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1. 发明申请

US20030092825A1 Fluoropolymer dispersions 失效
标题翻译：含氟聚合物分散体
公开(公告)号：US20030092825A1
公开(公告)日：2003-05-15
申请号：US10325864
申请日：2002-12-23
申请人： AUSIMONT S.P.A.
发明人： Mario Visca , Daria Lenti , Marco Malvasi , Enrico Marchese
IPC分类号： C08K003/20
CPC分类号： C09D127/18 , C08L27/18 , C08L2205/02 , C08L2666/04
摘要： Mixtures of fluoropolymer dispersion, wherein: a) a dispersion is formed by TFE (co)polymers with average particle sizes in the range 180-400 nm; b) another dispersion selected from: 1) (co)polymer dispersion of TFE; 2) thermoplastic copolymers of TFE; the average particle sizes of dispersion b) range from 20 to 60 nm; the ratio between the particle sizes of dispersion b) compared with those of dispersion a) is lower than 0.3.
摘要翻译：含氟聚合物分散体的混合物，其中：a）通过TFE（共）聚合物形成分散体，平均粒径在180-400nm范围内; b）选自以下的另一种分散体：1）TFE的（共）聚合物分散体; 2）TFE的热塑性共聚物; 分散体b）的平均粒径为20〜60nm; 分散体b）的粒径与分散体a）的比例小于0.3。

2. 发明申请

US20010020063A1 Process for the preparation of aqueous dispersions of fluoropolymers 失效
标题翻译：制备含氟聚合物水分散体的方法
公开(公告)号：US20010020063A1
公开(公告)日：2001-09-06
申请号：US09789728
申请日：2001-02-22
申请人： Ausimont S.p.A.
发明人： Valery Kapeliouchko , Enrico Marchese
IPC分类号： C08K003/00 , C08L027/12
CPC分类号： C08F259/08 , C08F2/26 , C08F14/26 , C08F2/16
摘要： Process for the preparation of a dispersion based on homopolymers/copolymers of tetrafluoroethylene (TFE), said dispersion having a bimodal or multimodal distribution of the particle diameters, wherein the fraction of small particles is in the range 1.5-359 by weight calculated on the dry product; the ratio between the average diameter of the small particles with respect to the average diameter of the dispersion obtained from the polymerization being in the range 0.02-0.6; said process comprising the following essential steps: (a) preparation of an aqueous microemulsion comprising fluorinated surfactants and (per)fluoropolyether oils (PFPE); (b) feeding of the microemulsion into the polymerization reactor; (c) feeding of at least one fluorinated surfactant.
摘要翻译：用于制备基于四氟乙烯（TFE）的均聚物/共聚物的分散体的方法，所述分散体具有粒径的双峰或多峰分布，其中小颗粒的分数在干燥条件下计算为1.5-359重量％产品; 小颗粒的平均直径相对于由聚合得到的分散体的平均直径的比在0.02-0.6的范围内; 所述方法包括以下必要步骤：（a）制备包含氟化表面活性剂和（全）氟聚醚油（PFPE）的水性微乳液; （b）将微乳液进料到聚合反应器中; （c）进料至少一种氟化表面活性剂。

3. 发明申请

US20020052437A1 PTFE-based formulation for the insulation of integrated circuits 失效
标题翻译：用于集成电路绝缘的PTFE基配方
公开(公告)号：US20020052437A1
公开(公告)日：2002-05-02
申请号：US09931756
申请日：2001-08-20
申请人： Ausimont S.p.A.
发明人： Valery Kapeliouchko , Enrico Marchese , Tatiana Temtchenko
IPC分类号： C08K005/09
CPC分类号： C08J3/03 , C08J2327/18 , C08K5/03 , C08K5/04 , C08K5/098 , H01B3/445 , C08L27/18
摘要： A formulation based on the PTFE, homopolymer or modified, comprising: 1) latex of said PTFE having a particle diameter between 5 and 100 nm, comprising an anionic fluorinated surfactant in an amount in the range 2-25% by weight based on the PTFE; 2) non ionic fluorinated surfactant added to the PTFE latex in amount in the range 18-60% by weight based on the PTFE.
摘要翻译：基于PTFE，均聚物或改性的制剂，其包含：1）具有5至100nm粒径的所述PTFE的胶乳，其包含基于PTFE的2-25重量％范围内的量的阴离子氟化表面活性剂 ; 2）加入到PTFE胶乳中的非离子氟化表面活性剂的量为基于PTFE的18-60重量％。

4. 发明申请

US20020035221A1 Fine powders of polytetrafluoroethylene 有权
标题翻译：聚四氟乙烯细粉
公开(公告)号：US20020035221A1
公开(公告)日：2002-03-21
申请号：US09907821
申请日：2001-07-19
申请人： Ausimont S.p.A.
发明人： Valery Kapeliouchko , Enrico Marchese
IPC分类号： C08F002/00 , C08F114/18
CPC分类号： C08F259/08
摘要： Fine powders of modified PTFE having a nullcore-shellnull structure; the fine powder being formed by: a nullcorenull of tetrafluoroethylene (TFE) modified by one or more monomers selected from: a) dioxoles; b) one or more perfluorinated monomers which cyclize during the polymerization; a nullshellnull of TFE modified by perfluoropropene (PFP); the amount, referred to the total corenullshell particle, of comonomers 1) in the nullcorenull being in the range 0.01-0.06% by weight; the amount, referred to the total corenullshell particle, of perfluoropropene 2) in the nullshellnull being in the range 0.002-0.06% by weight; the thermal instability index (TII) of the fine powder being equal to or lower than 5, determined according to ASTM D4895.
摘要翻译：具有“核 - 壳”结构的改性PTFE的细粉末; 所述细粉末由以下物质形成的四氟乙烯（TFE）的“芯”：由一种或多种选自以下的单体改性的：a）二氧杂环戊烯; b）在聚合期间环化的一种或多种全氟化单体; 由全氟丙烯（PFP）改性的TFE的“壳”; “芯”中的共聚单体1）的总核心+壳粒子的量在0.01-0.06重量％的范围内; “壳”中的全氟丙烯2的总核+壳粒子的量在0.002-0.06重量％范围内; 根据ASTM D4895测定，细粉末的热不稳定性指数（TII）等于或小于5。

5. 发明申请

US20020132895A1 Aqueous dispersions of fluoropolymers 失效
标题翻译：含氟聚合物的水分散体
公开(公告)号：US20020132895A1
公开(公告)日：2002-09-19
申请号：US10046883
申请日：2002-01-17
申请人： Ausimont S.p.A.
发明人： Tiziana Poggio , Enrico Marchese
IPC分类号： C08K005/06
CPC分类号： C09D127/12 , C08L27/12 , C08L27/18 , C08L71/02 , C09D127/18 , Y10T428/3154 , C08L2666/14
摘要： Aqueous dispersions of fluoropolymers containing as stabilizer from 1 to 30% by weight with respect to the fluoropolymer, of a non ionic surfactant having the following structure: CH3(CH2)nO(C3H6O)p(CH2 CH2O)mH nullnull(I) wherein: n is in the range 8-20, preferably 12-15; m is in the range 5-20, preferably 7-12; p is in the range 1-8, preferably it is 1 or 2.
摘要翻译：含氟聚合物的含水分散体含有相对于含氟聚合物为1〜30重量％的具有以下结构的非离子表面活性剂的稳定剂：＆lt;第lvl =“0”>在线式> CH3（CH2）nO （C 3 H 6 O）p（CH 2 CH 2 O）m H（I）其中：n在8-20，优选12-15的范围内; m在5-20，优选7-12的范围内; p在1-8范围内，最好是1或2。

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