Fluorinated polyurethanes and polyurethane-ureas, and methods for
preparing them
    2.
    发明授权
    Fluorinated polyurethanes and polyurethane-ureas, and methods for preparing them 失效
    氟化聚氨酯和聚氨酯 - 脲,及其制备方法

    公开(公告)号:US5332798A

    公开(公告)日:1994-07-26

    申请号:US994667

    申请日:1992-12-22

    IPC分类号: C08G18/10 C08G18/50

    CPC分类号: C08G18/5015 C08G18/10

    摘要: Fluorinated polyurethanes and polyurethane-ureas, of heat-processable, elastomeric type, constituted by rubber-like blocks and hard blocks, comprising segments derived from:(a) a macroglycol or polybutadiene-diol;(b) a perfluoropolyether-diol of formulaHO(CH.sub.2 CH.sub.2 O).sub.n --CH.sub.2 --Q--CH.sub.2 --(OCH.sub.2 CH.sub.2).sub.n OH wherein Q is a perfluoropolyether chain and "n" is comprised within the range of from 1 to 5;(c) an aromatic, aliphatic, or cycloaliphatic diisocyanate; and(d) an aliphatic, cycloaliphatic or aromatic diol or diamine, containing from 2 to 14 carbon atoms.They contain from 4 to 30% by weight of fluorine, from 10 to 60% by weight of hard components, with the molar ratio of rubber-like components (a): (b) comprised within the range of from 2 to 20. At least 80% of rubber-like segments deriving from (b) component are connected, at least at one of their sides, through a segment deriving from (c) component, with a rubber-like segment deriving from (a) component.

    摘要翻译: 由橡胶状块和硬块组成的可热处理的弹性体类型的氟化聚氨酯和聚氨酯脲,包含衍生自(a)大分子二聚体或聚丁二烯 - 二醇的链段; (b)式HO(CH 2 CH 2 O)n -CH 2 -Q-CH 2 - (OCH 2 CH 2)n OH的全氟聚醚二醇,其中Q是全氟聚醚链,“n”包括在1至5的范围内; (c)芳族,脂族或脂环族二异氰酸酯; 和(d)含有2至14个碳原子的脂族,脂环族或芳族二醇或二胺。 它们含有4至30重量%的氟,10至60重量%的硬组分,橡胶状组分(a):(b)的摩尔比在2至20的范围内。在 (b)成分的至少80%的橡胶状链段至少在其一侧通过衍生自(c)成分的链段与来自(a)成分的橡胶状链段连接。

    Fluorinated oligourethanes
    5.
    发明授权
    Fluorinated oligourethanes 失效
    氟化低聚氨酯

    公开(公告)号:US07323435B1

    公开(公告)日:2008-01-29

    申请号:US09592254

    申请日:2000-06-12

    摘要: Fluorinated oligourethanes, having number average molecular weight lower than or equal to 9,000, having a branched structure, formed of the following monomers and macromers: a) aliphatic, cycloaliphatic or aromatic polyisocyanates, b) heterofunctional hydrogenated monomers having general formula: X0—(CR1AR2A)b—Y0   (Ib) one or more of the following compounds: c) bifunctional hydroxyl (per)fluoropolyethers (PFPE diols) having number average molecular weight in the range 400-3,000, e) monofunctional hydroxyl (per)fluoropolyethers or monofunctional hydroxyl (per)fluoroalkanes (e′), having number average molecular weight in the range 300-1,000, and optionally the following compounds: d) heterofunctional monomers, dI) hydrogen-active compounds, capable to form bonds with the NCO functions stable at the hydrolysis but weak at heat.

    摘要翻译: 数均分子量低于或等于9,000的氟化低聚氨酯具有分支结构,由以下单体和大分子单体形成:a)脂族,脂环族或芳族多异氰酸酯,b)具有以下通式的异型官能氢化单体: line-formula description =“In-line Formulas”end =“lead”?> X - (CR <1>

    Polyurethanes
    7.
    发明授权
    Polyurethanes 失效
    聚氨酯

    公开(公告)号:US07655310B2

    公开(公告)日:2010-02-02

    申请号:US11043615

    申请日:2005-01-27

    申请人: Tania Trombetta

    发明人: Tania Trombetta

    IPC分类号: B32B17/40 C08G18/10

    摘要: Polyurethanes-urea based on perfluoropolyethers comprising ionizable groups and pendant groups having the following structure: —RI—Si(ORII)n(OH)3−n  (I) wherein: RI is alkylene from 1 to 10 carbon atoms; RII is an alkyl group from 1 to 4 carbon atoms; n is an integer from 0 to 3.

    摘要翻译: 基于全氟聚醚的聚氨酯 - 尿素,其包含具有以下结构的可离子化基团和侧基:-RI-Si(ORII)n(OH)3-n(I)其中:R 1为1至10个碳原子的亚烷基; RII是1至4个碳原子的烷基; n为0〜3的整数。

    Methods for paper sizing with fluorinated polymers
    8.
    发明授权
    Methods for paper sizing with fluorinated polymers 有权
    用氟化聚合物进行纸张施胶的方法

    公开(公告)号:US07323084B2

    公开(公告)日:2008-01-29

    申请号:US10183350

    申请日:2002-06-28

    IPC分类号: D21H21/16 D21H17/57 D21H17/08

    摘要: Use for the paper sizing of aqueous polyurethane dispersions from (per)fluoropolyethers obtainable by reaction among the following compounds: a) (per)fluoropolyether diols having a number average molecular weight from 400 to 5,000; b) diisocyanates having formula: OCN—R—NCO  (VIa)  wherein R is an aliphatic, cycloaliphatic bifunctional radical; or an aromatic bifunctional radical; c) diols containing one carboxylic function and optionally one or both the following components: d) hydrazine and/or aliphatic diamines; e) monofunctional hydroxylic (per)fluoropolyethers having a number average molecular weight in the range 300-1,000.

    摘要翻译: 用于通过以下化合物之间的反应可得到的(全)氟聚醚的水性聚氨酯分散体的纸张尺寸:a)数均分子量为400至5,000的(全)氟聚醚二醇; b)具有式的二异氰酸酯:<?in-line-formula description =“In-line formula”end =“lead”?> OCN-R-NCO(VIa)<?in-line-formula description =“In-line Formulas “end =”tail“?>其中R是脂族,脂环族双功能基团; 或芳族双功能基团; c)含有一个羧基官能团的二醇和任选的一种或两种以下组分:d)肼和/或脂族二胺; e)数均分子量在300-1,000范围内的单官能羟基(全)氟聚醚。

    Polyurethanes having a low friction coefficient
    9.
    发明授权
    Polyurethanes having a low friction coefficient 失效
    具有低摩擦系数的聚氨酯

    公开(公告)号:US06579835B2

    公开(公告)日:2003-06-17

    申请号:US09875980

    申请日:2001-06-08

    IPC分类号: C10M14912

    摘要: Use of fluorinated polyurethanes thermally crosslinkable for obtaining coatings having an improved friction coefficient for the dry lubrication of rubbers, plastics, metals, glass, said polyurethanes obtainable from aqueous dispersions of cationic oligourethanes having a molecular weight≦9,000, formed by: a) polyisocyanates, having NCO functionality higher than 2, b) bifunctional hydrogenated monomers, c) bifunctional hydroxylated (per)fluoropolyethers, e) monofunctional hydroxyl or carboxylic (per)fluoropolyethers or monofunctional hydroxyl (per)fluoroalkanes optionally: d) hydrogenated monomers by which it is possible to insert a crosslinkable chemical function in the oligourethane; dI) hydrogen-active compounds, able to form with the NCO functions thermolabile bonds.

    摘要翻译: 使用可热交联的氟化聚氨酯,用于获得具有改进的摩擦系数的涂层,用于橡胶,塑料,金属,玻璃的干燥润滑,所述聚氨酯可从具有分子量为= 9,000的阳离子低聚氨酯的水性分散体获得,所述聚氨酯由以下形成:a)多异氰酸酯 具有高于2的NCO官能团,b)双功能氢化单体,c)双功能羟基化(全)氟聚醚,e)单官能羟基或羧基(全)氟聚醚或单官能羟基(全)氟烷烃,任选地:d)氢化单体, 可能在低聚氨酯中插入可交联的化学功能; dI)能够与NCO形成的氢活性化合物具有热不稳定性键。

    Modified hydrogenated polymers
    10.
    发明授权
    Modified hydrogenated polymers 失效
    改性氢化聚合物

    公开(公告)号:US6127498A

    公开(公告)日:2000-10-03

    申请号:US55325

    申请日:1998-04-06

    CPC分类号: C08G65/007 C08F8/18

    摘要: Hydrogenated fluoromodified polymers obtainable by reaction among hydrogenated polymers and the modifier having a polyether structure:RfO(CF.sub.2 CF.sub.2 O).sub.m (CF.sub.2 O).sub.n --CF.sub.2 --A.sub.q --T.sub.p (I)wherein A is a linking bridge bound to the end group --CF.sub.2 -- of the perfluoropolyether chain, T represents one or more reactive functional groups; p and q are integers, p ranges from 1 to 4, q is an integer from 0 to 1; m and n are integers such that m/n is comprised between 0.2 and 5, Rf is a perfluoroalkyl from 1 to 3 carbon atoms.

    摘要翻译: 通过氢化聚合物与具有聚醚结构的改性剂反应获得的氢化氟改性聚合物:RfO(CF 2 CF 2 O)m(CF 2 O)n -CF 2 -Aq-Tp(I)其中A是与末端基团结合的连接桥-CF2- 全氟聚醚链,T表示一个或多个反应性官能团; p和q为整数,p为1至4,q为0至1的整数; m和n是整数,使得m / n包含在0.2和5之间,Rf是1至3个碳原子的全氟烷基。