ADHESION TO PLASTIC WITH BLOCK COPOLYMERS OBTAINED USING RAFT
    6.
    发明申请
    ADHESION TO PLASTIC WITH BLOCK COPOLYMERS OBTAINED USING RAFT 审中-公开
    使用RAFT获得的具有嵌段共聚物的塑料粘合剂

    公开(公告)号:US20110111244A1

    公开(公告)日:2011-05-12

    申请号:US12935991

    申请日:2009-04-01

    IPC分类号: B32B27/08 C09D153/00 B05D3/10

    摘要: 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.

    摘要翻译: 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。

    WATER BORNE CROSSLINKABLE BLOCK COPOLYMERS OBTAINED USING RAFT
    7.
    发明申请
    WATER BORNE CROSSLINKABLE BLOCK COPOLYMERS OBTAINED USING RAFT 审中-公开
    使用RAFT获得的水性可交换嵌段共聚物

    公开(公告)号:US20110021689A1

    公开(公告)日:2011-01-27

    申请号:US12812659

    申请日:2009-01-16

    IPC分类号: C08L53/00

    摘要: There is disclosed a process for obtaining a water-borne crosslinkable composition comprising a block copolymer comprising at least blocks [A]x[B]y (where x is an integer from 3 to 80 (inc.), where y is an integer ≧10 and where y>x) and a polymer P, the block copolymer-polymer having an acid value ≦150 mg KOH per g of block copolymer-polymer, where at least block [A] and [B] 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 polymer P is obtained in the presence of blocks [A]x[B]y by an emulsion polymerisation process.

    摘要翻译: 公开了一种获得水性交联组合物的方法,该组合物包含至少包含嵌段[A] x [B] y(其中x为3-80(inc。)的整数)的嵌段共聚物,其中y为整数≧ 10,并且其中y> x)和聚合物P,具有酸值&nlE的嵌段共聚物 - 聚合物;每克嵌段共聚物 - 聚合物为150mg KOH,其中至少块[A]和[B]通过受控 在控制剂和自由基源的存在下,通过可逆加成 - 断裂链转移(RAFT)机理在溶液中自由基聚合至少一种烯属不饱和单体; 并且其中通过乳液聚合方法在嵌段[A] x [B] y存在下获得聚合物P。

    AQUEOUS DISPERSIONS CONTAINING CRYSTALLISABLE BLOCK COPOLYMERS
    10.
    发明申请
    AQUEOUS DISPERSIONS CONTAINING CRYSTALLISABLE BLOCK COPOLYMERS 审中-公开
    含有可溶性嵌段共聚物的水性分散体

    公开(公告)号:US20110207871A1

    公开(公告)日:2011-08-25

    申请号:US12671887

    申请日:2008-07-31

    IPC分类号: C08F2/22 C08L53/00

    摘要: An aqueous dispersion comprising a crystallisable vinyl block copolymer-polymer which comprises: i) a vinyl block copolymer comprising at least blocks [A]x [B]y , wherein at least a crystallisable block [A] is obtained by a controlled radical polymerisation of at least one vinyl 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 wherein the vinyl block copolymer comprises 2 to 50 wt % of vinyl monomers bearing at least a crystallisable side chain by weight of the vinyl block copolymer-polymer; wherein crystallisable block [A] has an average degree of polymerisation x, wherein x is an integer in the range of from 3 to 80; wherein block [B] has an average degree of polymerisation y, wherein y is an integer ≦3; and ii) a vinyl polymer [P] obtained by the free radical emulsion polymerisation of one or more vinyl monomers in the presence of the vinyl block copolymer; and wherein the block copolymer:polymer weight ratio is in the range of from 10:90 to 70:30.

    摘要翻译: 包含可结晶乙烯基嵌段共聚物 - 聚合物的水分散体,其包含:i)至少包含嵌段[A] x [B] y的乙烯基嵌段共聚物,其中至少可结晶嵌段[A]通过受控自由基聚合 至少一种乙烯基单体通过溶解中的可逆加成 - 断裂链转移(RAFT)机理,在控制剂和自由基源的存在下进行; 并且其中所述乙烯基嵌段共聚物包含2-50重量%的至少具有乙烯基嵌段共聚物 - 聚合物重量的可结晶侧链的乙烯基单体; 其中可结晶嵌段[A]具有平均聚合度x,其中x是3至80的整数; 其中嵌段[B]具有平均聚合度y,其中y是整数nlE; 3; 和ii)在乙烯基嵌段共聚物存在下通过一种或多种乙烯基单体的自由基乳液聚合获得的乙烯基聚合物[P]; 并且其中所述嵌段共聚物:聚合物重量比在10:90至70:30的范围内。