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    PROCESS FOR OBTAINING LOW FREE MONOMER LEVELS IN A BLOCK COPOLYMER EMULSION PREPARED WITH (REVERSE) IODINE TRANSFER POLYMERISATION
    1.
    发明申请
    PROCESS FOR OBTAINING LOW FREE MONOMER LEVELS IN A BLOCK COPOLYMER EMULSION PREPARED WITH (REVERSE) IODINE TRANSFER POLYMERISATION 审中-公开
    制备（反向）碘转移聚合的嵌段共聚物乳液中低自由基单体含量的方法

    公开(公告)号：US20140107290A1

    公开(公告)日：2014-04-17

    申请号：US14140356

    申请日：2013-12-24

    Applicant: DSM IP ASSETS B.V.

    Inventor： Tijs NABUURS ,  Gerardus Cornelis OVERBEEK ,  Michael Arnoldus Jacobus SCHELLEKENS ,  Danny VISSER ,  Frank VAES

    IPC: C08L53/00

    CPC classification number: C08L53/00 ,  C08F293/00 ,  C08F293/005 ,  C08F2438/00 ,  C08L2666/02 ,  C09D153/00 ,  C09J153/00

    Abstract: A process for obtaining an aqueous emulsion comprising a block copolymer by the solution polymerisation of vinyl monomers to obtain block [B] in the presence of a) a radical precursor; and b) an iodine atom containing block [A]; where block [A] and [B] together comprise 0 to 2 wt % of methacrylic acid; where block [A] and block [B] together comprise ≧2.5 wt % of vinyl monomers bearing ionic or potentially ionic water-dispersing groups not including methacrylic acid; and performing a post polymerisation reaction on the block copolymer emulsion obtained in step II; and wherein said aqueous emulsion has a free vinyl monomer level

    Abstract translation: 一种通过乙烯基单体的溶液聚合获得嵌段共聚物以在a）自由基前体存在下获得嵌段[B]的方法; 和b）含有碘原子的嵌段[A]; 其中嵌段[A]和[B]一起包含0至2重量％的甲基丙烯酸; 其中嵌段[A]和嵌段[B]一起包含≥2.5wt％的具有不包括甲基丙烯酸的离子或潜在离子水分散基团的乙烯基单体; 并对在步骤II中获得的嵌段共聚物乳液进行后聚合反应; 并且其中当固体含量为≥20wt％时，所述水性乳液的游离乙烯基单体含量<1000ppm。

    AQUEOUS POLYMER EMULSION
    2.
    发明申请
    AQUEOUS POLYMER EMULSION 审中-公开

    公开(公告)号：US20180030186A1

    公开(公告)日：2018-02-01

    申请号：US15550565

    申请日：2016-02-12

    Applicant: DSM IP ASSETS B.V.

    Inventor： Tijs NABUURS ,  Jeffrey STUBBS ,  Johannes Hendrikus DE BONT ,  Gerardus Cornelis OVERBEEK

    IPC: C08F222/14 ,  C09D135/02

    CPC classification number: C08F222/14 ,  C08F220/06 ,  C08F2220/1858 ,  C09D135/02 ,  C08F220/14

    Abstract: The present invention relates to an aqueous polymer emulsion comprising at least 30 wt. % of a vinyl copolymer (A), said vinyl copolymer comprising: (I) from 10 to 90 wt. % of 2-octyl acrylate monomer; (II) from 10 to 90 wt. % of at least one itaconate ester monomer according to formula (1) in which A and B may be different or the same and A and B are independently an alkyl group or an aryl group; and (III) from 0 to 80 wt. % of ethylenically unsaturated monomer other than (I) and (II); whereby the summed amount of (I), (II) and (III) is 100 wt. % and whereby the amount of vinyl copolymer (A) is given relative to the total weight amount of the polymers present in the emulsion.

    POLYMER, PROCESS AND USE
    3.
    发明申请
    POLYMER, PROCESS AND USE 审中-公开

    公开(公告)号：US20170240765A1

    公开(公告)日：2017-08-24

    申请号：US15519354

    申请日：2015-10-21

    Applicant: DSM IP Assets B.V.

    Inventor： Tijs NABUURS ,  Willem-Jan SOER ,  Gerardus Cornelis OVERBEEK

    IPC: C09D151/00 ,  C23C26/00 ,  B05D7/02 ,  B05D7/08 ,  B05D7/14 ,  C08F265/06 ,  C03C17/32

    Abstract: The current invention relates to a process for preparing an aqueous binder composition free of organic solvent, the process comprising at least the following steps: A) preparing a hydrophilic vinyl polymer (Polymer A) by polymerisation of a monomer composition A that contains: Ai) at least one carboxylic acid functional olefinically unsaturated monomer; and Aii) at least one olefinically unsaturated monomer different than Ai); and Aiii) optionally at least one wet adhesion promoting olefinically unsaturated monomer different than Ai and Aii); where Polymer A has an acid value (AV) from 32 to 98 mg KOH/g of solid Polymer A; B) preparing a hydrophobic vinyl polymer (Polymer B) by emulsion polymerization of a monomer composition B in the presence of Polymer A where the monomer composition B contains: Bi) at least one olefinically unsaturated monomer; Bii) optionally carboxylic acid functional olefinically unsaturated monomer different than Bi); and Biii) optionally wet adhesion promoting olefinically unsaturated monomer different than Bi); where Polymer B has an acid value (AV) of no more than 23.4 mg KOH/g of solid polymer B, wherein at least a part of the carboxylic acid groups that are present in Polymer A and Polymer B are neutralized during or following the steps A and/or B to form a (partially) neutralized polymer emulsion; where the weight average molecular weight (Mw) of Polymer A is lower than the weight average molecular weight (Mw) of polymer B; and wherein the process is further characterized by the presence of a further step C) reacting at least 10 mol % of the carboxylic acid and/or carboxylate salt groups of the (partially) neutralized polymer emulsion with an iminating agent to produce an iminated polymer C; wherein the total amount of surfactant applied in steps A, B and C is at most 0.5 wt. %, based on the total weight of monomers charged for the preparation of polymer A and polymer B

    ADHESION TO METAL SURFACES WITH BLOCK COPOLYMERS OBTAINED USING RAFT
    4.
    发明申请
    ADHESION TO METAL SURFACES WITH BLOCK COPOLYMERS OBTAINED USING RAFT 审中-公开

    公开(公告)号：US20140170428A1

    公开(公告)日：2014-06-19

    申请号：US14188624

    申请日：2014-02-24

    Applicant: DSM IP ASSETS B.V.

    Inventor： Michael Arnoldus Jacobus SCHELLEKENS ,  Tijs NABUURS ,  John GEURTS ,  Gerardus Cornelis OVERBEEK

    IPC: C09D153/00 ,  B32B15/082 ,  C23F11/00

    CPC classification number: B32B15/082 ,  C08F2/22 ,  C08F2/38 ,  C08F293/005 ,  C08L53/00 ,  C08L53/005 ,  C08L2666/02 ,  C09D153/00 ,  C09J153/00 ,  C23F11/00 ,  Y10T428/31692

    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).

    ADHESON TO PLASTIC WITH BLOCK COPOLYMERS OBTAINED USING RAFT
    5.
    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

    Applicant: DSM IP ASSETS B.V.

    Inventor： Michael Arnoldus Jacobus SCHELLEKENS ,  Gerardus Cornelis OVERBEEK ,  Tijs NABUURS ,  John GEURTS

    IPC: C09D153/00

    CPC classification number: C09D153/00 ,  C08F2/24 ,  C08F293/005 ,  C08L53/00 ,  C08L53/005 ,  Y10T428/31935 ,  Y10T428/31938 ,  C08L2666/02

    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。

    AQUEOUS BINDER COMPOSITION
    7.
    发明申请
    AQUEOUS BINDER COMPOSITION 有权

    公开(公告)号：US20210147594A1

    公开(公告)日：2021-05-20

    申请号：US16629746

    申请日：2018-07-02

    Applicant: DSM IP Assets B.V.

    Inventor： Maud KASTELIJN ,  Tijs NABUURS

    IPC: C08F220/06 ,  C08F220/14 ,  C08F220/18 ,  C08F220/56 ,  C08F2/22 ,  C08F2/38 ,  C08K5/372 ,  C08L33/12 ,  C09D133/12

    Abstract: The current invention relates to a process for preparing an aqueous binder composition, the process comprising at least the following steps A) and B): A) preparing carboxylic acid-functional vinyl polymer (Polymer A) by emulsion polymerisation of a monomer composition A comprising the following monomers: Ai) at least one carboxylic acid functional olefinically unsaturated monomer; and Aii) at least one olefinically unsaturated monomer different than Ai); B) preparing vinyl polymer (Polymer B) by emulsion polymerization of a monomer composition B in the presence of Polymer A where the monomer composition B comprises the following monomer(s): Bi) at least one olefinically unsaturated monomer; Bii) optionally carboxylic acid functional olefinically unsaturated monomer different than Bi); where at least part of the carboxylic acid groups of Polymer A are deprotonated to obtain ionic or potentially ionic water-dispersing groups; where the acid value of Polymer B is lower than the acid value of Polymer A; where the weight average molecular weight (Mw) of Polymer B is higher than the weight average molecular weight (Mw) of Polymer A; where the glass transition temperature of Polymer B is equal to or lower than that of Polymer A; where the weight ratio of Polymer A to Polymer B is in the range of from 5:95 to 95:5; and whereby step A) comprises at least a first polymerisation stage of a monomer composition A1 effected in the presence of a chain transfer agent C1 having a water solubility of at least 5 g/L and a subsequent second polymerisation stage of a monomer composition A2 effected in the presence of a chain transfer agent C2 having a water solubility of at most 0.5 g/L, and whereby the second polymerisation stage of step A) is effected in the optional further presence of chain transfer agent C1 having a water solubility of at least 5 g/L whereby the concentration of chain transfer agent C1 having a water solubility of at least 5 g/L in the second polymerisation stage of step A) is at most 35 mole-%, relative to the total molar concentration of chain transfer agent C1 and chain transfer agent C2 present in the second polymerisation stage of step A).

    AQUEOUS OLIGOMER / POLYMER EMULSION WITH CATIONIC FUNCTIONALITY
    10.
    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

    Applicant: DSM IP ASSETS B.V.

    Inventor： Michael Arnoldus Jacobus SCHELLEKENS ,  John GEURTS ,  Tijs NABUURS ,  Gerardus Cornelis OVERBEEK

    IPC: C09D151/00 ,  C09D5/14 ,  C09D153/00

    CPC classification number: C09D151/003 ,  C08F293/005 ,  C08F2438/03 ,  C08L53/00 ,  C09D5/14 ,  C09D153/00 ,  C09D153/005 ,  Y10T428/31855 ,  Y10T428/31938 ,  C08L2666/02

    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。

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