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    • 12. 发明申请
    • TRIAZINE CONTAINING FLUOROPOLYETHER ELASTOMERS HAVING VERY LOW GLASS TRANSITION TERMPERATURES, COMPOSITIONS CONTAINING THEM AND METHODS OF MAKING THEM
    • 含有非常低的玻璃化转变温度的含氟荧光体弹性体的TRIAZINE,包含它们的组合物及其制备方法
    • WO2011044093A2
    • 2011-04-14
    • PCT/US2010/051422
    • 2010-10-05
    • 3M INNOVATIVE PROPERTIES COMPANYCORVELEYN, Steven, G.DAMS, Rudolf, J.GROOTAERT, Werner, M., A.DAHLKE, Gregg, D.GUERRA, Miguel, A.
    • CORVELEYN, Steven, G.DAMS, Rudolf, J.GROOTAERT, Werner, M., A.DAHLKE, Gregg, D.GUERRA, Miguel, A.
    • C08G65/32C08G65/323C08G65/333C08L71/00C08J5/00
    • C08G65/007
    • A method of making a fluoropolyether elastomer containing triazine groups and having a glass transition temperature of less than -40 °C, including providing (i) one or more saturated fluoropolyethers containing repeating moieties selected from (-C 4 F 8 O-), (-C 3 F 6 O-), (-C 2 F 4 O-), (-CF 2 O-) and combinations thereof and further containing at least one functional group at a terminal carbon atom of the backbone chain, or of a side chain if present, wherein the terminal carbon atom may be a primary or secondary carbon atom and wherein the functional group is capable of reacting with a functional group of the fluorinated compound according to (ii) below to form a triazine ring, (ii) one or more fluorinated compound containing at least one perfluorinated alkyl or perfluorinated alkylene moiety wherein the carbon atoms of the perfluorinated alkyl or alkylene moiety may be interrupted by one or more oxygen atoms and wherein the fluorinated compound further contains at least one functional group capable of reacting with the functional group of the one or more fluoropolyethers to form a triazine; curing the components according to (i) and (ii) to form triazines. Further provided are cured compositions, articles comprising the cured compositions and methods of making articles.
    • 制备含有三嗪基并具有小​​于-40℃的玻璃化转变温度的氟聚醚弹性体的方法,包括提供(i)一种或多种含有重复部分的饱和含氟聚醚,所述重复部分选自(-C 4 F 8 O-),(-C 3 F 6 O-) ,(-C 2 F 4 O-),(-CF 2 O-)及其组合,并且在主链的末端碳原子或侧链(如果存在)中还含有至少一个官能团,其中末端碳原子可以是伯 或仲碳原子,并且其中所述官能团能够与下述(ii)的氟化化合物的官能团反应以形成三嗪环,(ii)一种或多种含有至少一个全氟化烷基或全氟化亚烷基的氟化化合物 部分,其中全氟化烷基或亚烷基部分的碳原子可被一个或多个氧原子间隔,并且其中氟化化合物还含有至少一个官能团帽 能够与一种或多种含氟聚醚的官能团反应形成三嗪; 根据(i)和(ii)固化组分以形成三嗪。 还提供了固化组合物,包含固化组合物的制品和制造制品的方法。
    • 19. 发明申请
    • FLUOROCHEMICAL COMPOSITION
    • 氟化学成分
    • WO2002066521A1
    • 2002-08-29
    • PCT/US2002/003076
    • 2002-01-17
    • 3M INNOVATIVE PROPERTIES COMPANY
    • DAMS, Rudolf, J.
    • C08F2/38
    • C04B41/4842C04B41/009C04B41/83C08F8/42C08F220/22C08F220/38C08F230/08C08F2220/387C09D4/00C09D133/16C04B41/463C04B33/00C08G77/24C08F2220/1891C08F2220/1825
    • A fluorochemical composition comprising a major amount of organic solvent and 0.05% by weight to 5% by weight of fluorochemical oligomer dispersed or dissolved in said organic solvent and said fluorochemical oligomer being represented by the general formula X-M f n M h m M a r -G wherein X represents the residue of an initiator or hydrogen; M f represents units derived from fluorinated monomers; M h represents units derived from a non-fluorinated monomers; M a represents units having a silyl group represented by the formula (II), wherein each of Y 4 ,Y 5 and Y 6 independently represents an alkyl group, an aryl group or a hydrolyzable group; G is a monovalent organic group comprising the residue of a chain transfer agent; n represents a value of 1 to 100; m represents a value of 0 to 100; r represents a value of 0 to 100; and n+m+r is at least 2; with the proviso that at least one of the following conditions is fulfilled: (a) G is a monovalent organic group that contains a silyl group of the formula (III) wherein Y 1 , Y 2 and Y 3 each independently represents an alkyl group, an aryl group or a hydrolyzable group with at least one of Y 1 , Y 2 and Y 3 representing a hydrolyzable group; or (b) r is at least 1 and at least one of Y 4 , Y 5 and Y 6 represents a hydrolyzable group.
    • 包含主要量的有机溶剂和0.05重量%至5重量%的分散或溶解在所述有机溶剂中的含氟化合物低聚物和所述含氟低聚物的含氟化合物组合物由通式XM < a> rG其中X表示引发剂或氢的残基; M f表示衍生自氟化单体的单元; M 表示源自非氟化单体的单元; M a表示具有由式(II)表示的甲硅烷基的单元,其中Y 4,Y 5和Y 6各自独立地表示烷基,芳基或可水解基团; G是包含链转移剂残基的一价有机基团; n表示1〜100的数值。 m表示0〜100的值。 r表示0〜100的值。 n + m + r为2以上; 条件是满足以下条件中的至少一个:(a)G是含有式(III)的甲硅烷基的单价有机基团,其中Y 1,Y 2和Y 3各自 独立地表示具有表示可水解基团的Y 1,Y 2和Y 3中的至少一个的烷基,芳基或可水解基团; 或(b)r为至少1,Y 4,Y 5和Y 6中的至少一个为可水解基团。