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    Alkenyl phenoxy polyfluoroalkoxyphosphazene
    1.
    发明授权
    Alkenyl phenoxy polyfluoroalkoxyphosphazene 失效
    烯基苯氧基多氟烷氧基磷腈

    公开(公告)号：US4898929A

    公开(公告)日：1990-02-06

    申请号：US265991

    申请日：1988-11-02

    申请人： W. Dirk Klobucar ,  Charles H. Kolich ,  Jeffrey T. Books

    发明人： W. Dirk Klobucar ,  Charles H. Kolich ,  Jeffrey T. Books

    IPC分类号： C08G79/02

    CPC分类号： C08G79/025

    摘要： Substantially linear organophosphazene polymers containing randomly distributed repeating units represented by the formulas: ##STR1## wherein R.sub.1 is a fluoroalkoxy group having the structure:F.sub.3 C--(CF.sub.2).sub.n --CH.sub.2 O--wherein n is 0 or an integer from 1 to 20 and X is fluorine and wherein at least 3 of the R.sub.1 units are different from each other and R.sub.2 represents a group with some unsaturation which enhances the curability of said polymers and represented by the formula: ##STR2## wherein R.sub.3 is an unsaturated monovalent group and R.sub.4 is selected from the group consisting of hydrogen, alkyl and alkoxy, the total number of said units ranging from 3 to about 100,000 and the R.sub.2 groups being present in an amount sufficient to enable cure of said polymers and in the range of about 0.01-50 mole percent of the total number of R.sub.1 and R.sub.2 groups are claimed. The polymers possess excellent solvent and chemical resistance as well as low volume swell properties especially when contacted with petroleum based fuels such as gasoline and particularly when contacted with oxygenated fuels such as gasohol. This makes these materials highly useful as seals such as gaskets and o-rings, hoses, coatings and the like.

    Process for surface treating phosphonitrilic fluoroelastomers
    2.
    发明授权
    Process for surface treating phosphonitrilic fluoroelastomers 失效
    表面处理膦酸三氟弹性体的方法

    公开(公告)号：US4945139A

    公开(公告)日：1990-07-31

    申请号：US383642

    申请日：1989-07-24

    申请人： Charles H. Kolich ,  W. Dirk Klobucar ,  Jeffrey T. Books

    发明人： Charles H. Kolich ,  W. Dirk Klobucar ,  Jeffrey T. Books

    IPC分类号： C08G79/02

    CPC分类号： C08G79/025

    摘要： A process for treating the surface of a cured phosphonitrilic fluoroelastomer of the formula ##STR1## where x is an integer of from about 3 to about 50,000, Q and Q' are the same or different and are fluoroalkoxy of the formula --OCH.sub.2 (CF.sub.2).sub.m CF.sub.2 Z where m is an integer from 0 to 20 and Z is hydrogen or fluorine and Q" is a group having some olefinic unsaturation with a solution of an alkali metal fluoroalkoxide of the formula MOC.sub.n.sup.f where M is an alkali metal and C.sub.n.sup.f is a fluorocarbon moiety of the formula --(CH.sub.2).sub.y (CF.sub.2).sub.n CF.sub.3 where y is 1 or 2 and n is an integer from 1 to 20. The process of this invention causes the replacement of some of the Q and Q' groups with --OC.sub.n.sup.f. The decreased number of Q and Q' where Z is hydrogen results in a cured phosphonitrilic fluoroelastomer surface displaying improved resistance to polar solvents.

    摘要翻译： 一种用于处理下式的化合物的表面的方法，其中x是约3至约50,000的整数，Q和Q'相同或不同，并且是式-OCH 2（CF 2）的氟代烷氧基， mCF2Z其中m是0至20的整数，Z是氢或氟，Q“是具有式MOCnf的碱金属氟代烷烃的溶液具有一些烯属不饱和基团，其中M是碱金属，Cnf是碳氟化合物 式（ - ） - （CH2）y（CF2）nCF3的部分，其中y为1或2，n为1至20的整数。本发明的方法导致用-OCnf替换一些Q和Q'基团。 其中Z是氢的Q和Q'的减少的数量导致固化的膦腈基含氟弹性体表面显示改善的极性溶剂的抗性。

    Polyester composition
    4.
    发明授权
    Polyester composition 失效
    聚酯组成

    公开(公告)号：US4460729A

    公开(公告)日：1984-07-17

    申请号：US377922

    申请日：1982-05-13

    申请人： Jeffrey T. Books

    发明人： Jeffrey T. Books

    IPC分类号： C08L67/02

    CPC分类号： C08L67/02

    摘要： Improved injection moldability of polyethylene terephthalates is achieved by the addition of small amounts of (i) a poly-.alpha.-olefin and (ii) an adjuvant synergistically cooperative with the poly-.alpha.-olefin to achieve improved moldability and mold releasability even when the composition is injection molded at temperatures of at least as low as 93.degree. C.

    摘要翻译： 通过加入少量的（i）聚-α-烯烃和（ii）与聚-α-烯烃协同协作的助剂来实现改进的聚对苯二甲酸乙二酯的注射成型性，以实现即使组合物也具有改进的成型性和脱模性 在至少低至93℃的温度下注射成型。