Patents Assigned to Kraton Polymers U.S. LLC
-
Patent number: 10927234Abstract: A plasticized PVC composition free of phthalate is disclosed. The composition comprises a tertiary diamide plasticizer prepared from biorenewable feedstock such as fatty acid selected from tall oil fatty acids, tall oil fatty acid monomers, fatty acids derived from tall oil fatty acid, and mixtures thereof. The tertiary diamide plasticizer is a reaction product of a reactant mixture comprising the fatty acid and one or more monocyclic diamines.Type: GrantFiled: January 17, 2019Date of Patent: February 23, 2021Assignee: Kraton Polymers U.S. LLCInventors: Xiangyun Wei, Jos H. M. Lange
-
Publication number: 20200399408Abstract: 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 has a structure ABi or iAB, wherein A is a monoalkenyl arene block, B is a conjugated diene block, and i is an isoprene attachment. The isoprene attachment i is substantially unsaturated and the conjugated diene block B is substantially saturated. The gel composition before curing exhibits thixotropic behavior, with a viscosity ranging from about 5000 mPa.s to about 30000 mPa.s. at 25° C. and a shear rate of 20 s?1.Type: ApplicationFiled: September 9, 2020Publication date: December 24, 2020Applicant: KRATON POLYMERS U.S. LLCInventors: Catherine A.L. Maris, Erin B. Murphy, Robert C. Bening, Xiangyun Wei, Xavier D. Muyldermans
-
Patent number: 10843401Abstract: A fuse molded modeling three dimensional article having areas of dissimilar or different hardness is described, wherein one of said areas is hard and is plastic, metal, glass, wood, concrete, rock, or mixtures thereof, and another of said areas is a less hard area comprising a controlled distribution hydrogenated styrenic block copolymer composition. Although the metal, glass, wood, concrete, and rock are not fuse moldable material, the plastic and the controlled distribution hydrogenated styrenic block copolymer composition are. Thus the scope of the invention is meant to include articles where only one area or layer of the article is fuse molded, or wherein both the hard area/layer and the soft area/layer is formed via a fuse molded technique.Type: GrantFiled: November 1, 2013Date of Patent: November 24, 2020Assignee: Kraton Polymers U.S. LLCInventor: Marcus Greger
-
Patent number: 10793720Abstract: 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: GrantFiled: March 20, 2018Date of Patent: October 6, 2020Assignee: Kraton Polymers U.S. LLCInventors: Sebastian Puchalski, Robert Q. Kluttz, Christopher Matthew Lubbers
-
Publication number: 20200276354Abstract: The invention relates to a hot melt adhesive composition that, when used as an elastic attachment adhesive (EAA), provides elastic laminates having an initial creep performance of less than 25%. The composition comprises a selectively hydrogenated, high vinyl block copolymer having the structure SEBS or (SEB)nX amorphous polyolefin such as polyethylene, polypropylene, butylene homopolymers and copolymers, or a mixture of two or more of these, tackifier, and maleated polypropylene oligomer or maleated SEBS.Type: ApplicationFiled: May 13, 2020Publication date: September 3, 2020Applicant: Kraton Polymers U.S. LLCInventor: Donn DUBOIS
-
Patent number: 10633567Abstract: An adhesive composition comprising: one or more block copolymers and one or more tackifying resins, wherein said one or more block copolymers comprise (i) one or more blocks of polymerized alkenyl arene monomer (A block), (ii) one or more blocks of polymerized conjugated diene monomer (B block), and optionally at least one low molecular weight (compared to B block) block of polymerized conjugated diene (C block), where the A, B, and C blocks can vary independent of each other with regard to composition and molecular weight.Type: GrantFiled: October 28, 2016Date of Patent: April 28, 2020Assignee: Kraton Polymers U.S. LLCInventor: Donn Dubois
-
Patent number: 10633465Abstract: Selectively hydrogenated block copolymers having semi-crystalline blocks hard blocks and copolymer soft blocks having a combination of excellent physical properties and solvent resistance have been discovered. The block copolymer comprises at least one A block of hydrogenated, polymerized 1,3-butadiene and at least one B block which is a random copolymer or a controlled distribution copolymer of conjugated diene and mono vinyl aromatic monomers in which the conjugated diene monomer units are selectively hydrogenated. Polar functionalized block embodiments of the block copolymers are also disclosed. Compositions comprising the block copolymer and articles made from the block copolymer have also been discovered. A method is disclosed which provides highly isotropic, high strength melt cast films of block copolymers.Type: GrantFiled: March 22, 2017Date of Patent: April 28, 2020Assignee: Kraton Polymers U.S. LLCInventors: John E. Flood, Carl L. Willis, Robert C. Bening, Hendrik De Groot, Xavier D. D. J. Muyldermans, David T. Williamson, Dale L. Handlin, Jr., Robert Dossett
-
Patent number: 10472502Abstract: 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: GrantFiled: December 30, 2016Date of Patent: November 12, 2019Assignee: Kraton Polymers U.S. LLCInventor: Wolfgang Pille-Wolf
-
Patent number: 10385156Abstract: 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: GrantFiled: June 29, 2017Date of Patent: August 20, 2019Assignee: Kraton Polymers U.S. LLCInventors: Yonghua Zhou, Ruidong Ding, Liqiang Ma
-
Patent number: 10307983Abstract: 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: GrantFiled: May 9, 2017Date of Patent: June 4, 2019Assignees: 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: 10287428Abstract: 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: GrantFiled: June 7, 2016Date of Patent: May 14, 2019Assignee: Kraton Polymers U.S. LLCInventors: Robert C. Bening, Erin Murphy, Carl L. Willis
-
Patent number: 10233323Abstract: 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: GrantFiled: March 7, 2013Date of Patent: March 19, 2019Assignee: Kraton Polymers U.S. LLCInventors: Carl Lesley Willis, Kuitian Tan
-
Patent number: 10208168Abstract: 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: GrantFiled: October 25, 2011Date of Patent: February 19, 2019Assignee: Kraton Polymers U.S. LLCInventor: Donn Dubois
-
Patent number: 10202494Abstract: 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: GrantFiled: October 14, 2016Date of Patent: February 12, 2019Assignee: Kraton Polymers U.S. LLCInventors: Adrie A. Van Der Huizen, Carl L. Willis, Marianne Stol, Xavier D. Muyldermans
-
Publication number: 20180265704Abstract: 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: ApplicationFiled: March 20, 2018Publication date: September 20, 2018Applicant: KRATON POLYMERS U.S. LLCInventors: Sebastian PUCHALSKI, Robert Q. KLUTTZ, Christopher Matthew LUBBERS
-
Publication number: 20180258277Abstract: 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: ApplicationFiled: March 9, 2018Publication date: September 13, 2018Applicant: KRATON POLYMERS U.S. LLCInventors: Catherine A.L. Maris, Erin B. Murphy, Robert C. Bening, Xiangyun Wei, Xavier D. Muyldermans
-
Patent number: 10066100Abstract: 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: GrantFiled: September 8, 2016Date of Patent: September 4, 2018Assignee: Kraton Polymers U.S. LLCInventor: Marcus Greger
-
Patent number: 10066097Abstract: 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: GrantFiled: September 23, 2011Date of Patent: September 4, 2018Assignee: Kraton Polymers U.S. LLCInventors: Leonardo Bellomo, Alessandro Carfagnini, Marianne Stol, Freddy Vervoort
-
Patent number: 10066098Abstract: 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: GrantFiled: September 16, 2016Date of Patent: September 4, 2018Assignee: Kraton Polymers U.S. LLCInventors: John E. Flood, Kathryn J. Wright, Xavier D. Muyldermans, Mike Heniff, Carl L. Willis, Yonghua Zhou, Aaron Brothers
-
Patent number: 10053609Abstract: 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: GrantFiled: June 7, 2016Date of Patent: August 21, 2018Assignee: Kraton Polymers U.S. LLCInventors: Robert C. Bening, Erin Murphy, Carl L. Willis