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47 条记录 (耗时 0.024 秒)

    Stabilization of polyphenylene ether solutions
    22.
    发明授权
    Stabilization of polyphenylene ether solutions 失效
    聚苯醚溶液的稳定化

    公开(公告)号：US4496679A

    公开(公告)日：1985-01-29

    申请号：US531656

    申请日：1983-09-13

    申请人： Juergen Hambrecht ,  Rudi W. Reffert ,  Adolf Echte ,  Johann Swoboda

    发明人： Juergen Hambrecht ,  Rudi W. Reffert ,  Adolf Echte ,  Johann Swoboda

    IPC分类号： C08G65/46 ,  C08L71/04

    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。

    Heat distortion resistant, thermoplastic molding material containing a copolymer, preparation of the molding material and its use
    23.
    发明授权
    Heat distortion resistant, thermoplastic molding material containing a copolymer, preparation of the molding material and its use 失效
    耐热损伤剂，含有共聚物的热塑性成型材料，模塑材料的制备及其使用

    公开(公告)号：US5116907A

    公开(公告)日：1992-05-26

    申请号：US589276

    申请日：1990-09-28

    申请人： Ehrenfried Baumgartner ,  Adolf Echte ,  Juergen Mertes

    发明人： Ehrenfried Baumgartner ,  Adolf Echte ,  Juergen Mertes

    IPC分类号： C08F212/10 ,  C08F20/52 ,  C08F212/00 ,  C08F212/08 ,  C08F220/42 ,  C08F220/44 ,  C08F220/54 ,  C08F220/56

    CPC分类号： C08F212/08 ,  C08F220/54

    摘要： A molding material is described which contains, in each based on the sum of A, B and C,A. from 5 to 95, in particular from 20 to 80, % by weight of a copolymer comprisinga) from 1 to 95% by weight of styrene,b) not more than 40% by weight of acrylonitrile andc) from 5 to 98% by weight of an amide of methacrylic acid of the formula I ##STR1## where R is primary, secondary or tertiary alkyl, cycloalkyl, aryl or aralkyl of 1 or 6 or 7, respectively, to 12 carbon atoms, with the proviso that, when alkyl is methyl or isopropyl, the copolymer has a styrene content of less than 75% by weight,B. from 5 to 60, in particular from 10 to 40, % by weight of a graft polymer B, prepared by emulsion polymerization of a mixture of styrene and acrylonitrile in the weight ratio from 60:40 to 90:10 in the presence of, based on the amount of expected copolymer, from 40 to 80, in particular from 50 to 70, % by weight of a conventional particulate, partially crosslinked diene rubber or acrylate rubber, andC. Not more than 90, in particular from 10 to 40, % by weight of a further thermoplastic resin C.

    摘要翻译： 描述了一种成型材料，其各自基于A，B和C的总和，A为5至95，特别是20至80，共聚物的重量％包含a）1至95％ 苯乙烯的重量，b）不大于40重量％的丙烯腈和c）5至98重量％的式I的甲基丙烯酸酰胺其中R是伯，仲或叔烷基 1或6或7的环烷基，芳基或芳烷基分别为12个碳原子，条件是当烷基为甲基或异丙基时，该共聚物的苯乙烯含量小于75重量％，B为5 至60重量％，特别是10至40重量％的接枝聚合物B，其通过以60:40至90:10的重量比以苯乙烯和丙烯腈的混合物的乳液聚合制备，基于 预期的共聚物的量，40至80，特别是50至70重量％的常规颗粒部分交联的二烯橡胶或丙烯酸酯橡胶 r和C.不大于90，特别是10至40，另外的热塑性树脂C的重量％

    Production of molding materials containing polyphenylene ethers
    26.
    发明授权
    Production of molding materials containing polyphenylene ethers 失效
    生产含聚苯醚的成型材料

    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。

    Impact resistant thermoplastic molding composition and use thereof
    29.
    发明授权
    Impact resistant thermoplastic molding composition and use thereof 失效
    耐冲击热塑性成型用组合物及其用途

    公开(公告)号：US5011871A

    公开(公告)日：1991-04-30

    申请号：US323753

    申请日：1989-03-15

    申请人： Rainer Bueschl ,  Adolf Echte ,  Konrad Schulte ,  Hans Mittnacht

    发明人： Rainer Bueschl ,  Adolf Echte ,  Konrad Schulte ,  Hans Mittnacht

    IPC分类号： C08F279/02

    CPC分类号： C08F279/02

    摘要： An impact resistance thermoplastic molding composition contains, each percentage being based on A+B, from 80 to 55% by weight of a hard matrix A of a copolymer containing at least 95% by weight of an aromatic vinyl monomer a.sub.11 of from 8 to 10 carbon atoms and at least one comonomer a.sub.12 in a proportion of 0.1 to 5% by weight, based on A, and from 45 to 20% by weight of a soft phase B which, uniformly dispersed in the hard matrix, has an average particle diameter d.sub.50 (volume average) of from 3.5 to 9 .mu.m and is obtainable by polymerization of the mixture of monomers a.sub.11 and a.sub.12 in the presence of an elastomer (rubber) and subsequent isolation of the useful product, wherein the comonomer a.sub.12 has the general formula I ##STR1## where X is --OR.sup.2, --COOR.sup.2 or --CONHR.sup.3,R.sup.1 is hydrogen or methyl andR.sup.2 and R.sup.3 are each alkyl of from 1 or 2 to 10 carbon atoms with at least one OH or epoxy group or at least one other polar group.

    摘要翻译： 抗冲击性热塑性成型组合物含有以百分比为基准的A + B，80〜55重量％的含有至少95重量％的芳族乙烯基单体a11为8〜10的共聚物的硬质基质A 碳原子和至少一种共聚单体a 12，其比例为0.1至5重量％，基于A，和45至20重量％的均匀分散在硬质基质中的软相B具有平均粒径 d50（体积平均）为3.5至9μm，可通过在弹性体（橡胶）存在下聚合单体a11和a12的混合物，随后分离有用的产物而获得，其中共聚单体a12具有通式 （I）其中X是-OR2，-COOR2或-CONHR3，R1是氢或甲基，R2和R3各自为具有1或2至10个碳原子的烷基，具有至少一个OH或环氧基团或在 至少另一个极地组。