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公开(公告)号：US5948876A
公开(公告)日：1999-09-07
申请号：US988920
申请日：1997-12-11
申请人： Raphael Mestanza , Patrick Joseph McCloskey , Theodorus Lambertus Hoeks , Adrianus Alphonsus Kusters , Pin-Pin Wu , Ye-Gang Lin
发明人： Raphael Mestanza , Patrick Joseph McCloskey , Theodorus Lambertus Hoeks , Adrianus Alphonsus Kusters , Pin-Pin Wu , Ye-Gang Lin
CPC分类号： C08G64/14
摘要： Branched polycarbonates are prepared by the reaction of a linear or branched polycarbonate with a branching resin having a molecular weight up to about 3,000, typically a novolak or a bisphenol polymer. The reaction preferably takes place in the presence of a carbonate equilibration catalyst such as a quaternary bisphenolate.
摘要翻译： 支化聚碳酸酯通过直链或支链聚碳酸酯与分子量高达约3,000，通常为酚醛清漆或双酚聚合物的支化树脂的反应制备。 反应优选在碳酸酯平衡催化剂如季
化双酚盐存在下进行。-
公开(公告)号：US6087468A
公开(公告)日：2000-07-11
申请号：US954458
申请日：1997-10-20
申请人： Theodorus L. Hoeks , Adrianus A. M. Kusters , Ye-Gang Lin , Patrick J. McCloskey , Raphael Mestanza , Pin-pin Wu
发明人： Theodorus L. Hoeks , Adrianus A. M. Kusters , Ye-Gang Lin , Patrick J. McCloskey , Raphael Mestanza , Pin-pin Wu
CPC分类号： C08G64/14
摘要： The disclosure describes reacting a multi-functional phenolic or carboxylic branching agent with a transesterification catalyst to form an organic salt prior to reactive extrusion of said organic salt branching agent with linear polycarbonate resin as a means to dramatically increase the efficiency of the branching agent in the preparation of branched polycarbonate.
摘要翻译： 本公开内容描述了在将所述有机盐支化剂与线性聚碳酸酯树脂反应性挤出之前，使多官能酚或羧基支化剂与酯交换催化剂反应以形成有机盐，以显着提高支链剂在 支链聚碳酸酯的制备。
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公开(公告)号：US6124422A
公开(公告)日：2000-09-26
申请号：US273379
申请日：1999-03-22
申请人： Raphael Mestanza
发明人： Raphael Mestanza
CPC分类号： C08G64/406 , C08G64/307
摘要： Polycarbonate produced by reaction in a melt of a diaryl carbonate and a dihydric phenol in the presence of a basic catalyst is quenched to reduce the level of residual catalyst by combining the polycarbonate with a powder-free quenching composition. The quenching composition contains an acidic quencher, such as an alkyl tosylate, in a non-powder carrier. The non-powder carrier may be a liquid or a solid, for example in the form of pellets containing or coated with the quencher.
摘要翻译： 通过在碱性催化剂的存在下在碳酸二芳基酯和二元酚的熔体中反应制备的聚碳酸酯被淬灭以通过将聚碳酸酯与无粉末淬火组合物组合来降低残留催化剂的水平。 淬灭组合物在非粉末载体中含有酸性猝灭剂，例如甲苯磺酸烷基酯。 非粉末载体可以是液体或固体，例如以含有猝灭剂或包被猝灭剂的颗粒形式。
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4.发明授权
公开(公告)号：US6136945A
公开(公告)日：2000-10-24
申请号：US313063
申请日：1999-05-17
申请人： Raphael Mestanza
发明人： Raphael Mestanza
CPC分类号： C08G64/307
摘要： Polycarbonate produced by melt condensation of a diaryl carbonate and a dihydric phenol in the presence of a basic catalyst to produce an intermediate polycarbonate composition is finished by quenching with both an alkyl tosylate quencher and phosphorous acid. The efficiency of quenching can be measured by UV retention. Surprisingly, although phosphorous acid alone has no impact on the UV retention, the combination of alkyl tosylate quenchers and phosphorous acid provides a significant improvement over the use of the alkyl tosylate quencher alone. Thus, the method of the invention permits a reduction in the amount of alkyl tosylate quencher used, and can achieve superior results which cannot be achieved even by increasing the alkyl tosylate levels.
摘要翻译： 通过在碱性催化剂的存在下，通过在烷基甲苯磺酸猝灭剂和亚磷酸中淬灭来制备中间体聚碳酸酯组合物，通过碳酸二芳基酯和二元酚的熔融缩合制备的聚碳酸酯完成。 淬火效率可以通过紫外线固定测量。 令人惊奇的是，尽管亚磷酸单独对UV保留没有影响，甲基磺酸甲酯猝灭剂和亚磷酸的组合提供了比单独使用烷基甲苯磺酸猝灭剂显着的改进。 因此，本发明的方法允许使用的甲苯磺酸烷基酯猝灭剂的量减少，并且可以获得甚至通过增加烷基甲苯磺酸盐水平不能实现的优异结果。
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5.发明授权公开(公告)号：US06759504B1
公开(公告)日：2004-07-06
申请号：US09887698
申请日：2000-09-22
申请人： Raphael Mestanza
发明人： Raphael Mestanza
IPC分类号： C08G6400
CPC分类号： C08G64/307
摘要： Polycarbonate produced by melt condensation of a diaryl carbonate and a dihydric phenol in the presence of a basic catalyst to produce an intermediate polycarbonate composition is finished by quenching with both an alkyl tosylate quencher and phosphorous acid. The efficiency of quenching can be measured by UV retention. Surprisingly, although phosphorous acid alone has no impact on the UV retention, the combination of alkyl tosylate quenchers and phosphorous acid provides a significant improvement over the use of the alkyl tosylate quencher alone. Thus, the method of the invention permits a reduction in the amount of alkyl tosylate quencher used, and can achieve superior results which cannot be achieved even by increasing the alkyl tosylate levels.
摘要翻译： 通过在碱性催化剂的存在下，通过在烷基甲苯磺酸猝灭剂和亚磷酸中淬灭来制备中间体聚碳酸酯组合物，通过碳酸二芳基酯和二元酚的熔融缩合制备的聚碳酸酯完成。 淬火效率可以通过紫外线固定测量。 令人惊奇的是，尽管亚磷酸单独对UV保留没有影响，甲基磺酸甲酯猝灭剂和亚磷酸的组合提供了比单独使用烷基甲苯磺酸猝灭剂显着的改进。 因此，本发明的方法允许使用的甲苯磺酸烷基酯猝灭剂的量减少，并且可以获得甚至通过增加烷基甲苯磺酸盐水平不能实现的优异结果。
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公开(公告)号：US6022941A
公开(公告)日：2000-02-08
申请号：US53348
申请日：1998-04-01
摘要： Polycarbonate can be branched by reactive extrusion using free radical chemistry. This technology combines the effect of free radical initiator and branching agent on polycarbonate during processing. Melt Strength of polycarbonate can be increased by addition of a triacrylate as branching agent and peroxide as radical initiator.
摘要翻译： 聚碳酸酯可以通过使用自由基化学反应挤出而分支。 该技术结合了加工过程中自由基引发剂和支化剂对聚碳酸酯的影响。 通过加入作为支化剂的三丙烯酸酯和作为自由基引发剂的过氧化物可以提高聚碳酸酯的熔体强度。
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7.发明授权Method for quenching of catalyst in the production of low molecular weight polycarbonates 有权生产低分子量聚碳酸酯时催化剂淬火的方法公开(公告)号：US06177536B1
公开(公告)日：2001-01-23
申请号：US09255147
申请日：1999-02-22
IPC分类号： C08G6402
CPC分类号： C08G64/307 , C08G64/406
摘要： Improved performance in high temperature, high vacuum reactors is obtained by quenching alkaline catalyst present in the product a melt polycondensation reaction using a sulfonic acid ester quencher in a carrier. The carrier if formed from a first carrier component effective to solubilize the quencher and having a lower boiling point than the quencher, and a second carrier component soluble in the first carrier component and having a higher boiling point than the quencher. An exemplary carrier composition contains equal parts of diphenylcarbonate and toluene.
摘要翻译： 通过使用载体中的磺酸酯猝灭剂淬灭产物中存在的碱性催化剂进行熔融缩聚反应，可获得高温高真空反应器中的性能。 如果由有效溶解猝灭剂并且具有比猝灭剂低的沸点的第一载体组分形成载体，以及可溶于第一载体组分并且具有比淬灭剂更高沸点的第二载体组分。 示例性的载体组合物包含相当部分的碳酸二苯酯和甲苯。
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8.发明授权Polyphenylene sulphide-based compositions with improved impact strength and process for preparing them 失效具有改善冲击强度的聚苯硫醚类组合物及其制备方法
公开(公告)号：US5504141A
公开(公告)日：1996-04-02
申请号：US321072
申请日：1994-10-11
CPC分类号： C08K5/17 , C08L81/02 , C08L23/08 , C08L33/068 , C08L63/00
摘要： Polyphenylene sulphide-based compositions with high impact strength essentially comprising, by weight, 60 to 99.5 parts of polyphenylene sulphide and 0.5 to 40 parts of a combination C comprising at least one compound Cl chosen form olefinic elastomers comprising epoxy groups and at least one tertiary amine C2. During the preparation of these compositions, the tertiary amine C2 is preferably incorporated in last place with respect to the other constituents.
摘要翻译： 具有高冲击强度的基于聚苯硫醚的组合物基本上包含60至99.5份聚苯硫醚和0.5至40份包含至少一种化合物C1的组合C，所述组合C选自包含环氧基和至少一种叔胺的烯烃弹性体 C2。 在制备这些组合物期间，优选将叔胺C2相对于其它成分掺入最后的位置。
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公开(公告)号：US6020437A
公开(公告)日：2000-02-01
申请号：US679390
申请日：1996-07-09
IPC分类号： C08K5/10 , C08F255/02 , C08F285/00 , C08F287/00 , C08K5/00 , C08K5/40 , C08L53/00 , C08F8/00
CPC分类号： C08F255/02 , C08K5/0025
摘要： Propylene polymer obtained by melt-blending of:100 parts by weight of polypropylene;from 0.01 to 10 parts by weight of a functional compound (a) comprising at least 2 acrylate groups;at least 0.005 part by weight of a sulphur-containing compound (b) chosen from thiuram sulphides; andfrom 0.01 to 5 parts by weight of a compound (c) capable of generating free radicals.
摘要翻译： 通过熔融共混获得的丙烯聚合物：100重量份的聚丙烯; 0.01至10重量份包含至少2个丙烯酸酯基团的官能化合物（a）; 至少0.005重量份选自硫化亚砜的含硫化合物（b）; 和0.01〜5重量份能够产生自由基的化合物（c）。
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