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公开(公告)号:US07678848B2
公开(公告)日:2010-03-16
申请号:US11319804
申请日:2005-12-29
申请人: Marco Malvasi , Valeri Kapeliouchko
发明人: Marco Malvasi , Valeri Kapeliouchko
IPC分类号: C08L1/00
CPC分类号: C08F6/16 , C08J3/03 , C08J2327/12 , C08L27/12
摘要: A process to substantially remove fluorinated anionic surfactants from fluoropolymer dispersions comprising the following steps: a) addition to the fluoropolymer dispersion of one or more non fluorinated surfactants; b) contact of the dispersion with an anionic exchanger; c) separation of the dispersion from the anionic exchanger and recovery of the dispersion substantially fluorinated anionic surfactant free.
摘要翻译: 从含氟聚合物分散体中大量除去氟化阴离子表面活性剂的方法,包括以下步骤:a)加入一种或多种非氟化表面活性剂的含氟聚合物分散体; b)分散体与阴离子交换剂的接触; c)从阴离子交换剂分离分散体并回收分散体基本氟化的阴离子表面活性剂。
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公开(公告)号:US07294276B2
公开(公告)日:2007-11-13
申请号:US11319802
申请日:2005-12-29
CPC分类号: C08F6/16 , C08J3/03 , C08J2327/12 , Y10S210/915 , C08L27/12
摘要: A process to substantially remove the fluorinated anionic surfactants from fluoropolymer dispersions comprising the following steps: a) addition to the fluoropolymer dispersion of an anionic polyelectrolyte; b) contact of the dispersion with an anionic exchanger; c) separation of the dispersion from the anionic exchanger and recovery of the dispersion substantially fluorinated anionic surfactant free.
摘要翻译: 从含氟聚合物分散体中大量除去氟化阴离子表面活性剂的方法,包括以下步骤:a)加入阴离子聚电解质的氟聚合物分散体; b)分散体与阴离子交换剂的接触; c)从阴离子交换剂分离分散体并回收分散体基本氟化的阴离子表面活性剂。
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公开(公告)号:US07691936B2
公开(公告)日:2010-04-06
申请号:US11488022
申请日:2006-07-18
IPC分类号: C08L27/12
CPC分类号: C08F6/22 , C08F6/16 , C08F6/18 , C08J3/12 , C08J3/128 , C08J2327/12 , C08L27/12 , C08L2666/04
摘要: Fine fluoropolymer powders substantially fluorinated surfactant free, in particular fluorinated ionic surfactants, preferably perfluorooctanoic acid or its salts, comprising an anionic polyelectrolyte.
摘要翻译: 基本上不含氟表面活性剂的精细含氟聚合物粉末,特别是包含阴离子聚电解质的氟化离子表面活性剂,优选全氟辛酸或其盐。
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公开(公告)号:US20050154104A1
公开(公告)日:2005-07-14
申请号:US11002907
申请日:2004-12-03
申请人: Marco Malvasi , Valeri Kapeliouchko
发明人: Marco Malvasi , Valeri Kapeliouchko
IPC分类号: C08K5/098 , C08K5/42 , C08L27/12 , C09D127/12 , C08J3/00
CPC分类号: C08F6/16 , C08K5/42 , C09D127/12 , C08L27/12
摘要: Dispersions of fluorinated polymers substantially free from fluorinated surfactants, having high stability to shear combined with high stability to segregation, said dispersions comprising one or more anionic surfactants having the following general formula (1): Y′—(P1)n—CH(Y)—(P2)n′—Y″ (1) wherein: Y, Y′ and Y″ are anionic or nonionic groups, with the proviso that at least one of Y, Y′ or Y″ is an anionic group and at least one of the remaining of Y, Y′ or Y″ is a nonionic group; p1 and p2, equal or different, are linear or branched alkylene groups, optionally containing one or more unsaturations, having a number of carbon atoms from 1 to 10, preferably from 1 to 6; n and n′ equal or different, are zero or 1.
摘要翻译: 所述分散体包含一种或多种具有以下通式(1)的阴离子表面活性剂:<?在线配方说明=“In - 线性公式“end =”lead“?> Y' - (P 1)n - (Y) - (P 2) 其中:Y,Y'和Y“是阴离子的,其中Y,Y'和Y”是阴离子的 或非离子基团,条件是Y,Y'或Y“中的至少一个为阴离子基团,Y,Y'或Y”中剩余的至少一个为非离子基团; 相同或不同的p1和p2是直链或支链的亚烷基,任选地含有一个或多个不饱和基团,其具有1-10个碳原子,优选 从1到6; n和n'相等或不同,为零或1。
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公开(公告)号:US20050107506A1
公开(公告)日:2005-05-19
申请号:US10968048
申请日:2004-10-20
申请人: Valeri Kapeliouchko , Marco Malvasi
发明人: Valeri Kapeliouchko , Marco Malvasi
CPC分类号: C08F6/16 , C08F6/20 , C08J3/03 , C08J2327/12 , C08L27/12
摘要: A process for preparing fluoropolymer dispersions, substantially free from anionic fluorinated surfactants, and with a coagulum amount
摘要翻译: 制备基本上不含阴离子氟化表面活性剂,凝固物含量<0.1重量%的含氟聚合物分散体的方法,包括:a)步骤a1)添加:浊点(CP)在40℃和80℃之间的非离子表面活性剂 ℃,相对于分散体含氟聚合物为1.5重量%至50重量%; 和任选的电解质,使分散体的比电导率达到130-8,000μS/ cm的范围内的值; 任选的缓冲剂可以通过乳液聚合方法获得的含氟聚合物分散体的pH在2和12之间; 步骤a2):将在a1)中得到的分散体加热至CP±10℃范围内的温度T 在没有搅拌的情况下,在温度T℃下倾析,直到在两个水相中得到分散分离物,其中含有含氟聚合物的低分子被排出; b)步骤b1):步骤a2)中获得的分散体任选地加入如a1)中的电解质和非离子表面活性剂。
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公开(公告)号:US06878772B2
公开(公告)日:2005-04-12
申请号:US10360732
申请日:2003-02-10
IPC分类号: C08J7/04 , C03C25/40 , C08F2/24 , C08F2/26 , C08F14/18 , C08K5/17 , C08L27/12 , C08L71/02 , C09D127/18 , D06M13/21 , D06M13/265 , D06M15/256 , D06M15/277 , C08K5/06
CPC分类号: C08F14/18 , C03C25/40 , C08L71/02 , C09D127/18 , C08F2/16 , C08L2666/22
摘要: Fluoropolymer aqueous dispersions having particles with average diameters from 150 to 400 nm, comprising bifunctional fluorinated surfactants having formula: A-Rf—B (I) wherein: A and B, equal to or different from each other, are: —(O)pCFX—COOM; M=NH4, alkaline metal, H; X=F, CF3; p is an integer equal to 0 or 1; Rf is a linear or branched perfluoroalkyl chain, or a (per)fluoropolyether chain such that the number average molecular weight of (I) is in the range 300-1,800.
摘要翻译: 具有平均直径为150-400nm的颗粒的含氟聚合物水性分散体包括具有下式的双功能氟化表面活性剂:其中:A和B彼此相同或不同,是: - (O)pCFX-COOM; M = NH 4,碱 金属,H; X = F,CF 3; p是等于0或1的整数; Rf是直链或支链全氟烷基链或(全)氟聚醚链,使得(I)的数均分子量在 范围300-1,800。
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公开(公告)号:US20070021551A1
公开(公告)日:2007-01-25
申请号:US11488022
申请日:2006-07-18
IPC分类号: C08L27/12
CPC分类号: C08F6/22 , C08F6/16 , C08F6/18 , C08J3/12 , C08J3/128 , C08J2327/12 , C08L27/12 , C08L2666/04
摘要: Fine fluoropolymer powders substantially fluorinated surfactant free, in particular fluorinated ionic surfactants, preferably perfluorooctanoic acid or its salts, comprising an anionic polyelectrolyte.
摘要翻译: 基本上不含氟表面活性剂的精细含氟聚合物粉末,特别是包含阴离子聚电解质的氟化离子表面活性剂,优选全氟辛酸或其盐。
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公开(公告)号:US20060144794A1
公开(公告)日:2006-07-06
申请号:US11319802
申请日:2005-12-29
IPC分类号: C02F1/42
CPC分类号: C08F6/16 , C08J3/03 , C08J2327/12 , Y10S210/915 , C08L27/12
摘要: A process to substantially remove the fluorinated anionic surfactants from fluoropolymer dispersions comprising the following steps: a) addition to the fluoropolymer dispersion of an anionic polyelectrolyte; b) contact of the dispersion with an anionic exchanger; c) separation of the dispersion from the anionic exchanger and recovery of the dispersion substantially fluorinated anionic surfactant free.
摘要翻译: 从含氟聚合物分散体中大量除去氟化阴离子表面活性剂的方法,包括以下步骤:a)加入阴离子聚电解质的含氟聚合物分散体; b)分散体与阴离子交换剂的接触; c)从阴离子交换剂分离分散体并回收分散体基本氟化的阴离子表面活性剂。
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公开(公告)号:US07534825B2
公开(公告)日:2009-05-19
申请号:US11002907
申请日:2004-12-03
申请人: Marco Malvasi , Valeri Kapeliouchko
发明人: Marco Malvasi , Valeri Kapeliouchko
IPC分类号: C08J3/00
CPC分类号: C08F6/16 , C08K5/42 , C09D127/12 , C08L27/12
摘要: Dispersions of fluorinated polymers substantially free from fluorinated surfactants, having high stability to shear combined with high stability to segregation, said dispersions comprising one or more anionic surfactants having the following general formula (1): Y′-(P1)n-CH(Y)-(P2)n′-Y″ (1) wherein: Y, Y′ and Y″ are anionic or nonionic groups, with the proviso that at least one of Y, Y′ or Y″ is an anionic group and at least one of the remaining of Y, Y′ or Y″ is a nonionic group; p1 and p2, equal or different, are linear or branched alkylene groups, optionally containing one or more unsaturations, having a number of carbon atoms from 1 to 10, preferably from 1 to 6; n and n′ equal or different, are zero or 1.
摘要翻译: 所述分散体包含一种或多种具有以下通式(1)的阴离子表面活性剂:<?在线配方说明=“In 线型公式“end =”lead“?> Y' - (P1)n-CH(Y) - (P2)n'-Y”(1)<?in-line-formula description = “end =”tail“?>其中:Y,Y'和Y”是阴离子或非离子基团,条件是Y,Y'或Y“中的至少一个是阴离子基团,并且至少一个 剩余的Y,Y'或Y“是非离子基团; p1和p2相同或不同,是直链或支链的亚烷基,任选地含有一个或多个不饱和基团,其具有1至10个碳原子,优选1至6个碳原子数; n和n'相等或不同,为零或1。
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公开(公告)号:US07297744B2
公开(公告)日:2007-11-20
申请号:US10968048
申请日:2004-10-20
申请人: Valeri Kapeliouchko , Marco Malvasi
发明人: Valeri Kapeliouchko , Marco Malvasi
IPC分类号: C08L27/12
CPC分类号: C08F6/16 , C08F6/20 , C08J3/03 , C08J2327/12 , C08L27/12
摘要: A process for preparing fluoropolymer dispersions, substantially free from anionic fluorinated surfactants, and with a coagulum amount
摘要翻译: 制备基本上不含阴离子氟化表面活性剂,凝固物含量<0.1重量%的含氟聚合物分散体的方法,包括:a)步骤a1)添加:浊点(CP)在40℃和80℃之间的非离子表面活性剂 ℃,相对于分散体含氟聚合物为1.5重量%至50重量%; 和任选的电解质,使分散体的比电导率达到130-8,000μS/ cm的范围内的值; 任选的缓冲剂可以通过乳液聚合方法获得的含氟聚合物分散体的pH在2和12之间; 步骤a2):将在a1)中得到的分散体加热至CP±10℃范围内的温度T 在没有搅拌的情况下,在温度T℃下倾析,直到在两个水相中得到分散分离物,其中含有含氟聚合物的低分子被排出; b)步骤b1):步骤a2)中获得的分散体任选地加入如a1)中的电解质和非离子表面活性剂。
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