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    • 6. 发明授权
    • Water-soluble copolymers useful in drilling fluids
    • 用于钻井液的水溶性共聚物
    • US5510436A
    • 1996-04-23
    • US260037
    • 1994-06-15
    • Martin HilleHeinz WittkusJurgen TonhauserFritz EngelhardtUlrich Riegel
    • Martin HilleHeinz WittkusJurgen TonhauserFritz EngelhardtUlrich Riegel
    • C04B24/16C08F20/52C08F26/02C08F26/10C08F220/58C08F226/04C08F226/10C08L33/24C08L33/26C08L39/00C08L39/02C09D17/00C09K8/04C09K8/24C09K8/46C09K8/487C08F228/02
    • C04B24/163C04B24/16C04B24/2652C08F220/58C08F226/04C09D17/001C09K8/24C09K8/46C09K8/487
    • The water-soluble copolymer comprises 5-90% by weight of groups of the formula ##STR1## in which R.sup.1 is hydrogen or methyl, R.sup.2 is C.sub.2 -C.sub.10 -alkylene, and Me is ammonium or an alkali metal, 5-90% by weight of groups of the formula--CH.dbd.CH--CH.sub.2 --N.sup.+ R.sup.3 R.sup.4 --CH.sub.2 --CH.dbd.CH-- X.sup.- IIin which X is a halogen, R.sup.3 and R.sup.4, independently of one another, are C.sub.1 -C.sub.6 -alkyl, 0-60% by weight of groups of the formula ##STR2## in which R.sup.5 and R.sup.6 together are a propylene group which with inclusion of the radical ##STR3## forms a pyrrolidone radical, and 0-30% by weight of groups of the formula--CHR.sup.7 --CHR.sup.8 -- IVin which R.sup.7 is hydrogen or methyl and R.sup.8 is CONH.sub.2, CON(CH.sub.3).sub.2, cyano, SO.sub.3 H, SO.sub.3 Me, C.sub.6 H.sub.4 SO.sub.3 H, C.sub.6 H.sub.4 SO.sub.3 Me, CH.sub.2 SO.sub.3 H, CH.sub.2 SO.sub.3 Me, COOH, COOMe, or carboxy-C.sub.1 -C.sub.15 --alkyl, and Me is an ammonium cation or an alkali metal cation, and the order of components I to IV can be as desired.The copolymer is used as water-binding additive for suspensions of solids, preferably for cement slurries, gypsum slurries, mortars, drilling muds or pigment suspensions, or as water-binding additive for aqueous salt solutions.
    • 水溶性共聚物包含5-90重量%的式I的基团,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,5-90% 的式-CH = CH-CH 2 -N + R 3 -CH 4 -CH = CH-X-II的基团,其中X是卤素,R 3和R 4彼此独立地是C 1 -C 6 - 烷基, 0-60重量%的其中R 5和R 6一起是含有基团“IMAGE”的丙烯基团的式“IMAGE”III形成吡咯烷酮基团,和0-30重量%的 其中R 7是氢或甲基,R 8是CONH 2,CON(CH 3)2,氰基,SO 3 H,SO 3 Me,C 6 H 4 SO 3 H,C 6 H 4 SO 3 Me,CH 2 SO 3 H,CH 2 SO 3 Me,COOH,COOMe或羧基-C 1 -C 15 - 烷基,Me是铵阳离子或碱金属阳离子,组分I至IV的顺序可以根据需要进行。 该共聚物用作固体悬浮液的水结合添加剂,优选用于水泥浆料,石膏浆料,砂浆,钻井泥浆或颜料悬浮液,或作为盐水溶液的水结合添加剂。
    • 9. 发明授权
    • Use of a water-soluble copolymers based on acrylamidoalkylenesulfonic
acid as a detergent additive
    • 使用基于丙烯酰氨基烷基磺酸的水溶性共聚物作为洗涤剂添加剂
    • US5607618A
    • 1997-03-04
    • US109229
    • 1993-08-19
    • Werner AntwerpenMartin HilleGerd Reinhardt
    • Werner AntwerpenMartin HilleGerd Reinhardt
    • C11D3/00C11D3/37C11D1/18
    • C11D3/378C11D3/0021
    • The present invention relates to the the use of water-soluble copolymers based on acrylamidoalkylenesulfonic acid, vinylacetamide and, if appropriate, other monomers, comprising5-90% by weight of structural units of the formula ##STR1## in which R.sup.1 is hydrogen or methyl,R.sup.2 is C.sub.2 -C.sub.10 -alkylene, preferably C.sub.2 -C.sub.6 -alkylene, particularly preferably C.sub.4 -alkylene, andMe is ammonium or an alkali metal ion,5-95% by weight of structural units of the formula ##STR2## in which R.sup.3 and R.sup.4 independently of one another are hydrogen, methyl or ethyl, or R.sup.3 and R.sup.4 together are a propylene group which, including a radical ##STR3## form a pyrrolidone radical, 0-90% by weight of structural units of the formula ##STR4## in which X is a halogen, preferably chloride,R.sup.5 and R.sup.6 independently of one another are C.sub.1 -C.sub.6 -alkyl, prefrably C.sub.1 -C.sub.3 -alkyl, in particular methyl or ethyl, and0-90% by weight of structural units of the formula --CHR.sup.7 -CHR.sup.8 --in whichR.sup.7 is hydrogen or methyl andR.sup.8 is CONH.sub.2, CON(CH.sub.3).sub.2, cyano, SO.sub.3 H, SO.sub.3 Me, C.sub.6 H.sub.4 SO.sub.3 H, C.sub.6 H.sub.4 SO.sub.3 Me, CH.sub.2 SO.sub.3 H, CH.sub.2 SO.sub.3 Mr, COOH, COOMe or an ester group COOR, in which R is C.sub.1 -C.sub.15 -alkyl, preferably C.sub.1 -C.sub.8 -alkyl,as a detergent additive for preventing reabsorption of detached dyestuffs and dyestuff degradation products.
    • 本发明涉及使用基于丙烯酰氨基烷基磺酸,乙烯基乙酰胺和适当的其它单体的水溶性共聚物,其包含5-90重量%的式(I)的结构单元,其中R 1是 氢或甲基,R 2是C 2 -C 10亚烷基,优选C 2 -C 6亚烷基,特别优选C 4亚烷基,Me是铵或碱金属离子,5-95重量%下式结构单元: (II),其中R 3和R 4彼此独立地是氢,甲基或乙基,或者R 3和R 4一起是丙烯基团,其包括基团形成吡咯烷酮基团,0-90重量%的结构单元 其中X是卤素,优选氯,R 5和R 6彼此独立的式(III)的化合物是C 1 -C 6烷基,优选C 1 -C 3 - 烷基,特别是甲基或乙基,以及0-90 重量%的式-CHR7-CHR8的结构单元,其中R 7是氢或甲基,R 8是CONH 2,CON(CH 3)2,氰基,SO 3 H,SO 3 Me,C 6 H 4 SO 3 H,C 6 H 4 SO 3 Me,CH 2 SO 3 H,CH 2 SO 3 Mr,COOH,COOMe或酯基COOR,其中R是C 1 -C 15烷基,优选C 1 -C 8烷基, 分离染料和染料降解产物的再吸收。