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公开(公告)号：US08404756B2
公开(公告)日：2013-03-26
申请号：US13446633
申请日：2012-04-13
IPC分类号： C08J9/00 , C08J9/12 , C08F214/26
CPC分类号： C08J9/122 , C08J9/0061 , C08J2201/03 , C08J2207/06 , C08J2327/18 , C08J2427/00 , C08L27/12 , C08L27/18 , C08L2205/02 , H01B3/445 , C08L2666/04
摘要： A foamable fluoropolymer composition containing foam cell nucleating agent is provided, wherein the fluoropolymer comprises melt-fabricable tetrafluoroethylene-/hexafluoropropylene copolymer and tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, wherein the alkyl contains 1 to 4 carbon atoms, wherein the melting temperature of said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer is no more than 35° C. greater than the melting temperature of said tetrafluoroethylene/hexafluoropropylene copolymer, and/or wherein said tetrafluoroethylene/hexafluoropropylene copolymer and said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer each have a melt flow rate (MFR) within the range of 1 to 40 g/10 min and the MFR of one of said copolymers is at least twice that of the other of said copolymers.
摘要翻译： 提供了一种含发泡体成核剂的发泡性含氟聚合物组合物，其中含氟聚合物包括可熔融制造的四氟乙烯/六氟丙烯共聚物和四氟乙烯/全氟（烷基乙烯基醚）共聚物，其中烷基含有1至4个碳原子， 所述四氟乙烯/全氟（烷基乙烯基醚）共聚物不大于所述四氟乙烯/六氟丙烯共聚物的熔融温度35℃以上，和/或其中所述四氟乙烯/六氟丙烯共聚物和所述四氟乙烯/全氟（烷基乙烯基醚）共聚物 各自的熔体流动速率（MFR）在1至40g / 10min的范围内，所述共聚物之一的MFR至少是所述共聚物中的另一种的MFR的两倍。
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2.发明授权Core/shell polymer and fluoropolymer blending blow molding and blown film process 有权核/壳聚合物和含氟聚合物共混吹塑和吹膜工艺公开(公告)号：US08192677B2
公开(公告)日：2012-06-05
申请号：US12328811
申请日：2008-12-05
IPC分类号： B29C49/04
CPC分类号： B29C47/0004 , B29C47/0011 , B29C47/0021 , B29C47/0023 , B29C47/0026 , B29C47/003 , B29C47/0057 , B29C49/0005 , B29C49/04 , B29K2027/12 , B29K2027/18 , B29K2105/162 , B29K2227/18
摘要： A process is provided for extruding a partially crystalline melt-fabricable perfluoropolymers. The process comprises blow molding from a perfluoropolymer having polytetrafluoroethylene sub-micrometer particles dispersed therein. The perfluoropolymer composition is a core/shell polymer, with pelletized blend, a dispersion blend or a melt-mixed polymer.
摘要翻译： 提供了用于挤出部分结晶的可熔融制造的全氟聚合物的方法。 该方法包括从其中分散有聚四氟乙烯亚微米颗粒的全氟聚合物吹塑。 全氟聚合物组合物是核/壳聚合物，具有颗粒状共混物，分散体共混物或熔融混合聚合物。
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公开(公告)号：US20120010368A1
公开(公告)日：2012-01-12
申请号：US13239753
申请日：2011-09-22
IPC分类号： C08L27/18
CPC分类号： C08L27/18 , C08F2/00 , C08F114/26 , C08F259/08 , C08L51/003 , C08L2205/02 , C08L2205/025 , Y10S525/902 , C08L2666/02
摘要： A melt-mixed composition of non-melt flowable polytetrafluoroethylene (PTFE) and melt-fabricable perfluoropolymer is provided that exhibits thixotropy at increasing shear rate in the molten state and high elongation at break even at PTFE concentrations well above 4 wt %, based on the combined weight of the PTFE and the perfluoropolymer, e.g. at least 200% up to at least 30 wt % PTFE, the composition also exhibiting the structure of a dispersion of submicrometer-size particles of the PTFE in a continuous phase of the melt-fabricable perfluoropolymer.
摘要翻译： 提供了不熔融可流动的聚四氟乙烯（PTFE）和可熔融制造的全氟聚合物的熔融混合组合物，其在熔融状态下以增加的剪切速率显示出触变性，并且即使在高于4wt％的PTFE浓度下也显示出高的断裂伸长率，基于 PTFE和全氟聚合物的组合重量，例如 至少200％至至少30重量％的PTFE，该组合物还表现出在可熔融制造的全氟聚合物的连续相中PTFE的亚微米尺寸颗粒的分散体的结构。
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公开(公告)号：US07964274B2
公开(公告)日：2011-06-21
申请号：US11601363
申请日：2006-11-16
IPC分类号： B32B5/16 , B32B1/08 , C08L27/18 , C08L27/12 , C08F259/08 , C08F214/26
CPC分类号： C08L27/12 , C08J5/046 , C08J5/18 , C08J2327/18 , C08L27/18 , C08L2205/02 , C08L2205/22 , Y10T428/1372 , Y10T428/139 , Y10T428/1397 , Y10T428/254 , Y10T428/268 , Y10T428/269 , C08L2666/04
摘要： Tensile strength after heat aging of articles molded from melt-fabricable perfluoropolymer is improved by incorporating polytetrafluoroethylene as dispersed submicrometer-size particles into the melt-fabricable perfluoropolymer.
摘要翻译： 通过将聚四氟乙烯作为分散的亚微米级粒子并入可熔融制造的全氟聚合物中，通过可熔融制造的全氟聚合物成型制品的热老化后的拉伸强度得到改善。
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公开(公告)号：US07763680B2
公开(公告)日：2010-07-27
申请号：US11601364
申请日：2006-11-16
IPC分类号： C08L27/18 , C08L27/12 , C08F259/08 , C08F214/26
CPC分类号： C08F259/08 , C08F297/02 , C08L51/003 , C09D151/003 , C08L2666/02
摘要： Core/shell polymer is provided wherein the core comprises non-melt flowable PTFE and the shell comprises melt-fabricable perfluoropolymer, the core/shell polymer providing a thixotropic melt blend and improved physical properties as compared to the melt-fabricable perfluoropolymer by itself.
摘要翻译： 提供了核/壳聚合物，其中芯包含不可熔融流动的PTFE，并且壳包含可熔融制造的全氟聚合物，与可熔融制造的全氟聚合物本身相比，芯/壳聚合物提供触变性熔融共混物和改善的物理性能。
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公开(公告)号：US20080118691A1
公开(公告)日：2008-05-22
申请号：US11601363
申请日：2006-11-16
CPC分类号： C08L27/12 , C08J5/046 , C08J5/18 , C08J2327/18 , C08L27/18 , C08L2205/02 , C08L2205/22 , Y10T428/1372 , Y10T428/139 , Y10T428/1397 , Y10T428/254 , Y10T428/268 , Y10T428/269 , C08L2666/04
摘要： Tensile strength after heat aged of articles molded from melt-fabricable perfluoropolymer is improved by incorporating polytetrafluoroethylene as dispersed submicrometer-size particles into the melt-fabricable perfluoropolymer.
摘要翻译： 通过将聚四氟乙烯作为分散的亚微米级粒子并入可熔融制造的全氟聚合物中，通过可熔融制造的全氟聚合物成型制品的热老化后的拉伸强度得到改善。
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公开(公告)号：US08053527B2
公开(公告)日：2011-11-08
申请号：US12685706
申请日：2010-01-12
CPC分类号： C08L27/18 , C08F2/00 , C08F114/26 , C08F259/08 , C08L51/003 , C08L2205/02 , C08L2205/025 , Y10S525/902 , C08L2666/02
摘要： A melt-mixed composition of non-melt flowable polytetrafluoroethylene (PTFE) and melt-fabricable perfluoropolymer is provided that exhibits thixotropy at increasing shear rate in the molten state and high elongation at break even at PTFE concentrations well above 4 wt %, based on the combined weight of the PTFE and the perfluoropolymer, e.g. at least 200% up to at least 30 wt % PTFE, the composition also exhibiting the structure of a dispersion of submicrometer-size particles of the PTFE in a continuous phase of the melt-fabricable perfluoropolymer.
摘要翻译： 提供了不熔融可流动的聚四氟乙烯（PTFE）和可熔融制造的全氟聚合物的熔融混合组合物，其在熔融状态下以增加的剪切速率显示出触变性，并且即使在高于4wt％的PTFE浓度下也显示出高的断裂伸长率，基于 PTFE和全氟聚合物的组合重量，例如 至少200％至至少30重量％的PTFE，该组合物还表现出在可熔融制造的全氟聚合物的连续相中PTFE的亚微米尺寸颗粒的分散体的结构。
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公开(公告)号：US07947775B2
公开(公告)日：2011-05-24
申请号：US12568795
申请日：2009-09-29
IPC分类号： C08J3/12 , C08F259/08 , C08L27/18
CPC分类号： C08J3/201 , B29C45/0001 , B29C47/0004 , B29C47/0016 , B29K2027/18 , C08J2327/18 , C08L27/18 , C08L2205/02 , C08L2666/04
摘要： Aqueous dispersions on non-melt flowable PTFE and melt-fabricable perfluoropolymer are mixed together, followed by recovery of the resultant mixture of the dispersed particles of each of these polymers, and melt mixing of the resultant mixture of particles to obtain a blend in which the PTFE particles form the disperse phase and the perfluoropolymer forms the continuous phase, the melt mixing producing advantageous melt viscosities and the blend exhibiting advantageous physical properties even at high PTFE contents of about 30 wt %.
摘要翻译： 将不可熔融流动的PTFE和可熔融制造的全氟聚合物上的水性分散体混合在一起，然后回收所得到的这些聚合物的分散颗粒的混合物，并将所得到的混合物熔融混合，得到其中 PTFE颗粒形成分散相并且全氟聚合物形成连续相，熔融混合产生有利的熔体粘度，并且即使在约30重量％的高PTFE含量下，共混物显示出有利的物理性能。
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9.发明申请AQUEOUS DISPERSION POLYMERIZATION PROCESS FOR ETHYLENE/TETRAFLUOROETHYLENE COPOLYMER 审中-公开乙烯/四氟乙烯共聚物的水性分散聚合方法公开(公告)号：US20110092644A1
公开(公告)日：2011-04-21
申请号：US12999416
申请日：2009-06-25
CPC分类号： C08F259/08 , C08K5/101
摘要： A polymerization process is provided to form a copolymer of ethylene with tetrafluoroethylene and a modifying monomer having a side chain containing at least two carbon atoms by initiating the polymerization in an aqueous medium with a fluoromonomer that forms a stable dispersion of polymer particles from the fluoromonomer in the aqueous medium, which forms polymerization sites for further polymerization, and carrying the further polymerization by copolymerizing the ethylene, tetrafluoroethylene, and modifying monomer as a dispersion in at least said aqueous medium to a polymer solids content of at least 15 wt %, said copolymer comprising at least 60 wt % of the total polymer content of the polymer solids.
摘要翻译： 提供聚合方法以形成乙烯与四氟乙烯的共聚物和具有含至少两个碳原子的侧链的改性单体，通过在含水单体中引发聚合反应，所述含氟单体形成聚合物颗粒从含氟单体的稳定分散体 水性介质，其形成用于进一步聚合的聚合位点，并且通过使至少所述水性介质中的分散体共聚乙烯，四氟乙烯和改性单体，使聚合物固体含量为至少15重量％进行进一步聚合，所述共聚物 包含聚合物固体的总聚合物含量的至少60重量％。
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公开(公告)号：US20100288533A1
公开(公告)日：2010-11-18
申请号：US12775506
申请日：2010-05-07
IPC分类号： H01B17/00 , C08F214/26 , B05D5/12
CPC分类号： C08J9/122 , C08J9/0061 , C08J2201/03 , C08J2207/06 , C08J2327/18 , C08J2427/00 , C08L27/12 , C08L27/18 , C08L2205/02 , H01B3/445 , C08L2666/04
摘要： A foamable fluoropolymer composition containing foam cell nucleating agent is provided, wherein the fluoropolymer comprises melt-fabricable tetrafluoroethylene-/hexafluoropropylene copolymer and tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, wherein the alkyl contains 1 to 4 carbon atoms, wherein the melting temperature of said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer is no more than 35° C. greater than the melting temperature of said tetrafluoroethylene/hexafluoropropylene copolymer, and/or wherein said tetrafluoroethylene/hexafluoropropylene copolymer and said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer each have a melt flow rate (MFR) within the range of 1 to 40 g/10 min and the MFR of one of said copolymers is at least twice that of the other of said copolymers.
摘要翻译： 提供了一种含发泡体成核剂的发泡性含氟聚合物组合物，其中含氟聚合物包括可熔融制造的四氟乙烯/六氟丙烯共聚物和四氟乙烯/全氟（烷基乙烯基醚）共聚物，其中烷基含有1至4个碳原子， 所述四氟乙烯/全氟（烷基乙烯基醚）共聚物不大于所述四氟乙烯/六氟丙烯共聚物的熔融温度35℃以上，和/或其中所述四氟乙烯/六氟丙烯共聚物和所述四氟乙烯/全氟（烷基乙烯基醚）共聚物 各自的熔体流动速率（MFR）在1至40g / 10min的范围内，所述共聚物之一的MFR至少是所述共聚物中的另一种的MFR的两倍。
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