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1.发明授权Mixture of substances containing compounds with vinyl groups and stabilizers 有权含有化合物的物质与乙烯基和稳定剂的混合物公开(公告)号：US06475348B1
公开(公告)日：2002-11-05
申请号：US09446192
申请日：1999-12-17
IPC分类号： B01D334
摘要： A mixture contains one or more vinyl-containing compounds as component (A) and, as a further component, a stabilizer (B) which contains one or more readily volatile nitroxyl compounds as component (b1), one or more sparingly volatile nitroxyl compounds as component (b2), if required one or more aromatic nitro compounds as component (b3) and, if required, one or more iron compounds as component (b4). Stabilizers (B) contain the components (b1) and (b2), (b1) and (b2) and (b3), (b1) and (b2) and (b4), and (b1), (b2), (b3) and (b4), and the premature polymerization of vinyl-containing compounds during their purification or distillation is inhibited by a process in which a stabilizer (B) is added or the components of stabilizer (B) are added as individual substances or in at least two groups of the components.
摘要翻译： 混合物含有一种或多种含乙烯基的化合物作为组分（A），并且作为另外的组分，含有一种或多种易挥发的硝酰基化合物作为组分（b1）的稳定剂（B），一种或多种挥发性的硝酰基化合物作为 组分（b2）（如果需要）一种或多种芳族硝基化合物作为组分（b3），如果需要，可以使用一种或多种作为组分（b4）的铁化合物。稳定剂（B）含有组分（b1）和（b2），（ b1）和（b2）和（b3），（b1）和（b2）和（b4）和（b1），（b2），（b3）和（b4） 通过添加稳定剂（B）或稳定剂（B）的成分作为单独的物质或至少两组成分的方法来抑制其纯化或蒸馏。
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2.发明授权Substance mixtures containing stabilizers and compounds containing vinyl groups 失效含有稳定剂的物质混合物和含有乙烯基的化合物公开(公告)号：US06200460B1
公开(公告)日：2001-03-13
申请号：US09147394
申请日：1998-12-16
申请人： Heinz Friedrich Sutoris , Hermann Uhr , Konrad Mitulla , Jürgen Schröder , Roland Merger , Knut Kessel
发明人： Heinz Friedrich Sutoris , Hermann Uhr , Konrad Mitulla , Jürgen Schröder , Roland Merger , Knut Kessel
IPC分类号： C07C720
摘要： Substance mixtures comprising (A) vinyl-containing compounds, (B) an active amount of a mixture inhibiting the premature polymerization of the vinyl-containing compounds, comprising (i) at least one N-oxyl compound of a secondary amine which carries no hydrogen atoms on the &agr;-C atoms, and (ii) at least one iron compound, (C) if appropriate nitro compounds, and (D) if appropriate costabilizers, a process for inhibiting the premature polymerization of vinyl-containing compounds (A) and the use of mixture (B), if appropriate as a mixture with nitro compounds (C) and/or costabilizers (D), for inhibiting the premature polymerization of free radical polymerizable compounds and for stabilizing organic materials against the damaging action of free radicals.
摘要翻译： 包含（A）含乙烯基化合物的物质混合物，（B）抑制含乙烯基化合物过早聚合的活性量的混合物，其包含（i）至少一种不携带氢的仲胺的N-氧基化合物 原子在α-C原子上，和（ii）至少一种铁化合物，（C）如果合适的硝基化合物，和（D）如果适当的稳定剂，一种抑制含乙烯基化合物（A）和 如果合适，使用混合物（B）作为与硝基化合物（C）和/或稳定剂（D）的混合物，用于抑制自由基可聚合化合物的过早聚合和稳定有机材料以抵抗自由基的破坏作用。
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3.发明授权Method for preventing undesired polymerization in a mixture of substances containing ethylenically unsaturated compounds 失效用于防止含有烯键式不饱和化合物的物质混合物中不期望的聚合的方法公开(公告)号：US06835288B1
公开(公告)日：2004-12-28
申请号：US09926743
申请日：2001-12-11
IPC分类号： C07C705
CPC分类号： C07B63/04 , C07C7/20 , Y10S203/19 , C07C15/46
摘要： A process for preventing undesired polymerization is conducted by maintaining an effective concentration of a stabilizer which comprises N-oxyl radicals in a mixture containing ethylenically unsaturated compounds, wherein (i) an electronic signal which correlates with the concentration of the N-oxyl radicals in the mixture is obtained periodically or continuously, (ii) the electronic signal is compared with a reference value, and (iii) addition of a stabilizer to the mixture is controlled according to the comparison (ii). The signal is preferably obtained by ESR measurement. The process permits efficient use of the stabilizer.
摘要翻译： 通过在含有烯键式不饱和化合物的混合物中维持包含N-氧基的稳定剂的有效浓度来进行防止不期望的聚合的方法，其中（i）电子信号与N-氧基的浓度相关， 定期或连续地获得混合物，（ii）将电子信号与参考值进行比较，（iii）根据比较（ii）控制向混合物中加入稳定剂。优选通过ESR测量获得该信号。 该方法允许有效地使用稳定剂。
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4.发明授权Thermoplastic molding compositions containing polycarbonate and a graft copolymer of resin-forming monomers on a rubber 失效含有聚碳酸酯和树脂形成单体在橡胶上的接枝共聚物的热塑性成型组合物
公开(公告)号：US4603169A
公开(公告)日：1986-07-29
申请号：US722363
申请日：1985-04-12
申请人： Konrad Mitulla , Juergen Hambrecht , Adolf Echte , Johann Swoboda , Peter Siebel
发明人： Konrad Mitulla , Juergen Hambrecht , Adolf Echte , Johann Swoboda , Peter Siebel
CPC分类号： C08L51/04 , C08L69/00 , Y10S525/902
摘要： A thermoplastic molding material consists of a polycarbonate A and a graft copolymer B, the latter consisting of an elastomer (rubber) (b.sub.1) and a shell (b.sub.2) grafted onto the elastomer.The elastomer (b.sub.1) contains, as copolymerized units, from 35 to 100% by weight of a diene from the group consisting of the conjugated dienes of 4 to 5 carbon atoms, and can contain, as copolymerized units, from 0 to 65% by weight of a monomer from the group consisting of the alkyl acrylates or alkyl methacrylates, where alkyl is of 1 to 8 carbon atoms.The shell (b.sub.2) is obtained in a conventional manner by successive polymerization of the monomers constituting the shell, in two process steps, in the presence of the elastomer (b.sub.1); in a first process step, from 10 to 90% by weight of a mixture of a vinylaromatic hydrocarbon and one or more ethylenically unsaturated monomers which differ from the said hydrocarbon, in a weight ratio of from 90:10 to 60:40, are first incorporated as copolymerized units, followed by the polymerization of from 90 to 10% by weight of a monomer from the group consisting of the alkyl acrylates or of the alkyl methacrylates, where alkyl is of 1 to 8 carbon atoms.The molding material is used for the production of shaped articles.
摘要翻译： 热塑性成型材料由聚碳酸酯A和接枝共聚物B组成，后者由接枝到弹性体上的弹性体（橡胶）（b1）和壳（b2）组成。 作为共聚单元，弹性体（b1）含有35〜100重量％的由4〜5个碳原子的共轭二烯组成的组的二烯，可以以共聚单位含有0〜65重量％ 由丙烯酸烷基酯或甲基丙烯酸烷基酯组成的组中的单体重量，其中烷基具有1至8个碳原子。 壳（b2）以常规方式通过在两个工艺步骤中在弹性体（b1）的存在下连续聚合构成壳的单体获得; 在第一工艺步骤中，以90:10至60:40的重量比为10至90重量％的乙烯基芳烃和一个或多个与所述烃不同的烯键式不饱和单体的混合物是第一 作为共聚单元引入，然后聚合90至10重量％的由丙烯酸烷基酯或甲基丙烯酸烷基酯组成的组的单体，其中烷基具有1至8个碳原子。 成型材料用于成型制品的生产。
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公开(公告)号：US20090062448A1
公开(公告)日：2009-03-05
申请号：US12295559
申请日：2007-04-03
摘要： A process is proposed for coagulation of an aqueous polymer dispersion, which comprises, during or after the coagulation, converting the dissolved coagulation salt into an insoluble form.
摘要翻译： 提出了一种用于凝结聚合物水分散体的方法，其包括在凝固期间或之后，将溶解的凝结盐转化为不溶形式。
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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：US20050090703A1
公开(公告)日：2005-04-28
申请号：US10990954
申请日：2004-11-18
申请人： Konrad Mitulla , Heinz Sutoris
发明人： Konrad Mitulla , Heinz Sutoris
摘要： Styrene is recovered continuously from a styrene-containing mixture by distillation of the mixture in a cascade of n distillation columns, where (i) a feed stream comprising a stabilizer system is fed into the first column and/or a stabilizer system is introduced into at least one distillation column upstream of the nth distillation column, where the stabiliser system comprises N-oxyl radicals; (ii) a high boiler fraction having a boiling point higher than that of styrene and comprising the stabilizer system accumulates in the bottom of the nth distillation column; (iii) a substream of the high boiler fraction is recirculated and introduced into at least one distillation column upstream of the nth distillation column; (iv) the remainder of the high boiler fraction is discharged from the process.
摘要翻译： 苯乙烯通过在n级蒸馏塔级联中蒸馏混合物从含苯乙烯的混合物中连续回收，其中（i）将包含稳定剂体系的进料流进料到第一塔和/或稳定剂体系中 在第n个蒸馏塔上游的至少一个蒸馏塔，其中稳定剂体系包含N-氧基; （ii）沸点高于苯乙烯并且包含稳定剂体系的高沸点馏分积聚在第n个蒸馏塔的底部; （iii）高沸点馏分的分流再循环并引入第n蒸馏塔上游的至少一个蒸馏塔; （iv）高锅炉部分的剩余部分从该过程中排出。
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公开(公告)号：US5922244A
公开(公告)日：1999-07-13
申请号：US913613
申请日：1997-09-22
IPC分类号： C07D211/58 , C07B63/04 , C07D211/94 , C07F9/59 , C09K15/22 , C09K15/30 , C09K15/20
CPC分类号： C09K15/30 , C07B63/04 , C07D211/94 , C07F9/598
摘要： 4-Acylaminopiperidine N-oxides IaA.sup.1 B.sup.1 (Ia)where A.sup.1 is hydrogen or an organic radical and B.sup.1 is a radical IIa ##STR1## where R.sup.1 -R.sup.4 are each C.sub.1 -C.sub.4 -alkyl and R.sup.1 and R.sup.2, on the one hand, and R.sup.3 and R.sup.4, on the other hand, may furthermore be bonded to form a 5-membered or 6-membered ring,R.sup.5 is H or C.sub.1 14 C.sub.4 -alkyl andR.sup.6 is H or C.sub.1 -C.sub.18 -alkyl,are used for stabilizing organic materials against the harmful effect of free radicals, particularly in the distillation of monomers which undergo free radical polymerization, especially styrene.
摘要翻译： PCT No.PCT / EP96 / 01122 Sec。 371日期：1997年9月22日 102（e）1997年9月22日PCT 1996年3月15日PCT公布。 公开号WO96 / 29311 PCT 日期1964年9月26日 - 酰氨基哌啶N-氧化物IaA1B1（Ia）其中A1是氢或有机基团，B1是其中R1-R4各自为C1-C4-烷基的基团IIa，另一方面，R1和R2， 另一方面，R3和R4还可以键合形成5元或6元环，R5是H或C114 C4-烷基，R6是H或C1-C18-烷基，用于稳定有机物 抵抗自由基的有害影响的材料，特别是在进行自由基聚合的单体的蒸馏中，特别是苯乙烯。
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9.发明授权
公开(公告)号：US4965318A
公开(公告)日：1990-10-23
申请号：US218977
申请日：1988-07-14
摘要： Thermoplastic molding materials contain(A) from 5 to 95% by weight of a nylon and(B) from 5 to 95% by weight of a copolymer composed of(B.sub.1) from 50 to 99.9% by weight of a styrene of the general formula I ##STR1## where R.sup.1 is alkyl or 1 to 4 carbon atoms or hydrogen, R.sup.2 is alkyl of 1 to 6 carbon atoms or halogen and m is 0, 1, 2 or 3,(B.sub.2) from 0.1 to 30% by weight of a monomer containing epoxide groups (II) ##STR2## or of a monomer containing lactam groups (III) ##STR3## or of a monomer containing halobenzyl groups (IV) ##STR4## where R.sup.3 is a divalent, branched or straight-chain alkyl group of 2 to 15 carbon atoms, R.sup.4 is alkyl of not more than 6 carbon atoms, X is halogen, n is 1, 2 or 3 and r is 0, 1, 2 or 3, and(B.sub.3) from 0 to 48% by weight of further comonomers.
摘要翻译： 热塑性成型材料含有（A）5至95重量％的尼龙和（B）5至95重量％的由（B1）50-99.9重量％的通式 （I）其中R1是烷基或1-4个碳原子或氢，R2是1至6个碳原子的烷基或卤素，m是0,1,2或3，（B2）0.1-30％ （II）或含有内酰胺基团（III）的单体（III）或含有卤代苄基（IV）的单体的单体（Ⅳ）其中 R3是2至15个碳原子的二价，支链或直链烷基，R4是不大于6个碳原子的烷基，X是卤素，n是1,2或3，r是0,1,2或 3和（B3）0至48重量％的另外的共聚单体。
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公开(公告)号：US08470911B2
公开(公告)日：2013-06-25
申请号：US12295559
申请日：2007-04-03
摘要： A process is proposed for coagulation of an aqueous polymer dispersion, which comprises, during or after the coagulation, converting the dissolved coagulation salt into an insoluble form.
摘要翻译： 提出了一种用于凝结聚合物水分散体的方法，其包括在凝固期间或之后，将溶解的凝结盐转化为不溶形式。
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