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公开(公告)号：US20230183469A1
公开(公告)日：2023-06-15
申请号：US17924263
申请日：2021-06-17
Applicant: Rohm and Haas Company , Dow Global Technologies LLC
Inventor： Pu Luo , Steven C. Brown , Matthew Carter , Liang Chen , Ralph C. Even , Junsi Gu , Miroslav Janco , Robert S. Moglia , Johnpeter N. Ngunjiri , Tanvi S. Ratani
IPC: C08L51/06 , C08F6/22 , C08F255/02 , C08L69/00
CPC classification number: C08L51/06 , C08F6/22 , C08F255/02 , C08L69/00 , C08L2207/53 , C08L2201/50
Abstract: A composite polymer composition comprising: the emulsion polymerization product of: (i) an aqueous polyolefin dispersion comprising the melt kneading product of one or more polyolefins, from 0.5 to 25 wt % of one or more dispersion stabilizing agents and water, and (ii) one or more (meth)acrylic monomers; wherein the one or more polyolefins have a Tg equal to or less than 50° C.; wherein the melt kneading product (i) comprises polymer particles having a volume average particle size between 50 nm and 2000 nm dispersed in the water; wherein the one or more dispersion stabilizing agents comprises a fatty acid or fatty acid salt stabilizing agent; and wherein the one or more (meth)acrylic monomers graft onto the polymer particles form composite polymer particles is provide. Also provided is a method of making the composition and impact modifiers comprising the composition.
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公开(公告)号：US11499040B2
公开(公告)日：2022-11-15
申请号：US16765938
申请日：2018-11-29
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Liang Chen , Andy Jun Li , Matthew Carter , Robert S. Moglia , Ralph C. Even , John F. Kohn , Carlos A. Cruz , Yannick Saint-Gerard , Douglas J. Hasso , Miroslav Janco
IPC: C08L23/08
Abstract: Provided is a dispersion of composite particles in an aqueous medium, wherein the composite particles comprise (I) a crosslinked polyolefin core, and (II) a full or partial shell comprising polymerized units of one of more vinyl monomers.
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公开(公告)号：US20200332098A1
公开(公告)日：2020-10-22
申请号：US16765938
申请日：2018-11-29
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Liang Chen , Andy Jun Li , Matthew Carter , Robert S. Moglia , Ralph C. Even , John F. Kohn , Carlos A. Cruz , Yannick Saint-Gerard , Douglas J. Hasso , Miroslav Janco
IPC: C08L23/08
Abstract: Provided is a dispersion of composite particles in an aqueous medium, wherein the composite particles comprise (I) a crosslinked polyolefin core, and (II) a full or partial shell comprising polymerized units of one of more vinyl monomers.
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公开(公告)号：US20200268619A1
公开(公告)日：2020-08-27
申请号：US16634320
申请日：2018-06-28
Applicant: Rohm and Haas Company , Dow Global Technologies LLC
Inventor： Wenjun Xu , Fanwen Zeng , Benjamin Yezer , Liang Chen , Dale C. Schmidt , Inna Shulman
Abstract: A suncare formulation comprising: a dermatologically acceptable organic carrier; a UV radiation absorbing agent; and an SPF booster; wherein the SPF booster comprises a multistage polymeric particle having a core comprising polymerized units of a monoethylenically unsaturated carboxylic acid core monomer and a non-ionic ethylenically unsaturated core monomer; an inner shell comprising polymerized units of a non-ionic ethylenically unsaturated inner shell monomer; a monoethylenically unsaturated carboxylic acid inner shell monomer and an aliphatic inner shell monomer; an outer shell comprising polymerized units of a non-ionic ethylenically unsaturated outer shell monomer; an aliphatic outer shell monomer; a monoethylenically unsaturated non-carboxylic acid outer shell monomer and an ethylenically unsaturated surfactant outer shell monomer; wherein the core, when dry, contains a void; wherein the multistage polymeric particle has an average particle size, when dry, of 50 to 1,000 nm.
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公开(公告)号：US12201710B2
公开(公告)日：2025-01-21
申请号：US17601111
申请日：2020-04-16
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Luqing Qi , Liang Chen , Lu Bai , Lyndsay M. Leal , David M. Meunier , Yunshen Chen , Fanwen Zeng
Abstract: A hydrophilic silica/polymer blend is provided comprising (a) a hydrophilic silica powder; and (b) a thickening polymer powder, comprising (i) structural units of C4-8 alkyl (meth)acrylate monomer; (ii) structural units of (meth)acrylic acid monomer; (iii) structural units of (methoxy) poly(ethylene glycol) (meth)acrylate monomer; and (iv) structural units of multiethylenically unsaturated monomer; wherein the weight ratio of hydrophilic silica powder to thickening polymer powder in the hydrophilic silica/polymer blend is 1:9 to 9:1. Also provided are personal care compositions containing same and methods of using same.
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Patent Agency Ranking
公开(公告)号：US20220160596A1
公开(公告)日：2022-05-26
申请号：US17601111
申请日：2020-04-16
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Luqing Qi , Liang Chen , Lu Bai , Lyndsay M. Leal , David M. Meunier , Yunshen Chen , Fanwen Zeng
Abstract: A hydrophilic silica/polymer blend is provided comprising (a) a hydrophilic silica powder; and (b) a thickening polymer powder, comprising (i) structural units of C4-8 alkyl (meth)acrylate monomer; (ii) structural units of (meth)acrylic acid monomer; (iii) structural units of (methoxy) poly(ethylene glycol) (meth)acrylate monomer; and (iv) structural units of multiethylenically unsaturated monomer; wherein the weight ratio of hydrophilic silica powder to thickening polymer powder in the hydrophilic silica/polymer blend is 1:9 to 9:1. Also provided are personal care compositions containing same and methods of using same.
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公开(公告)号：US20220151908A1
公开(公告)日：2022-05-19
申请号：US17440402
申请日：2020-04-16
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Luqing Qi , Liang Chen , Lu Bai , Lyndsay M. Leal , David M. Meunier , Yunshen Chen , Fanwen Zeng
Abstract: A polymer oil blend is provided comprising (a) a cosmetically acceptable long chain hydrophobic ester oil, wherein the cosmetically acceptable long chain hydrophobic ester oil comprises aliphatic C>12-24 alkyl triglycerides; (b) a thickening polymer powder, wherein the thickening polymer powder comprises: (i) 96 to 99.9 wt %, based on weight of the thickening polymer powder, of structural units of C4-8 alkyl (meth)acrylate monomer; (ii) 0.1 to 2 wt %, based on weight of the thickening polymer powder, of structural units of (meth)acrylic acid monomer; (iii) 0 to 2 wt %, based on weight of the thickening polymer powder, of structural units of multi-ethylenically unsaturated crosslinking monomer; and (c) a silica powder; and wherein the weight ratio of silica powder/thickening polymer powder is ≥0.25. Also provided are personal care compositions containing same and methods of using same.
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公开(公告)号：US20220142903A1
公开(公告)日：2022-05-12
申请号：US17434440
申请日：2020-04-16
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Luqing Qi , Liang Chen , Lu Bai , Lyndsay M. Leal , David M. Meunier , Yunshen Chen , Fanwen Zeng
Abstract: A polymer/hydrophilic silica blend is provided comprising (a) a thickening polymer powder, comprising (i) structural units of C4-8 alkyl (meth)acrylate monomer; (ii) structural units of (meth)acrylic acid monomer, and (iii) structural units of a specialized associative monomer of formula (I) wherein R1 is a linear saturated C10-20 alkyl group; and n is an average of 20 to 28; and (b) a hydrophilic silica powder; wherein the weight ratio of hydrophilic silica powder to thickening polymer powder in the polymer/hydrophilic silica blend is 1:9 to 9:1. Also provided are personal care compositions containing same and methods of using same.
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公开(公告)号：US11185477B2
公开(公告)日：2021-11-30
申请号：US16634635
申请日：2018-06-28
Applicant: Rohm and Haas Company , Dow Global Technologies LLC
Inventor： Wenjun Xu , Fanwen Zeng , Benjamin Yezer , Liang Chen , Dale C. Schmidt , Inna Shulman
Abstract: An SPF booster is provided, comprising: a multistage polymeric particle having a core comprising polymerized units of a monoethylenically unsaturated carboxylic acid core monomer and a non-ionic ethylenically unsaturated core monomer; an inner shell comprising polymerized units of a non-ionic ethylenically unsaturated inner shell monomer; a monoethylenically unsaturated carboxylic acid inner shell monomer and an aliphatic inner shell monomer; an outer shell comprising polymerized units of a non-ionic ethylenically unsaturated outer shell monomer; an aliphatic outer shell monomer; a monoethylenically unsaturated non-carboxylic acid outer shell monomer and an ethylenically unsaturated surfactant outer shell monomer; wherein the core, when dry, contains a void; and wherein the multistage polymeric particle has an average particle size, when dry, of 50 to 1,000 nm.
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公开(公告)号：US20200339789A1
公开(公告)日：2020-10-29
申请号：US16764890
申请日：2018-11-29
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Liang Chen , Robert S. Moglia , Carlos A. Cruz , Ralph C. Even , Jeffrey C. Munro , Jeffrey M. Cogen
IPC: C08L23/08 , C08L23/06 , C08F255/08 , C08K5/14
Abstract: Provided is a method of making a polymeric composition comprising (a) providing a dispersion of initial polyolefin particles in an aqueous medium, wherein the initial polyolefin particles comprise (i) one or more hydrocarbon polyolefin, (ii) one or more non-hydrocarbon polyolefin, and (iii) one or more crosslinking agent; (b) contacting the initial polyolefin particles with a peroxide initiator to form crosslinked polyolefin particles.
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