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公开(公告)号：US5342905A
公开(公告)日：1994-08-30
申请号：US10736
申请日：1993-01-29
CPC分类号： C08G75/20 , C08G63/6886 , C08G65/48
摘要： A two step process for the preparation of an ester group-containing polyether sulfone is disclosed. In the first step a dihalogenodiphenyl sulfone is reacted with excess amount of an aromatic dihydroxy compound and in a second step the reaction product is reacted with a dicarboxylic acid derivative. The excess amount of the aromatic dihydroxy compound is that amount which is sufficient to react with said derivative to form the corresponding ester. The process of the invention is characterized by its economics and good yield and by the high purity of the product. The thus produced polyether sulfone is useful as a thermoplastic resin and as a reactant in the melt blending process for the preparation of block copolymers.
摘要翻译： 公开了制备含酯基的聚醚砜的两步法。 在第一步中，二卤代二苯砜与过量的芳族二羟基化合物反应，第二步反应产物与二羧酸衍生物反应。 过量的芳族二羟基化合物是足以与所述衍生物反应形成相应酯的量。 本发明的方法的特征在于其经济性和良好的产率以及高纯度的产品。 由此制备的聚醚砜可用作热塑性树脂和用作制备嵌段共聚物的熔融共混方法中的反应物。
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公开(公告)号：US5414054A
公开(公告)日：1995-05-09
申请号：US252295
申请日：1994-06-01
申请人： Erik H. Jonsson , Rick L. Archey , Robert J. Kumpf , Aaron D. Meltzer , Harald Pielartzik , Raymond A. Yourd
发明人： Erik H. Jonsson , Rick L. Archey , Robert J. Kumpf , Aaron D. Meltzer , Harald Pielartzik , Raymond A. Yourd
IPC分类号： C08G63/695 , C08G64/00 , C08G64/18 , C08G64/42 , C08G77/448 , C08G77/48 , C08G81/00 , C08G63/64
CPC分类号： C08G77/448 , C08G64/186
摘要： A thermoplastic copolycarbonate resin having improved low temperature impact strength and a process for the preparation of the resin are disclosed. Accordingly the structure of the copolycarbonate contains(i) units of the formula ##STR1## wherein D is a divalent residue of a dihydroxy compound, and (ii) units of the formula ##STR2## wherein m is 1-90, n is 5-300, R is an alkyl or a phenyl radical p is 2-12 and q is 2-20. The preparation of the copolycarbonate entails reactive blending of polycarbonate with a suitable lactone siloxane copolymer in the presence of a transesterification catalyst.
摘要翻译： 公开了具有改进的低温冲击强度的热塑性共聚碳酸酯树脂和制备树脂的方法。 因此，共聚碳酸酯的结构包含（i）式“IMAGE”的单元，其中D是二羟基化合物的二价残基，和（ii）下式的单元，其中m是1-90，n是5- 300，R是烷基或苯基，p是2-12，q是2-20。 在酯交换催化剂存在下，共聚碳酸酯的制备需要聚碳酸酯与合适的内酯硅氧烷共聚物的反应性共混。
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公开(公告)号：US5399658A
公开(公告)日：1995-03-21
申请号：US146284
申请日：1993-10-29
CPC分类号： C08G64/42 , C08G64/081 , C08L69/00
摘要： A gamma radiation-resistant polycarbonate-disulfide resin is disclosed. The incorporation of disulfide linkages in the structure of polycarbonate was found to enhance the resistance of the resin to the discoloration caused by exposure to gamma radiation. Accordingly, processes for the incorporation of disulfide linkages in the molecular backbone, as end-groups or as side chains are disclosed. The polycarbonate-disulfide resin may be used as a molding resin in the context of thermoplastic molding compositions as well as a stabilizing additive in polycarbonate resin.
摘要翻译： 公开了一种耐伽马辐射的聚碳酸酯 - 二硫化物树脂。 发现在聚碳酸酯结构中引入二硫键增加了树脂对由于暴露于γ辐射引起的变色的抵抗力。 因此，公开了在分子主链中作为端基或作为侧链引入二硫键的方法。 聚碳酸酯 - 二硫化物树脂可以在热塑性模塑组合物和聚碳酸酯树脂中的稳定添加剂的情况下用作模制树脂。
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公开(公告)号：US5328977A
公开(公告)日：1994-07-12
申请号：US151227
申请日：1993-11-12
摘要： An improvement in the process of preparing nylon-1 by the polymerization of isocyanates is disclosed. Accordingly, the improvement comprising using in the process a catalyst conforming to(X).sub.n Me(OR).sub.mwhere Me is titanium or zirconium, X is chlorine or bromine atom, R is an aliphatic radical having 1 to 20 carbon atoms and where the sum of m=n is 4 with the proviso that where Me is titanium n is 1 or 2, and where Me is zirconium n is 1-4.
摘要翻译： 公开了通过异氰酸酯聚合制备尼龙-1的方法的改进。 因此，改进包括在该方法中使用符合（X）nMe（OR）m的催化剂，其中Me是钛或锆，X是氯或溴原子，R是具有1至20个碳原子的脂族基团，其中总和 m = n为4，条件是Me为钛，n为1或2，Me为锆，n为1-4。
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公开(公告)号：US5464893A
公开(公告)日：1995-11-07
申请号：US216576
申请日：1994-03-22
申请人： Rick L. Archey , Charles E. Lundy , Aaron D. Meltzer , Harald Pielartzik , Gerhard Fennhoff , Ralf Hufen , Klaus Kircher , Rudiger Schubart , Richard Weider
发明人： Rick L. Archey , Charles E. Lundy , Aaron D. Meltzer , Harald Pielartzik , Gerhard Fennhoff , Ralf Hufen , Klaus Kircher , Rudiger Schubart , Richard Weider
CPC分类号： C08K5/37
摘要： A thermoplastic molding composition stabilized against .gamma.-rays and its application for manufacture of medical equipment is disclosed. The composition contains an aromatic polycarbonate and(i) dialkyl and/or dicycloalkyl monosulfides or polysulfides in an amount of 0.001 to 5 weight %, and optionally(ii) aliphatic or cycloaliphatic monoalcohols or polyalcohols or their derivatives in an amount of 0.001 to 2 weight %said percent being relative to 100 weight % of aromatic polycarbonate.
摘要翻译： 公开了一种耐γ射线稳定的热塑性模塑组合物及其制造医疗设备的应用。 组合物含有芳族聚碳酸酯和（i）0.001至5重量％的二烷基和/或二环烷基单硫化物或多硫化物，和任选地（ii）0.001至2重量％的脂族或脂环族一元醇或多元醇或其衍生物 ％表示相对于100重量％的芳族聚碳酸酯。
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公开(公告)号：US5364913A
公开(公告)日：1994-11-15
申请号：US98531
申请日：1993-07-28
IPC分类号： C08G18/02 , C08G18/60 , C08G18/70 , C08L33/24 , C09D177/00 , C08F283/04 , C08L67/00
CPC分类号： C08G18/02 , C08G18/701
摘要： A thermosetting composition is prepared by reacting a highly crosslinked nylon-1 which contains structural units corresponding to ##STR1## where R is an organic radical with a isocyanate-reactive compound. In carrying out the reaction the molar ratio of carbonyl groups to NCO-reactive groups is about 0.5:1 to 20:1. Desirable properties characterize the reaction product thus prepared.
摘要翻译： 通过使含有对应于其中R为有机基团的结构单元的高度交联的尼龙-1与异氰酸酯反应性化合物反应来制备热固性组合物。 在进行反应时，羰基与NCO反应性基团的摩尔比为约0.5:1至20:1。 所需的性能表征如此制备的反应产物。
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公开(公告)号：US5453457A
公开(公告)日：1995-09-26
申请号：US151224
申请日：1993-11-12
申请人： Aaron D. Meltzer , Harald Pielartzik , Rick Archey
发明人： Aaron D. Meltzer , Harald Pielartzik , Rick Archey
CPC分类号： C08K5/372
摘要： Esters and polyesters which contain disulfide linkages were found to be effective stabilizers of polycarbonate resin. Accordingly, a polycarbonate composition containing disulfide esters, alone or as a coadditive with a polyether is rendered more resistant to the deterioration resulting upon exposure to gamma radiation.
摘要翻译： 发现含有二硫键的酯和聚酯是聚碳酸酯树脂的有效稳定剂。 因此，含有二硫醚的聚碳酸酯组合物，单独或作为与聚醚共添加的聚碳酸酯组合物对于暴露于γ辐射导致的劣化更具有抗性。
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公开(公告)号：US5382645A
公开(公告)日：1995-01-17
申请号：US127917
申请日：1993-09-28
CPC分类号： C08G18/02 , C08G18/79 , C08G18/8061
摘要： A composition suitable for making coatings, binders and films and the process for the preparation of the composition are disclosed. Accordingly, nylon-1 which contains structural units conforming to ##STR1## where R and R' are organic radicals, and which contains an amount of unpolymerized NCO groups, is reacted with a monofunctional blocking agent to produce a first product. The resulting first product is then reacted with an isocyanate-reactive product to produce a second product. The second product is suitable for the preparation of films, binders and coatings.
摘要翻译： 公开了适用于制备涂料，粘合剂和薄膜的组合物和组合物的制备方法。 因此，含有符合d的含有一定数量的未聚合的NCO基团的结构单元的尼龙-1与单官能封端剂反应以产生第一产物。 然后将所得第一产物与异氰酸酯反应性产物反应以产生第二产物。 第二种产品适用于制备薄膜，粘合剂和涂料。
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公开(公告)号：US5693722A
公开(公告)日：1997-12-02
申请号：US764377
申请日：1996-12-13
摘要： A process is disclosed whereby a polymeric resin (containing ester and/or carbonate bonds) is readily converted into a resin having a modified molecular structure. Accordingly, a polycyclic carbonate (a monomer or oligomer) is transesterified with the polymer resin in the melt, preferably upon extrusion, optionally in the presence of a catalyst. Significantly, the cyclic carbonates are, by the inventive process, inserted into the structure of the polymer, effecting branching of the molecular structure, a branching which manifests itself in the modified properties of the resin.
摘要翻译： 公开了一种方法，其中聚合物树脂（含有酯和/或碳酸酯键）容易转化为具有改性分子结构的树脂。 因此，多烯碳酸酯（单体或低聚物）优选在挤出时，任选地在催化剂存在下，与聚合物树脂在熔体中酯交换。 重要的是，通过本发明的方法，环状碳酸酯被插入到聚合物的结构中，实现分子结构的支化，其表现为树脂的改性特性。
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公开(公告)号：US5623019A
公开(公告)日：1997-04-22
申请号：US502112
申请日：1995-07-13
摘要： A compatibilized thermoplastic molding composition containing polyurethane and polyolefin resins is disclosed. Accordingly, a particularly structured copolymer having a number average molecular weight of about 25,000 to 350,000 and containing blocks of monoalkylene arene and either hydrogenated conjugated diene or non-hydrogenated conjugated diene, was found to compatibilize the composition. Articles molded from the composition are characterized by their good mechanical properties.
摘要翻译： 公开了含有聚氨酯和聚烯烃树脂的增容的热塑性模塑组合物。 因此，发现数均分子量为约25,000〜350,000，含有单亚烷基芳烃和氢化共轭二烯或非氢化共轭二烯的特殊结构的共聚物使组合物相容。 由组合物成型的制品的特征在于其良好的机械性能。
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