Patents by Inventor Adrie A. van der Huizen
Adrie A. van der Huizen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11859039Abstract: Branched block copolymers, derived from alkenyl aromatic hydrocarbon-1,3-diene monomer system, and branched polyisoprene homopolymers, derived from isoprene, are obtained by polymerization in the presence of an anionic initiator; at a temperature from 0° C. to 100° C.; followed by coupling with a multifunctional coupling agent of formula (R1O)3Si—Y—Si(OR2)3, wherein R1 and R2 are independently C1-C6 alkyl groups; and Y is a C2-C8 alkylene group. The polymers thus obtained can be used in many applications, including rubber cements having high solids content and low zero shear viscosities, and for producing aqueous latices therefrom.Type: GrantFiled: December 3, 2019Date of Patent: January 2, 2024Assignee: CARIFLEX PTE. LTD.Inventors: Adrie van der Huizen, Wouter de Jong, Henk van de Weg, Maarten Tromp, Laurens Engelen
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Publication number: 20220064355Abstract: Branched block copolymers, derived from alkenyl aromatic hydrocarbon-1,3-diene monomer system, and branched polyisoprene homopolymers, derived from isoprene, are obtained by polymerization in the presence of an anionic initiator; at a temperature from 0° C. to 100° C.; followed by coupling with a multifunctional coupling agent of formula (R1O)3Si—Y—Si(OR2)3, wherein R1 and R2 are independently C1-C6 alkyl groups; and Y is a C2-C8 alkylene group. The polymers thus obtained can be used in many applications, including rubber cements having high solids content and low zero shear viscosities, and for producing aqueous latices therefrom.Type: ApplicationFiled: December 3, 2019Publication date: March 3, 2022Applicant: Kraton Polymers LLCInventors: Adrie van der Huizen, Wouter de Jong, Henk van de Weg, Maarten Tromp, Laurens Engelen
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Publication number: 20220010126Abstract: The disclosure relates to rubber latex formed from any of: branched block copolymers derived from alkenyl aromatic hydrocarbon—1,3-diene monomer system, and branched polyisoprene homopolymers derived from isoprene. The polymers in embodiments are obtained by polymerization in the presence of an anionic initiator; at a temperature from 0° C. to 100° C.; followed by coupling with a multifunctional coupling agent of formula (R1O)3Si—Y—Si(OR2)3, wherein R1 and R2 are independently C1-C6 alkyl groups; and Y is a C2-C8 alkylene group. The polymers are obtained as rubber cements having high solids content and low zero shear viscosities. The rubber cements are valuable for making latices for further applications.Type: ApplicationFiled: December 3, 2019Publication date: January 13, 2022Inventors: Adrie VAN DER HUIZEN, Henk VAN DE WEG, Wouter DE JONG, Maarten TROMP
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Publication number: 20210403656Abstract: Dipped formed latex articles with improved properties are formed from branched block copolymers, derived from alkenyl aromatic hydrocarbon—1,3-diene monomer system, and branched polyisoprene homopolymers, derived from isoprene. The polymers are obtained by polymerization in the presence of an anionic initiator; at a temperature from 0° C. to 100° C.; followed by coupling with a multifunctional coupling agent of formula (R1O)3Si—Y—Si(OR2)3, wherein R1 and R2 are independently C1-C6 alkyl groups; and Y is a C2-C8 alkylene group. The polymers are obtained as rubber cements having high solids content and low zero shear viscosities. The rubber cements are valuable for making latices and latex articles such as dipped goods, e.g., condoms, gloves, etc., with improved properties.Type: ApplicationFiled: December 3, 2019Publication date: December 30, 2021Inventors: Adrie VAN DER HUIZEN, Henk VAN DE WEG, Wouter DE JONG, Maarten TROMP
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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
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Patent number: 9834625Abstract: 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: wherein Z is an amine; R1-R10 are each, independent of one another, H, an organic functional group or a terminal alkene, wherein at least one terminal alkene is on each benzene ring; m is an integer from 1 to 8.Type: GrantFiled: August 14, 2015Date of Patent: December 5, 2017Assignee: KRATON POLYMERS U.S. LLCInventors: Adrie A. Van Der Huizen, Carl L. Willis
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Publication number: 20170107332Abstract: 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: ApplicationFiled: October 14, 2016Publication date: April 20, 2017Applicant: KRATON POLYMER U.S. LLCInventors: ADRIE A. VAN DER HUIZEN, CARL L. WILLIS, MARIANNE STOL, XAVIER D. MUYLDERMANS
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Publication number: 20170044291Abstract: 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: wherein Z is an amine; R1-R10 are each, independent of one another, H, an organic functional group or a terminal alkene, wherein at least one terminal alkene is on each benzene ring; m is an integer from 1 to 8.Type: ApplicationFiled: August 14, 2015Publication date: February 16, 2017Applicant: KRATON POLYMERS U.S. LLCInventors: Adrie A. VAN DER HUIZEN, Carl L. WILLIS
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Patent number: 9364825Abstract: A functionalized block copolymer polymerized using vinylbenzylamino derivative monomers for use in such applications as anionic exchange membranes.Type: GrantFiled: June 9, 2015Date of Patent: June 14, 2016Assignee: Kraton Polymers U.S. LLCInventors: Carl L. Willis, Adrie A. van der Huizen
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Publication number: 20150290637Abstract: A functionalized block copolymer polymerized using vinylbenzylamino derivative monomers for use in such applications as anionic exchange membranes.Type: ApplicationFiled: June 9, 2015Publication date: October 15, 2015Applicant: KRATON POLYMERS U.S. LLCInventors: Carl L. Willis, Adrie A. van der Huizen
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Patent number: 9061254Abstract: A functionalized block copolymer polymerized using vinylbenzylamino derivative monomers for use in such applications as anionic exchange membranes.Type: GrantFiled: July 16, 2014Date of Patent: June 23, 2015Assignee: Kraton Polymers U.S. LLCInventors: Carl L. Willis, Adrie A. van der Huizen
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Publication number: 20140343177Abstract: A functionalized block copolymer polymerized using vinylbenzylamino derivative monomers for use in such applications as anionic exchange membranes.Type: ApplicationFiled: July 16, 2014Publication date: November 20, 2014Applicant: KRATON POLYMERS U.S. LLCInventors: Carl L. Willis, Adrie A. van der Huizen
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Patent number: 8648131Abstract: Accordingly, the invention provides a process for the preparation of an artificial latex, comprising the steps: (a) emulsification of a cement comprising a rubber dissolved in a suitable organic solvent, together with an aqueous surfactant solution, thus forming an oil-in-water emulsion; (b) step-wise reduction of the solvent content of the oil-in-water emulsion in two or more stages resulting in an artificial latex. In addition, the invention provides a continuous stirred vessel for removing an organic solvent from an oil-in-water emulsion comprising rubber dissolved in an organic solvent.Type: GrantFiled: July 6, 2009Date of Patent: February 11, 2014Assignee: Kraton Polymers U.S. LLCInventors: Arwin W. van der Waal, Marc S. Sonderman, Stephen W. Bourne, Adrie A. van der Huizen, Alexandre Rodrigues da Silva, David H. Brooks
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Patent number: 8163838Abstract: A process of producing an artificial latex, comprising the steps: (a) cement formation, wherein a rubber is dissolved in a suitable hydrocarbon solvent; (b) emulsification of the cement formed in step (a), together with an aqueous soap solution, thus forming an oil-in-water emulsion; (c) hydrocarbon solvent removal, resulting in a latex of the rubber having particles of a median particle size in the range of from about 0.5 to 2.0 ?m, and optionally (d) latex concentration, forming an artificial latex with a higher solids content, characterized in that in step (b) a premix is formed first, which is subsequently homogenized into an oil-in-water emulsion, and wherein the premix is formed by mixing the cement with the aqueous soap solution at a volume ratio of 1:1.Type: GrantFiled: December 18, 2007Date of Patent: April 24, 2012Assignee: Kraton Polymers US LLCInventors: Adrie A. Van Der Huizen, Marc S. Sonderman, Arwin W. Van Der Waal, Wouter De Jong, Anton Nicolai
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Publication number: 20110112217Abstract: Accordingly, the invention provides a process for the preparation of an artificial latex, comprising the steps: (a) emulsification of a cement comprising a rubber dissolved in a suitable organic solvent, together with an aqueous surfactant solution, thus forming an oil-in-water emulsion; (b) step-wise reduction of the solvent content of the oil-in-water emulsion in two or more stages resulting in an artificial latex. In addition, the invention provides a continuous stirred vessel for removing an organic solvent from an oil-in-water emulsion comprising rubber dissolved in an organic solvent.Type: ApplicationFiled: July 6, 2009Publication date: May 12, 2011Applicant: KRATON POLYMERS U.S. LLCInventors: Arwin W. van der Waal, Marc S. Sonderman, Stephen W. Bourne, Adrie A. van der Huizen, Alexandre Rodrigues da Silva, David H. Brooks
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Patent number: 7625979Abstract: Lithium-terminated polymers of one or more conjugated dienes and of one or more mono alkenyl arenes are coupled by reaction with an alkoxy silane coupling agent having the formula Rx—Si—(OR?)y, where x is 0 or 1, x+y=4, R and R? are the same or different, R is selected from aryl hydrocarbon radicals, linear alkyl hydrocarbon radicals and branched alkyl hydrocarbon radicals, and R? is selected from linear and branched alkyl hydrocarbon radicals, such that the resulting polymer composition contains less than about ten weight percent of uncoupled polymer diblock. The polymer compositions are subsequently selectively hydrogenated, and are useful in a variety of compounds and end use applications.Type: GrantFiled: June 4, 2003Date of Patent: December 1, 2009Assignee: Kraton Polymers U.S. LLCInventors: Harvey E. Atwood, Robert C. Bening, Mark Hageman, Dale L. Handlin, Jr., Adrie A van der Huizen, Kimberly A. Johnson, Carl L. Willis
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Publication number: 20090281211Abstract: A process of producing an artificial latex, comprising the steps: (a) cement formation, wherein a rubber is dissolved in a suitable hydrocarbon solvent; (b) emulsification of the cement formed in step (a), together with an aqueous soap solution, thus forming an oil-in-water emulsion; (c) hydrocarbon solvent removal, resulting in a latex of the rubber having particles of a median particle size in the range of from about 0.5 to 2.0 ?m, and optionally (d) latex concentration, forming an artificial latex with a higher solids content, characterized in that in step (b) a premix is formed first, which is subsequently homogenized into an oil-in-water emulsion, and wherein the premix is formed by mixing the cement with the aqueous soap solution at a volume ratio of 1:1.Type: ApplicationFiled: December 18, 2007Publication date: November 12, 2009Applicant: KRATON POLYMERS U.S. LLCInventors: Adrie A. Van Der Huizen, Marc S. Sonderman, Arwin W. Van Der Waal, Wouter De Jong, Anton Nicolai
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Publication number: 20090209698Abstract: A process for the preparation of an aqueous rubber emulsion (artificial latex), comprising the steps: (a) size reduction of the rubber, whereby granules are produces with shorter dissolving time; (b) cement formation, wherein the granules of step (a) are dissolved in a suitable hydrocarbon solvent; (c) preparation of an aqueous soap solution; (d) emulsification of the cement formed in step (b), using the aqueous soap solution prepared in step (c), thus forming an oil in water emulsion; (e) hydrocarbon solvent removal, resulting in an aqueous emulsion of the rubber, and optionally (f) emulsion concentration, forming an artificial latex with a higher solids content, wherein in step (a) the size reduction is carried out using a chopper and/or granulator characterized in that a soap is used as processing aid, preferably identical to the soap used in steps (c) and (d).Type: ApplicationFiled: March 26, 2007Publication date: August 20, 2009Applicant: KRATON POLYMERS U.S. LLCInventors: Adrie A. Van Der Huizen, Jean Furton, Arwin W. Van Der Waal
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Patent number: 7220798Abstract: Lithium-terminated polymers of one or more conjugated dienes and of one or more mono alkenyl arenes are coupled by reaction with an alkoxy silane coupling agent having the formula Rx—Si—(OR?)y, where x is 0 or 1, x+y=4, R and R? are the same or different, R is selected from aryl hydrocarbon radicals, linear alkyl hydrocarbon radicals and branched alkyl hydrocarbon radicals, and R? is selected from linear and branched alkyl hydrocarbon radicals, such that the resulting polymer composition contains less than about ten weight percent of uncoupled polymer diblock. The polymer compositions are subsequently selectively hydrogenated, and are useful in a variety of compounds and end use applications.Type: GrantFiled: February 28, 2005Date of Patent: May 22, 2007Assignee: Kraton Polymers US LLCInventors: Harvey E. Atwood, Robert C. Bening, Mark Hageman, Dale L. Handlin, Jr., Adrie A. van der Huizen, Kimberly A. Johnson, Carl L. Willis
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Publication number: 20050154144Abstract: Lithium-terminated polymers of one or more conjugated dienes and of one or more mono alkenyl arenes are coupled by reaction with an alkoxy silane coupling agent having the formula Rx—Si—(OR?)y, where x is 0 or 1, x+y=4, R and R? are the same or different, R is selected from aryl hydrocarbon radicals, linear alkyl hydrocarbon radicals and branched alkyl hydrocarbon radicals, and R? is selected from linear and branched alkyl hydrocarbon radicals, such that the resulting polymer composition contains less than about ten weight percent of uncoupled polymer diblock. The polymer compositions are subsequently selectively hydrogenated, and are useful in a variety of compounds and end use applications.Type: ApplicationFiled: February 28, 2005Publication date: July 14, 2005Applicant: KRATON Polymers U.S. LLCInventors: Harvey Atwood, Robert Bening, Mark Hageman, Dale Handlin, Adrie van der Huizen, Kimberly Johnson, Carl Willis