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1.发明授权Fluorinated polymers containing perfluoropolyoxyalkylene sequences and having thermoplastic elastomeric properties 失效含有全氟聚氧化烯序列并具有热塑性弹性体性质的氟化聚合物
公开(公告)号：US5508380A
公开(公告)日：1996-04-16
申请号：US524104
申请日：1995-08-21
IPC分类号： C08G18/50 , C08G63/682 , C08G65/00 , C08G65/22 , C08G65/32 , C08G65/329 , C08G69/42 , C08G73/02 , C08G73/06 , C08G73/10 , C08G73/16 , C08G75/00 , C08G75/14 , C08G75/23 , C08G77/22 , C08G83/00 , C08G73/24
CPC分类号： C08G65/329 , C08G18/5015 , C08G65/007
摘要： Fluorinated polymers having thermoplastic elastomeric properties comprising in the macromolecule perfluoropolyoxyalkylene sequences of formula:--CF.sub.2 O--(CF.sub.2 CF.sub.2 O).sub.m --(CF.sub.2 O).sub.n --CF.sub.2 --(I)where m/n=0.2+5, are obtained through polycondensation with suitable perfluoropolyoxyalkylene condensation monomers corresponding to formula (I), functionalized with suitable reactive groups and having a functionality at least equal to 1.97, preferably at least equal to 1.99.Such polymers are characterized by an average molecular weight at least 50%, preferably at least 100%, higher than that of the corresponding polymers obtained starting from perfluoropolyoxyalkylenes corresponding to formula (I) having a functionality not higher than 1.96.
摘要翻译： 通过与适当的全氟聚氧化烯缩合物缩聚得到具有热分解弹性体的氟化聚合物，其中m / n = 0.2 + 5，其中m / n = 0.2 + 5，其中包含大分子式为：-CF 2 O-（CF 2 CF 2 O）m - （CF 2 O）n -CF 2（I）的全氟聚氧化烯序列 对应于式（I）的单体，用合适的反应性基团官能化并具有至少等于1.97，优选至少等于1.99的官能度。 这种聚合物的特征在于平均分子量比对应于具有不高于1.96的官能度的式（I）的全氟聚氧化烯开始获得的相应聚合物的平均分子量至少50％，优选至少100％。
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2.发明授权
公开(公告)号：US5246588A
公开(公告)日：1993-09-21
申请号：US963658
申请日：1992-10-20
CPC分类号： C08G65/007 , B01D15/08 , C08G65/30 , B01D15/426
摘要： A process for separating, or enriching, non-functional, monofunctional and bifunctional species in a mixture of perfluoropolyoxyalkylenes of the general formula:Z--O--Rf--YwhereRf=a perfluoropolyoxyalkylene chain comprising one or more monomeric units of formula ##STR1## --CFXO-- (X=F, CF.sub.3), and optionally also units (--CF.sub.2 CF.sub.2 O--); andZ, Y, like or different from each other, are non-functional groups or functional groups containing --OH,which consists in subjecting said mixture of perfluoropolyoxyalkylenes to column chromatography using, as eluents, non-polar fluorinated solvents, either alone or in admixture with polar solvents.
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公开(公告)号：US5476910A
公开(公告)日：1995-12-19
申请号：US228564
申请日：1994-04-15
IPC分类号： C08G63/66 , C08G63/672 , C08G63/682 , C08G65/32
CPC分类号： C08G63/6826 , C08G63/672
摘要： Fluorinated thermoplastic elastomers having a block structure:--[--R.sub.f --H.sub.1 --H.sub.2 --H.sub.1 --]--where --R.sub.f -- is a perfluoropolyoxyalkylene sequence of formula:--CF.sub.2 O--(CF.sub.2 CF.sub.2 O).sub.m --(CF.sub.2 O).sub.n --CF.sub.2 --with m/n=0.2.div.5, H.sub.1 and H.sub.2, equal or different from each other, are bivalent radicals having arylene, alkylarylene, alkylene or cycloalkylene structure, optionally containing fluorine and/or other heteroatoms selected among oxygen, sulphur, nitrogen. Such products are obtainable by utilizing a perfluoropolyoxyalkylene diol having a functionality at least equal to 1.97, preferably at least equal to 1.99, and are characterized by a tensile strength at 23.degree. C. at least 50% higher than that of the corresponding polyesters obtained starting from perfluoropolyoxyalkylene diols having a functionality not higher than 1.96.
摘要翻译： 具有嵌段结构的氟化热塑性弹性体：其中-Rf-是式-CF 2 O-（CF 2 CF 2 O）m - （CF 2 O）n -CF 2的全氟聚氧化烯序列，其中m- n = 0.2分解5，彼此相同或不同的H1和H2是具有亚芳基，烷基亚芳基，亚烷基或亚环烷基结构的二价基团，任选地含有选自氧，硫，氮中的氟和/或其它杂原子。 这样的产物可通过使用具有至少等于1.97，优选至少等于1.99的官能度的全氟聚氧亚烷基二醇获得，其特征在于在23℃下的拉伸强度比起始地获得的相应聚酯的拉伸强度高至少50％ 来自具有不高于1.96的官能度的全氟聚氧亚烷基二醇。
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4.发明授权
公开(公告)号：US5262057A
公开(公告)日：1993-11-16
申请号：US962936
申请日：1992-10-19
IPC分类号： C08G65/30 , B01D15/08 , B01J20/283 , C08G65/00 , C08G65/02 , G01N30/02 , G01N30/26 , G01N30/88
CPC分类号： B01D15/08 , C08G65/007 , C08G65/30
摘要： A process for separating from one another non-functional, monofunctional and bifunctional species in a mixture of perfluoropolyoxyalkylenes of general formulaX--O--Rf--Ywhere:Rf=a perfluoropolyoxyalkylene chain comprising monomeric units of formulas (CF.sub.2 O), (CF.sub.2 CF.sub.2 O), (CF.sub.2 CF.sub.2 CF.sub.2 O),X, Y, like or different from each other, are non-functional end groups or end groups containing functions OH and/or NH.sub.2,which consists in subjecting said mixture of perfluoropolyoxyalkylenes to column chromatography using, as eluents, non-polar fluorinated solvents, either alone or in admixture with polar solvents.
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公开(公告)号：US5900500A
公开(公告)日：1999-05-04
申请号：US903061
申请日：1997-07-30
CPC分类号： C08G64/0233 , C08G64/183
摘要： Perfluoropolyethereal compounds having polycarbonate structure, and general formula: ##STR1## wherein c is an integer comprised between 0 and 10, preferably between 0 and 3,n is an integer from 2 to 1,000, extremes included,Rf is a poly-fluorooxyalkylenic chain, having number average molecular weight (Mn) comprised between 500 and 10,000.
摘要翻译： 具有聚碳酸酯结构的全氟聚醚化合物和通式：其中c是0至10，优选0至3之间的整数，n是2至1,000的整数，包括极值，Rf是具有数均分子量的聚氟氧化烯链 分子量（Mn）在500至10,000之间。
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6.发明授权Fluorine-containing compounds having polyacetalic structure, and process for preparing them 失效具有聚缩醛结构的含氟化合物及其制备方法
公开(公告)号：US5637671A
公开(公告)日：1997-06-10
申请号：US542443
申请日：1995-10-12
IPC分类号： C08G65/32 , C08G2/38 , C08G65/00 , C08G65/324 , C08G65/329 , C08G65/331 , C08G4/00
CPC分类号： C08G65/324 , C08G2/38 , C08G65/007 , C08G65/329 , C08G65/331
摘要： 1) Disclosed herein are new fluorine-containing compounds having polyacetalic structure, of general formula:[Rf.sub.m --CH.sub.2 O(CH.sub.2 O).sub.c --CH.sub.2 --.brket close-st..sub.n (I)where:Rf=a perfluorooxyalkylene chain having Mn from 500 to 5,000;m=4-25;c=1-10;n=2-100.2) A process for preparing them which comprises carrying out the polycondensation of diols having formula:HORfOH (II)with formaldehyde, in mass or in the presence of solvents, in an acid medium. The compounds of formula (I) can be oligomeric compounds (polymerization degree x.sub.n from 2 to about 20) or polymeric compounds (x.sub.n from about 20 to about 100). They exhibit a high stability to heat and to chemical agents, and Tg values slightly different from the ones of the diols utilized for preparing them.
摘要翻译： 1）本文公开了具有以下通式的具有聚缩醛结构的新的含氟化合物：[Rfm-CH2O（CH2O）c-CH2- + 548n（I））其中：Rf =具有+ E的全氟氧化烯链，ovs M + EE n从500到5,000; m = 4-25; c = 1-10; n = 2-100。 2）一种制备它们的方法，其包括在酸性介质中，以质量或在溶剂存在下，将具有式：HORFOH（II）的二醇与甲醛缩聚。 式（I）化合物可以是低聚化合物（聚合度+ E，ovs x + EE n从2至约20）或聚合化合物（+ E，ovs x + EE n约20至约100）。 它们对热和化学试剂表现出高稳定性，并且Tg值与用于制备它们的二醇的那些略有不同。
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7.发明授权Fluorine-containing compounds having polyacetalic structure, and process for preparing them 失效具有聚缩醛结构的含氟化合物及其制备方法
公开(公告)号：US5476918A
公开(公告)日：1995-12-19
申请号：US58014
申请日：1993-05-05
IPC分类号： C08G65/32 , C08G2/38 , C08G65/00 , C08G65/324 , C08G65/329 , C08G65/331 , C07C43/30 , C07C43/313 , C08G4/00
CPC分类号： C08G65/324 , C08G2/38 , C08G65/007 , C08G65/329 , C08G65/331
摘要： 1) New fluorine-containing compounds having polyacetalic structure, of general formula:(I)[Rf.sub.m --CH.sub.2 O(CH.sub.2 O).sub.c --CH.sub.2 ].sub.nwhere:Rf=a perfluorooxyalkylene chain having Mn from 500 to 5,000;m=4-25;c=1-10;n=2-100.2) A process for preparing them, which comprises carrying out the polycondensation of diols having formula:(II) HORfOHwith formaldehyde, in mass or in the presence of solvents, in an acid medium. The compounds of formula (I) can be oligomeric compounds (polymerization degree x.sub.n from 2 to about 20) or polymeric compounds (x.sub.n from about 20 to about 100). They exhibit a high stability to heat and to chemical agents, and Tg values slightly different from the ones of the diols utilized for preparing them.
摘要翻译： 1）具有通式：（I）[Rfm-CH 2 O（CH 2 O）c -CH 2] n]的具有聚缩醛结构的新的含氟化合物，其中：Rf =具有500-5,000的＆lt;上升＆Mn的全氟氧化烯链; m = 4〜25; c = 1-10; n = 2-100。 2）一种制备它们的方法，其包括在酸性介质中以质量或在溶剂存在下，使式（II）HORFOH与甲醛进行缩聚反应。 式（I）的化合物可以是低聚化合物（聚合度和上限，从2到约20）或聚合化合物（和从约20到约100）。 它们对热和化学试剂表现出高稳定性，并且Tg值与用于制备它们的二醇的那些略有不同。
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公开(公告)号：US07323435B1
公开(公告)日：2008-01-29
申请号：US09592254
申请日：2000-06-12
申请人： Stefano Turri , Marinella Levi , Tania Trombetta
发明人： Stefano Turri , Marinella Levi , Tania Trombetta
IPC分类号： C10M149/12 , C10M147/04 , C08G18/00 , C08G73/00
CPC分类号： C08G18/792 , C08G18/0814 , C08G18/2885 , C08G18/5015 , C08G18/672 , C08G18/50
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>
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9.发明申请TEXTILE SUPPORT FOR BITUMINOUS MEMBRANE WITH HIGH DIMENSIONAL STABILITY, PARTICULARLY FOR WATERPROOFING BUILDINGS 审中-公开具有高尺寸稳定性的特殊用于防水建筑的双面薄膜的纺织品支持公开(公告)号：US20110244204A1
公开(公告)日：2011-10-06
申请号：US13133758
申请日：2008-12-12
IPC分类号： B32B5/26
CPC分类号： B32B5/26 , B32B5/022 , B32B27/12 , B32B27/20 , B32B27/38 , B32B27/40 , B32B2250/40 , B32B2260/021 , B32B2260/046 , B32B2262/0276 , B32B2262/10 , B32B2262/101 , B32B2307/54 , B32B2307/7265 , B32B2307/734 , B32B2419/00 , C03C25/26 , C03C25/32 , D04H1/435 , D04H1/54 , D04H3/004 , D04H5/06 , D04H13/00 , D06N3/0013 , D06N5/00 , Y10T442/659
摘要： The present invention concerns a textile support for bituminous membranes, particularly for waterproofing roof surfaces of buildings, characterised by a high dimensional stability. The support comprises at least two layers (1, 2) of non-woven polyester or polymeric material in general and a plurality of longitudinal reinforcing filaments (3). The reinforcing filaments (3), preferably of glass, have been treated in advance with a size which allows the formation of stable chemical bonds, not strongly influenced by temperature.
摘要翻译： 本发明涉及用于沥青膜的纺织品支撑件，特别是用于建筑物的防水屋顶表面，其特征在于高尺寸稳定性。 支撑体包括至少两层（1,2）的无纺聚酯或聚合物材料，以及多个纵向增强细丝（3）。 优选玻璃的增强丝（3）已经被预先处理，其尺寸允许形成稳定的化学键，而不受温度的强烈影响。
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