-
公开(公告)号：US4436870A
公开(公告)日：1984-03-13
申请号：US400689
申请日：1982-07-22
申请人： Klaus Hinselmann , Herbert Naarmann , Adolf Echte , Eduard Heil , Albert Nikles , Rudi W. Reffert , Juergen Hambrecht
发明人： Klaus Hinselmann , Herbert Naarmann , Adolf Echte , Eduard Heil , Albert Nikles , Rudi W. Reffert , Juergen Hambrecht
IPC分类号： C08L7/00 , B29C35/00 , B29C45/00 , C08G65/46 , C08J3/00 , C08J3/20 , C08L21/00 , C08L23/00 , C08L33/00 , C08L33/02 , C08L71/00 , C08L71/12 , C08L101/00 , C08L71/04
CPC分类号： C08J3/005 , C08G65/46 , C08L71/12 , Y10S525/905
摘要： Molding materials containing high molecular weight polyphenylene ethers are produced by a process in which a solution of a polyphenylene ether in an organic solvent, together with another polymer, is freed of solvent by multi-stage evaporation.The solvent is preferably an aromatic compound from the class comprising the hydrocarbons, halohydrocarbons, ethers or esters, the ratio of the other polymer to the polyphenylene ether is advantageously from 99:1 to 20:80 parts by weight, the other polymer is, in particular, a homopolymer or copolymer of styrene or of a homolog thereof, which may be modified with rubber, and the multi-stage evaporation process preferably comprises not less than two and not more than four working up stages.The evaporation is carried out in general at from 120.degree. to 280.degree. C. and under a pressure of from 1 to 3,000 mbar, advantageously in the presence of assistants which reduce the partial pressure, eg. water and/or methanol.
摘要翻译： 含有高分子量聚苯醚的成型材料是通过多层蒸发而将有机溶剂中的聚苯醚与其它聚合物一起溶解的方法而制得的。 溶剂优选为包含烃类，卤代烃类，醚类或酯类的芳族化合物，另一种聚合物与聚苯醚的比率有利地为99:1至20:80重量份，另一个聚合物为 特别是可以用橡胶改性的苯乙烯或其同系物的均聚物或共聚物，多级蒸发方法优选包括不少于2个且不超过4个加工阶段。 蒸发通常在120℃至280℃和1至3,000毫巴的压力下进行，有利的是在有助于降低分压的助剂的存在下进行。 水和/或甲醇。
-
公开(公告)号：US4696996A
公开(公告)日：1987-09-29
申请号：US797884
申请日：1985-11-14
申请人： Hermann Brandt , Hermann Fischer , Hermann Dreher , Eduard Heil , Juergen Hambrecht , Herbert Naarmann , Adolf Echte , Hermann Gausepohl , Peter Siebel , Johann Swoboda , Gerd Schwoebel , Albert Nikles
发明人： Hermann Brandt , Hermann Fischer , Hermann Dreher , Eduard Heil , Juergen Hambrecht , Herbert Naarmann , Adolf Echte , Hermann Gausepohl , Peter Siebel , Johann Swoboda , Gerd Schwoebel , Albert Nikles
CPC分类号： C08G65/44 , B01J19/1862 , B01J19/1881 , B01J2219/00094 , B01J2219/00103 , B01J2219/0011
摘要： Polyphenylene ethers are prepared from monohydric phenols, which possess alkyl substituents in the two ortho-positions and, if desired, in the meta-position, but not in the para-position, by an oxidative coupling reaction with oxygen at from 15.degree. to 50.degree. C. and under from 1 to 10 bar in the presence of a catalyst complex, of a solvent and, if required, of an activator, by a method in which the conversion of the phenols is carried out in two more reaction zones, in which some or all of the solvent, the catalyst complex and the phenols and, where relevant, the activator is initially taken and is circulated by means of a conveying unit, and about 60-100% of the stoichiometric amount of oxygen required for the oxidative coupling is introduced into the first reaction zone and from 0 to about 40% of the said stoichiometric amount is introduced into the second reaction zone.
摘要翻译： 聚苯醚由单羟基苯酚制得，它们在两个邻位具有烷基取代基，如果需要，在间位，而不是在对位，通过与15至50的氧的氧化偶联反应， 在催化剂配合物存在下，在溶剂和如果需要的情况下，活化剂存在下，在1至10巴下，通过酚的转化在两个更多的反应区中进行，在 其中一些或全部溶剂，催化剂络合物和酚，并且在相关的情况下，活化剂最初被摄取并通过输送单元循环，并且约60-100％的化学计量量的氧化所需的氧 将偶联引入第一反应区，并将0至约40％的所述化学计量量引入第二反应区。
-
公开(公告)号：US4654418A
公开(公告)日：1987-03-31
申请号：US627984
申请日：1984-07-05
申请人： Rosemarie Berger , Hermann Dreher , Juergen Hambrecht , Eduard Heil , Rudi W. Reffert , Johann Swoboda , Adolf Echte , Peter Siebel
发明人： Rosemarie Berger , Hermann Dreher , Juergen Hambrecht , Eduard Heil , Rudi W. Reffert , Johann Swoboda , Adolf Echte , Peter Siebel
CPC分类号： C08G65/46
摘要： The catalyst is removed in the preparation of high molecular weight polyphenylene ethers from monohydric phenols, which are alkyl-substituted at the two ortho-positions but not at the para-position and may or may not be alkyl-substituted at the meta-position, by an oxidative coupling reaction with oxygen at from 15.degree. to 50.degree. C. in the presence of a catalyst complex obtained from a copper salt and an organic amine, in the presence of from 1 to 20 parts by weight of a solvent per part by weight of the monomeric phenol, and in the presence or absence of an activator, and removal of the metal component of the catalyst from the polyphenylene ether solution with a complex-forming or chelate-forming compound in aqueous solution, in the presence or absence of reducing and stabilizing substances and assistants for accelerating the interphase reactions and for phase separation, by a method in which the continuous removal of the copper catalyst is carried out in one or more mixer-settler stages at a phase volume ratio of the organic phase to the aqueous phase of from 1:0.1 to 1:1.0, preferably from 1:0.4 to 1:0.6.
摘要翻译： 在从一元酚制备高分子量聚苯醚时除去催化剂，该二元酚在两个邻位进行烷基取代，而不是在对位，在间位可以是或不是烷基取代的， 在由铜盐和有机胺获得的催化剂配合物的存在下，在15〜50℃下，与氧气进行氧化偶合反应，每份由1〜20份重量的溶剂 单体苯酚的重量，并且在存在或不存在活化剂的情况下，在存在或不存在复合物形成或螯合形成化合物的情况下，在聚苯醚溶液中除去催化剂的金属组分 减少和稳定物质和辅助剂，用于加速相间反应和相分离，方法是连续除去铜催化剂的方法是在一个或多个混合沉淀器 以有机相与水相的相体积比为1:0.1至1:1.0，优选1:0.4至1:0.6。
-
公开(公告)号：US4482705A
公开(公告)日：1984-11-13
申请号：US518612
申请日：1983-07-29
IPC分类号： C08G65/46
CPC分类号： C08G65/46
摘要： High molecular weight polyphenylene ethers are prepared from monohydric phenols by an oxidative coupling reaction with oxygen in the presence of a catalyst complex obtained from a copper salt and an organic amine by a method wherein the metal component of the catalyst is separated off, after the polymerization, by the addition of a polymeric polycarboxylic acid which is essentially composed of unsaturated monofunctional or difunctional carboxylic acids and/or their anhydrides.Advantageously, the polymeric polycarboxylic acids used are homopolymers or copolymers of (a) from 50 to 100% by weight of one or more unsaturated monofunctional acids of 3 to 10 carbon atoms and/or one or more difunctional acids or their anhydrides of 4 to 6 carbon atoms and from 0 to 50% by weight of one or more monomers which do not possess an acid function and can be copolymerized with (a).
摘要翻译： 在由铜盐和有机胺得到的催化剂配合物的存在下，通过与氧的氧化偶合反应，通过催化剂的金属组分在聚合后分离的方法，由一元酚制备高分子量聚苯醚 通过加入基本上由不饱和单官能或双官能羧酸和/或它们的酸酐组成的聚合多元羧酸。 有利地，所使用的聚合多元羧酸是（a）50至100重量％的一种或多种3至10个碳原子的不饱和单官能酸和/或一种或多种双官能酸或其酸酐4至6的均聚物或共聚物 碳原子和0至50重量％的一种或多种不具有酸官能并可与（a）共聚的单体。
-
公开(公告)号：US4460764A
公开(公告)日：1984-07-17
申请号：US516383
申请日：1983-07-21
CPC分类号： C08G65/46
摘要： In the preparation of a high molecular weight polyphenylene ether from a monohydric phenol by an oxidative coupling reaction with oxygen in the presence of a catalyst complex obtained from a metal salt and an organic amine and in the presence of a solvent, and isolation of the metal ion component of the catalyst from the polyphenylene ether solution by means of a complex-forming or chelate-forming compound, the catalyst is removed by a method wherein complex formation and isolation of the metal ion component of the catalyst are carried out in an aqueous medium in the presence of from 0.1 to 5,000 mg of an anionic or non-ionic surfactant.
摘要翻译： 在由金属盐和有机胺获得的催化剂配合物的存在下和在溶剂的存在下，通过与氧的氧化偶联反应从一元酚制备高分子量聚苯醚，并分离金属 通过复合物形成或螯合形成化合物从聚苯醚溶液中除去催化剂的离子组分，通过催化剂的金属离子组分的复合形成和分离在水性介质中进行的方法除去催化剂 在0.1至5,000mg阴离子或非离子表面活性剂的存在下。
-
公开(公告)号：US4503219A
公开(公告)日：1985-03-05
申请号：US489558
申请日：1983-04-28
CPC分类号： C08F6/006
摘要： (Co)polymers which are composed of one or more monomers from the group comprising(a) the vinyl-aromatic monomers and(b) the ethylenically unsaturated monomersand furthermore contain one or more monomer components (a) or (b), or (a) and (b), as unreacted residual monomers are treated at above the glass temperature of the (co)polymer and in the presence of one or more assistants, which have been added to the (co)polymer. The assistant used is a bicyclic compound of the general formula I ##STR1## where X is a methylene, ethylene, 1,1-ethenyl, 1,2-ethenyl, carbonyl, azo, amino, ether or thioether group which is unsubstituted or substituted by halogen, alkyl, alkenyl, cycloalkyl, aryl, carboxyl, carboxyalkyl, an ether group or a thioether group, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each hydrogen, halogen, alkyl, alkenyl, cycloalkyl, aryl, carboxyalkyl or nitrile, R.sup.5 and R.sup.6 are each hydrogen, halogen, alkyl or carboxyalkyl, and R.sup.7 and R.sup.8 are each hydrogen, halogen, alkyl, alkenyl, aryl, carboxyalkyl, carboxyl or nitrile.
摘要翻译： （a）乙烯基芳族单体和（b）烯键式不饱和单体并且还含有一种或多种单体组分（a）或（b）或（a）的单体组分 a）和（b）中，作为未反应的残余单体在（共）聚合物的玻璃化温度以上和在已加入到（共））聚合物中的一种或多种助剂的存在下进行处理。 使用的助剂是通式I的双环化合物，其中X是未取代或取代的亚甲基，亚乙基，1,1-乙烯基，1,2-乙烯基，羰基，偶氮，氨基，醚或硫醚基 卤素，烷基，烯基，环烷基，芳基，羧基，羧基烷基，醚基或硫醚基，R1，R2，R3和R4各自为氢，卤素，烷基，烯基，环烷基，芳基，羧烷基或腈，R5和 R 6各自为氢，卤素，烷基或羧基烷基，R 7和R 8各自为氢，卤素，烷基，烯基，芳基，羧基烷基，羧基或腈。
-
公开(公告)号：US4496679A
公开(公告)日：1985-01-29
申请号：US531656
申请日：1983-09-13
CPC分类号： C08G65/46
摘要： A process for the preparation of high molecular weight polyphenylene ethers from alkyl-substituted monohydric phenols by an oxidative coupling reaction with oxygen in the presence of a catalyst complex of a copper salt and an organic amine, subsequent stopping of the reaction and removal of the metal component of the catalyst by addition of chelating and/or salt-forming agents, wherein the polymer solution is treated with a compound having the general structure: ##STR1## where R.sup.2 and R.sup.3 can be identical or different and each is OH, NH.sub.2, NHR.sup.5, where R.sup.5 is alkyl or cycloalkyl, or SH, and where R.sup.1 and R.sup.4 are identical or different, being hydrogen, alkyl, cycloalkyl, aryl, carbonyl, carboxyl, carboxyalkyl or nitrile, and can be linked to form a ring, advantageously in an amount of from 0.1 to 100 mmoles and advantageously in from 1 to 20% strength aqueous solutions.
摘要翻译： 在铜盐和有机胺的催化剂络合物存在下，通过与氧的氧化偶联反应从烷基取代的一元酚制备高分子量聚苯醚的方法，随后停止反应和除去金属 通过加入螯合和/或成盐剂的催化剂组分，其中聚合物溶液用具有以下通式结构的化合物处理：其中R 2和R 3可以相同或不同，并且各自为OH，NH 2，NHR 5 ，其中R 5是烷基或环烷基或SH，并且其中R 1和R 4相同或不同，是氢，烷基，环烷基，芳基，羰基，羧基，羧基烷基或腈，并且可以连接形成环，有利地在 量为0.1至100毫摩尔，有利地为1至20％强度的水溶液。
-
公开(公告)号：US4446277A
公开(公告)日：1984-05-01
申请号：US497150
申请日：1983-05-23
IPC分类号： C08L51/00 , C08L33/00 , C08L33/02 , C08L51/02 , C08L51/04 , C08L51/06 , C08L71/00 , C08L71/12 , C08L61/04
CPC分类号： C08L51/04 , C08L71/123 , Y10S525/905
摘要： A thermoplastic molding material based on a styrene polymer which has been made impact-resistant, and on a polyphenylene ether, wherein the impact-resistant styrene polymer comprises a soft component which has a mean particle diameter of greater than 0.3 .mu.m and contains an acrylic ester polymer as the elastomeric component. The novel molding materials possess improved flow and give moldings having improved aging resistance.
摘要翻译： 基于已经制成抗冲击性的苯乙烯聚合物的热塑性模塑材料和聚苯醚，其中耐冲击苯乙烯聚合物包含平均粒径大于0.3μm的软组分，并含有丙烯酸 酯聚合物作为弹性体组分。 新型成型材料具有改善的流动性，并赋予具有改善的耐老化性的模制品。
-
9.发明授权
公开(公告)号：US4618636A
公开(公告)日：1986-10-21
申请号：US692621
申请日：1985-01-18
摘要： A flameproofed thermoplastic molding material consists ofA. a thermoplastic resin containing a vinylaromatic monomerand furthermore containsB. from 0 to 100 parts by weight of an elastomer having a glass transition temperature Tg 0.degree. C., as an impact modifier,C. from 2 to 50 parts by weight of a halogen-containing organic compound (flameproofing agent),D. from 0.5 to 20 parts by weight of a compound containing a metal or non-metal (synergistic agent) andE. from 5 to 50 parts by weight of a novolak (phenol/aldehyde resin).The novolak is obtained from an aldehyde of the formula (I)R.sup.1 --CHO (I)where R.sup.1 is H, C.sub.1 -C.sub.10 -alkyl, cycloalkyl, C.sub.6 -C.sub.12 -aryl or .omega.-aryl-C.sub.1 -C.sub.3 -alkyl, and a mixture of phenols, and this mixture contains two or more monosubstituted phenols and the substituents can be alkyl of 1 to 8 carbon atoms or CN.The molding material is used for the production of flameproofed moldings.
摘要翻译： 一种防火热塑性成型材料由A.含有乙烯基芳族单体的热塑性树脂组成，并且还含有0-100重量份玻璃化转变温度Tg 0℃的弹性体，作为抗冲改性剂的C.来自 2至50重量份的含卤素的有机化合物（防火剂），D。0.5至20重量份的含有金属或非金属的化合物（增效剂）和E。5至50份 酚醛清漆（苯酚/醛树脂）的重量。 酚醛清漆得自式（Ⅰ）R1-CHO（Ⅰ）的醛，其中R1是H，C1-C10-烷基，环烷基，C6-C12-芳基或ω-芳基-C1-C3-烷基，和 酚的混合物，并且该混合物含有两个或更多个单取代的酚，并且取代基可以是1至8个碳原子的烷基或CN。 成型材料用于生产防火模制品。
-
公开(公告)号：US4536567A
公开(公告)日：1985-08-20
申请号：US631948
申请日：1984-07-18
CPC分类号： C08G65/46
摘要： High molecular weight polyphenylene ethers are prepared from a monohydric phenol by an oxidative coupling reaction with oxygen in the presence of a catalyst complex obtained from a copper salt and an organic amine, and in the presence of a solvent, by a process in which the metal component of the catalyst is removed after the polymerization by adding one or more organic ammonium salts of the general formula ##STR1## where A.sup..crclbar. is an anion or polyanion of an organic carboxylic, sulfonic or phosphonic acid, R.sup.1 is hydrogen, R.sup.2 and R.sup.3 are each hydrogen, alkyl of 1 to 18 carbon atoms or aryl and R.sup.4 is alkyl of 1 to 18 carbon atoms or aryl.
摘要翻译： 在由铜盐和有机胺得到的催化剂配合物存在下，通过与氧的氧化偶联反应，在溶剂存在下，通过一种方法制备高分子量聚苯醚，其中金属 通过加入一种或多种通式为“IMAGE”的有机铵盐，其中A（ - ）是有机羧酸，磺酸或膦酸的阴离子或聚阴离子，R1是氢，R2和R2，并且 R3各自为氢，1至18个碳原子的烷基或芳基，R4为1至18个碳原子的烷基或芳基。
-
-
-
-
-
-
-
-
-
搜索结果
39 条记录 (耗时 0.026 秒)
