Shell Oil Comapny

Kraton Polymers U.S. LLC

Kraton Polymers LLC

Other

Stepan Company

Cornell University

Kraton Corporation

Kraton Polymer U.S. LLC

Kraton Polymers Research B.v.

Carl Lesley Willis

Dale Lee Handlin, Jr

Robert Charles Bening

Daniel Earl Goodwin

Lorelle A Pottick

David J St Clair

Scott Russell Trenor

Brian Douglas Mather

Lynn Henry Slaugh

Richard Gelles

John David Wilkey

William P Gergen

Kathryn J Wright

Craig A Stevens

Adrie A Van Der Huizen

Robert G Lutz

Michael John Modic

Harvey E Atwood

Hendrik De Groot

Larry L Sterna

Xavier Muyldermans

Robert Q Kluttz

Donn A DuBois

Donn Anthony Dubois

James R Erickson

Zaida Diaz

Thomas F Brownscombe

Gregory Paul Dado

Kimberly Ann Johnson

Glenn H Fredrickson

John E Flood

Steven H Dillman

David Thomas Williamson

Robert J Sutherland

Pierre Nazareth Tutunjian

John E Gorman

Erin B Murphy

Adriaan A Van Der Huizen

Pui Kwan Wong

Christopher Kemper Ober

David Romme Hansen

Thomas Carl Semple

Steven S Chin

Linda R Chamberlain

Lie K Djiauw

Grant W Haddix

Margaret Ann Burns Clawson

Steven Jon Weddle

Peter Taylor Murany

Norio Masuko

Kuitian Tan

Keith Eiden

David Karl Schisla

Mark Hageman

Peter Pasman

Mike Heniff

Tomomi Nishi

Joy P Cocchiara

Andres M Arismendi, Jr

Fred F Hage

Andy M Arismendi, Jr

Robert A Weiss

Michael Wayne Potter

Keith Edward Stephens

Martine Dupont

Michael K Martin

Hector Hernandez

Marianne Stol

Eric Johannes De Boer

Jaroslav G Balas

Charles Roy Donaho

Gert Joly

Sebastian Puchalski

Aaron Brothers

Steven Huynh

Craig Jonathan Weinman

Christopher Matthew Lubbers

David K Schisla

Barry B Moore

Adriaan Albert Van Der Huizen

Daewon Park

Lie Djiauw

Catherine Maris

Huan Yang

Erica Jellema

Irwan Hidajat

Xavier D D J Muyldermans

Eric J DeBoer

Walter M Halper

Yonghua Zhou

Richard I Blackwell

Marc D Hein

Fred Hendrik Van Der Steen

Dan E Goodwin

Michael F Conway

Vivek K Soni

Robert Dossett

Caroline R N Maes

Marinus Pieter Van Dijk

Adriana Maria Petronella Ros

Disclosed herein is a styrenic block copolymer [A1-B1-C1], consisting essentially of polymer blocks A1, B1 and C1. A1 is a poly(para-alkylstyrene) block having a molecular weight from 1,000 to 60,000 g/mol. B1 is a hydrogenated polyisoprene block or a hydrogenated polybutadiene block having a molecular weight from 1,000 to 100,000 g/mol. C1 is a polystyrene block having a molecular weight from 1,000 to 100,000 g/mol; or a polymer block consisting essentially of polymerized styrene units, and hydrogenated butadiene and/or isoprene units, and having a molecular weight from 1,000 to 100,000 g/mol. Prior to hydrogenation, the block B1 has a vinyl content of 5-75 mol %; and the block C1 forms 1-80 wt % of the overall weight of the block copolymer. The selectively sulfonated forms of the copolymers are useful as high dielectric materials.

Sulfonated block copolymers and uses thereof

Disclosed herein is a process for laminating a polar substrate with a film cast from a sulfonated block copolymer having at least one end block A and at least one interior block B wherein each A block contains essentially no sulfonic acid or sulfonate ester functional groups and each B block is a polymer block containing from about 10 to about 100 mol percent sulfonic acid or sulfonate ester functional groups based on the number of monomer units. The film is exposed to water and dried onto a polar or active metal substrate. The laminates do not delaminate in the presence of water, or in a humidity of up to 85%, and at a temperature of at least 60&#xb0; C. The laminates are used for a variety of applications including energy exchange applications.

Sulfonated block copolymer laminates with polar or active metal substrates

A coupled block copolymer composition with a combination of high viscosity at manufacturing, finishing and handling conditions, low viscosity at asphalt blending conditions and suitable viscosity stability is provided for use in asphalt compositions. The composition comprises: (i) a diblock copolymer, (ii) at least a linear triblock copolymer having a peak molecular weight that is 1.5 to 3.0 times the peak molecular weight of the diblock copolymer, and (iii) at least a multiarm coupled block copolymer having a peak molecular weight that is 1.5 to 9.0 times the peak molecular weight of the diblock copolymer, and mixtures thereof. The block copolymer composition is characterized as having a melt viscosity at 110&#xb0; C. or less of greater than 2.0E7 Poise and a coupling efficiency after 24 hours at 180&#xb0; C. is less than 25%.

Asphalt compositions and methods of making same

A styrenic triblock copolymer composition with a combination of excellent tensile strength and high melt index, excellent for manufacturing, finishing and handling, forming stable pellets, for use in applications including but not limited to adhesive, coating, and flexographic printing. The composition comprises a first block which is a polymer of a monoalkenyl arene; a second block which is polymer of a conjugated diene and a third block which is a polymer of a monoalkenyl arene wherein a peak molecular weight of the third block is from about 0.06 to about 0.4 times that of the first block.

Highly asymmetric triblock polymer compositions and methods of making same

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.

Block copolymers having semi-crystalline blocks and compositions and articles made therefrom

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.

Heat activated gels for cable filling applications

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.

Blends of sulfonated block copolymers and particulate carbon and membranes, films, and coatings comprising them

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) 

Block copolymers having amine or phosphine functionalized end blocks

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.

Styrenic block copolymer compositions

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.

Styrenic block copolymers as thermally-activated viscosifiers for oilfield applications

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) 

Anion exchange block copolymers, their manufacture and their use

Described herein are modified sulfonated block copolymers which comprise 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 comprises sulfonation susceptible monomer units and, based on the number of the sulfonation susceptible monomer units, from about 10 to about 100 mol % of a functional group of formula (I)&#x2014;SO&#x2014;NRR&#x2003;&#x2003;(I)or of a salt thereof, methods of making them as well as methods of using them, e.g., as membrane materials for electrically or osmotically driven applications.

Modified sulfonated block copolymers and the preparation thereof

A coupling agent having at least two alkenylbenzene groups each covalently bonded with a nitrogen of an amine compound. The coupling agent can have the structure I: 

Amine-containing polyalkenyl coupling agents and polymers prepared therefrom

Improved methods for preparing sulfonated block polymers with acyl sulfates in non-halogenated aliphatic solvents are provided. The methods include the sulfonation of a precursor block polymer with an acyl sulfate in a reaction mixture further comprising at least one non-halogenated aliphatic solvent to form a sulfonated block polymer, wherein the initial concentration of the precursor block polymer is in the range of from about 0.1 wt % to a concentration that is below the limiting concentration of the precursor block polymer based on the total weight of the reaction mixture. A sulfonation degree of greater than about 1.0 milliequivalent sulfonic acid per gram sulfonated block polymer can be achieved substantially free of polymer precipitation and free of disabling gelation.

Method of sulfonation of block polymers

A functionalized block copolymer polymerized using vinylbenzylamino derivative monomers for use in such applications as anionic exchange membranes.

Block copolymers, their manufacture and their use

Growing community of inventors

Houston, TX, United States of America

Carl Lesley Willis