Patents Assigned to Kraton Polymers U.S. LLC
  • Patent number: 10472502
    Abstract: A process for the preparation of a shaped rubber composition comprising combining a rubber compound with an extender compound to produce a mixture; drying the mixture to produce a dried mixture; and shaping the mixture wherein the extender compound comprises a natural or hydrocarbon resin, which possesses a glass transition temperature of at equal to or greater than about ?70° C. and an acid value of 50 mg KOH/g or less and wherein the mixture is shaped into particles or bales.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: November 12, 2019
    Assignee: Kraton Polymers U.S. LLC
    Inventor: Wolfgang Pille-Wolf
  • Patent number: 10385156
    Abstract: Provided herein are improved performance high vinyl block copolymer compositions. The compositions may include a block copolymer and a polyolefin. The block copolymer may have a microstructure characterized by a vinyl content of equal to or greater than about 60%. The block copolymer may be a styrenic block copolymer. The polyolefin may include a polypropylene. Additional additives may be optionally added to the composition depending on the end-use application. The compositions may find utility in the preparation of various articles such as medical products including sterilized tubing, bags, and the like, films and injection molded articles.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: August 20, 2019
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Yonghua Zhou, Ruidong Ding, Liqiang Ma
  • Patent number: 10307983
    Abstract: Methods for forming a TPE-skinned composite include forming a skin layer having at least one surface and having a thermoplastic elastomer and an adhesive promoting agent; providing a foam layer; and forming the foam layer onto the said surface of the skin layer to form the TPE-skinned composite. Optional additives such as an organo-silane compound may be added to further improve the adhesion between the skin layer and the foam. The present disclosure also provides a TPE-skinned composite including a skin layer having a thermoplastic elastomer present in an amount of greater than 90 wt. %; and an adhesive promoting agent present in an amount of from 0.5 wt. % to 10 wt. % based upon the total weight of the skin layer.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: June 4, 2019
    Assignees: Kraton Polymers U.S. LLC, International Automotive Components Group North America, Inc.
    Inventors: Rose A. Ryntz, William J. Tansey, Matt Starling, Giachiano Bedogne, Freddy Vervoort
  • Patent number: 10287428
    Abstract: Provided herein is a composition containing a hydrogenated blend of a semi-crystalline, selectively hydrogenated block copolymer, a selectively diblock copolymers lacking semi-crystalline blocks, and a low polarity fluid for cable filling applications. The block copolymer comprises blocks of semi-crystalline hydrogenated polybutadiene, blocks of poly(mono alkenyl arenes), and blocks of hydrogenated, non-crystalline conjugated dienes. The diblock copolymer comprises blocks of poly(mono alkenyl arenes) and blocks of non-crystalline poly(conjugated diene(s)). The compositions can be converted to non-flowable gels and find application as fillers for cables such as fiber optic cables.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: May 14, 2019
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Robert C. Bening, Erin Murphy, Carl L. Willis
  • Patent number: 10233323
    Abstract: Blends comprising a sulfonated block copolymer and particulate carbon are useful materials for membranes, films and coatings in applications which require high dimensional stability, high water vapor transport, high conductivity, and low flammability. The sulfonated block copolymer comprises at least two polymer end blocks A and at least one polymer interior block B wherein each A block contains essentially no sulfonic acid or sulfonate functional groups and each B block is a polymer block containing from about 10 to about 100 mol percent sulfonic acid or sulfonate functional groups based on the number of monomer units of the B block.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: March 19, 2019
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Carl Lesley Willis, Kuitian Tan
  • Patent number: 10208168
    Abstract: The present disclosure relates to polyoxyalkyleneamine (“POA”) modified sulfonated block copolymers, their preparation and their use as emulsifiers as well as materials for flexible and pressure-adhesive membranes, films and coatings.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: February 19, 2019
    Assignee: Kraton Polymers U.S. LLC
    Inventor: Donn Dubois
  • Patent number: 10202494
    Abstract: Disclosed herein is a functionalized block copolymer comprising (a) at least one end block D comprising on average at least one amino- or phosphino-functionalized polymer unit of formula (I) and one or more additional blocks selected from the group consisting of (b) one or more A blocks substantially free of amino- or phosphino- functional groups and having a number average molecular weight of from about 1,000 to about 60,000, and has a high service temperature, and (c) one or more B blocks, wherein each block B is essentially non-functionalized, has a number average molecular weight of from about 1,000 to about 1,000,000, and has a glass transition temperature of at most about 20° C.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: February 12, 2019
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Adrie A. Van Der Huizen, Carl L. Willis, Marianne Stol, Xavier D. Muyldermans
  • Publication number: 20180265704
    Abstract: A method of forming a paving composition using reclaimed asphalt pavement (RAP) and/or reclaimed asphalt shingle (RAS) is provided. The method comprises: a) providing a rejuvenated asphalt binder consisting essentially of bitumen, a block copolymer and a bio-oil, wherein the rejuvenated asphalt binder has a rotational viscosity at 135° C. equal to or less than 1000 centipoise, an original G*/sin ? at 64° C. equal to or greater than 1 kPa where G* is the complex shear modulus and ? is the phase angle; a G*/sin ? at 64° C. equal to or greater than 2.2 kPa after aging in a Rolling Thin Film Oven (RTFO); b) providing a virgin asphalt; c) heating the virgin asphalt to 160-200° C.; d) providing a RAP and/or RAS; and e) mixing the heated virgin asphalt, RAP/RAS, and the rejuvenated asphalt binder under conditions suitable to form the paving composition.
    Type: Application
    Filed: March 20, 2018
    Publication date: September 20, 2018
    Applicant: KRATON POLYMERS U.S. LLC
    Inventors: Sebastian PUCHALSKI, Robert Q. KLUTTZ, Christopher Matthew LUBBERS
  • Publication number: 20180258277
    Abstract: A gel composition is herein disclosed. According to one embodiment, the composition comprises a (i) a styrenic block copolymer, (ii) an oil; and (iii) optional additives; wherein the styrenic block copolymer comprises: a diblock polymer having a monoalkenyl arene block, designated A, a conjugated diene block, designated B, an isoprene attachment, designated i, and wherein the styrenic block copolymer can have structure ABi or iAB; the isoprene attachment i is substantially unsaturated and the conjugated diene block B is substantially saturated. The gel composition before curing exhibits thixotropic behavior, and the gel composition after curing is either solid or has a viscosity at 25° C. at a shear rate of 20 s?1 of at least 30000 mPa·s.
    Type: Application
    Filed: March 9, 2018
    Publication date: September 13, 2018
    Applicant: KRATON POLYMERS U.S. LLC
    Inventors: Catherine A.L. Maris, Erin B. Murphy, Robert C. Bening, Xiangyun Wei, Xavier D. Muyldermans
  • Patent number: 10066098
    Abstract: This disclosure relates to a block copolymer composition comprising a tetra-branched block copolymer (IV) having a true number average molecular weight of 40,000 to 120,000 represented by the general formula (A-B)4X; a tri-branched block copolymer (III) having a true number average molecular weight of from 30,000 to 90,000 represented by the general formula (A-B)3X; di-branched block copolymer (II) having a true number average molecular weight of from 20,000 to 60,000 represented by the general formula (A-B)2X; and a linear diblock copolymer (I) having a true number average molecular weight of from 10,000 to 30,000 represented by the general formula A-B; where A represents a polymer block of a mono alkenyl arene; B represents a polymer block of a conjugated diene, wherein the B has a true number average molecular weight ranging from 7,000 to 20,000 g/mol; and X represents the residue of an alkoxy silane coupling agent.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: September 4, 2018
    Assignee: Kraton Polymers U.S. LLC
    Inventors: John E. Flood, Kathryn J. Wright, Xavier D. Muyldermans, Mike Heniff, Carl L. Willis, Yonghua Zhou, Aaron Brothers
  • Patent number: 10066100
    Abstract: A composition comprising (i) a controlled distribution styrenic block copolymer and (ii) a thermoplastic copolyester wherein the composition has a Shore A hardness of from about 50 to about 90 and a melt flow rate of from about 15 g/10 min. to about 50 g/10 min. as determined in accordance with ASTM D 1238.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: September 4, 2018
    Assignee: Kraton Polymers U.S. LLC
    Inventor: Marcus Greger
  • Patent number: 10066097
    Abstract: A thermofusible composition 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 butylenes copolymer, or a combination thereof, wherein the HSBC is: (i) 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; (ii) the weight percent of mono alkenyl arene in each B block is from about 10 to about 40 weight percent; (iii) each B block has a styrene blockiness index of less than 10 percent; and (iv) the weight percent of vinyl in each B block is at least about 40 weight percent.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: September 4, 2018
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Leonardo Bellomo, Alessandro Carfagnini, Marianne Stol, Freddy Vervoort
  • Patent number: 10053603
    Abstract: A block copolymer comprising: at least one monoalkenyl arene monomer polymer block (A) and copolymer block (B) containing myrcene, said copolymer block B also including: a) at least one conjugated diene monomer having a lower molecular weight than myrcene, or b) at least one monoalkenyl arene monomer, or c) a mixture of a) and b). The polymer block A may be a copolymer block. When the polymer block A is a copolymer block, both block A and the copolymer myrcene block copolymer B can have a random, tapered or a controlled distribution configuration of comonomers. The block copolymer can be selectively or exhaustively hydrogenated. The block copolymer may be used in making adhesives and vibration damping compositions.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: August 21, 2018
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Marianne Stol, Martine Dupont
  • Patent number: 10053609
    Abstract: Provided herein is a dispersion composition comprising a blend of a semi-crystalline, selectively hydrogenated block copolymer and a low polarity fluid for oilfield applications. The block copolymer comprises blocks of semi-crystalline hydrogenated polybutadiene, blocks of poly(mono alkenyl arenes), and blocks of hydrogenated, non-crystalline conjugated dienes. The dispersions can be converted to thixotropic fluids or cohesive gels and find application as insulating packer fluids, fluid loss pills, drilling fluids and completion fluids.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: August 21, 2018
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Robert C. Bening, Erin Murphy, Carl L. Willis
  • Patent number: 10047212
    Abstract: The present disclosure relates to a solid curable transparent rubber composition containing a styrenic block copolymer having 2 or more poly(vinyl aromatic) blocks, a curing agent and additives. Once cured, the solid curable transparent rubber composition has a haze of less than 30% and a total light transmission of more than 80%. The disclosure further relates to a cured transparent rubber composition made thereof, and a manufacturing process for the cured composition. The present disclosure also relates to an article including the rubber composition, in particular for tubes, medical stoppers, catheters, dental dams and other medical applications and artificial nipples.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: August 14, 2018
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Arie Willem Van Der Waal, Joris Smit
  • Patent number: 10047477
    Abstract: The current invention concerns a textile coating composition comprising an aqueous emulsion of a midblock sulfonated styrenic block copolymer and a poly(vinyl alcohol). It also concerns a method for preparing the textile coating composition and its application. It also concerns fabrics on which the coating compositions have been applied.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: August 14, 2018
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Richard Ivey Blackwell, Jr., Jacey Cegura, Hoa Pham, Kuitian Tan, Marc S. Sonderman
  • Patent number: 10022680
    Abstract: Selectively amino- or phosphino-functionalized block copolymers, and their preparation, for use as anion exchange membrane materials. The selectively functionalized block copolymers have at least two end blocks A each of which are substantially free of amino- or phosphino-functional groups, and have at least one interior block D which comprises on average at least one amino- or phosphino-functionalized polymer unit of formula (I) wherein Z is nitrogen or phosphorous; R1 is hydrogen or alkyl; R2 is hydrogen or is tertiary alkyl; R each independently, is hydrogen or is alkyl optionally substituted by a moiety -(A1-NRa)xRb; or two R groups, together with the Z to which they are bonded, form an optionally substituted ring; x is 1, 2 or 3; A1 is straight chain alkylene optionally substituted by one or more methyl and/or ethyl groups; and Ra and Rb, each independently, is hydrogen or alkyl; or a corresponding onium salt.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: July 17, 2018
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Carl Lesley Willis, Irwan Hidajat, Mike Heniff
  • Patent number: 10017611
    Abstract: The present invention provides an aqueous emulsion and a process for preparing an aqueous emulsion of a midblock sulfonated styrenic block copolymer comprising at least two non-sulfonated polymer end-blocks A and at least one 5 sulfonated block B comprising the steps of providing a cement of a midblock sulfonated styrenic block copolymer in a non-polar solvent wherein the non-polar solvent is a hydrocarbon compound comprising from 5 to 12 carbon atoms with a boiling point of less than 100 degree Celsius or mixture of such compounds, mixing the cement with a co-solvent to form a mixture, emulsifying the mixture optionally in the 10 presence of an emulsifier with water to produce an emulsion, and removing the hydrocarbon solvent and optionally the 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.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: July 10, 2018
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Bert Krutzer, Coen De Oude
  • Patent number: 9994694
    Abstract: 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.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: June 12, 2018
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Wouter De Jong, Maarten Tromp
  • Patent number: 9988500
    Abstract: 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.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: June 5, 2018
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Bert Krutzer, Coen De Oude