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    DRILLING FLUID COMPOSITIONS COMPRISING DIBLOCK COPOLYMERS
    2.
    发明公开
    DRILLING FLUID COMPOSITIONS COMPRISING DIBLOCK COPOLYMERS 审中-公开

    公开(公告)号：EP3122815A4

    公开(公告)日：2017-10-18

    申请号：EP15770061

    申请日：2015-03-27

    申请人： KRATON POLYMERS US LLC

    发明人： MURPHY ERIN ,  BENING ROBERT

    IPC分类号： C08L9/06 ,  C08L25/16 ,  C09K8/32

    CPC分类号： C09K8/32 ,  C09K8/502 ,  C09K2208/00

    摘要： The invention relates to a selectively hydrogenated isoprene-styrene diblock copolymer having a polystyrene content of at least 40 wt. %, which when added to an oil-based mud composition, substantially reduces fluid loss. The polystyrene in the diblock has a true molecular weight greater than 60 kg/mole and the total apparent molecular weight of the diblock copolymer is at least 160 kg/mole. The drilling mud that contains about 0.5 pounds per barrel to about 10 pounds per barrel of a selectively hydrogenated isoprene-styrene diblock copolymer and a weighting agent, resulting in a drilling fluid composition exhibiting good suspension of the weighting agent and improved fluid loss performance.

    AN OLEFINICALLY UNSATURATED RADIAL STYRENIC BLOCK COPOLYMER AND AN IMPROVED VULCANIZER-FREE LATEX
    3.
    发明公开
    AN OLEFINICALLY UNSATURATED RADIAL STYRENIC BLOCK COPOLYMER AND AN IMPROVED VULCANIZER-FREE LATEX 有权
    OLEFINISCH UNGESTTGTES RADIALES STYROLBLOCKCOPOLYMER UND VERBESSERTER VULKANISATORFREIER LATEX

    公开(公告)号：EP3055355A4

    公开(公告)日：2017-06-21

    申请号：EP14852257

    申请日：2014-10-09

    申请人： KRATON POLYMERS US LLC

    发明人： DE JONG WOUTER ,  TROMP MAARTEN

    IPC分类号： C08F297/00 ,  C08F297/04 ,  C08K5/37 ,  C08K5/38 ,  C08K5/49

    CPC分类号： C08K5/375 ,  A41D19/01505 ,  C08F297/046 ,  C08K5/13 ,  C08K5/37 ,  C08K5/372 ,  C08K5/378 ,  C08K5/524 ,  Y10T428/31938 ,  C08L53/02

    摘要： The invention concerns an olefinically unsaturated radial styrenic block copolymer having the general formula A-B—Y—(B-A)n wherein each A is independently a polymer block composed of at least 90 mol. % of an alkenyl aromatic hydrocarbon, each B is independently a polymer block composed of at least 90 mol. % of one or more conjugated dienes, Y is the remnant of a coupling agent, and n is an integer from 2 to 5. The invention is also an improved vulcanizer-free latex comprising water and the olefinically unsaturated radial styrenic block copolymer. Moreover, the invention concerns a process for preparing articles by coagulation dipping from the improved latex and dipped goods made from such latex.

    摘要翻译： 本发明涉及具有通式A-B-Y-（B-A）n的烯属不饱和径向苯乙烯嵌段共聚物，其中每个A独立地为由至少90mol。 ％的链烯基芳烃，每个B独立地是由至少90mol。 Y是一种偶联剂的残余物，n是2-5的整数。本发明也是一种改进的不含硫化物的胶乳，其中含有水和烯属不饱和放射状苯乙烯嵌段共聚物。 此外，本发明涉及一种通过从改进的胶乳中浸渍凝固制备制品和由这种胶乳制成的浸渍制品的方法。

    PROCESS FOR THE PREPARATION OF AN AQUEOUS EMULSION OF A MIDBLOCK SULFONATED BLOCK COPOLYMER
    4.
    发明公开
    PROCESS FOR THE PREPARATION OF AN AQUEOUS EMULSION OF A MIDBLOCK SULFONATED BLOCK COPOLYMER 有权
    VERFAHREN ZUR HERSTELLUNG EINERWÄSSRIGENEMULSION EINES SULFONIERTEN MIDBLOCK-BLOCKCOPOLYMERS

    公开(公告)号：EP3126405A4

    公开(公告)日：2017-05-03

    申请号：EP15773616

    申请日：2015-04-01

    申请人： KRATON POLYMERS US LLC

    发明人： KRUTZER BERT ,  DE OUDE COEN

    IPC分类号： C08J3/07

    CPC分类号： C08J3/07 ,  C08J2353/00

    摘要： The present invention concerns aqueous emulsions and a process for preparing aqueous emulsions of a midblock sulfonated styrenic block copolymer comprising at least two non-sulfonated polymer end-blocks A and at least one sulfonated block B, comprising the steps of providing a cement of a midblock sulfonated styrenic block copolymer in the apolar solvent, mixing the cement with a co-solvent to form a mixture, emulsifying the mixture in the absence of a surfactant with water to produce an emulsion, and removing the hydrocarbon solvent and any optional co-solvent from the emulsion to produce the aqueous emulsion. The resulting emulsion of the midblock sulfonated styrenic block copolymer has relatively small particle diameters.

    摘要翻译： 本发明涉及水乳液和制备包含至少两种非磺化聚合物端嵌段A和至少一种磺化嵌段B的中嵌段磺化苯乙烯嵌段共聚物的含水乳液的方法，该方法包括以下步骤：提供中间嵌段 磺化苯乙烯嵌段共聚物在非极性溶剂中的混合物，将该混合物与共溶剂混合以形成混合物，在没有表面活性剂的情况下用水使该混合物乳化以产生乳液，并且将烃溶剂和任何任选的共溶剂从 该乳液生产水乳液。 所得的中嵌段磺化苯乙烯嵌段共聚物的乳液具有相对较小的粒径。

    ELASTIC FILM/FIBER FORMULATIONS
    8.
    发明公开
    ELASTIC FILM/FIBER FORMULATIONS 审中-公开
    柔性薄膜/纤维制剂

    公开(公告)号：EP2658922A1

    公开(公告)日：2013-11-06

    申请号：EP11854216.6

    申请日：2011-11-01

    申请人： Kraton Polymers US LLC ,  Kimberly-Clark Worldwide, Incorporated

    发明人： WRIGHT, Kathryn, J. ,  THOMAS, Oomman, P.

    IPC分类号： C08L53/00

    CPC分类号： C08L53/02 ,  C08L2205/02

    摘要： The present invention relates to elastic film formulations that have surprisingly high tensile strengths in addition to good viscosity stability and are based on a blend of two styrene block copolymers, namely, styrene-isoprene/butadiene-styrene and styrene- butadiene-styrene. The blend of these two styrenic block copolymers in the range set forth and described herein yield high tensile strength that is at least 50% higher than that of the prior art based styrenic block copolymers and have good viscosity stability. Moreover, the present invention relates to a blend of two different styrene block copolymers that can be made by dry blending the block copolymer components. Then the blend can be extruded into uncross-linked film, fiber, or plurality of fibers.

    THERMOFUSIBLE COMPOSITION FOR SLUSH MOULDING
    10.
    发明授权
    THERMOFUSIBLE COMPOSITION FOR SLUSH MOULDING 有权
    热熔组成FOR壳型铸造

    公开(公告)号：EP2406315B1

    公开(公告)日：2012-07-04

    申请号：EP11700281.6

    申请日：2011-01-17

    申请人： SO.F.TER.SPA ,  Kraton Polymers US LLC

    发明人： BELLOMO, Leonardo ,  CARFAGNINI, Alessandro ,  STOL, Marianne ,  VERVOORT, Freddy M.A.

    IPC分类号： C08L53/02 ,  B29C41/00 ,  B29C41/18

    CPC分类号： C08L53/025 ,  B29C41/003 ,  B29C41/18 ,  B29K2105/0085 ,  C08L23/10 ,  C08L23/20 ,  Y10T428/2982 ,  C08L2666/02 ,  C08L2666/06

    摘要： A thermofusible composition in the form of pellets and/or powder, with a particle size of 1400 μm or less comprising from about 40 to about 70 weight percent of a selectively hydrogenated styrenic block copolymer (HSBC), and from about 1 to about 30 weight percent of a butylene homopolymer, a butylene copolymer, or a combination of the butylene homopolymer and the copolymer, wherein the HSBC (i) is a linear or branched hydrogenated block copolymer having the general configuration A-B-A, (A-B)
    n , (A-B-A)
    n , (A-B-A)
    n X, (A-B)
    n X or mixtures thereof, where n is an integer from 2 to about 30, and X is coupling agent residue and wherein: a. prior to hydrogenation each A block is a mono alkenyl arene polymer block and each B block is a controlled distribution copolymer block of at least one conjugated diene and at least one mono alkenyl arene; b. subsequent to hydrogenation about 0-10% of the arene double bonds have been reduced, and at least about 90% of the conjugated diene double bonds have been reduced; c. each A block has a number average molecular weight from about 5.0 to about 7.5 kg/mol and, wherein the linear HSBC has a total number average molecular weight from about 70 to about 150 kg/mol and the branched HSBC has a total apparent number average molecular weight from about 35 to about 75 kg/mol per arm d. each B block comprises terminal regions adjacent to the A blocks that are rich in conjugated diene units and one or more regions not adjacent to the A blocks that are rich in mono alkenyl arene units; e. the total amount of mono alkenyl arene in the hydrogenated block copolymer is from about 20 to about 45 weight percent; f. the weight percent of mono alkenyl arene in each B block is from about 10 to about 40 weight percent; g. each B block has a styrene blockiness index of less than 10 percent; and h. the weight percent of vinyl in each B block is at least about 40 weight percent.