专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4410682A Fluoroether modified epoxy composites 失效
标题翻译：氟醚改性环氧复合材料
公开(公告)号：US4410682A
公开(公告)日：1983-10-18
申请号：US452464
申请日：1982-12-23
申请人： Robert W. Rosser , Mark S. Taylor
发明人： Robert W. Rosser , Mark S. Taylor
IPC分类号： C08K5/06 , C08G59/18 , C08G59/30
CPC分类号： C08K5/06
摘要： Addition of controlled amounts of perfluorinated alkyl ether diacyl fluoride to epoxy resin systems prior to cure results in a formulation which, when cured with or without reinforcing, exhibits improved energy absorbing properties.
摘要翻译：在固化之前向环氧树脂体系中加入受控量的全氟化烷基醚二酰基氟化物，得到当用或不加强固化时固化的配方表现出改进的能量吸收性能。

2. 发明授权

US4316035A Preparation of perfluorinated 1,2,4-oxadiazoles 失效
标题翻译：全氟化1,2,4-恶二唑的制备
公开(公告)号：US4316035A
公开(公告)日：1982-02-16
申请号：US163838
申请日：1980-06-27
申请人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , Reinhold H. Kratzer , Kazimiera J. L. Paciorek , Thomas I. Ito , Robert W. Rosser
发明人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , Reinhold H. Kratzer , Kazimiera J. L. Paciorek , Thomas I. Ito , Robert W. Rosser
IPC分类号： C07C259/14 , C07D271/06 , C08G73/08 , C08G73/06
CPC分类号： C07D271/06 , C07C259/14 , C08G73/08
摘要： Fluorinated alkyl or alkylether 1,2,4-oxadiazole compounds are prepared by cyclizing the corresponding alkyl or alkylether imidoylamidoximes in vacuo or in an inert atmosphere at a temperature within the range of 40.degree. to 100.degree. C. for a period of 8 to 144 hours in the presence of an acid compound which can accept ammonia to form a salt. The imidoylamidoximes usable in this process may be either polymeric or nonpolymeric. The products, when polymeric, have excellent heat, chemical and solvent resistance.
摘要翻译：氟化烷基或烷基醚1,2,4-恶二唑化合物是通过在40℃至100℃的温度范围内在真空中或在惰性气氛中环化相应的烷基或烷基醚亚胺酰氨基肟来制备的，时间为8至144 在可以接受氨形成盐的酸性化合物的存在下进行。在该方法中可用的亚氨基酰氨基偶氮可以是聚合的或非聚合的。该产品在聚合时具有优异的耐热性，耐化学性和耐溶剂性。

3. 发明授权

US4434106A Process for preparing perfluorotriazine elastomers and precursors thereof 失效
标题翻译：全氟三嗪弹性体及其前体的制备方法
公开(公告)号：US4434106A
公开(公告)日：1984-02-28
申请号：US366025
申请日：1982-04-06
申请人： Robert W. Rosser , Timothy S. Chen , Chung-Heng Cheng
发明人： Robert W. Rosser , Timothy S. Chen , Chung-Heng Cheng
IPC分类号： C07D251/24 , C07C123/00 , C07C120/00 , C07C121/43
CPC分类号： C07D251/24
摘要： Perfluoroether triazine elastomers having improved properties and utility in seals, gaskets, sealing components and the like are prepared from oligomeric imidoylamidines that have, in turn, been prepared by the process of (a) reacting a perfluorodinitrile with liquid ammonia to yield a perfluorodiamidine, (b) isolating the perfluorodiamidine, (c) reacting the isolated diamidine with a perfluorodinitrile to yield a perfluoro(imidoylamidine) dinitrile, and then repeating steps (a), (b), and (c) to sequentially grow an oligomer of desired molecular size. The isolated amidine and nitrile intermediates are also disclosed.
摘要翻译：具有改进的性能和用途的全氟醚三嗪弹性体由密封剂，垫圈，密封组分等制备，其通过以下方法制备：反应通过以下方法制备：（a）使全氟丁腈与液氨反应得到全氟二氨基吡啶（ b）分离全氟二氨基吡啶，（c）使分离的脒与全氟丁腈反应，得到全氟（亚氨基脒）二腈，然后重复步骤（a），（b）和（c）顺序生长所需分子尺寸的低聚物。还公开了分离的脒和腈中间体。

4. 发明授权

US4245085A 1,2,4-Oxadiazole elastomers 失效
标题翻译： 1,2,4-恶二唑弹性体
公开(公告)号：US4245085A
公开(公告)日：1981-01-13
申请号：US28301
申请日：1979-04-09
申请人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , Robert W. Rosser , Ibrahim M. Shalhoub , Hanoi Kwong
发明人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , Robert W. Rosser , Ibrahim M. Shalhoub , Hanoi Kwong
IPC分类号： C08G73/08
CPC分类号： C08G73/08
摘要： New crosslinked 1,2,4-oxadiazole elastomers have been prepared by thermally condensing (a) monomer having the formula H.sub.2 N(HON)C-R-Q, wherein Q is a triazine ring-forming group such as nitrile or amidine, or (b) a mixture of said monomer with R[C(NOH)NH.sub.2 ].sub.2, with R in these formulas standing for a bivalent organic radical having the formula--(CX.sub.2).sub.p --, or --CFY(OCF.sub.2 CFY).sub.m O(CX.sub.2).sub.p O(CFYCF.sub.2 O).sub.n CFY--wherein X is fluorine or hydrogen, Y is fluorine or trifluoromethyl, p ranges from 1 to 18, and m+n ranges from 2 to 7. In the monomer charge, the overall proportions of amidoxime groups to triazine ring-forming groups varies depending on the extent of crosslinking desired in the final polymer.The heat and chemical resistant elastomers disclosed can serve, for instance, as adhesives, caulking compounds, channel sealants, fuel tank liners.
摘要翻译：通过将（a）具有式H2N（HON）CRQ的单体（其中Q是三嗪环形成基团如腈或脒）或（b）混合物（a）混合，制备新的交联的1,2,4-恶二唑弹性体的所述单体与R [C（NOH）NH 2] 2反应，其中这些式中的R代表具有式 - （CX2）对 - 或-CFY（OCF2CFY）mO（CX2）pO（CFYCF2O）nCFY的二价有机基团 - 其中X为氟或氢，Y为氟或三氟甲基，p为1至18，m + n为2至7.在单体电荷中，偕胺肟基与三嗪环形成基团的总比例随在最终聚合物中所需的交联程度。所公开的耐热和耐化学性弹性体可以用作例如粘合剂，填缝化合物，通道密封剂，燃料箱衬里。

5. 发明授权

US4145524A Preparation of heterocyclic block copolymer from perfluoroalkylene oxide .alpha., .omega.-diamidoximes 失效
标题翻译：从全氟氧化烯制备杂环嵌段共聚物{60，{10-二氨基肟
公开(公告)号：US4145524A
公开(公告)日：1979-03-20
申请号：US843090
申请日：1977-10-17
申请人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , Leonard O. Ross , Robert W. Rosser
发明人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , Leonard O. Ross , Robert W. Rosser
IPC分类号： C08G73/08 , C08G73/06
CPC分类号： C08G73/08
摘要： Diamidoxime monomers having the formula: ##STR1## are intermolecularly and thermally condensed to form a heat and chemical resistant polymer containing 1,2,4-oxadiazole linkages and having the formula: ##STR2## wherein R represents identical bivalent organic radicals or any combination of bivalent organic radicals selected from the group consisting of --(CX.sub.2).sub.p --, wherein p ranges from 2 to 8 when X is fluorine and 2 to 18 when X is hydrogen, chlorine, nitro or aryl; arylene; and an oligometric or polymeric radical prepared by reacting a dicarboxylic acid halide with a fluorinated epoxide and having the formula: CFY(OCF.sub.2 CFY).sub.m O(CX.sub.2).sub.p O(CFYCF.sub.2 O).sub.n CFY wherein Y is fluorine or trifluoromethyl, X is nitro, aryl, hydrogen, chlorine or fluorine, preferably the latter, p ranges from 1 to 18 and m+n ranges from 2 to 7.
摘要翻译：具有下式的二氨基肟单体：分子和热缩合形成含有1,2,4-恶二唑键的具有耐热和耐化学性的聚合物，具有下式：其中R表示相同的二价有机基团或任意组合选自 - （CX2）p-的二价有机基团，当X为氟时，p为2-8，当X为氢，氯，硝基或芳基时为2-18; 亚芳基以及通过使二羧酸卤化物与氟化环氧化物反应制备的具有下式的寡聚或聚合基团：

6. 发明授权

US4567301A Perfluoro (Imidoylamidine) diamidines 失效
标题翻译：全氟（亚氨基脒）二脒
公开(公告)号：US4567301A
公开(公告)日：1986-01-28
申请号：US741405
申请日：1985-06-05
申请人： Robert W. Rosser , Timothy S. Chen , Chung-Heng Cheng
发明人： Robert W. Rosser , Timothy S. Chen , Chung-Heng Cheng
IPC分类号： C07D251/24 , C07C123/00
CPC分类号： C07D251/24
摘要： Perfluoroether triazine elastomers having improved properties are prepared from oligomeric imidoylamidines that have, in turn, been prepared by the process of (a) reacting a perfluorodinitrile with liquid ammonia to yield a perfluorodiamidine, (b) isolating the perfluorodiamidine, (c) reacting the isolated diamidine with a perfluorodinitrile to yield a perfluoro(imidoylamidine) dinitrile, and then repeating steps (a), (b), and (c) to sequentially grow an oligomer of desired molecular size. The isolated amidine and nitrile intermediates are also disclosed. The elastomers can be fashioned into seals, gaskets, sealing components and the like.
摘要翻译：具有改进性能的全氟醚三嗪弹性体由低聚亚氨基酰胺制备，其又通过以下方法制备：（a）使全氟丁腈与液氨反应得到全氟二氨基吡啶，（b）分离全氟二氨基，（c）（a），（b）和（c），以顺序生长所需分子大小的低聚物，得到全氟（亚氨基脒）二腈，然后重复步骤（a），（b）和（c）。还公开了分离的脒和腈中间体。弹性体可以形成密封件，垫圈，密封部件等。

7. 发明授权

US4269787A Bifunctional monomers having terminal oxime and cyano or amidine groups 失效
标题翻译：具有末端肟和氰基或脒基团的双官能单体
公开(公告)号：US4269787A
公开(公告)日：1981-05-26
申请号：US145283
申请日：1980-04-30
申请人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , Robert W. Rosser , Ibrahim M. Shalhoub , Hanoi Kwong
发明人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , Robert W. Rosser , Ibrahim M. Shalhoub , Hanoi Kwong
IPC分类号： C08G73/08 , C07C121/43 , C07C123/00
CPC分类号： C08G73/08
摘要： New crosslinked 1,2,4-oxadiazole elastomers have been prepared by thermally condensing (a) monomer having the formula H.sub.2 N(HON)C--R--Q, wherein Q is a triazine rig-forming group such as nitrile or amidine or a mixture of such group with amidoxime, or (b) a mixture of said monomer with R[C(NOH)NH.sub.2 ].sub.2, with R in these formulas standing for a bivalent organic radical having the formula--(CX.sub.2).sub.p --, or --CFY(OCF.sub.2 CFY).sub.m O(CX.sub.2).sub.p O(CFYCF.sub.2 O).sub.n CFY--wherein X is fluorine or hydrogen, Y is fluorine or trifluoromethyl, p ranges from 1 to 18, and m+n ranges from 2 to 7. In the monomer charge, the overall proportions of amidoxime groups to triazine ring-forming groups varies depending on the extent of crosslinking desired in the final polymer.
摘要翻译：通过将（a）具有式H 2 N（HON）CRQ的单体（其中Q是三嗪键形成基团如腈或脒）或这些基团的混合物与偕胺肟，或（b）所述单体与R [C（NOH）NH 2] 2的混合物，其中这些式中的R代表具有式 - （CX2）对 - 或-CFY（OCF2CFY）mO的二价有机基团（CX2）pO（CFYCF2O）nCFY-其中X为氟或氢，Y为氟或三氟甲基，p为1至18，m + n为2至7.在单体电荷中，偕胺肟基团的总体比例至三嗪环形成基团根据最终聚合物中所需的交联程度而变化。

8. 发明授权

US4307024A 1,1,1-Triaryl-2,2,2-trifluoroethanes and process for their synthesis 失效
标题翻译： 1,1,1-三芳基-2,2,2-三氟乙烷及其合成方法
公开(公告)号：US4307024A
公开(公告)日：1981-12-22
申请号：US891872
申请日：1978-03-30
申请人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , William D. Kray , Robert W. Rosser
发明人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , William D. Kray , Robert W. Rosser
IPC分类号： C07C17/26 , C07C22/08 , C07C25/18 , C07C37/055 , C07C39/367 , C07C43/225 , C07C43/29 , C07C45/30 , C07C47/55 , C07C63/72 , C07C205/22 , C07C17/00 , C07C17/24 , C07C19/08
CPC分类号： C07C17/263 , C07C205/22 , C07C22/08 , C07C25/18 , C07C37/055 , C07C39/367 , C07C41/30 , C07C43/225 , C07C43/29 , C07C45/30 , C07C47/55 , C07C63/72
摘要： New 1,1,1-triaryl-2,2,2-trifluoroethanes in which the aryl radicals carry one or more substitutents have been prepared by condensation of trifluoroacetophenones with substituted phenyl compounds in the presence of catalytic quantities of trifluoromethylsulfonic acid. The reaction can be carried out under reflux in toluene or, for strikingly better results in certain cases, reactants are simply stirred at room temperature for about 24 to 48 hours.
摘要翻译：通过在催化量的三氟甲基磺酸存在下，三氟苯乙酮与取代的苯基化合物的缩合制备了其中芳基携带一个或多个取代基的新的1,1,1-三芳基-2,2,2-三氟乙醚。反应可以在甲苯中回流进行，或者在某些情况下显着得到更好的结果，将反应物在室温下简单搅拌约24至48小时。

9. 发明授权

US4273918A Preparation of crosslinked 1,2,4-oxadiazole polymer 失效
标题翻译：交联的1,2,4-恶二唑聚合物的制备
公开(公告)号：US4273918A
公开(公告)日：1981-06-16
申请号：US145284
申请日：1980-04-30
申请人： Robert W. Rosser , Ibrahim M. Shalhoub , Hanoi Kwong
发明人： Robert W. Rosser , Ibrahim M. Shalhoub , Hanoi Kwong
IPC分类号： C08G73/08
CPC分类号： C08G73/08
摘要： New crosslinked 1,2,4-oxadiazole elastomers have been prepared by thermally condensing (a) monomer having the formula H.sub.2 N(HON)C-R-Q, wherein Q is a triazine ring-forming group such as nitrile or amidine or a mixture of such group with amidoxime, or (b) a mixture of said monomer with R[C(NOH)NH.sub.2 ].sub.2, with R in these formulas standing for a bivalent organic radical having the formula--(CX.sub.2).sub.p -, or --CFY(OCF.sub.2 CFY).sub.m O(CX.sub.2).sub.p O(CFYCF.sub.2 O).sub.n CFY--wherein X is fluorine or hydrogen, Y is fluorine or trifluoromethyl, p ranges from 1 to 18, and m+n ranges from 2 to 7. In the monomer charge, the overall proportions of amidoxime groups to triazine ring-forming groups varies depending on the extent of crosslinking desired in the final polymer.
摘要翻译：通过将（a）具有式H 2 N（HON）CRQ的单体（其中Q是三嗪环形成基团如腈或脒）或这些基团的混合物与偕胺肟，或（b）所述单体与R [C（NOH）NH 2] 2的混合物，其中这些式中的R代表具有式 - （CX2）对 - 或-CFY（OCF2CFY）mO的二价有机基团（CX2）pO（CFYCF2O）nCFY-其中X为氟或氢，Y为氟或三氟甲基，p为1至18，m + n为2至7.在单体电荷中，偕胺肟基团的总体比例至三嗪环形成基团根据最终聚合物中所需的交联程度而变化。

10. 发明授权

US4242498A Process for the preparation of fluorine containing crosslinked elastomeric polytriazine and product so produced 失效
标题翻译：制备含氟交联弹性聚三嗪和如此制备的产品的方法
公开(公告)号：US4242498A
公开(公告)日：1980-12-30
申请号：US28300
申请日：1979-04-09
申请人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , Robert W. Rosser , Roger A. Korus
发明人： Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch , Robert W. Rosser , Roger A. Korus
IPC分类号： C08G73/06 , C08G63/44
CPC分类号： C08G73/0644
摘要： New crosslinked elastomeric polytriazines have been prepared by a 4-step procedure which consists of: (1) forming a poly(imidoylamidine) by the reaction under reflux conditions of anhydrous ammonia with certain perfluorinated alkyl or alkylether dinitriles; (2) forming a linear polytriazine by cyclizing the imidoylamidine linkages by reaction with certain perfluorinated alkyl or alkylether acid anhydrides or halides; (3) extending the linear polytriazine chain by further refluxing in anhydrous ammonia; and (4) heating to cyclize the new imidoylamidine linkages and thereby crosslink the polymer.
摘要翻译：新的交联弹性聚三嗪已经通过四步法制备，该方法由以下组成：（1）在无水氨与某些全氟化烷基或烷基醚二腈的回流条件下通过反应形成聚（亚氨基脒）; （2）通过与某些全氟化的烷基或烷基醚酸酐或卤化物的反应环化亚氨基脒键来形成线性聚三嗪; （3）通过在无水氨中进一步回流来延伸线性多三嗪链; 和（4）加热以环化新的亚氨基脒键，从而交联聚合物。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式