Abstract:
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.
Abstract translation:一种包含式Anq-Qpm +的阳离子和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Qm +是有机鎓,Aq-是 阴离子,条件是至少一个Aq-选自下式:其中每个R独立地为H,卤素,烷基,芳基,芳烷基或环烷基,并且也可以是卤化,氟化或全氟化,其中两个或多个 R和R'基团可以一起形成环,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'不能为卤素。 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。
Abstract:
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.
Abstract translation: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。
Abstract:
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.
Abstract:
A curative composition suitable for fluoroelastomers comprising an anion of Formula III: wherein each Rf independently is R—CF2 or a perfluoroalkyl group having from 1 to 8 carbon atoms, wherein R is H, halo, alkyl, aryl, or cycloalkyl, having up to 8 carbon atoms and which also may be halogenated, fluorinated, or perfluorinated, and which may contain a heteroatom, wherein X is a linking group, and wherein n is a positive integer. Also provided are a fluoropolymer composition including this curative, a method of making a fluoropolymer, and fluoropolymer articles containing curable or cured fluoropolymer compositions.
Abstract:
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.
Abstract translation:一种包含式Anq-Qpm +的阳离子和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Qm +是有机鎓,Aq-是 阴离子,条件是至少一个Aq-选自下式:其中每个R独立地为H,卤素,烷基,芳基,芳烷基或环烷基,并且也可以是卤化,氟化或全氟化,其中两个或多个 R和R'基团可以一起形成环,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'不能为卤素。 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。
Abstract:
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.
Abstract translation: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。
Abstract:
Provided is a composition comprising a fluoropolymer comprising interpolymerized units derived from a nitrile cure site monomer, and an amino-substituted aromatic curative compound having at least one substituent other than hydrogen, wherein the net effect of the substituent(s) is not electron withdrawing, the curative has a pKa above about 12, the compound may contain one or more heteroatom(s) provided that no heteroatom directly bonded to a hydrogen is in the position ortho to the amino group, and one or more substituents may together form a ring, which ring may be aromatic and may include one or more heteroatoms(s). Also provided are the reaction products of the fluoropolymer and the curative described, cured articles, and a method of making the fluoropolymer compositions and articles.
Abstract:
Described herein is a method of coagulating a fluoropolymer latex comprising: providing an amorphous fluoropolymer latex; providing unmodified inorganic nanoparticles; contacting the amorphous fluoropolymer latex with a sufficient amount of unmodified inorganic nanoparticles to coagulate the amorphous fluoropolymer.