-
1.发明授权
公开(公告)号：US5162423A
公开(公告)日：1992-11-10
申请号：US613014
申请日：1990-11-15
CPC分类号： C08L25/12 , C08L69/00 , C08L51/003 , C08L51/04
摘要： Thermoplastic material comprising:A) 20-80% polycarbonateB) 10-60% styrenic/nitrile copolymerC) 5-30% ABS or MBS with a median particle size of 0.2-0.5 micronsD) 20-60% ASA with a median particle size of 0.4-0.7 microns.
摘要翻译： 热塑性材料包括：A）20-80％聚碳酸酯B）10-60％苯乙烯/腈共聚物C）5-30％ABS或MBS，中值粒径为0.2-0.5微米D）20-60％ASA，中位数 粒度为0.4-0.7微米。
-
2.发明授权
公开(公告)号：US5434218A
公开(公告)日：1995-07-18
申请号：US225928
申请日：1994-04-11
CPC分类号： C08L25/12 , C08L55/02 , C08L2205/02
摘要： Rubber-modified, impact-resistant molding materials contain, based on the sum of A, B1 and B2,A: from 70 to 98% by weight of a polymer matrix A formed by free radical polymerization of a mixture of from 60 to 90% by weight of styrene and from 10 to 40% by weight of acrylonitrile,B1: from 1 to 29% by weight of a particulate, first graft copolymer B1 which is distributed in the matrix A and consists of a grafting base of polybutadiene and grafts of a copolymer of styrene and acrylonitrile having a mean particle size of about 100-500 nm, andB2: from 1 to 29% by weight of a particulate, second graft copolymer B2 distributed in the matrix A and consisting of a grafting base of polybutadiene and grafts of a copolymer of styrene and acrylonitrile having a mean particle size of from 600 to 10,000 nm, as obtained if both graft copolymers have been prepared by solution and/or mass polymerization and have been incorporated in the polymer matrix in a conventional manner.
摘要翻译： 橡胶改性耐冲击成型材料基于A，B1和B2的总和含有A：70至98重量％的通过60至90重量％的混合物的自由基聚合形成的聚合物基质A， 的苯乙烯和10至40重量％的丙烯腈，B1：1至29重量％的分散在基体A中的颗粒状第一接枝共聚物B1，其由聚丁二烯的接枝碱和 平均粒度为约100-500nm的苯乙烯和丙烯腈的共聚物，以及B2：1至29重量％的分散在基体A中的颗粒状第二接枝共聚物B2，其由聚丁二烯的接枝碱和 如果两种接枝共聚物均通过溶液和/或大量聚合制备并且以常规方式掺入到聚合物基质中，则平均粒径为600至10,000nm的苯乙烯和丙烯腈共聚物的接枝。
-
公开(公告)号：US5278253A
公开(公告)日：1994-01-11
申请号：US764866
申请日：1991-09-24
IPC分类号： C08F279/02 , B01J19/18 , C08F279/00 , C08F279/04
CPC分类号： C08F279/04 , B01J19/1862 , B01J19/1887 , B01J2219/00078
摘要： A process for the continuous preparation of ABS polymers by free-radical-initiated polymerization of, in particular, styrene and acrylonitrile in the presence of polybutadiene, in the presence or absence of a solvent, in a reactor cascade comprising at least 3 stirred reactors operating essentially without back-mixing, at least some of which contain internal cooling tubes for dissipating the heat of polymerization, at from 50 to 180.degree. C., phase inversion taking place in one of the reactors which contains means for generating a high shear force, and an apparatus for carrying out the process comprising an essentially cylindrical/tubular vessel jacket and a cylindrical internal element connected to a stirrer shaft by rotational force and having an external diameter which is slightly less than the internal diameter of the vessel jacket.
摘要翻译： 在存在或不存在溶剂的情况下，在存在或不存在溶剂的情况下，通过自由基引发聚合特别是苯乙烯和丙烯腈，在包含至少3个搅拌反应器的反应器级联中连续制备ABS聚合物的方法 基本上没有反混合，其中至少一些包含用于消散聚合热的内部冷却管，温度为50至180℃，在包含用于产生高剪切力的装置的反应器之一中发生相转化， 以及用于执行该方法的装置，其包括基本上圆柱形/管状容器护套和通过旋转力连接到搅拌器轴的圆柱形内部元件，并且具有略小于容器护套内径的外径。
-
公开(公告)号：US4620029A
公开(公告)日：1986-10-28
申请号：US668193
申请日：1984-11-05
CPC分类号： C07C69/36
摘要： A method for making a diester of oxalic acid which comprises oxidatively carbonylating an alcohol having 1 to 10 carbon atoms with carbon monoxide and with oxygen at a pressure from 1 to 700 bars and at a temperature from 20.degree. C. to 250.degree. C. in a reaction phase comprising said alcohol having dissolved therein a catalyst system consisting essentially of, as cations, ions of palladium(II) and copper ions in a molar ratio of at least 0.2 and, as anions, halide ions and carboxylate ions having 1 to 6 carbon atoms, the amounts of all ions in said catalyst system being such that the solution of the cations and anions in the alcohol has a formal pH value, as determined electrometrically, between 8 and 5.
摘要翻译： 一种制备草酸二酯的方法，其包括在1至700巴的压力和20℃至250℃的温度下，用一氧化碳和氧气将具有1-10个碳原子的醇氧化羰基化， 反应相包含所述醇，其中溶解有催化剂体系，催化剂体系基本上由阳离子，摩尔比至少为0.2的钯（II）和铜离子的离子组成，并且作为阴离子，卤离子和具有1至6个碳原子的羧酸根离子 碳原子，所述催化剂体系中的所有离子的量使得阳离子和阴离子在醇中的溶液具有在电化学上确定的8和5之间的形式pH值。
-
5.发明授权
公开(公告)号：US4576971A
公开(公告)日：1986-03-18
申请号：US683042
申请日：1984-12-18
IPC分类号： C08F2/44 , C08J9/04 , C08K5/5333 , C08J9/06
CPC分类号： C08J9/04 , C08K5/5333 , C08J2333/26
摘要： Flame retarded polyacrylimide or polymethacrylimide resin foams containing at least 70 percent by weight of cyclic acrylimide or methacrylimide units and incorporating at least 1 percent by weight of phosphorus, present at least partially in the form of a phosphorus compound, XCH.sub.2 --PO(OR).sub.2, wherein R is methyl, ethyl, or chloromethyl, and X is hydrogen, halogen, hydroxyl, or RO--CO--.
摘要翻译： 含有至少70重量％的环状丙烯酰亚胺或甲基丙烯酰亚胺单元的阻燃聚丙烯酰亚胺或聚甲基丙烯酰胺树脂泡沫，并且至少部分以磷化合物XCH 2 PO（OR）2的形式并入至少1重量％的磷 其中R是甲基，乙基或氯甲基，X是氢，卤素，羟基或RO-CO-。
-
6.发明授权Thermoplastic molding materials based on toughened polyamide and functionalized polyphenylene ether 失效基于增韧的聚酰胺和功能性聚苯乙烯醚的热塑性模塑材料
公开(公告)号：US5153266A
公开(公告)日：1992-10-06
申请号：US482817
申请日：1990-02-21
CPC分类号： C08L71/126 , C08L77/00 , C08L65/00 , C08L67/00 , Y10S525/905
摘要： Thermoplastic molding materials which are free of cyanuric acid or cyanuric acid derivatives contain as essential components,(A) from 5 to 95% by weight of a toughened polyamide ofa1) from 70 to 98% by weight, based on (A), of a polyamide anda2) from 2 to 30% by weight, based on (A), of an emulsion polymer whose particles do not have a hard outer shell, and(B) from 5 to 95% by weight of a functionalized polyphenylene ether.
摘要翻译： 不含氰尿酸或氰尿酸衍生物的热塑性成型材料含有（A）5〜95重量％的增韧聚酰胺a1），70〜98重量％，以（A）为基准， 聚酰胺和a2）基于（A）的2至30重量％的颗粒不具有硬外壳的乳液聚合物，和（B）5至95重量％的官能化聚苯醚。
-
7.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
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％
-
公开(公告)号：US4948832A
公开(公告)日：1990-08-14
申请号：US281755
申请日：1988-12-09
申请人： Bertram Ostermayer , Ehrenfried Baumgartner , Rainer Bueschl , Hermann Brandt , Klaus Boehlke , Erhard Seiler , Graham E. McKee
发明人： Bertram Ostermayer , Ehrenfried Baumgartner , Rainer Bueschl , Hermann Brandt , Klaus Boehlke , Erhard Seiler , Graham E. McKee
CPC分类号： C08L51/04 , C08L71/123 , C08L77/00
摘要： Reinforced thermoplastic molding materials containing, as essential components,(A) from 40 to 94 parts by weight of a polymer component of(a.sub.1) from 10 to 90% by weight of polyphenylene ether and(a.sub.2) from 10 to 90% by weight, based in each case on A, of a styrene polymer toughened with an acrylate rubber or with an unhydrogenated or hydrogenated polymer of a conjugated diene,(B) from 1 to 20 parts by weight of a copolymer of(b.sub.1) from 70 to 99.9% by weight of a monomer from the group consisting of styrene, .alpha.-methylstyrene and styrene alkylated in the nucleus or a mixture of these monomers,(b.sub.2) from 0.1 to 30% by weight of one or more compounds from the group consisting of tert-butyl acrylate and tert-butyl methacrylate, or one or more compounds from the group of compounds of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl and R.sup.2, R.sup.3 and R.sup.4 are each an alkyl or alkoxy group of not more than 4 carbon atoms, or of the general formula II ##STR2## where n is an integer from 1 to 4 and R.sup.5, R.sup.6 and R.sup.7 are each one of the radicals stated for R.sup.2 or are each --O(CH.sub.2 --CH.sub.2 --O).sub.m R.sup.8, where R.sup.8 is C.sub.1 -C.sub.4 -alkyl and m is 1, 2, 3 or 4, and(b.sub.3) from 0 to 10% by weight, based on the copolymer, of a further ethylenically unsaturated monomer which is copolymerizable with b.sub.1 and b.sub.2, and(C) from 5 to 50 parts by weight of a reinforcing agent, the number of parts by weight being based on 100 parts by weight of the sum of A, B and C,are prepared and used for the production of moldings.
摘要翻译： 作为必要成分的增强热塑性成型材料含有（A）40〜94重量份聚合物成分（a1），10〜90重量％聚苯醚和（a2）10〜90重量％ 基于A的每种情况，使用丙烯酸酯橡胶或共轭二烯的未氢化或氢化的聚合物增韧的苯乙烯聚合物，（B）1至20重量份的（b1）70至99.9重量％的共聚物， 重量的来自于在核中烷基化的苯乙烯，α-甲基苯乙烯和苯乙烯的单体或这些单体的混合物，（b2）0.1-30％（重量）一种或多种下列化合物：叔 - 丙烯酸丁酯和甲基丙烯酸叔丁酯，或一种或多种通式Ⅰ化合物的化合物，其中R1是氢或甲基，R2，R3和R4分别是烷基或烷氧基不大于 4个碳原子，或通式II其中n是一个整数 1至4的取代基和R 5，R 6和R 7各自为R 2所示的基团之一或分别为-O（CH 2 -CH 2 -O）m R 8，其中R 8为C 1 -C 4 - 烷基且m为1,2,3 或（4）和（b3）0〜10重量％，基于共聚物，可与b1和b2共聚的另外的烯属不饱和单体和（C）5〜50重量份的增强剂， 制备基于100重量份的A，B和C之和的重量份数，并用于制造模制品。
-
公开(公告)号：US5387650A
公开(公告)日：1995-02-07
申请号：US179822
申请日：1994-01-11
IPC分类号： C08F279/02 , C08F2/02 , C08F2/04 , C08F2/06 , C08F4/32 , C08F279/00 , C08F279/04 , C08F2/38
CPC分类号： C08F279/04
摘要： A process for the continuous preparation of high-impact polystyrene-acrylonitrile (ABS) by free radical-initiated polymerization of a mixture of from 60 to 90% by weight of at least one vinylaromatic monomer and from 10 to 40% by weight of least one further ethylenically unsaturated monomer, in the presence of from 5 to 30% by weight, based on the sum of the monomers, of polybutadiene having a solution viscosity (5% strength by weight in styrene at 25.degree. C.) from 25 to 95 mPa.s and in the presence or absence of a solvent, in at least three consecutive reactors operated essentially without back-mixing, at from 50.degree. to 170.degree. C., phase inversion taking place in one of the reactors, involves carrying out the polymerization as far as phase inversion at 90.degree. C. or below and initiating the polymerization by free radicals from the decomposition of tert-butyl peresters whose half life period at 90.degree. C. is not more than 20 minutes, the polybutadiene content, based on the total reaction mixture, being at least 10% by weight and at most 25% of the total amount of chain-transfer agent (regulator) required being added up to the time of phase inversion and the remainder being added thereafter.
摘要翻译： 通过60至90重量％的至少一种乙烯基芳族单体和10至40重量％的至少一种乙烯基芳族单体的混合物的自由基引发聚合来连续制备高抗冲聚苯乙烯 - 丙烯腈（ABS）的方法 在5至30重量％的存在下，基于单体的总和，具有25至95mPa的溶液粘度（苯乙烯在25℃下为5重量％重量）的聚丁二烯存在下进一步的烯键式不饱和单体 并且在存在或不存在溶剂的情况下，在至少三个连续的反应器中基本上不进行反混操作，在50℃至170℃下，在一个反应器中进行相转化，包括进行聚合 只要在90℃以下的相转化，并且通过自由基从90℃的半衰期不超过20分钟的叔丁基过氧化物的分解开始聚合，聚丁二烯含量基于 总反应 混合物的至少10重量％和至多25重量％的链转移剂（调节剂）的总量相加，直至相转化时间为止，然后加入余量。
-
公开(公告)号：US5250611A
公开(公告)日：1993-10-05
申请号：US857135
申请日：1992-03-25
IPC分类号： C08F2/06 , C08F279/04
CPC分类号： C08F279/04
摘要： Impact-resistant polystyrene acrylonitrile (ABS) is prepared by free radical polymernation of monomeric styrene and acrylonitrile or equivalents thereof in the presence of preformed, dissolved polbutadiene as a grafting base, the solvents used being in particular ethylbenzene and, at least from time to time, the monomers, and phase inversion taking place when the process has progressed to a certain point, in two or more reaction zones, by a continuous process in which the first reaction zone is present at least in duplicate and is in the form of a stirred kettle in each case, so that one stirred kettle is operated batchwise and alternately with the other in such a way that the reaction mixture is polymerized until phase inversion is complete or the initiator has been consumed, and the particular kettle content is then fed continuously to a second reaction zone in the form of a tube reactor.
摘要翻译： 耐冲击聚苯乙烯丙烯腈（ABS）通过在预成型的溶解的聚丁二烯作为接枝碱的存在下，通过单体苯乙烯和丙烯腈或其等同物的自由基聚合制备，所用的溶剂特别是乙苯，并且至少不时地 ，单体和相转化发生在当两个或多个反应区中的过程已经进行到某一点时，通过连续方法发生，其中第一反应区至少以一式两份存在并且呈搅拌形式 在每种情况下，使一个搅拌釜分批操作，另一个搅拌釜以这样一种方式进行操作，使得反应混合物聚合直至相转化完成或引发剂已被消耗，然后将特定的釜内容物连续供给至 呈管式反应器形式的第二反应区。
-
-
-
-
-
-
-
-
-
搜索结果
12 条记录 (耗时 0.019 秒)
