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1. 发明授权

US06232435B1 Polyalkylene arylates containing a high proportion of carboxyl end groups 失效
标题翻译：含有高比例羧基端基的聚亚烷基芳基化物
公开(公告)号：US06232435B1
公开(公告)日：2001-05-15
申请号：US09646174
申请日：2000-09-14
申请人： Thomas Heitz , Helmut Heel , Peter Braune , Martin Klatt
发明人： Thomas Heitz , Helmut Heel , Peter Braune , Martin Klatt
IPC分类号： C08F600
CPC分类号： C08L77/00 , C08G63/183 , C08G63/78 , C08L67/02 , C08L69/00 , C08L67/03
摘要： A process for preparing polyalkylene arylates by esterifying or transesterifying an aromatic dicarboxylic acid or its esters or ester-forming derivatives with a molar excess of an aliphatic dihydroxy compound and polycondensing the resultant esterification or transesterification product comprises polycondensing the prepolymer with a viscosity number (VN) of
摘要翻译：通过用摩尔过量的脂族二羟基化合物酯化或酯交换芳族二羧酸或其酯或酯形成衍生物并缩聚得到的酯化或酯交换产物来制备聚亚烷基芳基化物的方法包括使预聚物与粘度数（VN）缩聚，在含氧气体存在下为<30ml / g。

2. 发明授权

US06262185B1 Use of high-molecular polyester moulding materials 有权
标题翻译：使用高分子聚酯成型材料
公开(公告)号：US06262185B1
公开(公告)日：2001-07-17
申请号：US09529187
申请日：2000-04-10
申请人： Thomas Heitz , Peter Braune , Herbert Fisch , Erich Pellkofer , Georg Schneider
发明人： Thomas Heitz , Peter Braune , Herbert Fisch , Erich Pellkofer , Georg Schneider
IPC分类号： C08G6378
CPC分类号： C08J5/00 , C08G63/78 , C08J2367/00 , C08L67/02 , G02B6/443 , Y10T428/31786
摘要： The invention relates to the use of thermoplastic polyester molding compounds, containing A) 80 to 100 wt. % of a polyalkylene arylate, especially polybutyleneterephthalate, with a half-width of crystallization heat releases of ≦5° C. and B) 0 to 20 wt. % of other additives, the weight percentages of constituents A) and B) adding up to 100%, for producing molded bodies by blow-molding, profile extrusion and/or pipe extrusion. A preferred use for the inventive molding compounds is the production of light guide sheathing. The invention also relates to a 3-stage method for producing the polyesters as follows: a) esterification or re-esterification of an aromatic dicarboxylic acid or its derivative and a glycol; b) precondensation; and c) polycondensation to a viscosity number of at least 158 ml/g. The reaction is carried out in at least 2 temperature zones in stages a) and b).
摘要翻译：本发明涉及热塑性聚酯模塑料的应用，其中A：80至100wt。％的聚亚烷基芳基化物，特别是聚对苯二甲酸丁二醇酯，其半结晶热释放为≤5℃，B）为0-20重量％。其他添加剂的百分比，组分A）的重量百分数和B）加入高达100％，用于通过吹塑，型材挤出和/或管挤出生产成型体。本发明的模塑料的优选用途是制造导光护套。本发明还涉及以下三种制备聚酯的方法：a）芳族二羧酸或其衍生物和二醇的酯化或再酯化; b）预处理; 和c）至少158ml / g的粘度数的缩聚。反应在a）和b）阶段的至少2个温度区进行。

3. 发明授权

US5854377A Continuous preparation of thermoplastic polyesters 失效
标题翻译：连续制备热塑性聚酯
公开(公告)号：US5854377A
公开(公告)日：1998-12-29
申请号：US894747
申请日：1997-08-26
申请人： Peter Braune
发明人： Peter Braune
IPC分类号： C08G63/78 , C08G63/00
CPC分类号： C08G63/78
摘要： A process for the continuous preparation of thermoplastic polyesters by a) a first step of (trans)esterifying a dicarboxylic acid or its esters or ester-forming derivatives with a molar excess of a dihydroxy compound, b) a second step of precondensing the (trans)esterification product of a), and c) a third step of polycondensing the product of b) comprises carrying out step a) and/or step b) of the process in two or more temperature zones.
摘要翻译： PCT No.PCT / EP96 / 00941 Sec。 371日期：1997年8月26日 102（e）日期1997年8月26日PCT提交1996年3月6日PCT公布。公开号WO96 / 28492 日本1996年9月19日a）通过以下步骤连续制备热塑性聚酯的方法：a）用摩尔过量的二羟基化合物（二）酯化二羧酸或其酯或酯形成衍生物的第一步骤，b）第二步预先冷凝a）的（反式）酯化产物，以及c）将产物缩聚的第三步骤b）包括在两个或多个温度区域中进行该方法的步骤a）和/或步骤b）。

4. 发明授权

US5789500A Process for preparing residues containing dihydroxy compounds 失效
标题翻译：制备含二羟基化合物的残留物的方法
公开(公告)号：US5789500A
公开(公告)日：1998-08-04
申请号：US894954
申请日：1997-09-04
申请人： Peter Braune
发明人： Peter Braune
IPC分类号： C07C29/80 , C07C29/88 , C07C31/20 , C08G63/78 , C08F2/00 , C08G65/00
CPC分类号： C07C29/88 , C08G63/78
摘要： A process for working up dihydroxy compound residues from the preparation of polyesters by a) a first step of (trans)esterifying a dicarboxylic acid or its esters or ester-forming derivatives with a molar excess of a dihydroxy compound, b) at least one second step of polycondensing the esterification product of a), and c) subjecting the vapors from the reaction of a) and b) to a treatment for recovering the starting materials, comprises 1) combining the vapors of step a) and some of the vapors of step b) of the process in at least one column A) and removing the low boiling constituents of the vapors overhead and recycling the bottom product, which predominantly contains the excess dihydroxy compounds and also oligomeric and polymeric reaction products, into step a), and 2) transferring the other part of the vapors of step b) of the process into at least one column B) and removing the low boiling constituents of the vapors overhead and discharging the bottom product from the column and subsequently subjecting it to a further treatment for recovering the dihydroxy compound.
摘要翻译： PCT No.PCT / EP96 / 00940 Sec。 371日期：1997年9月4日 102（e）1997年9月4日PCT 1997年3月6日PCT公布。公开号WO96 / 29358 日本1996年9月26日A从制备聚酯中处理二羟基化合物残基的方法，通过以下步骤：（a）使二羧酸或其酯或酯形成衍生物与摩尔过量的二羟基化合物b反应）将a）的酯化产物缩聚至少一个第二步骤，和c）使来自a）和b）的反应的蒸气经历回收原料的处理，包括：1）将步骤a）的蒸气和在至少一个柱A）中的步骤b）中的一些蒸气的蒸发，并且去除蒸气顶部的低沸点组分并将主要含有过量二羟基化合物的底部产物以及低聚和聚合反应产物再循环到步骤a），和2）将该方法的步骤b）的蒸气的另一部分转移到至少一个柱B）中，并除去顶部蒸气的低沸点组分并排出底部产物fr 然后将其进一步处理以回收二羟基化合物。

5. 发明授权

US5496887A Preparation of thermoplastic polyesters having a low content of terminal carboxyl groups 失效
标题翻译：具有低羧基末端的热塑性聚酯的制备
公开(公告)号：US5496887A
公开(公告)日：1996-03-05
申请号：US370985
申请日：1995-01-10
申请人： Peter Braune
发明人： Peter Braune
IPC分类号： C08G63/16 , C08G63/83 , C08K5/09
CPC分类号： C08G63/83
摘要： Thermoplastic polyesters are prepared by polycondensation of dihydroxy compounds with dicarboxylic acids or their esters or ester-forming derivatives by a process in which an alkali metal compound or an alkaline earth metal compound is added in an amount of less than 1 mmol, calculated as alkali metal or alkaline earth metal, per kg of polyester.
摘要翻译：通过二羟基化合物与二羧酸或其酯或酯形成衍生物的缩聚制备热塑性聚酯，其中加入碱金属化合物或碱土金属化合物的量小于1mmol，以碱金属计算或碱土金属，每公斤聚酯。

6. 发明授权

US06174970B1 Method of reprocessing residues containing dihydroxy compounds 失效
标题翻译：后处理含二羟基化合物残留物的方法
公开(公告)号：US06174970B1
公开(公告)日：2001-01-16
申请号：US09125064
申请日：1998-08-07
申请人： Peter Braune
发明人： Peter Braune
IPC分类号： C08F200
CPC分类号： C07C29/80 , C07C29/88 , C07C31/207
摘要： A process for working up residues containing dihydroxy compounds resulting from the preparation of polyesters, where (1) in a first stage there is esterification or transesterification of a dicarboxylic acid or esters thereof or ester-forming derivatives with a molar excess of a dihydroxy compound, (2) in at least one second stage there is polycondensation of the esterification product obtained in (1), (3) the vapors (a) and (b) resulting from the reactions in (1) and (2) respectively are subjected to a treatment to recover the starting materials, wherein the treatment to recover the starting materials is carried out in the presence of an alkali metal or alkaline earth metal compound in an amount of from 0.5 to 10% by weight, calculated as alkali metal or alkaline earth metal, based on the solids content of the vapors.
摘要翻译：用于处理由制备聚酯得到的含有二羟基化合物的残余物的方法，其中（1）在第一阶段中存在二羧酸或其酯或酯形成衍生物与摩尔过量的二羟基化合物的酯化或酯交换，（2）在至少一个第二阶段中，在（1），（3）中获得的酯化产物的缩聚分别由（1）和（2）中的反应产生的蒸气（a）和（b）用于回收原料的处理，其中回收原料的处理在碱金属或碱土金属计，碱金属或碱土金属化合物的存在下进行，其量为0.5-10重量％金属，基于蒸汽的固体含量。

7. 发明授权

US5610231A Preparation of thermoplastic polyesters 失效
标题翻译：热塑性聚酯的制备
公开(公告)号：US5610231A
公开(公告)日：1997-03-11
申请号：US633521
申请日：1996-04-17
申请人： Peter Braune
发明人： Peter Braune
IPC分类号： C08G63/80 , C08G63/83 , C08K3/08
CPC分类号： C08G63/83 , C08G63/80
摘要： Thermoplastic polyesters are prepared by multistage polycondensation of dihydroxy compounds with dicarboxylic acids or esters or ester-forming derivatives thereof by a process in which, in at least one first stage, an alkali metal compound or an alkaline earth metal compound is added in an amount of from 1 to 10 mmol, calculated as alkali metal or alkaline earth metal, per kg of polyester, and at least one further stage is carried out as a solid-phase condensation.
摘要翻译：热塑性聚酯通过二羟基化合物与二羧酸或酯或其成酯衍生物的多段缩聚制备，其中在至少一个第一阶段中加入一定量的碱金属化合物或碱土金属化合物以每千克聚酯为碱金属或碱土金属计算为1至10毫摩尔，至少另外一个阶段作为固相缩合进行。

8. 发明授权

US5561218A Working up residues containing dihydroxy compounds 失效
标题翻译：处理含有二羟基化合物的残留物
公开(公告)号：US5561218A
公开(公告)日：1996-10-01
申请号：US591944
申请日：1996-01-23
申请人： Peter Braune
发明人： Peter Braune
IPC分类号： C07C29/80 , C07C31/20 , C08G63/78 , C08F6/00
CPC分类号： C07C29/80 , C07C31/20 , C08G63/78
摘要： A process for working up residues which contain dihydroxy compounds and are obtained in the preparation of polyesters by reacting dicarboxylic acids or their esters or ester-forming derivatives with dihydroxy compounds,a) in a first stage a diester of a dicarboxylic acid with an alkanol being subjected to transesterification with a molar excess of a dihydroxy compound,b) the vapors which are obtained in the reaction according to a) and contain predominantly the alkanol formed in the transesterification, excess dihydroxy compounds and oligomeric and polymeric reaction products being transferred to a column in which the alkanol is separated off via the top and the other products are separated off as a bottom product, andc) the bottom product being then subjected to a further treatment to recover the dihydroxy compound,wherein a liquid residue containing dihydroxy compounds is added in stage b) of the process, and the bottom product is discharged in substantially liquid form from the column and then subjected to a treatment for recovering the dihydroxy compound.
摘要翻译：一种用于处理含有二羟基化合物的残余物的方法，其通过使二羧酸或其酯或酯形成衍生物与二羟基化合物反应制备聚酯而获得，a）在第一阶段中，二羧酸与链烷醇的二酯用摩尔过量的二羟基化合物进行酯交换，b）在根据a）的反应中获得的蒸气并主要含有在酯交换中形成的链烷醇，过量的二羟基化合物和低聚和聚合反应产物转移到柱其中通过顶部分离出链烷醇，将其它产物作为底部产物分离出来，c）然后对底部产物进行进一步处理以回收二羟基化合物，其中加入含有二羟基化合物的液体残余物在步骤b）中，底部产物以大致液体的形式从中排出柱，然后进行二羟基化合物的回收处理。

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