Fluoroelastomeric compositions
    2.
    发明公开
    Fluoroelastomeric compositions 有权
    Fluorelastomerzusammensetzungen

    公开(公告)号:EP1262497A2

    公开(公告)日:2002-12-04

    申请号:EP02010917.9

    申请日:2002-05-16

    申请人: Ausimont S.p.A.

    摘要: Fluoroelastomeric compositions comprising:

    A) a fluoroelastomeric matrix based on vinylidene fluoride (VDF);
    B) a semi-crystalline fluoropolymer, in an amount from 1 to 40% by weight based on the total of A) + B), comprising a semi-crystalline fluoropolymer core coated by a semi-crystalline fluoropolymer shell containing bromine and/or iodine in the polymer chain;
    the fluoroelastomer A) incorporates the fluoropolymer B), the fluoropolymer B) being formed by tetrafluoroethylene (TFE) homopolymers, or by TFE copolymers with one or more monomers containing at least one unsaturation of ethylene type, the average sizes of the semi-crystalline fluoropolymer particles being from 10 to 100 nm, preferably from 10 to 60 nm.

    摘要翻译: 含氟弹性体组合物,其包含:A)基于偏二氟乙烯(VDF)的氟弹性体基质; B)半结晶含氟聚合物,其量为基于A)+ B)的总量为1至40重量%,其包含由含有溴和/或碘的半结晶含氟聚合物壳包覆的半结晶含氟聚合物芯 在聚合物链中; 含氟弹性体A)包含含氟聚合物B),含氟聚合物B)由四氟乙烯(TFE)均聚物形成,或通过TFE共聚物与一种或多种含有至少一种乙烯不饱和键的单体形成,半结晶含氟聚合物的平均尺寸 颗粒为10至100nm,优选为10至60nm。

    Fluoroelastomers
    3.
    发明公开
    Fluoroelastomers 有权
    Fluoroelastomere

    公开(公告)号:EP0979832A1

    公开(公告)日:2000-02-16

    申请号:EP99114823.0

    申请日:1999-07-29

    申请人: Ausimont S.p.A.

    IPC分类号: C08F214/22 C08F214/26

    CPC分类号: C08F214/222 C08F214/262

    摘要: Curable fluoroelastomers comprising in the chain monomeric units formed by a triazine iodinated derivative having general formula:
    wherein Y' is independently H, Cl, F, CH 3 , CF 3 ; m' and t' are integers selected between 0 and 1, and m' + t' = 0 or 1 , preferably m' + t' = 0 ; p' is an integer and it is equal to 1 when t' = 1, or p' = 0; X' is independently H, Cl, F, alkyl or perfluoroalkyl C 1 -C 3 , preferably F; n' is an integer comprised between 2 and 20, preferably between 4 and 12, more preferably between 4 and 8.

    摘要翻译: 包含由具有以下通式的三嗪碘化衍生物形成的链单体单元的固化含氟弹性体:其中Y'独立地为H,Cl,F,CH 3,CF 3; m'和t'是在0和1之间选择的整数,m'+ t'= 0或1,优选m'+ t'= 0; p'是整数,当t'= 1或p'= 0时,它等于1; X'独立地是H,Cl,F,烷基或全氟烷基C1-C3,优选F; n'为2〜20,优选为4〜12,更优选为4〜8的整数。

    Fluoroelastomeric compositions
    4.
    发明公开

    公开(公告)号:EP1262518A3

    公开(公告)日:2003-03-12

    申请号:EP02010916.1

    申请日:2002-05-16

    申请人: Ausimont S.p.A.

    摘要: Fluoroelastomeric compositions comprising: A) a fluoroelastomeric matrix based on tetrafluoroethylene (TFE); B) a semi-crystalline fluoropolymer, in an amount from 2 to 90% by weight based on the total of A) + B), comprising a semi-crystalline fluoropolymer core coated by a semi-crystalline fluoropolymer shell containing bromine and/or iodine in the polymer chain; the fluoroelastomer A) incorporates the fluoropolymer B), the fluoropolymer B) being formed by tetrafluoroethylene (TFE) homopolymers, or by TFE copolymers with one or more monomers containing at least one unsaturation of ethylene type, the average sizes of the semi-crystalline fluoropolymer particles being from 10 to 100 nm, preferably from 10 to 60 nm.

    Fluoroelastomeric compositions
    5.
    发明公开
    Fluoroelastomeric compositions 有权
    氟弹性体组合物

    公开(公告)号:EP1260550A1

    公开(公告)日:2002-11-27

    申请号:EP02010914.6

    申请日:2002-05-16

    申请人: Ausimont S.p.A.

    IPC分类号: C08L27/12

    摘要: Fluoroelastomeric compositions comprising:

    A) a fluoroelastomeric matrix;
    B) a semi-crystalline fluoropolymer, in an amount from higher than 40% to 90% by weight based on the total of A) + B);
    the fluoroelastomer A) incorporates the fluoropolymer B), the fluoropolymer B) being formed by tetrafluoroethylene (TFE) homopolymers, or by TFE by copolymers with one or more monomers containing at least one unsaturation of ethylene type, the average sizes of the semi-crystalline fluoropolymer particles being from 10 to 100 nm, preferably from 10 to 60 nm.

    摘要翻译: 氟弹性体组合物,其包含:A)氟弹性体基质; B)基于A)+ B)总量的高于40重量%至90重量%的量的半结晶含氟聚合物; 含氟弹性体A)掺入含氟聚合物B),含氟聚合物B)由四氟乙烯(TFE)均聚物形成,或通过TFE与一种或多种含有至少一个乙烯类型不饱和度的单体的共聚物共聚,半结晶 含氟聚合物颗粒为10至100nm,优选10至60nm。

    Fluoroelastomer compositions
    6.
    发明公开
    Fluoroelastomer compositions 有权
    Fluorkautschukzusammensetzungen

    公开(公告)号:EP1031607A1

    公开(公告)日:2000-08-30

    申请号:EP00103033.7

    申请日:2000-02-15

    申请人: Ausimont S.p.A.

    IPC分类号: C08L27/18

    摘要: Fluoropolymers comprising a fluoroelastomer matrix incorporating therein particles of a semicrystalline fluoropolymer formed of tetrafluoroethylene (TFE) homopolymers or copolymers, wherein the average particle sizes of the semicrystalline fluoropolymer latex range from 10 to 100 nm.

    摘要翻译: 包含含有由四氟乙烯(TFE)均聚物或共聚物形成的半结晶含氟聚合物颗粒的含氟弹性体基体的含氟聚合物,其中半结晶含氟聚合物胶乳的平均粒径为10-100nm。

    Fluoroelastomeric compositions
    7.
    发明公开
    Fluoroelastomeric compositions 有权
    Fluoroelastomere

    公开(公告)号:EP1262517A1

    公开(公告)日:2002-12-04

    申请号:EP02010918.7

    申请日:2002-05-16

    申请人: Ausimont S.p.A.

    IPC分类号: C08L27/12 C08L27/18

    摘要: Fluoroelastomeric compositions comprising:

    A) a fluoroelastomeric matrix based on vinylidene fluoride (VDF) ;
    B) a semi-crystalline fluoropolymer, in an amount from > 40% to 90% by weight based on the total of A) + B), comprising a semi-crystalline fluoropolymer core coated by a semi-crystalline fluoropolymer shell containing bromine and/or iodine in the polymer chain;
    the fluoroelastomer A) incorporates the fluoropolymer B), the fluoropolymer B) being formed by tetrafluoroethylene (TFE) homopolymers, or by TFE copolymers with one or more monomers containing at least one unsaturation of ethylene type, the average sizes of the semi-crystalline fluoropolymer particles being from 10 to 100 nm, preferably from 10 to 60 nm.

    摘要翻译: 含氟弹性体组合物,其包含:A)基于偏二氟乙烯(VDF)的氟弹性体基质; B)半结晶含氟聚合物,其量为基于A)+ B)的总量的> 40重量%至90重量%,其包含半结晶含氟聚合物芯,其包含含有溴和/ 或聚合物链中的碘; 含氟弹性体A)包含含氟聚合物B),含氟聚合物B)由四氟乙烯(TFE)均聚物形成,或通过TFE共聚物与一种或多种含有至少一种乙烯不饱和键的单体形成,半结晶含氟聚合物的平均尺寸 颗粒为10至100nm,优选为10至60nm。

    Amorphous perfluorinated copolymers
    8.
    发明公开
    Amorphous perfluorinated copolymers 有权
    Amorphe perfluorierte Polymere

    公开(公告)号:EP1256592A1

    公开(公告)日:2002-11-13

    申请号:EP02009935.4

    申请日:2002-05-03

    申请人: Ausimont S.p.A.

    IPC分类号: C08F8/22 G02B1/04

    摘要: Amorphous perfluorinated copolymers, comprising cyclic perfluorinated units deriving from at least two different perfluorinated comonomers, optionally with units deriving from a perfluorinated monomer containing at least one olefinic unsaturation (perfluoroolefin), or comprising cyclic perfluorinated units and units deriving from a perfluorinated monomer containing at least one olefinic unsaturation, said perfluorinated copolymers having the following combination of properties:

    substantial absence of unstable polar end groups,
    polymer Tg higher than 120°C,
    narrow monomeric composition distribution.

    摘要翻译: 无定形全氟化共聚物,包括衍生自至少两种不同全氟化共聚单体的环状全氟化单元,任选地衍生自含有至少一种烯属不饱和(全氟烯烃)的全氟化单体的单元,或包含环状全氟化单元和衍生自至少含有全氟化单体的单元 所述全氟化共聚物具有以下性质的组合:基本上不存在不稳定的极性端基,高于120℃的聚合物Tg,窄的单体组成分布。

    Polymerization process of sulphonic monomers
    9.
    发明公开
    Polymerization process of sulphonic monomers 有权
    Polymerisationsverfahren von sulfonischen Monomeren

    公开(公告)号:EP1172382A2

    公开(公告)日:2002-01-16

    申请号:EP01114614.9

    申请日:2001-06-19

    申请人: Ausimont S.p.A.

    IPC分类号: C08F14/18 C08F2/16

    CPC分类号: C08F214/184 C08F216/1466

    摘要: A polymerization process in microemulsion of:

    (I) one or more fluorinated monomers containing at least one ethylene unsaturation;
    (II) one or more fluorinated monomers containing sulphonyl groups -SO 2 F; said process comprising:

    a) preparation of an aqueous microemulsion, having a pH in the range 4-7, of perfluoropolyethers (PFPEs);
    b) feeding of the microemulsion to the polymerization reactor, in an amount higher than 18 ml per litre of reaction medium;
    c) introduction of the monomer (II) in liquid form into the reactor, reactor pressurization with the gaseous monomers (I);
    d) addition of the initiator, and feeding of the monomers (I) during the polymerization so as to maintain constant the reactor pressure.

    摘要翻译: 在微乳液中的聚合方法:(I)一种或多种含有至少一个乙烯不饱和度的氟化单体; (II)含有磺酰基-SO 2 F的一种或多种氟化单体; 所述方法包括:a)制备具有4-7范围内的pH的全氟聚醚(PFPE)的水性微乳液; b)以每升反应介质高于18ml的量将微乳液送入聚合反应器; c)将液体形式的单体(II)引入反应器,用气体单体(I)进行反应器加压; d)在聚合过程中加入引发剂和进料单体(I)以保持反应器压力恒定。

    Curable fluoroelastomeres by peroxidic way
    10.
    发明公开
    Curable fluoroelastomeres by peroxidic way 有权
    Vernetzbare氟橡胶

    公开(公告)号:EP0967248A1

    公开(公告)日:1999-12-29

    申请号:EP99111563.5

    申请日:1999-06-15

    申请人: Ausimont S.p.A.

    IPC分类号: C08L27/12

    摘要: Curable fluoroelastomers essentially formed by the following fluoroelastomer mixtures:

    a) from 20 to 70% by weight of a fluoroelastomer having the Mooney viscosity value, ML (1+10) at 121 °C higher than 60 points and containing from 0.01 to 3% by weight of iodine;
    b) from 0 to 70% by weight of a fluoroelastomer having the Mooney viscosity value, ML (1+10) at 121 °C, in the range 20-60 points and containing from 0.2 to 5% by weight of iodine;
    c) from 5 to 60% by weight of a fluoroelastomer having the Mooney viscosity value, ML (1+10) at 121 °C, in the range 1-20 points and containing an iodine percentage by weight higher than 0.3; said Mooney viscosity ML (1+10) at 121°C being determined according to the ASTM D 1646 method;
    where said fluoroelastomers comprise monomeric units deriving from a bis-olefin.

    摘要翻译: 基本上由以下含氟弹性体混合物形成的可固化含氟弹性体:a)20至70重量%的具有门尼粘度值的烯烃弹性体,121℃下ML(1 + 10)高于60分,并含有0.01至3% 碘的重量; b)0至70重量%的具有门尼粘度值,121℃下ML(1 + 10),20-60分,含有0.2至5重量%碘的含氟弹性体; c)5〜60重量%的具有门尼粘度值,121℃ML(1 + 10)的含氟弹性体,在1-20分,含有碘重量比高于0.3的碘弹性体; 根据ASTM D1646方法测定121℃下的门尼粘度ML(1 + 10); 其中所述含氟弹性体包含衍生自双烯烃的单体单元。