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22. 发明授权

US3969434A Process for preparing ionically crosslinked copolymers 失效
标题翻译：制备离子交联共聚物的方法
公开(公告)号：US3969434A
公开(公告)日：1976-07-13
申请号：US410884
申请日：1973-10-29
申请人： Richard James Powell , George Wyatt Prejean
发明人： Richard James Powell , George Wyatt Prejean
IPC分类号： C08L23/00 , C08F8/00 , C08F8/44 , C08F210/00 , C08F220/00 , C08F220/04 , C08G83/00 , C08J3/24 , C08K5/09 , C08K5/098 , C08L23/02 , C08L23/26 , C08L33/00 , C08L33/02 , C08L101/00 , C08L23/08
CPC分类号： C08K5/098 , C08J3/246 , C08L23/025 , Y10S260/31
摘要： Process for ionically crosslinking first copolymers formed by copolymerizing at least one alpha-olefin of the general formula RCH=CH.sub.2 where R is hydrogen or hydrocarbyl having 1 to 8 carbon atoms and at least one alpha, beta-ethylenically unsaturated carboxylic acid having 1 to 2 carboxylic acid groups and 3 to 8 carbon atoms, the alpha-olefin content of the first copolymer comprising at least 50 mole percent of the first copolymer, the alpha, beta-ethylenically unsaturated acid content of said first copolymer comprising 0.2 to 25 mole percent of the first copolymer which comprises mixing the first copolymer with a cation-supplying blend of 20 to 80 percent by weight of substantially water-insoluble zinc oxide and/or zinc hydroxide and/or zinc carbonate, 0 to 10 percent by weight of a lubricant and a complemental amount of a second copolymer with a melt index of 50 to 2000 g./10 min. formed as the first copolymer, at a pressure of 100 to 10,000 p.s.i., at a temperature above the melting point of both the first and second copolymers and between 100.degree.C. and 330.degree.C., with the amount of the cation-supplying blend present being that amount which has sufficient cations to neutralize at least 10 percent of the carboxylic acid groups in the first and second copolymers and neutralizing at least 10 percent of the carboxylic acid groups in the first and second copolymers, characterized in that there is present during the crosslinking reaction, 0.5 to 20 percent by weight, based on the total weight of the cation-supplying blend, of at least one zinc salt of a volatile organic acid.
摘要翻译：通过使至少一种通式RCH = CH 2的α-烯烃（其中R是氢或具有1至8个碳原子的烃基）和至少一种具有1至2个的α，β-烯属不饱和羧酸的共聚合形成的第一共聚物的离子交联方法羧酸基团和3至8个碳原子，所述第一共聚物的α-烯烃含量包含至少50摩尔％的第一共聚物，所述第一共聚物的α，β-烯属不饱和酸含量包含0.2至25摩尔％所述第一共聚物包括将第一共聚物与20至80重量％的基本上不溶于水的氧化锌和/或氢氧化锌和/或碳酸锌，0至10重量％的润滑剂和互补量的第二共聚物，其熔体指数为50-2000g / 10min。在高于第一和第二共聚物的熔点的温度和100℃至330℃的温度下，在100至10,000psi的压力下形成第一共聚物，并且阳离子供应共混物的量存在的量具有足够的阳离子以中和第一和第二共聚物中的至少10％的羧酸基团并且中和第一和第二共聚物中的至少10％的羧酸基团，其特征在于存在于交联反应，基于阳离子供应共混物的总重量为0.5至20重量％的至少一种挥发性有机酸的锌盐。

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