotonic acid, graft polymerized on a poly (Nvinyl lactam) of the formula
WHEREIN R represents an alkylene bridge group containing from 2 through 4 carbon atoms, R1 represents a member of the group consisting of hydrogen and methyl and n represents the number of the N-vinyl lactam units; stable aqueous emulsions containing same and methods of production.Abstract translation: 包含丙烯酸酯的单体混合物的接枝共聚物; 和巴豆酸在式WHEREIN R的聚（N-乙烯基内酰胺）上接枝聚合，表示含有2至4个碳原子的亚烷基桥基，R 1表示氢和甲基的成员，n表示数 的N-乙烯基内酰胺单元; 包含其的稳定的含水乳液和生产方法。
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2.发明授权High molecular weight and low viscosity vinylpyrrolidone polymer flocculants and catalyst and process producing the same 失效高分子量和低粘度乙烯基吡咯烷酮聚合物絮凝剂和催化剂及其生产方法
公开(公告)号：US3803104A
公开(公告)日：1974-04-09
申请号：US21173371
申请日：1971-12-23
Applicant: GAF CORP
CPC classification number: C02F1/54
Abstract: NOVEL SOLUTION TETRAPOLYMER COMPOSITIONS CONSISTING OF MONOMER UNITS OF N-VINYL-2:PYRROLIDONE, ACRYLAMIDE, METHACRYLAMIDE, AND AN ALKYLAMINO-ESTER OF AN ETHYLENICALLY UNSATURATED ACID WHICH ARE SUITABLE FOR USE AS FLOCCULANTS HAVING A HIG MOLECULAR WEIGHT AND LOW SHEAR VISCOSITY ARE PRODUCED IN THE PRESENCE OF AN INORGANIC FREE RADICAL CATALYST SUCH AS TETRAPOTASSIUM PEROXY DIPHOSPHATE.
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3.发明授权Graft copolymers of poly(vinylpyrrolidone) with acrylic acid and acrylic ester 失效聚（乙烯基吡咯烷酮）与丙烯酸和丙烯酸酯的共聚物
公开(公告)号：US3770683A
公开(公告)日：1973-11-06
申请号：US3770683D
申请日：1972-02-14
Applicant: GAF CORP
IPC: C08F271/02 , C08F19/00 , C08F41/00
CPC classification number: C08F271/02 , C08F220/12
Abstract: GRAFTED TERPOLYMERS OF A POLYMERIC N-VINYL LACTAM, SUCH AS POLYVINYL PYRROLIDONE, WITH ALKYL ACRYLATES AND ACRYLIC ACID UNITS, ARE PREPARED AS STABLE AQUEOUS SOLUTIONS.
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