-
公开(公告)号：US5061756A
公开(公告)日：1991-10-29
申请号：US566017
申请日：1990-08-10
CPC分类号： C08G18/10 , C08G18/0871
摘要： The present invention is directed to an improved process for the direct preparation of polyurethane powders in a finely divided form by the reaction of polyisocyanates and isocyanate reactive compounds in a carrier phase, using interface active compounds, the improvement wherein the interface active compound used consists of at least one polymer of a urethane of (i) a long chain alkyl isocyanate and (ii) a hydroxyalkyl-acrylic or -metacrylic acid ester.
摘要翻译： 本发明涉及一种用于使用界面活性化合物通过多异氰酸酯和异氰酸酯反应性化合物在载体相中反应而以细碎形式直接制备聚氨酯粉末的改进方法，其中使用的界面活性化合物由 （i）长链烷基异氰酸酯和（ii）羟烷基 - 丙烯酸或 - 甲基丙烯酸酯的氨基甲酸酯的至少一种聚合物。
-
12.发明授权
公开(公告)号：US4980441A
公开(公告)日：1990-12-25
申请号：US315859
申请日：1989-02-27
IPC分类号： C07C68/02 , C07C69/96 , C08G63/64 , C08G64/06 , C08G64/10 , C08G71/00 , C08G71/04 , C09K19/20 , C09K19/38
CPC分类号： C08G71/04 , C08G64/06 , C08G64/10 , C09K19/2007 , C09K2019/2035
摘要： Liquid crystalline bis-chlorocarbonic acid esters are 4-hydroxybenzoic acid-(4'-hydroxyphenyl) esters corresponding to the following formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 denote, independently of one another, hydrogen, a halogen atom or a C.sub.1 to C.sub.6 alkyl group. Preparation of (I) and liquid crystalline N-alkyl polyurethanes and polycarbonates prepared form (I) are other invention embodiments.
摘要翻译： 液晶双氯碳酸酯是对应于下式的4-羟基苯甲酸 - （4'-羟基苯基）酯其中R 1，R 2，R 3和R 4彼此独立地表示氢，卤素 原子或C1-C6烷基。 （I）和由（I）制备的液晶N-烷基聚氨酯和聚碳酸酯的制备是其它发明实施方案。
-
13.发明授权Preparation of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters with organic phase comprising mixture of hydrocarbons 失效芳族聚碳酸酯，芳族聚酯碳酸酯和芳族聚酯与有机相的制备，包括烃的混合物
公开(公告)号：US4946927A
公开(公告)日：1990-08-07
申请号：US331313
申请日：1989-03-30
申请人： Wolfgang Ebert , Rolf-Volker Meyer , Rolf Dhein , Udo Oels
发明人： Wolfgang Ebert , Rolf-Volker Meyer , Rolf Dhein , Udo Oels
摘要： The present invention relates to a process for the preparation of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters by the known two phase interface process, which is characterized in that the organic phase used is a mixture of aromatic hydrocarbons with alkanes and/or cycloalkanes.
摘要翻译： 本发明涉及通过已知的两相界面方法制备芳族聚碳酸酯，芳族聚酯碳酸酯和芳族聚酯的方法，其特征在于所用的有机相是芳族烃与烷烃和/或环烷烃的混合物。
-
14.发明授权
公开(公告)号：US4919514A
公开(公告)日：1990-04-24
申请号：US294079
申请日：1989-01-05
CPC分类号： G02B6/02033 , C08F290/06 , C08G18/672 , C09D4/00 , G02B1/048
摘要： A process for the production of optical fibers based on aromatic polycarbonates wherein the polycarbonate fibres are coated with a plastic, the improvement which comprises(a) to coat the fiber with an UV irradiation-polymerizable mixture which comprises(A) 25 to 75% by weight, based on the total weight of the polymerizable compounds, of a polyfunctional (meth)acrylic acid derivative of the formula ##STR1## (B) 75 to 25% by weight, based on the total weight of the polymerizable compounds, of a monofunctional (meth)acrylate of the formula ##STR2## (C) 0.1 to 10% by weight, based on the total weight of the polymerizable compounds, of a photoinitiator, and(b) to polymerize this mixture on the fibre by UV irradiation.
摘要翻译： 一种用于生产基于芳族聚碳酸酯的光纤的方法，其中聚碳酸酯纤维用塑料涂覆，其改进包括（a）用UV辐射可聚合混合物涂覆纤维，所述混合物包含（A）25至75％ 基于可聚合化合物的总重量，基于总重量的75至25重量％的式（I）+ TR（IMA）（B）的多官能（甲基）丙烯酸衍生物 的可聚合化合物，式（III）（C）的单官能（甲基）丙烯酸酯占基于可聚合化合物的总重量的0.1至10重量％的光引发剂，和（b）至 通过紫外线照射在纤维上聚合该混合物。
-
15.发明授权
公开(公告)号：US4824639A
公开(公告)日：1989-04-25
申请号：US151779
申请日：1988-02-03
IPC分类号： G01N31/22 , G01N33/52 , G01N33/483
CPC分类号： G01N33/523 , Y10S435/805
摘要： In a test strip for the detection of a component in a liquid sample, the strip comprising a support layer, a microporous polymer layer and a reagent for the detection of the component to be determined, the improvement wherein the microporous polymer layer is a membrane which has an asymmetric pore structure with the narrower pores being on the side to which the sample is applied, and the support layer is macroscopically smooth. The porous membrane is produced by coagulation from solution.
摘要翻译： 在用于检测液体样品中的组分的测试条中，包括支撑层，微孔聚合物层和用于检测要测定的组分的试剂的条带，其中微孔聚合物层是膜，其中， 具有不对称孔结构，其中较窄的孔位于施加样品的一侧，并且支撑层在宏观上平滑。 多孔膜通过从溶液中凝结而产生。
-
公开(公告)号：US4661104A
公开(公告)日：1987-04-28
申请号：US681976
申请日：1984-12-14
CPC分类号： A61K9/7053 , A61K9/7076 , Y10T428/24479
摘要： In a therapeutic system such as a plaster for administration of an active compound through the skin and comprising a covering layer which is essentially impermeable to the active compound, an active compound reservoir layer and a protective layer which can be pulled off and which is essentially impermeable to the active compound, the improvement wherein the reservoir layer contain about 1-30% of active compound in an elastomer mixture comprising a predominantly amorphous olefinic (co)polymer with a glass transition temperature of
摘要翻译： 在诸如用于通过皮肤施用活性化合物的石膏的治疗系统中，包括基本上不可渗透活性化合物的覆盖层，活性化合物储存层和可以被拉出并且基本上不渗透的保护层 对活性化合物的改进，其中储层在含有玻璃化转变温度<20℃的主要是无定形烯烃（共）聚合物的弹性体混合物中含有约1-30％的活性化合物，与0混合 至约50重量％的聚异丁烯，聚丁二烯油和/或石蜡油，以及增粘树脂。 因此，活性化合物可以在更长的时间内以相对大的量调节释放。
-
公开(公告)号：US4616053A
公开(公告)日：1986-10-07
申请号：US743986
申请日：1985-06-12
申请人： Klaus-Dieter Schultz , Rolf-Volker Meyer , Rolf Dhein , Heinz-Josef Fullmann , Dietrich Michael
发明人： Klaus-Dieter Schultz , Rolf-Volker Meyer , Rolf Dhein , Heinz-Josef Fullmann , Dietrich Michael
摘要： Thermoplastical processible polyamides are rendered hydrophobic by addition of particular aromatic amines, optionally in combination with selected phenolic compounds.
摘要翻译： 通过加入特定的芳族胺，任选地与选择的酚类化合物组合，使热塑性可加工的聚酰胺变得疏水。
-
公开(公告)号：US4563516A
公开(公告)日：1986-01-07
申请号：US640914
申请日：1984-08-15
CPC分类号： B01D71/80 , B01D67/0006 , C08G64/183 , B01D71/50 , B01D71/52
摘要： The present invention relates to a process for the preparation of polyether-polycarbonates, a process for stabilizing the polyether-polycarbonates thus prepared, a process for the production of membranes from the polyether-polycarbonates prepared according to the invention, stabilized membranes obtainable by the process according to the invention and the use of the polyether-polycarbonate membranes obtainable by the process according to the invention for dialysis, ultrafiltration and reverse osmosis.
摘要翻译： 本发明涉及一种制备聚醚 - 聚碳酸酯的方法，一种稳定所制备的聚醚 - 聚碳酸酯的方法，由根据本发明制备的聚醚 - 聚碳酸酯生产膜的方法，可通过该方法获得的稳定的膜 根据本发明以及通过根据本发明的方法可获得的聚醚 - 聚碳酸酯膜用于透析，超滤和反渗透。
-
公开(公告)号：USRE32046E
公开(公告)日：1985-12-10
申请号：US687787
申请日：1984-12-31
申请人： Erich Eimers , Rolf Dhein , Wolfgang Cohnen , Engelbert Kuhle , Gerhard Heywang
发明人： Erich Eimers , Rolf Dhein , Wolfgang Cohnen , Engelbert Kuhle , Gerhard Heywang
IPC分类号： C08K5/1525 , C08K5/50 , C08K5/5435
CPC分类号： C08K5/50 , C08K5/1525 , C08K5/5435
摘要： Certain solutions of phosphines in oxetane compounds impart oxidative stability to aromatic thermoplastic polycarbonates in which such solutions are admixed.
-
公开(公告)号：US4499000A
公开(公告)日：1985-02-12
申请号：US467991
申请日：1983-02-18
申请人： Karl-Heinz Hentschel , Rolf Dhein , Hans Winter , Herbert Vojacek
发明人： Karl-Heinz Hentschel , Rolf Dhein , Hans Winter , Herbert Vojacek
IPC分类号： C07D317/72 , C07D319/08 , C07D319/16 , C07D321/10 , C09K5/04 , C10M105/18 , C10M169/00 , C10M171/00 , C10N40/08 , C09K5/00
CPC分类号： C07D317/72 , C07D319/16 , C10M105/18 , C10M171/002 , C10M3/00 , C10M2205/026 , C10M2205/04 , C10M2205/06 , C10M2207/044 , C10M2209/084 , C10M2215/066 , C10M2219/108 , C10M2223/045 , C10N2210/02 , C10N2240/06 , C10N2240/08
摘要： Certain spirocyclic ketals of the formula ##STR1## in which R.sup.1 in the case where R.sup.2 denotes hydrogen, represents a cyclohexyl radical optionally substituted by lower alkyl, lower alkoxy and/or cycloalkyl with 5 to 7 carbon atoms, or in whichR.sup.1 and R.sup.2 are linked through 4 methylene groups, which are optionally substituted by lower alkyl, lower alkoxy and/or cycloalkyl with 5 to 7 carbon atoms and form a further acyclic ring.R.sup.3, R.sup.4 and R.sup.5 are identical or different and denote hydrogen, lower alkyl, lower alkoxy or cycloalkyl with 5 to 7 carbon atoms, andZ denotes alkylene with 2 to 4 carbon atoms which is optionally substituted by lower alkyl and/or cycloalkyl with 5 to 7 carbon atoms,are disclosed together with their use in power transmission fluids.
摘要翻译： 式中，R 1表示氢的情况下，R 1表示任选被具有5〜7个碳原子的低级烷基，低级烷氧基和/或环烷基取代的环己基，或其中R 1和R 2为 其通过4个亚甲基连接，其任选被具有5至7个碳原子的低级烷基，低级烷氧基和/或环烷基取代并形成另外的无环环。 R3，R4和R5相同或不同，表示氢，低级烷基，低级烷氧基或碳原子数5〜7的环烷基，Z表示碳原子数为2〜4的亚烷基，任选被低级烷基和/或环烷基取代为5 至7个碳原子，以及它们在动力传递液体中的用途。
-
-
-
-
-
-
-
-
-
搜索结果
153 条记录 (耗时 0.022 秒)
