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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：US11407965B2
公开(公告)日：2022-08-09
申请号：US16632902
申请日：2018-07-10
Applicant: Dow Global Technologies LLC
Inventor： Xue Chen , Xin Jin , Liang Chen
Abstract: A detergent additive comprising an active, the active comprising one or both of tetraacetylethylenediamine or triacetylethylenediamine; and a copolymer having maleic anhydride-based repeat units and either or both of olefinic or styrenic-based repeat units; and wherein at least a portion of the maleic anhydride-based repeat units are neutralized.
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公开(公告)号：US20210301073A1
公开(公告)日：2021-09-30
申请号：US16092458
申请日：2017-11-09
Applicant: Dow Global Technologies LLC
Inventor： Robert R. Bills , Liang Chen , David L. Malotky , Jay D. Romick
IPC: C08G59/42 , C09D163/00 , C09D7/48
Abstract: The present invention provides aqueous compositions for making damage tolerant coatings comprising a blend of (i) from 2 to 30 wt. %, based on the total weight of solids in the composition, of an acid or anhydride functionalized polyolefin dispersion having an average particle size of from 0.2 to 5 microns, and (ii) a film forming dispersion of one or more epoxy resins chosen from epoxy resins having an epoxy equivalent weight (EEW) of from 150 to 4,000 having an average particle size of from 0.2 to 1.0 microns, wherein the polyolefin dispersion is stabilized with from 2 to 8 wt. %, based on the total weight of solids in the composition, one or more anionic surfactants, such as a sulfate containing surfactant, and, further wherein, the compositions have a pH of from 3 to 8.
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公开(公告)号：US10894916B2
公开(公告)日：2021-01-19
申请号：US16078778
申请日：2017-03-31
Inventor： Liang Chen , Jake Joo , Yuming Lai , Zhifeng Bai , Jessica Ye Huang , James C. Taylor
IPC: C09K11/02 , C09K11/06 , C09K11/88 , C09K11/77 , C09K11/89 , C09D4/06 , C08F220/20 , C09D133/06 , C08L33/14 , C08L35/02 , C08F222/10 , B82Y20/00 , B82Y40/00
Abstract: A polymer composite comprising quantum dots. The polymer composite comprises: (a) quantum dots; (b) a first polymer having a molecular weight from 1,000 to 100,000 and a solubility parameter from 12 to 17 (J/cm3)1/2; (c) a second polymer comprising polymerized units of a first compound comprising at least one readily polymerizable vinyl group and having a molecular weight from 72 to 500, wherein the second polymer has a solubility parameter from 16.5 to 20 (J/cm3)1/2; and (d) a third polymer comprising polymerized units of a second compound comprising at least two readily polymerizable vinyl groups and having a molecular weight from 72 to 2000; wherein the first polymer encapsulates the quantum dots; wherein a readily polymerizable vinyl group is part of a (meth)acrylate ester group or is attached directly to an aromatic ring.
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Patent Agency Ranking
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：US10442898B2
公开(公告)日：2019-10-15
申请号：US15766205
申请日：2016-08-02
Applicant: Dow Global Technologies LLC
Inventor： Liang Chen , Yinzhong Guo
IPC: C09D123/08 , C09J123/08 , C09J5/06 , C08J3/03
Abstract: A process for preparing a waterborne heat seal coating composition comprising the steps of: a) melt blending ethylene vinyl acetate copolymer, at least one tackifier, and optionally a surfactant in a mixing and conveying zone to form a melt blend; b) contacting the melt blend with an initial aqueous stream comprising a neutralizing agent, water, and optionally a surfactant in an emulsification zone to form a dispersion; and c) diluting the dispersion with water in a dilution zone to form the waterborne heat seal coating composition wherein the process is a continuous process, is disclosed.
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公开(公告)号：US20190085112A1
公开(公告)日：2019-03-21
申请号：US16078878
申请日：2017-05-12
Inventor： Zhifeng Bai , Jake Joo , James C. Taylor , Liang Chen , Valerity V. Ginzburg , Jessica Ye Huang , Christopher J. Tucker
IPC: C08F287/00 , C08F292/00
Abstract: A polymer resin comprising: (a) quantum dots, (b) a compound of formula (I) (I) wherein R1 is hydrogen or methyl and R2 is a C6-C20 aliphatic polycyclic substituent, and (c) a block or graft copolymer having Mn from 50,000 to 400,000 and comprising from 10 to 100 wt % polymerized units of styrene and from 0 to 90 wt % of a non-styrene block; wherein the non-styrene block has a van Krevelen solubility parameter from 15.0 to 17.5 (J/cm3)1/2.
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公开(公告)号：US20180066126A1
公开(公告)日：2018-03-08
申请号：US15561202
申请日：2015-03-30
Inventor： Minbiao Hu , Peng Gao , Chao Zhang , Daniel L. Dermody , Yang Liu , Tong Sun , Xiang Geng , Peter Trefonas, III , Michael E. Hus , Liang Chen , Zhuo Wang
CPC classification number: C08K9/06 , C08G77/80 , C08K3/22 , C08K3/2279 , C08K9/02 , C08K9/08 , C08K2003/0806 , C08K2003/2231 , C08L1/28 , C09D101/28 , G06F3/0414 , G06F3/045 , G06F2203/04103 , G06F2203/04104
Abstract: A transparent pressure sensing film is provided having a matrix polymer; and, a plurality of hybrid particles; wherein the plurality of hybrid particles are disposed in the matrix polymer; wherein each hybrid particle in the plurality of hybrid particles, comprises a plurality of primary particles bonded together with an inorganic binder; wherein an electrical resistivity of the transparent pressure sensing film is variable in response to an applied pressure having a z-component directed along the thickness of the transparent pressure sensing film such that the electrical resistivity is reduced in response to the z-component of the applied pressure.
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