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    AQUEOUS COATING COMPOSITIONS HAVING LOW OR ZERO VOCS AND COMPRISING ENCAPSULATED OR POLYMER ADSORBED PIGMENTS AND LETDOWN BINDERS
    1.
    发明申请
    AQUEOUS COATING COMPOSITIONS HAVING LOW OR ZERO VOCS AND COMPRISING ENCAPSULATED OR POLYMER ADSORBED PIGMENTS AND LETDOWN BINDERS 审中-公开

    公开(公告)号：US20170283627A1

    公开(公告)日：2017-10-05

    申请号：US15089633

    申请日：2016-04-04

    Applicant: Rohm and Haas Company

    Inventor： Zhenwen Fu ,  Ann R. Hermes ,  Wenqin Wang

    IPC: C09D7/00 ,  C09D133/08

    Abstract: The present invention provides aqueous compositions useful as zero VOC coating compositions having a % opacifying pigment volume concentration (% OPVC) of from 2 to 25 and comprising (i) an opacifier composition of an at least partially polymer encapsulated opacifying pigment, a polymer opacifying pigment composite or their mixtures, with the opacifying pigment, encapsulated in and/or as a composite with at least one soft polymer having a measured glass transition temperature (measured Tg) of 5° C. or less, and (ii) a hard binder polymer having a measured Tg of at least 30° C. and a weight average particle size of 120 nm or less, wherein the ratio of the weight average particle size of the opacifier composition to that of the hard binder polymer is from 2:1 to 12:1 and the volume ratio of the opacifying pigment to the soft polymer solids in the opacifier composition is from 2:5 to 1:1

    Acrylic dispersions with multi-functional acrylates for UV-cure coatings
    5.
    发明授权
    Acrylic dispersions with multi-functional acrylates for UV-cure coatings 有权
    丙烯酸分散体与多功能丙烯酸酯用于UV固化涂料

    公开(公告)号：US09574101B2

    公开(公告)日：2017-02-21

    申请号：US14107176

    申请日：2013-12-16

    Applicant: Rohm and Haas Company

    Inventor： Andrew Hejl ,  Eric Greyson ,  Wenqin Wang

    IPC: C09D4/06 ,  C09D5/00 ,  C09D133/08

    CPC classification number: C09D133/08 ,  C09D4/06 ,  C09D5/00 ,  C08F220/14 ,  C08F220/06 ,  C08F2/38 ,  C08F222/1006

    Abstract: The present invention provides low solvent or substantially solvent-free multi-ethylenically unsaturated acrylate composition imbibed particles of an acid functional group containing acrylic polymer for ultraviolet curing coating applications and methods of making the same wherein the acrylic polymer is formed by polymerizing in organic solvent, then neutralized and combined with a multi-ethylenically unsaturated acrylate composition prior to dispersing the mixture into water and, preferably, removing solvent.

    Abstract translation: 本发明提供了低溶剂或基本上无溶剂的多烯属不饱和丙烯酸酯组合物，用于紫外线固化涂料的含酸官能团的丙烯酸聚合物的吸收颗粒及其制备方法，其中丙烯酸聚合物通过在有机溶剂中聚合形成， 然后在将混合物分散在水中之前中和并与多烯属不饱和丙烯酸酯组合物组合，并且优选除去溶剂。

    FORMULATION OF A RHEOLOGY MODIFIER AND A THERMOPLASTIC-EPOXY HYBRID LATEX
    7.
    发明申请
    FORMULATION OF A RHEOLOGY MODIFIER AND A THERMOPLASTIC-EPOXY HYBRID LATEX 有权

    公开(公告)号：US20210040291A1

    公开(公告)日：2021-02-11

    申请号：US16937097

    申请日：2020-07-23

    Applicant: Rohm and Haas Company

    Inventor： John J. Rabasco ,  Wenqin Wang

    IPC: C08K13/02

    Abstract: The present invention relates to a composition comprising a hydrophobically modified alkylene oxide polymer having a hydrophobic portion characterized by the following group: where R1 and x are as defined herein; and a) an aqueous dispersion of thermoplastic polymer particles imbibed with a thermosettable compound functionalized with structural units of an anti-agglomerating monomer; and/or b) a curing agent. The composition of the present invention is useful for improving Brookfield viscosity and sag resistance in coatings arising from, for example, 2-component acrylic-epoxy hybrid systems cured with a curing agent.

    Aqueous multi-stage emulsion copolymer compositions for use in joinery applications
    8.
    发明授权
    Aqueous multi-stage emulsion copolymer compositions for use in joinery applications 有权

    公开(公告)号：US10190002B2

    公开(公告)日：2019-01-29

    申请号：US15373609

    申请日：2016-12-09

    Applicant: Rohm and Haas Company

    Inventor： James C. Bohling ,  Jocelyn Gruver ,  Danniebelle Haase ,  Ann R. Hermes ,  Wenqin Wang

    IPC: C08K3/00 ,  C09D5/02 ,  C09D133/08 ,  C08F265/06 ,  C09D151/00 ,  C08K5/25

    Abstract: The present invention provides aqueous compositions for use in coating wood joinery, especially for exterior use, comprising (a) one or more dihydrazide compounds in a total amount of from 0.5 to 4 wt. %, based on the total weight of composition solids and (b) of one or more aqueous multistage emulsion copolymers containing, as (i) a first stage, an emulsion copolymer having a glass transition temperature (Tg) via differential scanning calorimetry (DSC) of from −50 to 30° C., and containing, in copolymerized form one or more monoethylenically unsaturated phosphorous acid monomers and, one or more keto group containing amide monomers, and, as (ii) a second stage, an emulsion copolymer having a DSC Tg of at least 50° C. to 125° C., wherein the weight ratio of (i) the first stage to (ii) the second stage, based on copolymer solids, ranging from 50:50 to 90:10.

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