Abstract: Stain-blocking polymers, as well as primers, kits, and methods that include such polymers, wherein the stain-blocking polymer is an emulsion latex polymer including interpolymerized monomers including: at least 1 wt-%, based on the total weight of the interpolymerized monomers, of one or more acrylic acid ester monomers of Formula (I): RO—C(O)—CH?CH2 wherein: R is a branched alkyl group having a tertiary carbon atom, a cycloaliphatic group, or a combination thereof; optionally, one or more (meth)acrylate monomers selected from n-butyl (meth)acrylate, ethylhexyl (meth)acrylate, methyl (meth)acrylate, and combinations thereof; optionally, one or more wet adhesion monomers; and optionally, styrene; and wherein the stain-blocking primer includes at least 10 wt-%, based on the total nonvolatile weight of the primer, of the emulsion latex polymer; an aqueous carrier; and optionally, one or more additives selected from a surfactant, thickener, coalescent, biocide, mildewcide, colorant, and combinations thereof.
Abstract: The present invention is directed to a coating composition or paint comprising a multistage latex with at least first and second stages, wherein the composition or paint is substantially free of volatile organic compounds (VOC) and capable of film formation even in the absence of coalescent agents. The base paint formulation is capable of being tinted at a point-of-sale (i.e. in-store) using a colorant composition of a type and quantity required to produce a paint of desired color and finish. The paints, show improved block resistance, scrub resistance and tack resistance. Rheological techniques as described herein may be used to determine tack resistance, print resistance, and other performance characteristics.
Type:
Grant
Filed:
August 31, 2021
Date of Patent:
May 16, 2023
Inventors:
Tessie Rose Ewert, Tyler Bell, Robert Sandoval, Mary Jane Hibben
Abstract: Provided is a resin composition for producing a coating composition excellent in appearance, abrasion resistance, and hardness of a coating film. The resin composition of the present invention includes a compound A having a branched structure which has a terminal hydroxyl group, a polyisocyanate B, and an inorganic particle C, in which the inorganic particle C has a functional group enabling reacting with a hydroxyl group or an isocyanate group on a surface thereof.
Abstract: Disclosed herein is an aqueous latex composition comprising latex particles dispersed in an aqueous solution, wherein the latex particles are polymerized from at least one acrylic monomer in a substantially solvent-free, waterborne environment, and a 2-oxazoline compound is incorporated onto the latex particles. The 2-oxazoline compound has the following structure: The 2-oxazoline compound is present from about 1 wt. % to about 5 wt. %. The 2-oxazoline may be grafted onto the latex particles. R1 moiety may be free of an acyclic organic radical having addition polymerizable unsaturation moiety. The aqueous latex composition may also comprises an acid monomer.
Type:
Grant
Filed:
May 21, 2019
Date of Patent:
May 2, 2023
Assignee:
Columbia Insurance Company
Inventors:
Rogina Saad, Richard Geurtsen, Yong Yang, Wilbur Mardis
Abstract: A pretreatment liquid for water-based pigment textile printing is disclosed, which includes: 1 wt % to 30 wt % of aqueous non-ionic polyurethane; 1 wt % to 20 wt % of a metal salt; 0.1 wt % to 10 wt % of a melamine resin; and the balance being a solvent. A method for forming a pattern on a textile using the aforesaid pretreatment liquid is also disclosed.
Type:
Grant
Filed:
April 10, 2020
Date of Patent:
May 2, 2023
Assignee:
EVERLIGHT CHEMICAL INDUSTRIAL CORPORATION
Abstract: Provided is a rubber-containing graft polymer which is excellent in mechanical strength such as weld strength or impact strength, required as a rubber-containing graft polymer. A rubber-containing graft polymer (A) of the present invention is a rubber-containing graft polymer having a graft chain, in which when the rubber-containing graft polymer is mixed with an organic solvent and separated into an organic solvent insoluble component and an organic solvent soluble component, a caprolactone unit is contained in a graft chain contained in the organic solvent insoluble component.
Abstract: A biocide- and ammonia-free aqueous polymer dispersion is obtained by radically initiated multi-stage emulsion polymerization and comprising particles comprising at least a first polymer phase formed from a monomer composition I and a second polymer phase from a different monomer composition II. The first polymer phase has a glass transition temperature below 20° C., and the second polymer phase has a glass transition temperature above 20° C., both as determined by differential scanning calorimetry according to ISO 16805. The polymer dispersion further comprises at least one water-soluble alkali metal silicate, at least one water-soluble alkali metal or alkaline earth metal alkyl siliconate, or a mixture thereof and has a pH of 10.0 or higher.
Abstract: The present disclosure relates to a clay-polyacrylate composite comprising layers of clay intercalated with polyacrylate, wherein the layers of clay comprises at least one organosilane coupling agent comprising an acrylate moiety; and wherein the polyacrylate comprises a first acrylate monomer and a second acrylate monomer having different solubility. A surfactant-free method of synthesizing the said clay-polyacrylate composite and a method for coating are also provided. In a preferred embodiment, the first acrylate monomer is a hydrophilic acrylate monomer, e.g. 2-hydroxyethyl acrylate, and the second acrylate monomer is a hydrophobic acrylate monomer, e.g. 2-ethylhexyl acrylate. The clay-acrylate composite can be used for forming a barrier coating, which exhibits low water and low oxygen permeability.
Type:
Grant
Filed:
March 14, 2018
Date of Patent:
March 7, 2023
Assignee:
Agency for Science, Technology and Research
Inventors:
Xu Li, Yu Zhang, Ming Yan Tan, Siew Yee Wong, Xi Kui Zhang
Abstract: The invention relates to an efficient process for the preparation and isolation of rubber particles formed in aqueous media and highly pure rubbers obtained thereby. The invention further relates to copolymer products comprising the same or derived therefrom.
Abstract: The present disclosure relates to the technical field of pigment dispersing agents, and provides an acrylate comb dispersing agent and a preparation method and use thereof, and a white ink-jet color paste and a preparation method thereof. The dispersing agent provided by the present disclosure is similar to a comb in structure and is synthesized from a hydrophobic monomer (comb handle) and a hydrophilic macromonomer (comb teeth). The acrylate comb dispersing agent provided by the present disclosure is good in dispersity, capable of stably dispersing titanium dioxide, relatively low in molecular weight and capable of meeting the requirements of ink-jet ink. The white ink-jet color paste provided by the present disclosure is strong in stability and low in viscosity, is not easy to settle and flocculate, and meets the requirements of the ink-jet ink.
Type:
Grant
Filed:
January 13, 2021
Date of Patent:
February 7, 2023
Assignee:
Zhuhai Trendvision New Materials Co., Ltd.
Inventors:
Yun-chieh Chang, Guojing Wei, Xiangmei Tao
Abstract: A method of forming a particle includes, in a disperse phase within an aqueous suspension, polymerizing a plurality of mer units of a hydrophilic monomer having a hydrophobic protection group, thereby forming a polymeric particle including a plurality of the hydrophobic protection groups. The method further includes converting the polymeric particle to a hydrophilic particle.
Type:
Grant
Filed:
February 2, 2021
Date of Patent:
February 7, 2023
Assignees:
LIFE TECHNOLOGIES CORPORATION, LIFE TECHNOLOGIES AS
Inventors:
Geir Fonnum, Grete Irene Modahl, Nini Hofsloekken Kjus, Astrid Evenroed Molteberg, Diem Thuy Thi Tran, Jo Aaserud, M. Talha Gokmen, Steven M. Menchen, Carl Fuller, Luisa Andruzzi, Wolfgang Hinz
Abstract: Provided is a graft copolymer and a treatment method which give excellent antifouling property to a substrate, especially a carpet. The graft copolymer has a trunk polymer having a hydroxyl group; and a branch having a C7-40 hydrocarbon group bonded to the trunk polymer at a carbon atom substituted with the hydroxyl group, wherein the branch has a repeating unit formed from an acrylic monomer represented by the formula: CH2?C(—X)—C(?O)—Y1—Z(—Y2—R)n. The treatment method include applying the graft copolymer to the substrate.
Abstract: An object of the present invention is to provide a coating composition capable of forming a coating film which can maintain its appearance and gloss over a long period and which has high film hardness and high flexibility and exhibits excellent adhesion with respect to an epoxy resin anticorrosive coating film. An acrylic polysiloxane resin coating composition of the invention includes (A) a silicone resin, (B) a compound having one or more functional groups capable of undergoing Michael addition reaction with an unsaturated double bond in an acryloyloxy group, and having one or more alkoxy groups bonded to silicon, (C) a trifunctional or polyfunctional aliphatic urethane acrylate oligomer having a cyclic structure, and (D) a bifunctional acrylate monomer having no ether structures (except an ether structure in an acryloyloxy group) and no aromatic rings, the mass ratio of the total amount of (A) and (B) to the total amount of any acrylate oligomer(s) and any acrylate monomer(s) being 40:60 to 70:30.
Abstract: The silicone emulsion composition for forming a rubber coating film according to the present invention, including (A) an organopolysiloxane having at least two hydroxyl groups bonded to silicon atoms at terminal ends of the molecule in each molecule thereof, (B) an aminoalkyltrialkoxysilane represented by formula (1) (where R1 through R3 represent H or a univalent hydrocarbon group, R4 and R5 represent divalent hydrocarbon groups, R6 represents a univalent hydrocarbon group, and n is an integer 0 to 6), (C) a vinyltrialkoxysilane represented by formula (2): CH2?CHSi(OR7)3 (where R7 represents a univalent hydrocarbon group), (D) a surfactant, and (E) water and not containing an organic tin compound, is free of problems with storage stability or byproducts, and a rubber coating film can be formed thereby in a short time without the use of an organic tin compound.
Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance, light resistance and chemical resistance, an article having a surface layer, and a method for producing it. A fluorinated ether compound represented by A-O—(Rf1O)m—Rf2-Z1-Q1 (R1)b, wherein A is a C1-20 perfluoroalkyl group, Rf1 is a linear fluoroalkylene group, m is an integer of from 2 to 500, Rf2 is a linear fluoroalkylene group, Z1 is a single bond, —(CR2R3)c— (wherein R2 and R3 are a hydrogen atom, a C1-6 monovalent organic group or the like, and c is an integer of from 1 to 10), a specific bond or a bivalent organic group having a specific bond, Q1 is a group having a (b+1) valent ring, R1 is a monovalent organic group having at least one hydrolyzable silyl group, and b is an integer of at least 2.
Abstract: An aqueous coating composition having a long pot life, a process for preparing such coating composition, and a method of preparing coatings having good adhesion to a substrate.
Type:
Grant
Filed:
July 27, 2017
Date of Patent:
January 3, 2023
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company
Abstract: Provided are a composition for forming an absorption-desorption sheet, an absorption-desorption sheet including the same, and a method of preparing the absorption-desorption sheet. The composition for forming an absorption-desorption sheet includes: a polymerizable first monomer or oligmer comprising an ionic hydrophilic group; a polymerizable second monomer or oligmer comprising a non-ionic hydrophilic group; and a deliquescent salt that has excellent absorption-desorption performance- and allows repeated use of the absorption-desorption sheet. In addition, the absorption-desorption sheet has antibacterial and deodorant performance, and thus, is able to inhibit the growth of bacteria and fungi in a humid environment.
Type:
Grant
Filed:
December 26, 2017
Date of Patent:
December 20, 2022
Assignee:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Abstract: The present invention provides a high PVC aqueous coating composition that provides coatings with improved beading effect and good stain resistance.
Type:
Grant
Filed:
July 31, 2017
Date of Patent:
November 29, 2022
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company
Abstract: An aqueous thickener blend composition comprising an aqueous hydrophobically-modified alkali soluble or alkali swellable thickener composition and an acid-suppressible associative thickener composition, affording high thickening efficiency and providing an aqueous coating composition comprising such aqueous thickener blend composition with good heat-age stability and color float stability.
Type:
Grant
Filed:
December 14, 2018
Date of Patent:
November 22, 2022
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company