Scorch safety of curable fluoroelastomer compositions
    2.
    发明授权
    Scorch safety of curable fluoroelastomer compositions 失效
    可固化含氟弹性体组合物的焦烧安全性

    公开(公告)号:US5756588A

    公开(公告)日:1998-05-26

    申请号:US932504

    申请日:1997-09-18

    CPC分类号: C08K5/0025 C08K5/13

    摘要: This invention provides a curable fluoroelastomer composition comprising: (A) a fluorine-containing polymer or a blend of fluorine-containing polymers each comprising interpolymerized units derived from one or more fluorine-containing ethylenically unsaturated monomers; (B) an aromatic polyhydroxy crosslinking agent; (C) at least one organo-onium compound; and (D) a monohydroxyfunctional phenol. The compositions provide for a method of improving scorch safety of curable fluoroelastomer compositions.

    摘要翻译: 本发明提供了一种可固化的含氟弹性体组合物,其包含:(A)含氟聚合物或含氟聚合物的共混物,其各自包含衍生自一种或多种含氟烯属不饱和单体的共聚单元; (B)芳族多羟基交联剂; (C)至少一种有机鎓化合物; 和(D)单羟基官能苯酚。 该组合物提供了改善可固化的含氟弹性体组合物的焦烧安全性的方法。

    Fluoroelastomer composition with organo-onium and blocked-carbonate
compounds
    3.
    发明授权
    Fluoroelastomer composition with organo-onium and blocked-carbonate compounds 失效
    具有有机鎓和封闭碳酸酯化合物的氟弹性体组合物

    公开(公告)号:US5929169A

    公开(公告)日:1999-07-27

    申请号:US978652

    申请日:1997-11-26

    摘要: This invention provides curable fluoroelastomer compositions comprising: (a) a fluorine-containing polymer or blend of fluorine-containing polymers each comprising interpolymerized units derived from one or more fluorine-containing ethylenically unsaturated monomers; (b) at least one organo-onium compound such as those selected from the group consisting of ammonium, arsonium, phosphonium, stibonium, amino-phosphonium, phosphorane (e.g. triarylphosphorane), iminium, and sulfonium compounds; and (c) one or more aryl, allyl or alkyl carbonate-blocked compounds as crosslinking agents. Methods of curing fluoroelastomer compositions, and articles made therefrom are also described.

    摘要翻译: 本发明提供可固化的含氟弹性体组合物,其包含:(a)含氟聚合物或含氟聚合物的共混物,其各自包含衍生自一种或多种含氟烯属不饱和单体的共聚单元; (b)至少一种有机鎓化合物,例如选自铵,砷,鏻,锑,氨基鏻,正膦(例如三芳基磷烷),亚铵和锍化合物的那些化合物; 和(c)一种或多种芳基,烯丙基或碳酸烷基酯封端的化合物作为交联剂。 还描述了固化含氟弹性体组合物的方法和由其制备的制品。

    Oxalate ester blocked phenols
    5.
    发明授权
    Oxalate ester blocked phenols 有权
    草酸酯封闭酚

    公开(公告)号:US06359166B1

    公开(公告)日:2002-03-19

    申请号:US09415552

    申请日:1999-10-08

    IPC分类号: C07C6936

    摘要: In one aspect, the invention provides curable fluoropolymer compositions comprising fluoropolymer, onium, and alkyl or aryl oxalate-blocked compound as a crosslinking agent. In other aspects, the invention provides methods of making curable fluoropolymer compositions and provides alkyl or aryl oxalate-blocked compounds.

    摘要翻译: 一方面,本发明提供包含含氟聚合物,鎓和作为交联剂的草酸烷基或芳基酯化合物的可固化含氟聚合物组合物。 在其它方面,本发明提供了制备可固化含氟聚合物组合物并提供草酸或芳基草酸酯封端化合物的方法。

    Fluoroelastomer composition with organo-onium and blocked-carbonate
compounds
    7.
    发明授权
    Fluoroelastomer composition with organo-onium and blocked-carbonate compounds 失效
    具有有机鎓和封闭碳酸酯化合物的氟弹性体组合物

    公开(公告)号:US5728773A

    公开(公告)日:1998-03-17

    申请号:US804447

    申请日:1997-02-21

    摘要: This invention provides curable fluoroelastomer compositions comprising: (a) a fluorine-containing polymer or blend of fluorine-containing polymers each comprising interpolymerized units derived from one or more fluorine-containing ethylenically unsaturated monomers; (b) at least one organo-onium compound such as those selected from the group consisting of ammonium, arsonium, phosphonium, stibonium, amino-phosphonium, phosphorane (e.g. triarylphosphorane), iminium, and sulfonium compounds; and (c) one or more aryl, allyl or alkyl carbonate-blocked compound as a crosslinking agents. Methods of curing fluoroelastomer compositions, and articles made therefrom are also described.

    摘要翻译: 本发明提供可固化的含氟弹性体组合物,其包含:(a)含氟聚合物或含氟聚合物的共混物,其各自包含衍生自一种或多种含氟烯属不饱和单体的共聚单元; (b)至少一种有机鎓化合物,例如选自铵,砷,鏻,锑,氨基鏻,正膦(例如三芳基磷烷),亚铵和锍化合物的那些化合物; 和(c)一种或多种作为交联剂的芳基,烯丙基或碳酸烷基酯封端的化合物。 还描述了固化含氟弹性体组合物的方法和由其制备的制品。

    Fluoropolymer compositions
    9.
    发明授权
    Fluoropolymer compositions 有权
    含氟聚合物组合物

    公开(公告)号:US06890995B2

    公开(公告)日:2005-05-10

    申请号:US10060690

    申请日:2002-01-30

    摘要: Compositions comprising a fluoropolymer having interpolymerized units derived from a nitrogen-containing cure site monomer and a catalyst composition are provided. The catalyst composition includes a compound having the general formula: {RA}(−){QR′k}(+) or the precursors thereof, wherein R is a nonfluorinated, partially fluorinated, or perfluorinated alkyl, alkenyl, cycloalkyl, cycloalkenyl, aryl or aralkyl, A is an acid- or acid-derivative anion, Q is phosphorous, sulfur, nitrogen, arsenic, or antimony, and each R′ is hydrogen or an alkyl, aryl, aralkyl, or alkenyl group, k is the valence of Q; and optionally (c) an alcohol of the formula R2—OH, wherein R2 is an alkyl group which can be fluorinated. Also provided are a method of making a fluoropolymer, a method of increasing induction time, and fluoropolymer articles containing curable or cured fluoropolymer compositions.

    摘要翻译: 提供包含含有衍生自含氮固化位点单体的共聚单元的含氟聚合物和催化剂组合物的组合物。 催化剂组合物包括具有以下通式的化合物:<?in-line-formula description =“In-line Formulas”end =“lead”?> {RA}( - )< (+) 线内公式描述=“在线公式”end =“尾”→其前体,其中R是非氟化 ,部分氟化的或全氟化的烷基,烯基,环烷基,环烯基,芳基或芳烷基,A是酸或酸衍生的阴离子,Q是磷,硫,氮,砷或锑,并且每个R'是氢或 烷基,芳基,芳烷基或烯基,k是Q的化合价; 和任选地(c)式R 2 -OH的醇,其中R 2是可被氟化的烷基。 还提供了制备含氟聚合物的方法,增加诱导时间的方法和含有可固化或固化的含氟聚合物组合物的含氟聚合物制品。