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公开(公告)号：AT163439T
公开(公告)日：1998-03-15
申请号：AT95929870
申请日：1995-08-16
Applicant: BASF AG
Inventor： KRONER MATTHIAS , SCHORNICK GUNNAR , STROTMANN UWE , SCHWENDEMANN VOLKER , MEYER THOMAS , LUDWIG ALFONS
Abstract: PCT No. PCT/EP95/03224 Sec. 371 Date Feb. 27, 1997 Sec. 102(e) Date Feb. 27, 1997 PCT Filed Aug. 16, 1995 PCT Pub. No. WO96/06879 PCT Pub. Date Mar. 7, 1996A process for preparing salts of polyaspartic acid by treating polycondensates in aqueous medium with bases, employing at least 0.7 equivalent of an alkali metal and/or alkaline earth metal base per mole of the aspartimide, aspartic acid and/or aspartamide units present in the polycondensates, and the bases being added within from 30 min to 20 hours to an aqueous suspension of polycondensates of aspartic acid which has been heated to 40 DEG -140 DEG C., and the reaction mixture being allowed to react further where appropriate, and the use of alkali metal and/or alkaline earth metal salts of polyaspartic acids obtainable by treating polycondensates of aspartic acid in aqueous medium with more than 1 equivalent of an alkali metal and/or alkaline earth metal base, with the molecular weight of the polycondensates being reduced, as additive to detergents and cleaners.
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公开(公告)号：ID18204A
公开(公告)日：1998-03-12
申请号：ID973048
申请日：1997-09-01
Applicant: BASF AG
Inventor： WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS , MOHRSCHLADT RALF
Abstract: 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 35x106 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 30x106 Pa to obtain a product mixture.
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公开(公告)号：SA765B1
公开(公告)日：2006-05-06
申请号：SA00210581
申请日：2000-11-29
Applicant: BASF AG
Inventor： LUDWIG ALFONS , BELL RAJENHILD , PIERRE GUENTHER
Abstract: الملخص: يتعلقالاختراعالحاليبجهاز (١) apparatus للتجفيف drying وللمعالجةالحرارية heat-treating لحبيبات pellets بتيارمنغازخامل inert gas،حيثيكونللجهاز apparatus وحدةقاعدةمكعبة (٢) cuboid base unit معمغذي (٣) feed للحبيبات pellets فيجزئهالأعلىومخرج (٤) فيجزئهالأسفل،معمغذي (٥) feed علىسطحجانبيواحدوقاعدةلإخراجالعادم (٦) exhaust علىالسطحالجانبيالمقابللوحدةالقاعدةالمكعبة (٢)cuboid base unit لتيارالغازالخامل inert gas،وأيضابمعدةتوزيع distribution واحتجاز retention (٧،٨) فيمنطقةالمغذي (5) feed و , علىالتوالي،إخراجالعادم (٦) exhaust لتيارالغازالخامل inert gas،حيثيمتكلمنهؤلاءجوهرياعبرالقطاعالرأسيبالكامللوحدةالقاعدةالمكعبة (٢) cuboid base unit.
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24.发明专利
公开(公告)号：SA737B1
公开(公告)日：2006-04-26
申请号：SA00210561
申请日：2000-11-22
Applicant: BASF AG
Inventor： DEININGER JURGEN , GOTZ WALTER , LUDWIG ALFONS , PIPPER GUNTER
IPC: C08J5/18 , C08G69/00 , C08G69/02 , C08G69/04 , C08G69/14 , C08G69/26 , C08G69/28 , C08G69/36 , C08G69/48 , D01F6/80
Abstract: الملخص؛يتعلقالإختراعالحاليبعمليةلإنتاجمستمر copolyamides تعتمدعلى lactam (١)، diamine (٢) و dicarboxylic acid (٣) نشمل: تفاعلخليط (٤) يشمل diamine (٢)، dicarboxylic acid (٣) وماءفيمنطقةتفاعل reaction zone أولىعندضغطفيحدودمن 1,3*510 إلى 2,5*510بسكالفيمنطقةالدخولمنمنطقةالتفاعل .reaction zone وعنددرجةحرارةفوقنقطةإنصهار polymer (٥) لتحول،علىأساسالكمياتالمولاريةمن diamine (٢) dicarboxylic acidو (٣)،علىالأقل 80% لتشكيل polymer (5)،تفاعلخليط (٦) يشمل lactam (١) وماءفيمنطقةتفاعل reaction zone ثانيةعندضغطفيحدودمن 5*510إلى 40*510 بسكالوعنددرجةحرارةفوقنقطةإنصهار polymer (٧) لتحول،علىأساسالكميةالمولاريةمن lactam (١)،علىالأقل 80% لتشكيل polymer (٧)،تفاعل polymer (5) polymerو (٧) معافيمنطقةتفاعل reactionzone ثالثةعندضغطفيحدودمن 1*510 إلى 1,5*510بسكالفيمنطقةالدخولمنمنطقةالتفاعل reaction zone عنددرجاتحرارةفوقنقطةإنصهار polymer (٨) لتشكيل polymer (٨)، polymer المنكور (٨) لهمحتوىمستخلصاتماءعند95 مئوية،علىأساس lactam (١)، diamine (٢) dicarboxylicacid (٣)،ليسأكثرمن 10% منالوزن،وإستخلاصpolymer (٨) معماءللحصولعلى .copolyamide
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公开(公告)号：SA702B1
公开(公告)日：2006-04-18
申请号：SA98190809
申请日：1998-11-25
Applicant: BASF AG
Inventor： ERBES JORG , LUDWIG ALFONS , PIPPER GUNTER
Abstract: الملخص: يتعلقهذاالإختراعبطريقةللإستخلاصالمتواصللجزيئاتالبوليأميد polyamide بإستخداممستخلصمعادالدورانفيعمودإستخلاصرأسيوالذييقسمإلىمنطقتينويشملمعالجةالبوليأميد polyamide بمستخلصمائيمكونمن 40 إلى %95 بالوزنإيبسيلونكابرولاكتمفيمنطقةأولىعنددرجةحرارةمقدارهامن٠ ٠١ إلى 140 م, ثمالتأثيربمعالجةلاحقةمعالماءفيمنقطةثانية. وقديستخلصالكابرولاكتم caprolactam بعدذلكبصورةتقليدية. وتمدالطريقةبإنتاجإقتصاديمنالبوليأميد polyamide لهمحتوىدايمرمنخفض.
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Patent Agency Ranking
公开(公告)号：ES2202197T3
公开(公告)日：2004-04-01
申请号：ES00979562
申请日：2000-11-15
Applicant: BASF AG
Inventor： DEININGER JURGEN , GITZ WALTER , LUDWIG ALFONS , PIPPER GUNTER
IPC: C08J5/18 , C08G69/00 , C08G69/02 , C08G69/04 , C08G69/14 , C08G69/26 , C08G69/28 , C08G69/36 , C08G69/48 , D01F6/80
Abstract: A process for continuous production of copolyamides based on a lactam (I), a diamine (II) and a dicarboxylic acid (III) comprisesreacting 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*10 to 2.5*10 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*10 to 40*10 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*10 to 1.5*10 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, andthen extracting the polymer (VIII) with water to obtain the copolyamide.
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公开(公告)号：CZ292535B6
公开(公告)日：2003-10-15
申请号：CZ20014385
申请日：2000-06-05
Applicant: BASF AG
Inventor： MOHRSCHLADT RALF , HILDEBRANDT VOLKER , LUDWIG ALFONS
Abstract: In the present invention there is disclosed a process for producing polyamides by reacting at least one lactam and optionally further polyamide-forming monomers with aqueous monomer and oligomer extracts obtained during the extraction with water of the polymer product obtained in the production of polyamides, the water content of the reaction mixture being in the range from 0.5 to 13 percent by weight wherein the production process comprises conducting the reaction in the presence of metal oxides, beta-zeolites, sheet-silicates or silica gels, which may be doped, as heterogeneous catalysts, whereby the heterogeneous catalysts being used in the form which permits mechanical removal from the reaction mixture and are removed from the reaction mixture in the course of the polymerization or after completion thereof.
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公开(公告)号：PL352721A1
公开(公告)日：2003-09-08
申请号：PL35272100
申请日：2000-06-05
Applicant: BASF AG
Inventor： MOHRSCHLADT RALF , HILDEBRANDT VOLKER , LUDWIG ALFONS
Abstract: A process for producing polyamides by reacting at least one lactam and optionally further polyamide-forming monomers with aqueous monomer and oligomer extracts obtained during the extraction with water of the polymer product obtained in the production of polyamides, the water content of the reaction mixture being in the range from 0.5 to 13% by weight comprises conducting the reaction in the presence of metal oxides, beta-zeolites, sheet-silicates or silica gels, which may be doped, as heterogeneous catalysts, the heterogeneous catalysts being used in the form which permits mechanical removal from the reaction mixture and are removed from the reaction mixture in the course of the polymerization or after it has ended.
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公开(公告)号：ES2187826T3
公开(公告)日：2003-06-16
申请号：ES97944794
申请日：1997-08-26
Applicant: BASF AG
Inventor： WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS
Abstract: 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 35x106 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 30x106 Pa to obtain a product mixture.
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公开(公告)号：SI1034208T1
公开(公告)日：2002-12-31
申请号：SI9830167
申请日：1998-11-24
Applicant: BASF AG
Inventor： ERBES JOERG , LUDWIG ALFONS , PIPPER GUNTER
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