公开(公告)号：US5300543A

公开(公告)日：1994-04-05

申请号：US127724

申请日：1993-09-28

申请人： Wolfgang Ebert ,  Jurgen Kirsch ,  Burkhard Kohler ,  Wolfgang Beer ,  Siegfried Anders ,  Rolf Dhein

发明人： Wolfgang Ebert ,  Jurgen Kirsch ,  Burkhard Kohler ,  Wolfgang Beer ,  Siegfried Anders ,  Rolf Dhein

IPC分类号： B29C44/00 ,  B29K69/00 ,  B29K105/04 ,  C08J9/06 ,  C08J9/12 ,  C08K3/00 ,  C08K3/20 ,  C08K3/24 ,  C08K5/00 ,  C08K5/09 ,  C08L67/00 ,  C08L69/00

CPC分类号： C08J9/12

摘要： A thermoplastic molding composition suitable for the preparation of foam is disclosed. The composition comprises a thermoplastic resinous component and a foaming agent which includes A) (i) 0.01 to 4.8% alumina hydrate (aluminum hydroxide) in combination with (ii) 0.01 to 4.8% of an acidic additive or B) 0.01 to 4.8% of the reaction product of said (i) and said (ii), the percentages being relative to the weight of the composition to be foamed. The invention is based on the finding that the foaming of the composition does not lead to any significant reduction in molecular weight of the resinous component or to troublesome discoloration of the foam, even during its re-extrusion.

摘要翻译： 公开了一种适于制备泡沫的热塑性模塑组合物。 该组合物包含热塑性树脂组分和发泡剂，其包括A）（i）0.01至4.8％的氧化铝水合物（氢氧化铝）与（ii）0.01至4.8％的酸性添加剂的组合，或B）0.01至4.8％的 所述（i）和所述（ii）的反应产物的百分比相对于要发泡的组合物的重量。 本发明基于以下发现：组合物的发泡不会导致树脂组分的分子量的任何显着降低，或者即使在其再挤出期间泡沫的麻烦变色。

公开(公告)号：US5258484A

公开(公告)日：1993-11-02

申请号：US902356

申请日：1992-06-19

申请人： Reinhard Schomacker ,  Uwe Hucks ,  Gunther Weymans ,  Wolfgang Herrig ,  Jurgen Kirsch

发明人： Reinhard Schomacker ,  Uwe Hucks ,  Gunther Weymans ,  Wolfgang Herrig ,  Jurgen Kirsch

IPC分类号： C08G64/22 ,  C08G64/24

CPC分类号： C08G64/24

摘要： A process for the continuous production of a thermoplastic aromatic polycarbonate is disclosed. Accordingly, in a reactor system which includes a tube reactor and a tank equipped with a stirrer, there are reacted a preheated dialkali diphenolate aqueous solution with gaseous phosgene in CH.sub.2 Cl.sub.2 and/or in chlorobenzene solution containing excess phosgene, in a mixer to form a mixed emulsion. The emulsion is then transported at least partly against the force of gravity into the tube reactor to facilitate a polycondensation reaction and in which after a residence time of at least 10 seconds and without dissipation of the heat of reaction there is added a chain terminator. The heat of reaction is dissipated in said tank and aqueous sodium hydroxide and catalyst are added to complete the reaction. The process according to the invention leads to high yields of phosgene.

摘要翻译： 公开了连续生产热塑性芳族聚碳酸酯的方法。 因此，在包括管式反应器和装有搅拌器的罐的反应器系统中，在混合器中使预热的二元醇二酚盐水溶液与气态光气在CH 2 Cl 2中和/或含有过量光气的氯苯溶液中反应，形成混合 乳液。 然后将乳液至少部分地抵抗重力输送到管式反应器中以促进缩聚反应，并且其中在至少10秒的停留时间之后并且不消耗反应热量时，添加了链终止剂。 在所述槽中消散反应热，加入氢氧化钠水溶液和催化剂以完成反应。 根据本发明的方法导致高产率的光气。

公开(公告)号：US4937276A

公开(公告)日：1990-06-26

申请号：US191905

申请日：1988-05-09

申请人： Werner Nielinger ,  Heinz-Josef Fullmann ,  Jurgen Kirsch ,  Ludwig Bottenbruch

发明人： Werner Nielinger ,  Heinz-Josef Fullmann ,  Jurgen Kirsch ,  Ludwig Bottenbruch

IPC分类号： C08K13/02 ,  C08K7/14 ,  C08K13/04 ,  C08L77/00 ,  C08L77/06

CPC分类号： C08K7/14 ,  C08K13/04

摘要： Improved polyamide molding compositions are characterized in that(a) the polyamide essentially contains the polycondensation product of adipic acid, terephthalic acid and hexamethylenediamine,(b) the molding compositions are reinforced with glass fibers and(c) a mixture of copper-, halogen- and phosphorus-containing compounds is present as stabilizer.

摘要翻译： 改进的聚酰胺模塑组合物的特征在于（a）聚酰胺基本上含有己二酸，对苯二甲酸和六亚甲基二胺的缩聚产物，（b）模塑组合物用玻璃纤维增​​强，（c）铜， 并且含磷化合物作为稳定剂存在。