ADHESION TO METAL SURFACES WITH BLOCK COPOLYMERS OBTAINED USING RAFT

    公开(公告)号:US20140170428A1

    公开(公告)日:2014-06-19

    申请号:US14188624

    申请日:2014-02-24

    Abstract: An aqueous, metal, coating composition (and process for obtaining it) comprising a block copolymer and a polymer P; wherein the block copolymer comprises at least blocks [A]x[B]y, where at least block [A] is obtained by a controlled radical polymerisation of at least one ethylenically unsaturated monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism in solution in the presence of a control agent and a source of free radicals; and where (a) block [A] comprises (i) 0 to 80 mol % of metal adhering ethylenically unsaturated monomers; (ii) 0 to 100 mol % of water dispersible ethylenically unsaturated monomers; (iii) 0 to 70 mol % of C1 to C30 hydrocarbo (meth)acrylate and/or styrenic monomers; (iv) 0 to 35 mol % of ethylenically unsaturated monomer different from i), ii)+iii); where the amount of at least one of i), ii), iii)+iv) is >0 mol %; block [A] has a Hansch parameter x); and (c) polymer P is obtained by an emulsion polymerisation process in the presence of the block copolymer [A][B] and comprises: i) 0 to 5 wt % of metal adhering ethylenically unsaturated monomers; ii) 0 to 15 wt % of water dispersible ethylenically unsaturated monomers; iii) 50 to 100 wt % C1 to C30 hydrocarbo (meth)acrylate and/or styrenic monomers; and iv) 0 to 35% by weight of ethylenically unsaturated monomers units different from those from i), ii)+iii).

    AQUEOUS OLIGOMER / POLYMER EMULSION WITH CATIONIC FUNCTIONALITY
    2.
    发明申请
    AQUEOUS OLIGOMER / POLYMER EMULSION WITH CATIONIC FUNCTIONALITY 审中-公开
    具有阳离子功能的水性低聚物/聚合物乳液

    公开(公告)号:US20140127153A1

    公开(公告)日:2014-05-08

    申请号:US14153865

    申请日:2014-01-13

    Abstract: An aqueous emulsion comprising at least a covalently bound vinyl oligomer and vinyl polymer, wherein said vinyl oligomer comprises 5 to 85 mol % of vinyl monomers bearing quaternary ammonium ion functional groups or quaternisable amine functional groups and is obtained by a controlled radical polymerisation of at least one vinyl monomer via a reversible addition-fragmentation chain transfer mechanism in solution in the presence of a control agent and a source of free radicals; wherein said vinyl polymer is obtained by emulsion polymerisation of vinyl monomers in the presence of the vinyl oligomer; wherein the weight % ratio of vinyl oligomer to vinyl polymer is in the range of from 0.5:99.5 to 65:35.

    Abstract translation: 包含至少共价结合的乙烯基低聚物和乙烯基聚合物的水性乳液,其中所述乙烯基低聚物包含5-85摩尔%的带有季铵离子官能团或可季铵化胺官能团的乙烯基单体,并且通过至少一种受控自由基聚合获得 一种乙烯基单体通过在控制剂和自由基来源的溶液中的可逆加成 - 断裂链转移机理; 其中所述乙烯基聚合物通过乙烯基单体在乙烯基低聚物存在下的乳液聚合获得; 其中乙烯基低聚物与乙烯基聚合物的重量%比在0.5:99.5至65:35的范围内。

    ADHESON TO PLASTIC WITH BLOCK COPOLYMERS OBTAINED USING RAFT
    3.
    发明申请
    ADHESON TO PLASTIC WITH BLOCK COPOLYMERS OBTAINED USING RAFT 审中-公开
    使用RAFT获得的嵌段共聚物的粘合剂

    公开(公告)号:US20140037975A1

    公开(公告)日:2014-02-06

    申请号:US14046805

    申请日:2013-10-04

    Abstract: An aqueous coating composition (which optionally can coat plastic substrates) the composition comprising a block copolymer and a polymer P; where the block copolymer comprises at least blocks [A]x[B]y; where at least block [A] is obtained by a controlled radical polymerisation of at least one ethylenically unsaturated monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism (optionally in solution in the presence of a control agent and a source of free radicals); and wherein block [A] comprises 20 to 100 mol % of ethylenically unsaturated monomer units bearing water-dispersing functional groups; wherein block [B] comprises 20 to 100 mol % of ethylenically unsaturated monomer units bearing plastic adhesion promoting functional groups; and wherein polymer P is prepared in the presence of blocks [A]x[B]y. The compositions may be used to coat plastic substrates, foam; surfaces having low surface energy, hydrophobic substrates and/or polyolefins.

    Abstract translation: 包含嵌段共聚物和聚合物P的组合物的水性涂料组合物(其可任选地可以涂覆塑料基材); 其中嵌段共聚物至少包含嵌段[A] x [B] y; 其中至少通过可逆加成 - 断裂链转移(RAFT)机理(任选在溶液中存在控制剂和自由基来源)通过至少一种烯属不饱和单体的受控自由基聚合获得嵌段[A] ); 并且其中嵌段[A]包含20至100摩尔%的带有水分散官能团的烯属不饱和单体单元; 其中嵌段[B]包含20至100摩尔%的具有塑性粘合促进官能团的烯属不饱和单体单元; 并且其中聚合物P在嵌段[A] x [B] y的存在下制备。 组合物可用于涂覆塑料基材,泡沫; 具有低表面能的表面,疏水性基材和/或聚烯烃。

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