Copolymers and their use as drilling aids
    2.
    发明授权
    Copolymers and their use as drilling aids 有权
    共聚物及其作为钻井助剂的用途

    公开(公告)号:US06380137B1

    公开(公告)日:2002-04-30

    申请号:US09517487

    申请日:2000-03-02

    IPC分类号: C09K702

    摘要: The invention provides water-soluble copolymers without crosslinking, consisting of the following components: A 5-95% by weight of bivalent structural units derived from acrylamidopropenylmethylenesulfonic acid or its salts, B 1-45% by weight of bivalent structural units derived from open-chain N-vinylamides, C 1-45% by weight of bivalent structural units derived from cyclic N-vinyl-substituted amides, and if desired D 0-50% by weight of a further comonomer selected from the group consisting of acrylamide, acrylic acid and acrylonitrile, the components A to C and, if present, D adding up to 100% by weight.

    摘要翻译: 本发明提供不交联的水溶性共聚物,由以下组分组成:5-95重量%的衍生自丙烯酰胺基丙烯基甲基磺酸或其盐的二价结构单元,B 1-45重量%的衍生自开环的二价结构单元, 链状N-乙烯基酰胺,C 1-45重量%的衍生自环状N-乙烯基取代的酰胺的二价结构单元,如果需要,0-50重量%的另外的共聚单体,其选自丙烯酰胺,丙烯酸和 丙烯腈,组分A至C,如果存在,D加入至100重量%。

    WATER IN OIL EMULSION, METHOD FOR THE PRODUCTION THEREOF
    3.
    发明申请
    WATER IN OIL EMULSION, METHOD FOR THE PRODUCTION THEREOF 审中-公开
    油乳液中的水,其生产方法

    公开(公告)号:US20120088698A1

    公开(公告)日:2012-04-12

    申请号:US13376416

    申请日:2010-05-19

    IPC分类号: C09K8/12 C07D207/277

    摘要: The invention relates to inverse emulsions, comprising a) a hydrophobic liquid as a continuous phase, b) water as a disperse phase, and c) a compound of the formula (1), where R1 is a hydrocarbon group having between 6 and 30 C atoms or a group R5—O—X-M hydrogen, alkali metal, alkali earth metal, or an ammonia group, and where R5 is a hydrocarbon group having between 6 and 30 carbon atoms, X is C2-C6-alkylene or a poly(oxyalkylene) group of the formula, where l is a number between 1 and 50, m and n are numbers independent of l and of each other between 0 and 50, and R2, R3, R4 are independent of each other and is hydrogen, CH3, or CH2CH3, and Y is C2-C6-alkylene.

    摘要翻译: 本发明涉及反相乳液,其包括a)作为连续相的疏水性液体,b)作为分散相的水,和c)式(1)的化合物,其中R 1是具有6至30个碳原子的烃基 原子或基团R5-O-XM氢,碱金属,碱土金属或氨基,其中R5是具有6-30个碳原子的烃基,X是C2-C6-亚烷基或聚(氧化烯 )基团,其中l是1和50之间的数字,m和n是独立于1且彼此在0和50之间的数字,R2,R3,R4彼此独立并且是氢,CH3, 或CH 2 CH 3,Y是C 2 -C 6亚烷基。

    Thermally stable water-soluble polymer which is crosslinkable at high temperatures
    5.
    发明授权
    Thermally stable water-soluble polymer which is crosslinkable at high temperatures 有权
    在高温下可交联的热稳定的水溶性聚合物

    公开(公告)号:US07696304B2

    公开(公告)日:2010-04-13

    申请号:US11185181

    申请日:2005-07-20

    IPC分类号: C08G73/00

    摘要: The invention relates to a copolymer containing: i) 80-90% by weight of one or more structural units of the formula A, where R1 is hydrogen or methyl, R2 is C2-C10-alkylene, and Me+ is an ammonium or an alkali metal ion; ii) from 1 to 10% by weight of one or more structural units of the formula B where R3 and R4 are each independently hydrogen, methyl or ethyl; iii) from 1 to 10% by weight of one or more structural units of the formula C, where n is a number from 1 to 6; iv) from 0.1 to 5% by weight of structural units of the formula D where X is hydrogen, an ammonium ion or an alkali metal ion; and optionally, v) from 0 to 10% by weight of one or more structural units of the formula E, where R5 is hydrogen, methyl and/or ethyl, with the proviso that the content in the copolymers of structural units B) and C) is from 6 to 15% by weight.

    摘要翻译: 本发明涉及一种共聚物,其包含:i)80-90重量%的一种或多种式A的结构单元,其中R 1是氢或甲基,R 2是C 2 -C 10亚烷基,Me +是铵或碱 金属离子; ii)1至10重量%的一种或多种式B的结构单元,其中R 3和R 4各自独立地为氢,甲基或乙基; iii)1至10重量%的一种或多种式C的结构单元,其中n为1至6的数; iv)0.1至5重量%的式D结构单元,其中X为氢,铵离子或碱金属离子; 和任选地v)0至10重量%的一种或多种式E结构单元,其中R 5是氢,甲基和/或乙基,条件是结构单元B)和C的共聚物中的含量 )为6〜15重量%。

    Thermally stable water-soluble polymer which is crosslinkable at high temperatures
    6.
    发明申请
    Thermally stable water-soluble polymer which is crosslinkable at high temperatures 有权
    在高温下可交联的热稳定的水溶性聚合物

    公开(公告)号:US20060019835A1

    公开(公告)日:2006-01-26

    申请号:US11185181

    申请日:2005-07-20

    IPC分类号: C08G73/00

    摘要: The invention relates to a copolymer containing i) 80-90% by weight of one or more structural units of the formula A where R1 is hydrogen or methyl, R2 is C2-C10-alkylene, and Me+ is an ammonium or an alkali metal ion, ii) from 1 to 10% by weight of one or more structural units of the formula B where R3 and R4 are each independently hydrogen, methyl or ethyl, iii) from 1 to 10% by weight of one or more structural units of the formula C, where n is a number from 1 to 6 iv) from 0.1 to 5% by weight of structural units of the formula D where X is hydrogen, an ammonium ion or an alkali metal ion, and optionally v) from 0 to 10% by weight of one or more structural units of the formula E where R5 is hydrogen, methyl and/or ethyl, with the proviso that the content in the copolymers of structural units B) and C) is from 6 to 15% by weight.

    摘要翻译: 本发明涉及一种共聚物,其含有i)80-90重量%的一种或多种式A的结构单元,其中R 1是氢或甲基,R 2是 C 2 -C 10 - 亚烷基,Me +是铵或碱金属离子,ii)1至10重量% 的一种或多种式B的结构单元,其中R 3和R 4各自独立地为氢,甲基或乙基,iii)1至10重量%的一个 或更多结构单元,其中n是1至6的数量iv)0.1至5重量%的式D的结构单元,其中X为氢,铵离子或碱金属离子,以及任选地 v)0至10重量%的一种或多种式E的结构单元,其中R 5为氢,甲基和/或乙基,条件是结构单元的共聚物中的含量 B)和C)为6〜15重量%。