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    Aqueous adhesive compositions
    1.
    发明授权
    Aqueous adhesive compositions 有权

    公开(公告)号：US12209153B2

    公开(公告)日：2025-01-28

    申请号：US17127597

    申请日：2020-12-18

    Applicant: SWIMC LLC

    Inventor： Allen Bulick ,  Chris Fredrickson ,  Mary Jane Hibben ,  Robert Sandoval ,  Ashley Rodgers ,  Glenn Frazee

    IPC: C08F220/18 ,  C09J133/06 ,  E04D7/00 ,  E04D11/02

    Abstract: A latex emulsion that includes an aqueous carrier liquid and a latex copolymer formed from reactants comprising butyl methacrylate, wherein the reactants comprise at least 20 wt. % a vinyl monomer, based on the total weight of ethylenically unsaturated monomers in the latex copolymer. A homopolymer formed from the vinyl monomer preferably exhibits a glass transition temperature of between about −10° C. and about 30° C. A coating formed from the latex emulsion preferably exhibits a dry adhesion of greater than about 4 pounds per linear inch when applied between a thermoplastic polyolefin roofing membrane and a plywood roofing substrate at an average coat weight of about 6 lbs/100 ft2 and subjected to 180° peel testing according to ASTM D903 with a 2-inch per minute pull rate. The latex emulsion may include a second latex copolymer or stage, and may be used as part of an aqueous adhesive composition.

    Stain-blocking polymers, primers, kits, and methods
    7.
    发明授权
    Stain-blocking polymers, primers, kits, and methods 有权

    公开(公告)号：US11649361B2

    公开(公告)日：2023-05-16

    申请号：US17508881

    申请日：2021-10-22

    Applicant: SWIMC LLC

    Inventor： Hsuan-Chin Wang ,  Mary Jane Hibben

    IPC: C09D7/43 ,  C09D133/08 ,  C09D5/00 ,  C09D5/02

    CPC classification number: C09D5/002 ,  C09D5/028 ,  C09D7/43 ,  C09D133/08

    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.

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