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    • 1. 发明授权
    • Tetrapolymers of N-vinyl pyrrolidone/acrylamide/salt of acrylic
acid/N-alkyl acrylamide
    • N-乙烯基吡咯烷酮/丙烯酰胺/丙烯酸/ N-烷基丙烯酰胺盐的四元共聚物
    • US4663408A
    • 1987-05-05
    • US814362
    • 1985-12-30
    • Donald N. SchulzEnock BerlucheJohn J. MaurerJan Bock
    • Donald N. SchulzEnock BerlucheJohn J. MaurerJan Bock
    • C08F8/12C09K8/12C09K8/588C08F20/06
    • C09K8/588C08F8/44C09K8/12
    • The present invention relates to improved viscosification agents for an aqueous or brine solutions. Typically, the viscosification agents are tetrapolymers of N-vinyl pyrrolidone/acrylamide/salt of acrylic acid/N-alkyl acrylamide wherein said tetrapolymers have the formula: ##STR1## wherein w is about 1 to about 80 mole percent, more preferably about 5 to about 75 mole percent, and most preferably about 10 to about 70 mole percent; x is about 10 to about 90 mole percent, more preferably about 20 to about 80 mole percent, and most preferably about 30 to about 70 mole percent; and y is about 0.1 to about 10.0 mole percent, more preferably about 0.15 to about 5.0 mole percent; and most preferably about 0.2 to about 3.0 mole percent; z is about 1.0 to about 30.0 mole percent, more preferably about 2.0 to about 25.0 mole percent, and most preferably about 5.0 to about 20.0 mole percent; R is an alkyl group having about 6 to about 30 carbon atoms, more preferably about 7 to about 20, and most preferably about 8 to about 18; and M is a cation selected from the group consisting of monovalent cations, preferably Na.sup.+, K.sup.+ or R.sub.4 N.sup.+.
    • 本发明涉及用于水溶液或盐水溶液的改进的增粘剂。 通常,增粘剂是N-乙烯基吡咯烷酮/丙烯酰胺/丙烯酸/ N-烷基丙烯酰胺盐的四元共聚物,其中所述四元共聚物具有下式:其中w为约1至约80摩尔%,更优选约5至 约75摩尔%,最优选约10至约70摩尔%; x为约10至约90摩尔%,更优选约20至约80摩尔%,最优选约30至约70摩尔% y为约0.1至约10.0摩尔%,更优选约0.15至约5.0摩尔%; 最优选约0.2至约3.0摩尔%; z为约1.0至约30.0摩尔%,更优选约2.0至约25.0摩尔%,最优选约5.0至约20.0摩尔% R是具有约6至约30个碳原子,更优选约7至约20,最优选约8至约18的烷基; 并且M是选自一价阳离子,优选Na +,K +或R 4 N +的阳离子。
    • 2. 发明授权
    • Novel acrylamide acrylate copolymers
    • 新型丙烯酰胺丙烯酸酯共聚物
    • US4792593A
    • 1988-12-20
    • US116893
    • 1987-11-05
    • Donald N. SchulzEnock BerlucheJohn J. MaurerJan Bock
    • Donald N. SchulzEnock BerlucheJohn J. MaurerJan Bock
    • C08F220/56C09K8/588C08F30/04
    • C09K8/588C08F220/56
    • A terpolymer having the formula: ##STR1## wherein R.sub.1 is selected from the group consisting of C.sub.1 to C.sub.20 alkyl groups, C.sub.6 to C.sub.20 aryl groups and C.sub.6 to C.sub.30 alkylaryl groups; R.sub.2 is hydrogen or methyl group, n is about 1 to 60; y is about 2.0 to about 35.0 mole %, and x is about 65.00 to about 98.00 mole %, z is about 0.1 to about 3.0 mole % and n is about 1 to about 60 and M is a metal cation selected from the group consisting of Groups IA, IIA, IB and IIB of the Periodic Table of Elements, wherein said terpolymer has an intri1sic viscosity of about 1 top about 25, wherein said terpolymer is formed by a free radical solution polymerization in the absence of a surfactant or emulsifier and comprises the polymerization of an acrylamide monomer, a metal acrylate monomer and an alkyl poly(etheroxy) acrylate monomer in the presence of a free radical initiation at a temperature of at least 5.degree. C. for at least 0.5 hours.
    • 具有下式的三元共聚物:其中R 1选自C 1至C 20烷基,C 6至C 20芳基和C 6至C 30烷基芳基; R2为氢或甲基,n为约1至60; y为约2.0至约35.0摩尔%,x为约65.00至约98.00摩尔%,z为约0.1至约3.0摩尔%,n为约1至约60,M为选自以下的金属阳离子 元素周期表的IA,IIA,IB和IIB族组分,其中所述三元共聚物具有约1个顶部约25的粘度,其中所述三元共聚物通过在不存在表面活性剂或乳化剂的情况下通过自由基溶液聚合形成,并且包括 丙烯酰胺单体,金属丙烯酸酯单体和烷基聚(乙烯基)丙烯酸酯单体在至少5℃的温度自由基引发存在下聚合至少0.5小时。
    • 6. 发明授权
    • Polymerization using late transition metal catalyst complexes formed in situ
    • 使用晚期形成的过渡金属催化剂复合物进行聚合
    • US06506859B1
    • 2003-01-14
    • US09642487
    • 2000-08-18
    • Abhimanyu O. PatilRobert T. StibranyStephen ZushmaEnock BerlucheDonald N. Schulz
    • Abhimanyu O. PatilRobert T. StibranyStephen ZushmaEnock BerlucheDonald N. Schulz
    • C08F442
    • C08F10/00C08F110/02C08F210/02C08F4/54C08F2500/03C08F220/12
    • The invention is directed towards the formation of polymers and copolymers using late transition metal polymerization catalyst complexes which are formed in situ. In the first process step of the instant invention, a composition having the formula MXZn is simultaneously contacted with a ligand and an activating cocatalyst. Referring to the formula, M is selected from the group consisting of Cu, Ag, and Au; X is selected from the group consisting of halides, hydride, triflate, acetates, borates, C1 through C12 alkyl, C1 through C12 alkoxy, C3 through C12 cycloalkyl, C3 through C12 cycloalkoxy, aryl, thiolates, carbon monoxide, cyanate, olefins, and any other moiety into which a monomer can insert; Z is selected from the group consisting of halides, hydride, triflate, acetates, borates, C1 through C12 alkyl, C1 through C12 alkoxy, C3 through C12 cycloalkyl, C3 through C12 cycloalkoxy, aryl, thiolates, carbon monoxide, cyanate, olefins, a neutral coordinating ligand, and any other moiety into which a monomer can insert; n equals 0, 1 or 2. In the second process step of the instant invention, olefinic monomers are contacted with the activated catalyst composition under polymerization conditions.
    • 本发明涉及使用在原位形成的后过渡金属聚合催化剂络合物形成聚合物和共聚物。 在本发明的第一工艺步骤中,具有式MXZn的组合物与配体和活化助催化剂同时接触。 参考式,M选自Cu,Ag和Au; X选自卤化物,氢化物,三氟甲磺酸盐,乙酸盐,硼酸盐,C1至C12烷基,C1至C12烷氧基,C3至C12环烷基,C3至C12环烷氧基,芳基,硫醇盐,一氧化碳,氰酸盐,烯烃和 单体可以插入的任何其他部分; Z选自卤化物,氢化物,三氟甲磺酸盐,乙酸盐,硼酸盐,C1至C12烷基,C1至C12烷氧基,C3至C12环烷基,C3至C12环烷氧基,芳基,硫醇盐,一氧化碳,氰酸盐,烯烃, 中性配位配体和单体可插入的任何其它部分; n等于0,1或2.在本发明的第二工艺步骤中,烯烃单体在聚合条件下与活化的催化剂组合物接触。