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1. 发明授权

US06326457B1 Continuous polyamide extraction process 失效
标题翻译：连续聚酰胺萃取工艺
公开(公告)号：US06326457B1
公开(公告)日：2001-12-04
申请号：US09554214
申请日：2000-05-11
申请人： Jörg Erbes , Alfons Ludwig , Gunter Pipper
发明人： Jörg Erbes , Alfons Ludwig , Gunter Pipper
IPC分类号： C08G6908
CPC分类号： C08G69/46 , B01D11/0242 , C08G69/04 , C08G69/16
摘要： A process for continuous extraction of polyamide particles using a recirculating extractant in a vertical extraction column that is divided into two zones comprises treating the polyamide with an aqueous extractant comprising from 40 to 95% by weight of &egr;-caprolactam in a first zone at from 100 to 140° C., and then effecting an aftertreatment with water in a second zone. The caprolactam can then be extracted in a conventional manner. The process provides for economical production of polyamide having a low dimer content.
摘要翻译：使用分为两个区域的垂直萃取柱中的再循环萃取剂连续萃取聚酰胺颗粒的方法包括用含有40至95重量％ε-己内酰胺的含水萃取剂在第一区域中以100重量％至140℃，然后在第二区域用水进行后处理。然后可以以常规方式提取己内酰胺。该方法提供了经济地生产具有低二聚体含量的聚酰胺。

2. 发明授权

US06754979B2 Device for drying and thermally treating granulates with an inert gas stream 有权
标题翻译：用惰性气流干燥和热处理颗粒的装置
公开(公告)号：US06754979B2
公开(公告)日：2004-06-29
申请号：US10130250
申请日：2002-05-16
申请人： Alfons Ludwig , Ragnhild Pille , Gunter Pipper
发明人： Alfons Ludwig , Ragnhild Pille , Gunter Pipper
IPC分类号： F26B308
CPC分类号： F26B21/14 , B29B13/065 , B29B2009/168 , B29K2067/00 , B29K2077/00 , F26B17/122
摘要： An apparatus (1) is proposed for drying and heat-treating pellets with a stream of inert gas, wherein the apparatus has a cuboid base unit (2) with a feed (3) for the pellets in its upper part and an outlet (4) in its lower part, with a feed (5) on one lateral surface and with an exhaust base (6) on the opposite lateral surface of the cuboid base unit (2) for the stream of inert gas, and also with distribution and retention equipment (7, 8) in the region of the feed (5) and, respectively, of the exhaust (6) for the stream of inert gas, where each of these extends essentially over the entire vertical cross section of the cuboid base unit (2).
摘要翻译：提出了一种用惰性气体流干燥和热处理颗粒的装置（1），其中该装置具有一个长方体底座单元（2），其上部具有用于颗粒的进料（3）和一个出口（4））在其下部具有一个侧表面上的进料（5）和用于惰性气体流的长方体基部单元（2）的相对侧表面上的排气基底（6），并且还具有分布和保持在进料（5）的区域和分别用于惰性气体流的排气（6）的区域中的设备（7,8），其中每个设备基本上在长方体基座单元的整个垂直横截面上延伸（ 2）。

3. 发明授权

US06429279B1 Preparation of polyamides 有权
标题翻译：聚酰胺的制备
公开(公告)号：US06429279B1
公开(公告)日：2002-08-06
申请号：US09554216
申请日：2000-05-11
申请人： Hans-Harald Hünger , Alfons Ludwig , Rainer Neuberg , Gunter Pipper , Thomas Sauer , Axel Wilms
发明人： Hans-Harald Hünger , Alfons Ludwig , Rainer Neuberg , Gunter Pipper , Thomas Sauer , Axel Wilms
IPC分类号： C08G6904
CPC分类号： C08G69/46 , C08G69/04 , C08G69/16
摘要： The disclosure is a process for preparing polyamides by concentrating the wash water extract from the extraction of polyamide to an extractables content of not more than 85% by weight, adding fresh lactam down to a water content of from 0.5 to 13% by weight, and effecting at least one adiabatic expansion during the polymerization.
摘要翻译：本公开是通过将洗涤水提取物从聚酰胺的提取物浓缩至不超过85重量％的可提取物含量制备聚酰胺的方法，将新鲜内酰胺加入到0.5至13重量％的水含量中，以及在聚合过程中至少产生一个绝热膨胀。

4. 发明授权

US06194538B1 Process for producing polyamides from aminonitriles 有权
标题翻译：从氨腈制备聚酰胺的方法
公开(公告)号：US06194538B1
公开(公告)日：2001-02-27
申请号：US09242714
申请日：1999-02-22
申请人： Robert Weiss , Dieter Krauss , Dieter Keller , Gunter Pipper , Wolfgang Harder , Alfons Ludwig , Ralf Mohrschladt
发明人： Robert Weiss , Dieter Krauss , Dieter Keller , Gunter Pipper , Wolfgang Harder , Alfons Ludwig , Ralf Mohrschladt
IPC分类号： C08G6904
CPC分类号： C08G69/04 , C08G69/08 , C08G69/28 , C08G69/36
摘要： A process for preparing a polyamide by reacting at least one aminonitrile with water comprises: (1) reacting at least one aminonitrile with water at a temperature from 100 to 360° C. and a pressure from 0.1 to 35×106 Pa to obtain a reaction mixture, (2) further reacting the reaction mixture at a temperature from 150 to 400° C. and a pressure which is lower than the pressure in step 1, the temperature and the pressure being selected so as to obtain a first gas phase and a first liquid or a first solid phase or a mixture of first solid and first liquid phase, and the first gas phase is separated from the first liquid or the first solid phase or from the mixture of first liquid and first solid phase, and (3) admixing the first liquid or the first solid phase or the mixture of first liquid and first solid phase with a gaseous or liquid phase comprising water at a temperature from 150 to 360° C. and a pressure from 0.1 to 30×106 Pa to obtain a product mixture.
摘要翻译：通过使至少一种氨基腈与水反应制备聚酰胺的方法包括：（1）在100至360℃的温度和0.1至35×10 6 Pa的压力下使至少一种氨基腈与水反应，得到反应混合物，（2）在150-400℃的温度和低于步骤1中的压力的压力下使反应混合物进一步反应，选择温度和压力以获得第一气相和第一液体或第一固相或第一固相和第一液相的混合物，并且第一气相与第一液体或第一固相或第一液体和第一固相的混合物分离，以及（3）将第一液体或第一固相或第一液体和第一固相的混合物与气相或液相在150至360℃的温度和0.1至30×10 6 Pa的压力下包含水以获得产物混合物。

5. 发明授权

US06703475B1 Method for the continuous production of copolyamides based on a lactam (I), a diamine (II) and a dicarboxylic acid (III) 有权
标题翻译：基于内酰胺（I），二胺（II）和二羧酸（III）的共聚酰胺的连续生产方法，
公开(公告)号：US06703475B1
公开(公告)日：2004-03-09
申请号：US10130044
申请日：2002-05-13
申请人： Jürgen Deininger , Walter Götz , Alfons Ludwig , Gunter Pipper
发明人： Jürgen Deininger , Walter Götz , Alfons Ludwig , Gunter Pipper
IPC分类号： C08G6904
CPC分类号： C08G69/04 , C08G69/28 , C08G69/36 , C08G69/48 , D01F6/80
摘要： A process for continuous production of copolyamides based on a lactam (I), a diamine (II) and a dicarboxylic acid (III) comprises reacting a mixture (IV) comprising a diamine (II), a dicarboxylic acid (III) and water in a first reaction zone at a pressure in the range from 1.3*105 to 2.5*105 Pa in the entry zone of the reaction zone and at a temperature above the melting point of polymer (V) to a conversion, based on the molar amounts of diamine (II) and dicarboxylic acid (III), of at least 80% to form a polymer (V), reacting a mixture (VI) comprising lactam (I) and water in a second reaction zone at a pressure in the range from 5*105 to 40*105 Pa and at a temperature above the melting point of polymer (VII) to a conversion, based on the molar amount of lactam (I), of at least 80% to form a polymer (VII), then reacting polymer (V) and polymer (VII) with each other in a third reaction zone at a pressure in the range from 1*105 to 1.5*105 Pa in the entry zone of the reaction zone at temperatures above the melting point of polymer (VIII) to form a polymer (VIII), said polymer (VIII) having a 95° C. water extractables content, based on lactam (I), diamine (II) and dicarboxylic acid (III), of not more than 10% by weight, and then extracting the polymer (VIII) with water to obtain the copolyamide.
摘要翻译：基于内酰胺（I），二胺（II）和二羧酸（III）连续生产共聚酰胺的方法包括将包含二胺（II），二羧酸（III）和水的混合物（IV）第一反应区，在反应区的进入区中在1.3×10 5至2.5×10 5 Pa范围内的压力下，在高于聚合物（V）熔点的温度下，以基于使二胺（II）和二羧酸（III）的摩尔量为至少80％，以形成聚合物（V），使第二反应区中含有内酰胺（I）和水的混合物（VI）在压力在5×10 5至40×10 5 Pa的范围内，并且在高于聚合物（VII）的熔点的温度下，基于内酰胺（I）的摩尔量，至少80 ％以形成聚合物（VII），然后在第三反应区中将聚合物（V）和聚合物（VII）彼此反应，在1×10 5至1.5×10 5 Pa的压力范围内反应区的进入区 e在高于聚合物（VIII）熔点的温度下形成聚合物（VIII），基于内酰胺（I），二胺（II）和二羧酸（II），所述聚合物（VIII）具有95℃的可水提取物含量 III），不大于10重量％，然后用水萃取聚合物（VIII），得到共聚酰胺。

6. 发明授权

US06320021B1 Continuous polyamide extraction process 有权
标题翻译：连续聚酰胺萃取工艺
公开(公告)号：US06320021B1
公开(公告)日：2001-11-20
申请号：US09554217
申请日：2000-05-11
申请人： Peter Hildenbrand , Reinhard Lang , Alfons Ludwig , Gunter Pipper
发明人： Peter Hildenbrand , Reinhard Lang , Alfons Ludwig , Gunter Pipper
IPC分类号： C08G6916
CPC分类号： C08G69/16 , C08G69/46
摘要： A process for continuous extraction of polyamide particles in an essentially vertical extraction column using an aqueous extractant comprises using an extraction column that is divided into two zones and performing an extraction with a recirculating 15-40% strength by weight aqueous &egr;-caprolactam solution in the first zone and then with countercurrent water at a from 5 to 40° C. lower temperature in the second zone. The process provides for economical extraction of polyamides with a low level of monomers and oligomers.
摘要翻译：使用含水萃取剂在基本垂直的萃取塔中连续提取聚酰胺颗粒的方法包括使用分离成两个区域的提取塔，并用15-40重量％的重量百分比的ε-己内酰胺水溶液萃取然后在5至40℃的逆流水中，在第二区域中的较低温度。该方法提供了用低水平的单体和低聚物经济地提取聚酰胺。

7. 发明授权

US5650466A Thermoplastic polyamide molding materials 失效
标题翻译：热塑性聚酰胺成型材料
公开(公告)号：US5650466A
公开(公告)日：1997-07-22
申请号：US583189
申请日：1996-01-04
申请人： Axel Gottschalk , Herbert Fisch , Gunter Pipper , Martin Weber
发明人： Axel Gottschalk , Herbert Fisch , Gunter Pipper , Martin Weber
IPC分类号： C08G69/26 , C08L35/06 , C08L77/00 , C08L77/06 , C08L77/10 , C08L39/04
CPC分类号： C08L35/06 , C08G69/265 , C08L77/00 , C08L77/06
摘要： Thermoplastic molding materials containA) from 5 to 95% by weight of a semicrystalline, partly aromatic copolyamide composed ofa.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acid,a.sub.2) from 6 to 20 mol % of units which are derived from isophthalic acid,a.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine anda.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms, the molar percentages of the components a.sub.1) to a.sub.4) summing to 100%,B) from 5 to 95% by weight of a copolymer of vinylaromatic compounds with .alpha.,.beta.-unsaturated dicarboxylic anhydrides and .alpha.,.beta.-unsaturated dicarboximides,C) from 0 to 90% by weight of an SAN, ABS or ASA polymer or of a polymer of a C.sub.1 -C.sub.18 -alkyl ester of (meth)acrylic acid or of a mixture thereof,D) from 0 to 20% by weight of an elastomeric polymer,E) from 0 to 50% by weight of a fibrous or particulate filler andF) from 0 to 30% by weight of conventional additives and processing assistants,the percentages by weight of the components A) to F) summing to 100 %.
摘要翻译：热塑性成型材料含有A）5〜95重量％的半结晶部分芳族共聚酰胺，其由a1- 30〜44摩尔％的衍生自对苯二甲酸的单元组成，a2）6〜20摩尔％的单元，衍生自间苯二甲酸，a3）43至49.5摩尔％的衍生自六亚甲基二胺的单元和a4）0.5至7摩尔％的衍生自6至30个碳原子的脂族环状二胺的单元，摩尔百分数组分a1）至a4）相加至100％，B）5至95重量％的乙烯基芳族化合物与α，β-不饱和二羧酸酐和α，β-不饱和二羧酸酯的共聚物，C）0至90％重量的SAN，ABS或ASA聚合物或（甲基）丙烯酸或其混合物的C 1 -C 18烷基酯的聚合物，D）0至20重量％的弹性体聚合物，E） 0至50重量％的纤维或颗粒填料和F）0至30重量％的c 常规添加剂和加工助剂，组分A）至F）的重量百分数相加至100％。

8. 发明授权

US5639833A Molding materials comprising polyarylene ethers and copolyamides 失效
标题翻译：包含聚亚芳基醚和共聚酰胺的成型材料
公开(公告)号：US5639833A
公开(公告)日：1997-06-17
申请号：US513631
申请日：1995-08-10
申请人： Martin Weber , Herbert Fisch , Gunter Pipper , Axel Gottschalk
发明人： Martin Weber , Herbert Fisch , Gunter Pipper , Axel Gottschalk
IPC分类号： C08L23/00 , C08L23/16 , C08L51/00 , C08L71/00 , C08L71/08 , C08L71/10 , C08L73/00 , C08L77/00 , C08L77/06 , C08L81/00 , C08L81/06 , C08L87/00
CPC分类号： C08L81/06 , C08L71/00 , C08L77/00 , C08L77/06
摘要： The invention is directed to molding materials containingA) from 1 to 99% by weight of polyarylene ethers having repeating units I ##STR1## where t and q may each be an integer 0, 1, 2 or 3,T, Q and Z may each be a chemical bond or --O--, --S--, --SO.sub.2 --, S.dbd.O, C.dbd.O, --N.dbd.N--, R.sup.a C.dbd.CR.sup.b -- or --CR.sup.c R.sup.d --, with the proviso that at least one of the groups T, Q and Z is --SO.sub.2 -- or C.dbd.O,R.sup.a and R.sup.b,R.sup.c and R.sup.d, andAr and Ar.sup.1 are as defined in the specification,B) from 1 to 99% by weight of copolyamides containingb.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acid,b.sub.2) from 6 to 20 mol % of units which are derived from isophthalic acid,b.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine,b.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms andb.sub.5) from 0 to 4 mol % of further polyamide-forming monomers which differ from b.sub.1) to b.sub.4),along with other optional additives.
摘要翻译：本发明涉及含有A）1至99重量％的具有重复单元I（I）的聚亚芳基醚的成型材料，其中t和q可各自为整数0,1,2或3，T，Q 和Z可以各自为化学键或-O - ， - S - ， - SO 2 - ，S = O，C = O，-N = N-，RaC = CRb-或-CRcRd-，条件是至少 T，Q和Z中的一个是-SO 2 - 或C = O，R a和R b，R c和R d，Ar和Ar 1如说明书中所定义，B）1至99重量％的含有b1 ）来自对苯二甲酸的单元为30〜44摩尔％，b2）6〜20摩尔％来自间苯二甲酸的单元，b3）43〜49.5摩尔％的衍生自六亚甲基二胺的单元，b4 ）0.5〜7摩尔％的衍生自6〜30个碳原子的脂肪族环状二胺的单元，b5）0〜4摩尔％的不同于b1）〜b4）的其他聚酰胺形成性单体，以及其它任选的添加剂。

9. 发明授权

US5391572A Thermoplastic molding compositions based on polyamidic and thermoplastic polyester elastomers 失效
标题翻译：基于聚酰胺和热塑性聚酯弹性体的热塑性模塑组合物
公开(公告)号：US5391572A
公开(公告)日：1995-02-21
申请号：US241459
申请日：1994-05-11
申请人： Walter Goetz , Walter Betz , Gunter Pipper
发明人： Walter Goetz , Walter Betz , Gunter Pipper
IPC分类号： C08K3/00 , C08G69/04 , C08K7/02 , C08L77/00 , D01F1/10 , D01F6/90
CPC分类号： D01F6/90 , C08G69/04 , C08L77/00 , D01F1/10
摘要： Thermoplastic molding compositions are obtainable by mixingA) from 0.5 to 5% by weight of a thermoplastic polyester elastomer andB) from 0 to 50% by weight of fibrous or particulate fillers or mixtures thereof into a melt ofC) from 40 to 99.5% by weight of a polyamide prepolymer having a viscosity number of from 40 to 80 ml/g and subsequent postcondensation in solid phase.
摘要翻译：热塑性模塑组合物可通过将A）0.5-5重量％的热塑性聚酯弹性体和B）0-50重量％的纤维或颗粒填料或其混合物混合到C = 40至99.5重量％的熔体中获得，的粘度为40至80ml / g的聚酰胺预聚物，随后在固相中缩聚。

10. 发明授权

US5068308A Continuous preparation of aromatic polycondensates 失效
标题翻译：连续制备芳香族聚氧乙烯
公开(公告)号：US5068308A
公开(公告)日：1991-11-26
申请号：US365130
申请日：1989-06-12
申请人： Gunter Pipper , Gerhard Heinz , Bernd Hisgen
发明人： Gunter Pipper , Gerhard Heinz , Bernd Hisgen
IPC分类号： C08G63/19 , C08G63/60 , C08G63/688 , C08G63/78 , C08G69/32 , C08G69/44 , C08G73/16 , C08G75/26
CPC分类号： C08G75/26 , C08G63/605 , C08G69/32 , C08G69/44
摘要： Aromatic polycondensates are prepared in a continuous process froma) aromatic hydroxy-, thio- and/or amino-carboxylic acids,b) aromatic dihydroxy-, dithio-, diamino- and/or hydroxy-amino compounds,c) urea as an optional component andd) a molar amount equivalent to the sum of components b) and c) of aromatic dicarboxylic acids,by1. reacting components a), b), d) and optionally c) with lower fatty acid anhydrides in excess at from 140.degree. to 280.degree. C. with distillative removal of fatty acids and fatty acid anhydrides,2. passing the oligomer mixture downward through a perpendicular precondensation zone to form a two-phase mixture of prepolymers and vaporous fatty acids,3. separating the prepolymers from the vaporous fatty acids and4. condensing the prepolymer in a condensation zone to give a granulable polycondensate.
摘要翻译：芳香族缩聚物以a）芳族羟基，硫代和/或氨基羧酸，b）芳族二羟基 - ，二硫代 - ，二氨基 - 和/或羟基 - 氨基化合物的连续方法制备，c）作为任选的将组分a），b），d）和任选的c）与140以下的低级脂肪酸酐过量反应，得到芳族二羧酸的组分b）和c）的总和的摩尔量 DEG至280℃，蒸馏除去脂肪酸和脂肪酸酐，2.将低聚物混合物向下通过垂直预缩合区，形成预聚物和汽相脂肪酸的两相混合物，3.将预聚物与蒸气脂肪酸，和4.将预聚物在冷凝区中缩合，得到可颗粒缩聚物。

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