会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Copolymers based on ethylenically unsaturated dicarboxylic anhydrides,
long-chain olefins and fluoroolefins
    • 基于烯键式不饱和二羧酸酐,长链烯烃和氟烯烃的共聚物
    • US5534604A
    • 1996-07-09
    • US436156
    • 1995-05-05
    • Michael BildhauerRainer KupferGunther SiebottBernhard MeesHerbert Friedrich
    • Michael BildhauerRainer KupferGunther SiebottBernhard MeesHerbert Friedrich
    • C08F2/02C08F2/38C08F8/12C08F10/00C08F210/00C08F210/14C08F214/00C08F222/00C08F255/00C14C9/00C08F14/18
    • C14C9/00C08F210/14C08F255/00C08F8/44C08F2810/50
    • Copolymers based on ethylenically unsaturated dicarboxylic anhydrides, long-chain olefins and fluoroolefins Copolymers containing 10 to 60% by weight of bivalent structural units of the formula A ##STR1## wherein R.sup.1 and R.sup.2, independently of one another, are hydrogen or C.sub.1 -C.sub.6 -alkyl,a and b are zero or one and a+b is one,X and Y are identical or different and are the group --N--HR.sup.3,where R.sup.3 is C.sub.1 -C.sub.40 -alkyl, C.sub.3 -C.sub.40 -alkenyl, C.sub.5 -C.sub.20 -cycloalkyl or C.sub.6 -C.sub.18 -aryl, the group --N--(R.sup.3).sub.2,where R.sup.3 are identical or different and have the abovementioned meaning, and/or the group --O--R.sup.4,where R.sup.4 is hydrogen, an alkali metal cation, one equivalent of an alkaline earth metal ion, a cation of the formula H.sub.2 N.sup..sym. (R.sup.3).sub.2 or H.sub.3 N.sup..sym. R.sup.3, C.sub.1 -C.sub.40 -alkyl, C.sub.5 -C.sub.20 -cycloalkyl or C.sub.6 -C.sub.18 -aryl, 30 to 89% by weight of bivalent structural units of the formula B ##STR2## wherein R.sup.5 is hydrogen or C.sub.1 -C.sub.4 -alkyl andR.sub.6 is C.sub.6 -C.sub.40 -alkyl or C.sub.6 -C.sub.18 -aryl, and1 to 20% by weight of bivalent structural units of the formula C ##STR3## wherein n is a number from 6 to 24.The invention also relates to a process for the preparation of these copolymers and to the utilization thereof.
    • 基于烯键式不饱和二羧酸酐,长链烯烃和氟烯烃的共聚物含有10至60重量%的式A的二价结构单元的共聚物(A)其中R 1和R 2彼此独立地为氢或C 1 -C 1-6 - 烷基,a和b为零或一个,a + b为1,X和Y相同或不同,为-N-HR 3基团,其中R 3为C 1 -C 40 - 烷基,C 3 -C 40 - 烯基, C 5 -C 20 - 环烷基或C 6 -C 18 - 芳基,基团-N-(R 3)2,其中R 3相同或不同并具有上述含义,和/或基团-O-R 4,其中R 4是氢, 碱金属阳离子,1当量碱土金属离子,式H2N(+)(R3)2或H3N(+)R3,C1-C40 - 烷基,C5-C20-环烷基或C6-C18-芳基的阳离子 ,30至89重量%的式B的二价结构单元(B)其中R 5是氢或C 1 -C 4烷基,R 6是C 6 -C 40 - 烷基或C 6 -C 18 - 芳基,和1至20 重量%的式C
    • 5. 发明授权
    • Stable emulsions of water resistant polyvinyl alcohol-stabilized vinyl
chloride-ethylene copolymers
    • 耐水聚乙烯醇稳定的氯乙烯 - 乙烯共聚物的稳定乳液
    • US4673702A
    • 1987-06-16
    • US747133
    • 1985-06-20
    • John G. Iacoviello
    • John G. Iacoviello
    • C08F2/00C08F2/16C08F2/22C08F2/30C08F6/00C08F6/06C08F6/10C08F14/06C08F214/00C08F214/06C08L27/06C08K3/20
    • C08L27/06C08F14/06C08F214/06
    • A method for preparing a stable vinyl chloride based resin emulsion which comprises a copolymer colloidally dispersed in an aqueous medium, the copolymer having a Tg from 0.degree. to 50.degree. C., about 65 to 90 wt% vinyl chloride, about 5 to 35 wt% ethylene, 0 to 10 wt% olefinically unsaturated copolymerizable monomer and prepared by emulsion polymerization of vinyl chloride, ethylene and, optionally, an olefinically unsaturated comonomer in the presence of about 3 to 15 wt% polyvinyl alcohol as the dispersing agent, the polymerization method comprising(a) forming an aqueous emulsion reaction mixture containing substantially all the polyvinyl alcohol and a portion, preferably at least 5%, of the total vinyl chloride monomer,(b) pressurizing the reaction mixture with an ethylene pressure sufficient to provide the copolymer with a 5 to 35 wt% ethylene content,(c) initiating the reaction mixture by the addition of a free radical generating source and continuing polymerization until the rate of polymerization begins to decrease to provide a prepolymer emulsion, and(d) adding the remaining vinyl chloride at a substantially uniform rate and continuing polymerization until the polymerization reaction is no longer self-sustaining, ethylene being neither withdrawn nor added during the polymerization in one embodiment.
    • 一种制备稳定的氯乙烯基树脂乳液的方法,其包括胶体分散在水性介质中的共聚物,该共聚物具有0至50℃的Tg,约65至90重量%的氯乙烯,约5至35重量% %乙烯,0〜10重量%的烯属不饱和可共聚单体,通过在约3〜15重量%的聚乙烯醇作为分散剂的存在下,通过氯乙烯,乙烯和任选的烯属不饱和共聚单体的乳液聚合制备聚合方法 包括(a)形成含有基本上所有的聚乙烯醇和一部分,优选至少5%的总氯乙烯单体的水乳液反应混合物,(b)用足以提供共聚物的乙烯压力加压反应混合物, 乙烯含量为5至35重量%,(c)通过加入自由基产生源引发反应混合物并持续聚合直到速率 的聚合反应开始降低以提供预聚物乳液,和(d)以基本均匀的速率加入剩余的氯乙烯并继续聚合,直至聚合反应不再自我维持,乙烯在聚合反应过程中既不排出也不加入 实施例。
    • 6. 发明授权
    • Process for the polymerization of polymers of vinyl chloride
    • 氯乙烯聚合物聚合方法
    • US4659794A
    • 1987-04-21
    • US698274
    • 1985-02-05
    • Gilbert Sielfeld
    • Gilbert Sielfeld
    • C08F214/00C08F2/00C08F2/18C08F2/20C08F14/00C08F14/06C08F214/06C08F255/00C08F255/02
    • C08F14/06
    • A process for the production of polymers of vinyl chloride by suspension polymerization, uses as the suspension stabilizer either(A) a methylhydroxypropylcellulose with a methoxy substitution degree of 20-32%, a hydroxypropoxy substitution degree of 2-10%, and a viscosity of 30-70 mPa.s; and/or(B) a suspension agent combination consisting essentially of:(a) methylcellulose with a methoxy substitution degree of 22-34% and a viscosity of 7-20 mPa.s, and(b) methylcellulose with a methoxy substitution degree of 22-34% and a viscosity of 50 mPa.s-4,000 mPa.s and/or methylhydroxypropylcellulose with a methoxy substitution degree of 20-32%, a hydroxypropoxy substitution degree of 2-10%, and a viscosity of 100-3,000 mPa.s, and polymerizes in the presence of 0.4-8% by weight of an ethylene-vinyl acetate copolymer. The resultant polymers are suitable for lowering viscosity of polyvinyl chloride plastisols.
    • 通过悬浮聚合制备氯乙烯聚合物的方法,使用(A)甲氧基取代度为20-32%,羟丙氧基取代度为2-10%的甲基羟丙基纤维素作为悬浮稳定剂,和 30-70 mPa.s; 和/或(B)悬浮剂组合,其基本上由以下组成:(a)甲氧基取代度为22-34%,粘度为7-20mPa.s的甲基纤维素,和(b)甲氧基取代度为 22-34%,甲氧基取代度为20-32%,羟丙氧基取代度为2-10%,粘度为100-3,000mPa·s的粘度为50mPa.s-4000mPa.s和/或甲基羟丙基纤维素 并在0.4-8重量%的乙烯 - 乙酸乙烯酯共聚物存在下聚合。 所得聚合物适合降低聚氯乙烯增塑溶胶的粘度。