Polymeric stabilizers having low polydispersity
    6.
    发明授权
    Polymeric stabilizers having low polydispersity 有权
    具有低多分散性的聚合物稳定剂

    公开(公告)号:US06583245B1

    公开(公告)日:2003-06-24

    申请号:US09868762

    申请日:2001-06-21

    CPC classification number: C08K5/005 C08F246/00

    Abstract: The present invention relates to a polymerizable composition, comprising a) at least one compound of formula (I) (RG)—A—(Stab)  (I), wherein (Stab) is a light stabilizer radical selected from the group consisting of sterically hindered amines, hydroxyphenyl-s-triazines, hydroxyphenyl-benzotriazols and o-hydroxy-benzophenones; A is a spacer group or a direct bond; and (RG) is a group containing at least one ethylenically unsaturated functional group; and either b1) a compound of formula (II) Y—X  (II),  wherein X represents a group having at least one carbon atom and is such that the free radical derived from X is capable of initiating polymerization and Y represents a group being such that the free radical Y· derived from it forms a stable free radical; or b2) a stable free radical Y· and a free radical source from which a radical is formed capable of initiating polymerization, or b3) a compound of formula (III)  and a catalytically effective amount of an oxidizable transition metal complex catalyst, wherein p represents a number greater than zero and defines the number of initiator fragments; q represents a number greater than zero; [In] represents a radically transferable atom or group capable of initiating polymerization and -[Hal] represents a leaving group; and optionally c) one or more ethylenically unsaturated monomers or oligomers different from those of formula (I). Further subjects of the invention are a polymerization process, the polymers, copolymers oligomers and cooligomers obtainable by this process and the use of the polymers, copolymers oligomers and cooligomers as heat or light stabilizers.

    Abstract translation: 本发明涉及可聚合组合物,其包含a)至少一种式(I)化合物,其中(Stab)是选自空间位阻胺,羟基苯基-s-三嗪,羟基苯基 - 苯并三唑并且 邻羟基 - 二苯甲酮; A是间隔基团或直接键; 和(RG)是含有至少一个烯属不饱和官能团的基团; 和b1)式(II)的化合物,其中X表示具有至少一个碳原子的基团,并且使得衍生自X的自由基能够引发聚合,并且Y表示使得衍生自 它形成一个稳定的自由基; 或b2)稳定的自由基Y.以及自由基源,其中形成能够引发聚合的自由基,或b3)式(III)的化合物和催化有效量的可氧化的过渡金属配合物催化剂,其中p表示 数字大于零并且定义引发剂片段的数量; q表示大于零的数字; [In]表示能够引发聚合的可自由基转移的原子或基团, - [Hal]表示离去基团; 和任选地c)与式(I)的那些不同的一种或多种烯属不饱和单体或低聚物。 本发明的其它主题是聚合方法,可通过该方法获得的聚合物,共聚物低聚物和冷却体,以及聚合物,共聚物低聚物和冷却剂作为热或光稳定剂的用途。

    Polymerizable composition, process for producing cross linked polymers, and cross-linkable polymers
    8.
    发明授权
    Polymerizable composition, process for producing cross linked polymers, and cross-linkable polymers 失效
    可聚合组合物,交联聚合物的生产方法和可交联聚合物

    公开(公告)号:US06281307B1

    公开(公告)日:2001-08-28

    申请号:US08875529

    申请日:1997-07-31

    CPC classification number: C08G18/6204 B33Y70/00 C08G61/00

    Abstract: Composition comprising (a) catalytic amounts of a one-component catalyst for metathesis polymerization and (b) at least one polymer with strained cycloalkenylene radicals bonded in the polymer backbone, alone or as a mixture with strained cycloolefins. The composition can be polymerized thermally or photochemically by metathesis polymerization and is suitable for the production of shaped articles, coatings and relief images. The catalyst is selected from Ruthenium and Osmium compounds.

    Abstract translation: 组合物,其包含(a)催化量的用于复分解聚合的单组分催化剂和(b)至少一种具有结合在聚合物主链中的应变亚链烯基的聚合物,单独或作为与应变环烯烃的混合物。 组合物可以通过复分解聚合进行热或光化学聚合,并且适用于生产成形制品,涂层和浮雕图像。 催化剂选自钌和锇化合物。

    Cationic substituted 2,2,6,6-tetraalkylpiperidinyl alkoxyamines
    10.
    发明授权
    Cationic substituted 2,2,6,6-tetraalkylpiperidinyl alkoxyamines 有权
    阳离子取代的2,2,6,6-四烷基哌啶基烷氧基胺

    公开(公告)号:US07902368B2

    公开(公告)日:2011-03-08

    申请号:US12535747

    申请日:2009-08-05

    CPC classification number: C08F4/00 C07D211/94 C07D241/08 C07F9/4006 C07F9/59

    Abstract: Cationic 2,2,6,6-tetraalkylpiperidinyl alkoxyamines of, for example, formula (1a) and (1b) are useful as polymerization initiators/regulators in a controlled stable free radical polymerization process to produce intercalated and/or exfoliated nanoparticles from natural or synthetic clays. Compositions comprising improved nanocomposites produced by this process are useful as, for example, coatings, sealants, caulks, adhesives and plastic additives wherein Q1 is a direct bond or a —CH2— group T1, T2, T3 and T4 are independently methyl or ethyl with the proviso that at least one is ethyl; T7 and T8 are hydrogen or methyl; T5 and T6 are hydrogen or T5 and T6 together are a group ═O, ═NOH, ═NO-T9 or T5 is hydrogen and T6 is —O-T9 or —NR9-T9 T9 is hydrogen, R9 or —C(O)—R9; R9 is hydrogen, C1-C18alkyl, C3-C18alkenyl, C3-C18alkynyl, phenyl or C7-C9phenylalkyl unsubstituted or substituted by hydroxy, halogen or C1-C4alkoxy; K1 and K2 are hydrogen, C1-C18alkyl, C5-C12cycloalkyl, phenyl or C7-C9phenylalkyl and K3 is a group containing selected amine containing salts.

    Abstract translation: 例如式(1a)和(1b)的阳离子2,2,6,6-四烷基哌啶基烷氧基胺可用作控制稳定的自由基聚合方法中的聚合引发剂/调节剂,以产生自然或/或 合成粘土。 包含通过该方法制备的改进的纳米复合材料的组合物可用作例如涂料,密封剂,填隙剂,粘合剂和塑料添加剂,其中Q1是直接键或-CH 2 - 基团T1,T 2,T 3和T 4独立地是甲基或乙基, 条件是至少一个是乙基; T7和T8是氢或甲基; T5和T6是氢或T5和T6一起是基团= O,≡NOH,≡NO-T9或T5是氢,T6是-O-T9或-NR9-T9,T9是氢,R9或-C(O) -R9; R 9是氢,C 1 -C 18烷基,C 3 -C 18烯基,C 3 -C 18炔基,苯基或未被取代或被羟基,卤素或C 1 -C 4烷氧基取代的C 7 -C 9苯基烷基; K 1和K 2是氢,C 1 -C 18烷基,C 5 -C 12环烷基,苯基或C 7 -C 9苯基烷基,K 3是含有选择的含胺盐的基团。

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