摘要:
Compositions comprising a fluoropolymer derived from a nitrogen-containing cure site monomer, a catalyst composition which comprises at least one anionic functional group and at least one cationic functional group having the formula QR′k(+), wherein Q is selected from phosphorous, sulfur, nitrogen, arsenic, or antimony, wherein each R′ is independently selected from hydrogen and a nonfluorinated, partially fluorinated, or perfluorinated, C1-C20 alkyl, aryl, aralkyl, or alkenyl group, and wherein k is the valence of Q plus one; wherein the catalyst composition is a compound or the precursors thereof added separately or as a mixture; and a composition of the formula: R″2SOx wherein each R″ is C1-C30 alkyl, aralkyl, the two R″ groups together form a heterocyclic C3-C30 cycloalkyl, aryl, or aralkyl, each R″ can be fluorinated, and x is 1 or 2. Also provided are methods of making a fluoropolymer and fluoropolymer articles containing fluoropolymer compositions.
摘要翻译:包含衍生自含氮固化位点单体的含氟聚合物的组合物,包含至少一个阴离子官能团的催化剂组合物和至少一种具有式QR'(+ )其中Q选自磷,硫,氮,砷或锑,其中每个R'独立地选自氢和非氟化,部分氟化或全氟化的C 1 H 2, -C 20烷基,芳基,芳烷基或烯基,其中k是Q + 1的化合价; 其中所述催化剂组合物是分别或作为混合物加入的化合物或其前体; 和式“R”2 SO x x的组合物,其中每个R“为C 1 -C 30 - , - 烷基,芳烷基,两个R“基团一起形成杂环C 3 -C 30 - 环烷基,芳基或芳烷基,每个R”可以被氟化, 并且x是1或2.还提供了制备含氟聚合物组合物的含氟聚合物和含氟聚合物制品的方法。
摘要:
Compositions having a fluoropolymer with a nitrile-containing cure site and at least a) a mono azide with at least one functional group in the beta position, or b) a polyazide, as a curing agent as well as methods and articles thereof are described. Articles of this disclosure are found to exhibit excellent chemical resistance and thermal stability.
摘要:
A catalyst composition comprising a cation and an anion of the formula Anq−Qpm+, wherein m, n, p, and q are positive integers, wherein m*p=n*q, wherein Qm+ is an organo onium, and Aq− is an anion, provided that at least one Aq− is selected from the formula (I) wherein each R independently is H, halo, alkyl, aryl, aralkyl, or cycloalkyl, and which also may be halogenated, fluorinated, or perfluorinated, wherein two or more of R and R′ groups may together form a ring, wherein each R group independently may contain one or more heteroatom(s), wherein R′ can be the same as R, with the proviso that R′ cannot be halo, and wherein the catalyst composition is essentially free of hydrocarbon containing alcohol. Also provided are a fluoropolymer composition including this curative, a method of making a fluoropolymer, and fluoropolymer articles containing curable or cured fluoropolymer compositions
摘要翻译:一种包含阳离子和式Anq-Qpm +的阴离子的催化剂组合物,其中m,n,p和q是正整数,其中m * p = n * q,其中Qm +是有机鎓,Aq-是 阴离子,条件是至少一个Aq-选自式(I),其中每个R独立地为H,卤素,烷基,芳基,芳烷基或环烷基,并且还可以是卤化,氟化或全氟化的,其中两个或 更多的R和R'基团可以一起形成环,其中每个R基团独立地可以含有一个或多个杂原子,其中R'可以与R相同,条件是R'不能是卤素,并且其中 催化剂组合物基本上不含含烃的醇。 还提供了包含该固化剂的含氟聚合物组合物,制备含氟聚合物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
摘要:
Provided is a method of manufacturing a perhalogenated elastomer comprising using an onium compound to coagulate a latex comprising polymer particles, the polymer particles consisting essentially of interpolymerized units of one or more perhalogenated comonomer(s) and at least one cure site monomer, wherein the coagulation is performed essentially free of metal ions and metal salts. Also provided is an elastomeric composition comprising a curable perhalogenated elastomer comprising interpolymerized units derived from a nitrogen-containing cure site monomer and coagulated with an onium compound, wherein the elastomer is capable of curing without adding further components and wherein the composition is essentially free of metal ions and metal salts. Also provided are fluoropolymer articles and methods of making fluoropolymer compositions and articles.
摘要:
Compositions comprising a fluoropolymer having interpolymerized units derived from a nitrogen-containing cure site monomer and a cure catalyst derived from an amidine and an acid having a pKa value of about −1 to about 4 are provided. Also provided are a method of making a fluoropolymer and fluoropolymer articles containing curable or cured fluoropolymer compositions.
摘要:
Described herein are substantially linear copolymeric compositions having at least two azide groups and at least two non-activated acetylene groups. The azide groups and the non-activated acetylene groups are reacted to cure the substantially linear copolymer composition. Also, described are methods of making and using such substantially linear copolymeric compositions.
摘要:
A curative composition comprising a cation and an anion of the formula Anq−Qpm+, wherein m, n, p, and q are positive integers, wherein m*p=n*q, wherein Qm+ is an organo onium, and Aq− is an anion, provided that at least one Aq− is selected from the formula: wherein each R independently is H, halo, alkyl, aryl, aralkyl, or cycloalkyl, and which also may be halogenated, fluorinated, or perfluorinated, wherein two or more of R and R′ groups may together form a ring, wherein each R group independently may contain one or more heteroatom(s), wherein R′ can be the same as R, with the proviso that R′ cannot be halo. Also provided are a fluoropolymer composition including this curative, a method of making a fluoropolymer, and fluoropolymer articles containing curable or cured fluoropolymer compositions.
摘要翻译:包含阳离子和式A的阴离子的固化剂组合物,其中m ,n,p和q是正整数,其中m * p = n * q,其中Q m +是有机鎓,A q - 是阴离子, 条件是从下式中选择至少一个A q - :其中每个R独立地是H,卤素,烷基,芳基,芳烷基或环烷基,并且也可以是卤化的,氟化的或全氟化的 其中R和R'基团中的两个或多个可以一起形成环,其中每个R基团可独立地含有一个或多个杂原子,其中R'可以与R相同,条件是R'不能为 光环。 还提供了包含该固化剂的含氟聚合物组合物,制备含氟聚合物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。