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公开(公告)号：US4418180A
公开(公告)日：1983-11-29
申请号：US296849
申请日：1981-08-27
申请人： Gerhard Heinz , Burghard Schmitt , Ingo H. Dorn , Hermann Gausepohl , Karl Gerberding , Rudolf H. Jung , Hans Mittnacht , Jurgen Pohrt , Paul Witimer
发明人： Gerhard Heinz , Burghard Schmitt , Ingo H. Dorn , Hermann Gausepohl , Karl Gerberding , Rudolf H. Jung , Hans Mittnacht , Jurgen Pohrt , Paul Witimer
IPC分类号： C08F297/04
CPC分类号： C08F297/044
摘要： A process for the preparation of branched block copolymers of from 60 to 95% by weight of a monovinyl-aromatic monomer and from 40 to 5% by weight of a conjugated diene by polymerizing the monomers in an inert solvent in the presence of a monolithium-hydrocarbon as the initiator, wherein, in a first process stage (a), from 50 to 80, or where necessary at most 90, % by weight of the total amount of monovinyl-aromatic compound are polymerized to virtually complete conversion in the presence of a relatively small amount of the monolithium-hydrocarbon. This stage is carried out by starting with from 30 to 70% by weight of the vinyl-aromatic monomer and adding from 70 to 30% by weight in the feed, during the polymerization, in such a way that the polymerization temperature, which at the start of the polymerization is from 30.degree. to 40.degree. C., is kept at from 45.degree. to 70.degree. C., with use of reflux cooling. After all the monomer feed has been added, the reaction temperature is lowered to 30.degree.-40.degree. C. by evaporative cooling. In a second process stage (b), an additional amount of initiator is added to the reaction solution, after which from 1 to 30% by weight of the total amount of monovinyl-aromatic monomer can be added, the sum of the amounts of monovinyl-aromatic monomer added in the first and second process stages being at most 90% by weight of the total amount of monovinyl-aromatic monomer. The monovinyl-aromatic monomer added in the second process stage is polymerized to virtually complete conversion, employing the temperature profile described for stage (a). In process stage (c), the remainder of the monovinyl-aromatic monomer and all of the conjugated diene are added, at least predominantly in the form of a mixture, and polymerized so that the reaction temperature does not rise above 90.degree.-110.degree. C. Finally, after virtually complete conversion of the monomers, and preferably without prior cooling, a suitable liquid polyfunctional coupling agent is run in undiluted and the mixture of the linear block copolymers obtained, which still contain active terminal lithium-carbon bonds, is coupled, with stirring, to form branched block copolymers. The products prepared according to the invention are used for injection molding.
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2.发明授权Electrically conductive thermoplastic mixtures of macromolecular compounds and finely divided pyrrole polymers 失效高分子化合物和细碎的吡咯聚合物的导电热塑性混合物
公开(公告)号：US4665129A
公开(公告)日：1987-05-12
申请号：US711202
申请日：1985-03-13
IPC分类号： C08L65/00 , C08F2/44 , C08F4/28 , C08L1/00 , C08L7/00 , C08L21/00 , C08L23/00 , C08L27/00 , C08L33/00 , C08L33/02 , C08L45/00 , C08L51/00 , C08L67/00 , C08L77/00 , C08L101/00 , H01B1/20 , H01B3/44 , H01B1/06
摘要： Thermoplastic mixtures based on macromolecular compounds and pyrrole polymers contain finely divided pyrrole polymers which are embedded in a matrix of the macromolecular compound. Such mixtures are prepared by a process in which solutions of the macromolecular compounds and compounds from the class consisting of the pyrroles are polymerized with an oxygen-containing oxidizing agent, and the resulting mixture is separated off from the solvent. Moldings obtained from such mixtures are used as electrical conductors or as electrodes.
摘要翻译： 基于大分子化合物和吡咯聚合物的热塑性混合物含有嵌入大分子化合物的基质中的细碎的吡咯聚合物。 这样的混合物通过使高分子化合物和来自吡咯类的化合物的溶液与含氧氧化剂聚合的方法制备，并将所得混合物与溶剂分离。 从这种混合物获得的模制品用作电导体或电极。
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公开(公告)号：US4634734A
公开(公告)日：1987-01-06
申请号：US580220
申请日：1984-02-15
申请人： Juergen Hambrecht , Burghard Schmitt , Johann Swoboda , Georg Wassmuth , Claus Bernhard , Rudolf Stephan
发明人： Juergen Hambrecht , Burghard Schmitt , Johann Swoboda , Georg Wassmuth , Claus Bernhard , Rudolf Stephan
CPC分类号： C08L25/08 , C08L25/12 , C08L51/003 , C08L51/00
摘要： The invention relates to a thermoplastic molding material of an elastomeric polymer A, a shell B grafted to the polymer A, and a copolymer C as rigid matrix. The amount of polymer A is 1 to 25 percent by weight based on the weight of A+B+C. It has a glass transition temperature, Tg, of less than 0.degree. C. and an average particle size of 200 to 750 nanometers (d.sub.50 value of the integral mass distribution) and is composed of: 50 to 99.9 percent by weight of at least one alkylacrylate with 1 to 8 carbon atoms in the alkyl radical and 0.1 to 5 percent by weight of a polyfunctional monomer which has a crosslinking action. Grafting shell B represents 5 to 40 percent by weight based on A+B+C and is composed of at least one of the monomers of the group of(b.sub.1) vinylaromatic monomers, and(b.sub.2) the ethylenically unsaturated monomers.Grafting shell B is prepared in two stages with 30 to 70 percent by weight of the monomers b.sub.1 being used in the first stage, and 30 to 70 percent by weight of a mixture of monomers b.sub.1 and b.sub.2 in a weight ratio of 90:10 to 60:40 being used in the second stage.Copolymer C is added in an amount of 35 to 94 percent by weight based on A+B+C and consists of a vinylaromatic monomer and an ethylenically unsaturated monomer.The molding material may contain commonly used additives in effective amounts and is used for the preparation of molded parts.
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公开(公告)号：US4430478A
公开(公告)日：1984-02-07
申请号：US320748
申请日：1981-11-12
CPC分类号： C08L25/12 , C08L51/04 , C08L55/02 , C08L2205/02
摘要： A thermoplastic molding material which contains two graft copolymers in a matrix of a copolymer based on styrene and acrylonitrile. The first graft copolymer (B) comprising a hard phase prepared from one or more vinyl-aromatic monomers and an elastomer phase, the elastomer phase particles having a diameter of from 0.5 to 5 .mu.m. The second graft copolymer (C) comprising a hard phase and an elastomer phase, said elastomer phase having a bimodal particle distribution in which the diameter of one category of particles is from 0.05 to 0.18 .mu.m and the second category of particles has a mean diameter of from 0.25 to 0.6 .mu.m.
摘要翻译： 一种热塑性模塑材料，其在基于苯乙烯和丙烯腈的共聚物基质中含有两个接枝共聚物。 第一接枝共聚物（B）包含由一种或多种乙烯基芳族单体和弹性体相制备的硬相，弹性体相颗粒的直径为0.5至5μm。 第二接枝共聚物（C）包含硬相和弹性体相，所述弹性体相具有双峰粒子分布，其中一类粒子的直径为0.05至0.18μm，第二类粒子具有平均直径 为0.25〜0.6μm。
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公开(公告)号：US4788253A
公开(公告)日：1988-11-29
申请号：US627
申请日：1987-04-17
申请人： Juergen Hambrecht , Burghard Schmitt , Johann Swoboda , Georg Wassmuth , Claus Bernhard , Rudolf Stephan
发明人： Juergen Hambrecht , Burghard Schmitt , Johann Swoboda , Georg Wassmuth , Claus Bernhard , Rudolf Stephan
CPC分类号： C08L25/08 , C08L25/12 , C08L51/003 , C08L51/00
摘要： The invention relates to a thermoplastic molding material of an elastomeric polymer A, a shell B grafted to the polymer A, and a copolymer C as rigid matrix. The amount of polymer A is 1 to 25 percent by weight based on the weight of A+B+C. It has a glass transition temperature, Tg, of less than 0.degree. C. and an average particle size of 200 to 750 nanometers (d.sub.50 value of the integral mass distribution) and is composed of: 50 to 99.9 percent by weight of at least one alkylacrylate with 1 to 8 carbon atoms in the alkyl radical and 0.1 to 5 percent by weight of a polyfunctional monomer which has a crosslinking action. Grafting shell B represents 5 to 40 percent by weight based on A+B+C and is composed of at least one of the monomers of the group of(b.sub.1) vinylaromatic monomers, and(b.sub.2) the ethylenically unsaturated monomers.Grafting shell B is prepared in two stages with 30 to 70 percent by weight of the monomers b.sub.1 being used in the first stage, and 30 to 70 percent by weight of a mixture of monomers b.sub.1 and b.sub.2 in a weight ratio of 90:10 to 60:40 being used in the second stage.Copolymer C is added in an amount of 35 to 94 percent by weight based on A+B+C and consists of a vinylaromatic monomer and an ethylenically unsaturated monomer.The molding material may contain commonly used additives in effective amounts and is used for the preparation of molded parts.
摘要翻译： 本发明涉及弹性体聚合物A的热塑性模塑材料，接枝到聚合物A上的壳B和作为刚性基质的共聚物C. 基于A + B + C的重量，聚合物A的量为1〜25重量％。 玻璃化转变温度Tg小于0℃，平均粒度为200〜750纳米（d50整体质量分布值），由以下组成：50〜99.9重量％的至少1个 在烷基中具有1至8个碳原子的丙烯酸烷基酯和具有交联作用的多官能单体0.1至5重量％。 接枝壳B以A + B + C为5〜40重量％，由（b1）乙烯基芳族单体组中的至少一种单体和（b2）烯属不饱和单体构成。 接枝壳B分两步制备，在第一阶段使用的单体b1为30〜70重量％，单体b1和b2的混合物的重量比为90:10〜30重量％，重量比为90:10〜 60:40在第二阶段使用。 共聚物C的添加量为35〜94重量％，基于A + B + C，由乙烯基芳族单体和烯属不饱和单体构成。 成型材料可以含有有效量的常用添加剂，并用于制备模制件。
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公开(公告)号：US4743661A
公开(公告)日：1988-05-10
申请号：US892473
申请日：1986-08-05
IPC分类号： C08G65/48 , C08F283/08
CPC分类号： C08G65/485
摘要： High molecular weight polyphenylene ethers are prepared from monohydric phenols by a conventional polycondensation, by a method in which the resulting polymers are reacted with an epoxide of the general formula (I) ##STR1## where R.sup.1 and R.sup.2 can be identical or different and are each alkyl, cycloalkyl, aryl, aryloxy, alkoxy or carboxyalkyl, each of which may contain a further epoxide group, or C.sub.3 -C.sub.20 -alkyl-substituted amino, or R.sup.1 is hydrogen and R.sup.2 is one of the above groups, or R.sup.1 and R.sup.2 form part of a cycloalkyl ring.
摘要翻译： 通过常规缩聚由一元酚制备高分子量聚苯醚，通过其中所得聚合物与通式（I）的环氧化物（I）反应的方法，其中R 1和R 2可以相同或不同 并且各自为烷基，环烷基，芳基，芳氧基，烷氧基或羧基烷基，其中每一个可以含有另外的环氧基团或C 3 -C 20烷基取代的氨基，或者R 1为氢，R 2为上述基团之一，或R 1 并且R 2形成环烷基环的一部分。
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公开(公告)号：US4205144A
公开(公告)日：1980-05-27
申请号：US952801
申请日：1978-10-19
IPC分类号： C08F265/06 , C08F291/02 , C08L51/04
CPC分类号： C08F291/02 , C08F265/06
摘要： Graft copolymers comprising a crosslinked, saturated, elastomeric grafting base and a hard shell are prepared by incorporating thermolabile comonomers, as copolymerized units, into the grafting base during the preparation of the latter, in particular at a conversion of from 50 to 90%. During the subsequent grafting of the shell, the conditions used are such that the thermolabile comonomers incorporated as copolymerized units into the grafting base decompose into free radicals. This gives graft copolymers having improved mechanical properties, which copolymers also prove advantageous for the preparation of mixtures with other thermoplastics compatible with the graft copolymers.
摘要翻译： 包含交联的，饱和的，弹性体接枝的基底和硬壳的接枝共聚物是通过将不溶性共聚单体作为共聚单元掺入到接枝基中制备的，特别是在50至90％的转化率下。 在随后的壳接枝过程中，使用的条件是使作为共聚单元掺入接枝基质中的不耐热共聚单体分解成自由基。 这提供了具有改善的机械性能的接枝共聚物，该共聚物也证明有利于制备与其它与接枝共聚物相容的热塑性塑料的混合物。
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