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    Low bake powder coating resins
    2.
    发明授权
    Low bake powder coating resins 有权

    公开(公告)号：US11920049B2

    公开(公告)日：2024-03-05

    申请号：US17275476

    申请日：2019-10-28

    Applicant: ALLNEX USA INC. ,  ALLNEX ITALY SRL

    Inventor： Roberto Cavalieri ,  Callistus Ugoh Ezeagu

    IPC: C08G63/183 ,  C08L67/02 ,  C09D167/02 ,  B05D1/12

    CPC classification number: C09D167/025 ,  C08G63/183 ,  C08L67/025 ,  B05D1/12 ,  C08L2205/03

    Abstract: Powder coating compositions for low temperature cure between 100° C. and 150° C. The powder coating compositions contain: a) a carboxylic acid functional resin A which is a polyester resin A having carboxylic acid groups, b) a first glycidyl functional resin B1 which is a bisphenol A based epoxy resin having glycidyl groups, c) a second glycidyl functional resin B2 which is a phenol or cresol epoxy novolac resin having glycidyl groups, and d) at least one thermosetting curing catalyst C. Such powder coating compositions may exhibit, upon curing, an excellent combination of physical properties such as smoothness, flexibility, hardness and, above all, an outstanding durability for the MEK impregnation test.

    AQUEOUS PIGMENT DISPERSION
    3.
    发明公开
    AQUEOUS PIGMENT DISPERSION 审中-公开

    公开(公告)号：US20230407118A1

    公开(公告)日：2023-12-21

    申请号：US18254061

    申请日：2021-11-25

    Applicant: KAO CORPORATION

    Inventor： Tomohiko NAGANO ,  Hiroto SOMA ,  Shu NAGASHIMA

    IPC: C09D11/322 ,  C09D7/40 ,  C09D167/02 ,  C09D7/65

    CPC classification number: C09D11/322 ,  C09D7/67 ,  C09D7/68 ,  C09D167/025 ,  C09D7/65

    Abstract: A pigment water dispersion including pigment-containing polyester resin particles. An alcohol component as a raw material monomer of the polyester resin satisfies the following conditions 1 and 2. Condition 1: a content of a compound (I) represented by the following formula (I) in the alcohol component is not more than 7 mol %,




    wherein OR1 and R2O are each independently an oxyalkylene group comprising not less than 1 and not more than 4 carbon atoms, and x and y are each independently a positive number of not less than 0. Condition 2: a content of a compound (II) comprising two secondary hydroxy groups except for the compound (I) in the alcohol component is not less than 45 mol %.

    Durable hydrophilic polymer coatings
    10.
    发明授权
    Durable hydrophilic polymer coatings 失效
    耐用亲水聚合物涂料

    公开(公告)号：US5976995A

    公开(公告)日：1999-11-02

    申请号：US53715

    申请日：1998-04-02

    Applicant: Charles Francis Palmer, Jr.

    Inventor： Charles Francis Palmer, Jr.

    IPC: C09D167/02 ,  D06M15/507 ,  D06M15/53 ,  D06M23/10 ,  B32B27/04

    CPC classification number: D06M23/10 ,  C09D167/025 ,  D06M15/507 ,  D06M15/53 ,  D06M2101/18 ,  D06M2101/32 ,  D06M2200/12 ,  Y10T442/2484 ,  Y10T442/2861 ,  Y10T442/291 ,  Y10T442/2918

    Abstract: Compositions useful for imparting durable hydrophilic polymer coatings to polyester, polypropylene or polyethylene fibers or fabrics comprising A) an aqueous dispersion of 1) a hydrophilic copolyester having repeating segments of a polyoxyethylene diester and a polyalkylene diester, and 2) a polypropylene oxide polymer capped on one or both ends with an alkyl or ester group, said polymer having more than 4 propylene oxide units and an average molecular weight of at least about 300; B) a mixture of 1) an organic solvent, 2) a hydrophilic copolyester having repeating segments of a polyoxyethylene diester and a polyalkylene diester, and 3) a polypropylene oxide polymer capped on one or both ends with an alkyl or monoester group, said polymer having more than 4 propylene oxide units and an average molecular weight of at least about 300; C) an aqueous dispersion of 1) a hydrophilic copolyester having repeating segments of a polyoxyethylene diester and a polyalkylene diester, and 2) a polypropylene glycol having an average molecular weight greater than 1100; or D) a mixture of 1) an organic solvent, 2) a hydrophilic copolyester having repeating segments of a polyoxyethylene diester and a polyalkylene diester, and 3) a polypropylene glycol having an average molecular weight greater than 1100 are disclosed.

    Abstract translation: 用于赋予聚酯，聚丙烯或聚乙烯纤维或织物的耐久亲水性聚合物涂层的组合物包括：A）水分散体，其包含1）具有聚氧乙烯二酯和聚亚烷基二酯重复链段的亲水性共聚酯，和2）聚丙烯氧化物聚合物， 一个或两个末端具有烷基或酯基，所述聚合物具有多于4个环氧丙烷单元，平均分子量至少约为300; B）1）有机溶剂的混合物，2）具有聚氧乙烯二酯和聚亚烷基二酯的重复链段的亲水共聚酯，和3）在一端或两端用烷基或单酯基封端的聚环氧丙烷聚合物，所述聚合物 具有多于4个环氧丙烷单元和平均分子量至少约300; C）1）具有聚氧乙烯二酯和聚亚烷基二酯的重复链段的亲水共聚酯的水分散体，和2）平均分子量大于1100的聚丙二醇; 或D）1）有机溶剂的混合物，2）具有聚氧乙烯二酯和聚亚烷基二酯的重复链段的亲水性共聚酯，以及3）平均分子量大于1100的聚丙二醇。

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