Thermoprocessable copolymers of TFE
    2.
    发明申请
    Thermoprocessable copolymers of TFE 有权
    TFE的热可加工共聚物

    公开(公告)号:US20030158359A1

    公开(公告)日:2003-08-21

    申请号:US10322631

    申请日:2002-12-19

    申请人: AUSIMONT S.p.A

    IPC分类号: C08F114/18

    CPC分类号: C08F214/26

    摘要: Thermoprocessable copolymers of TFE essentially formed by the following monomers: FMVE; a perfluorodioxole of formula: 1 nullthe complement to 100% by weight in compositions A) and B) being TFE.

    摘要翻译: 基本上由以下单体形成的TFE的热可加工共聚物:FMVE; 一种全氟二恶烷,其结构如下:在组合物A)和B)中为100重量%的补体为TFE。

    Fluoropolymer dispersions
    4.
    发明申请
    Fluoropolymer dispersions 失效
    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.

    IPC分类号: C08K003/20

    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。

    Process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE
    5.
    发明申请
    Process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE 失效
    获得均聚物或改性PTFE的非热可加工细粉末的方法

    公开(公告)号:US20030088055A1

    公开(公告)日:2003-05-08

    申请号:US10202852

    申请日:2002-07-26

    申请人: Ausimont S.p.A.

    IPC分类号: C08F214/18

    CPC分类号: C08J3/16 C08J2327/18

    摘要: A process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE, comprising the following steps: A) obtaining of the polymer latex under the gel form; B) washing of the polymer gel with acid aqueous solutions or neutral aqueous solutions; C) granulation of the gel washed by mechanical stirring, at a specific power in the range 1.5-10 kW/m3, until flotation of the PTFE fine powder, and separation of the floated fine powder; D) drying in an aerated oven of the floated fine powder at a drying temperature in the range 90null C.-160null C.

    摘要翻译: 获得均聚物或改性PTFE的非热可加工细粉末的方法,包括以下步骤:A)以凝胶形式获得聚合物胶乳; B)用酸性水溶液或中性水溶液洗涤聚合物凝胶; C)通过机械搅拌,以1.5-10kW / m 3的比功率洗涤凝胶,直到PTFE细粉末浮选,并漂浮的细粉分离; D)在漂浮的细粉末的充气烘箱中在90℃-160℃的干燥温度下干燥。

    Fluoroelastomers
    6.
    发明申请
    Fluoroelastomers 有权
    氟弹性体

    公开(公告)号:US20030088040A1

    公开(公告)日:2003-05-08

    申请号:US10270606

    申请日:2002-10-16

    申请人: AUSIMONT S.p.A.

    IPC分类号: C08F114/18

    摘要: Fluoroelastomers, curable by peroxidic route, obtainable by polymerizing the following monomers: a) C2nullC8 hydrogenated fluoroolefins; b) fluorovinylethers of general formula: CFXnullCXOCF2OPnullnull(I) c) bis-olefins having general formula: RI1RI2CnullCRI3-Z-CRI4nullCRI5RI6nullnull(IA) and optionally: d) one or more fluorinated olefinic comonomers selected from perfluoroalkylvinylethers (PAVE) CF2nullCFOR2f, perfluorooxyalkylvinylethers CF2nullCFOXa, e) C2-C8 perfluorolefins; f) one or more C2-C8 non fluorinated olefinic comonomers said fluoroelastomers comprising iodine and/or bromine atoms in the chain and/or in end position.

    摘要翻译: 通过过氧化途径可固化的氟弹性体,可通过聚合以下单体获得:a)C 2 -C 8氢化氟烯烃; b)通式CFX = CXOCF2OP(I)的氟乙烯基醚c)具有通式:RI1RI2C = CRI3-Z-CRI4 = CRI5RI6(IA)的双烯烃和任选地:d)一种或多种选自全氟烷基乙烯基醚(PAVE)的氟化烯烃共聚单体 )CF2 = CFOR2f,全氟氧烷基乙烯基醚CF2 = CFOXa,e)C2-C8全氟烯烃; f)一种或多种C2-C8非氟化烯烃共聚单体,所述含氟弹性体在链和/或末端位置包含碘和/或溴原子。

    Method for removing water from surfaces
    9.
    发明申请
    Method for removing water from surfaces 失效
    从表面去除水的方法

    公开(公告)号:US20020066205A1

    公开(公告)日:2002-06-06

    申请号:US09995673

    申请日:2001-11-29

    申请人: Ausimont S.p.A.

    IPC分类号: F26B003/00 C07C043/11

    CPC分类号: C09K3/18 C08G65/007

    摘要: Method for removing water from surfaces of various materials, comprising the steps of covering said surface with a composition having specific weight higher than that of water and subsequently removing water from the composition by skimming, wherein a composition essentially consisting of the following components is used: a fluorinated non ionic additive component A) of formula: T-ORf(CFY)-L nullnull(I) a (per)fluoropolyether component B), wherein the ratio by weight (K) between the (per)fluorinated part and the hydrogenated L part of the additive is in the range 1.50-4.00 and the ratio KI between the number average molecular weight of the fluoropolyether part T-ORf- of the additive and the number average molecular weight of the component B) is higher than 1.60.

    摘要翻译: 用于从各种材料的表面除去水的方法,包括用具有比水重量更高的比重的组合物覆盖所述表面并随后通过撇取从组合物中除去水的步骤,其中使用基本由以下组分组成的组合物: 一种氟化非离子添加剂组分A),其结构式如下:(1)式(1)式中,T-ORf(CFY)-L(I) 组分B),其中(per)氟化部分和添加剂的氢化L部分之间的重量比(K)在1.50-4.00的范围内,并且氟聚醚部分T的数均分子量之间的比KI 组分B)的添加剂和数均分子量的ORf-高于1.60。

    Thermoprocessable copolymers of TFE
    10.
    发明申请
    Thermoprocessable copolymers of TFE 有权
    TFE的热可加工共聚物

    公开(公告)号:US20020037959A1

    公开(公告)日:2002-03-28

    申请号:US09885930

    申请日:2001-09-26

    申请人: Ausimont S.p.A.

    IPC分类号: C08L027/12

    CPC分类号: C08F214/262

    摘要: A thermoprocessable copolymer of TFE essentially formed by: (a) from 4.5 to 8.5% by weight of perfluoromethylvinylether (PMVE); (b) from 0.3 to 1.6% by weight of a perfluorodioxole of formula: 1 nullwherein: YnullF, ORf, Rf wherein Rf is a perfluoroalkyl having from 1 to 5 carbon atoms; X1 and X2, equal to or diferent from each other, are nullF or nullCF3; (c) TFE, forming the remaining part to 100%.

    摘要翻译: TFE的热可加工共聚物基本上由以下组成:(a)4.5至8.5重量%的全氟甲基乙烯基醚(PMVE); (b)0.3〜1.6重量%的全氟二恶烷,其中:Y = F,OR f,Rf其中Rf是具有1至5个碳原子的全氟烷基; X 1和X 2彼此相同或不同,为-F或-CF 3; (c)TFE,剩余部分形成100%。