JP5312338B2 - ポリアミドの製造にコイルチューブ蒸発器を利用する方法 - Google Patents
ポリアミドの製造にコイルチューブ蒸発器を利用する方法 Download PDFInfo
- Publication number
- JP5312338B2 JP5312338B2 JP2009533795A JP2009533795A JP5312338B2 JP 5312338 B2 JP5312338 B2 JP 5312338B2 JP 2009533795 A JP2009533795 A JP 2009533795A JP 2009533795 A JP2009533795 A JP 2009533795A JP 5312338 B2 JP5312338 B2 JP 5312338B2
- Authority
- JP
- Japan
- Prior art keywords
- polyamide
- range
- phase
- reaction
- extraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920002647 polyamide Polymers 0.000 title claims abstract description 38
- 239000004952 Polyamide Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 25
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 238000000605 extraction Methods 0.000 claims abstract description 33
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229920002292 Nylon 6 Polymers 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 239000007791 liquid phase Substances 0.000 claims abstract description 19
- 239000011541 reaction mixture Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 10
- FHKPTEOFUHYQFY-UHFFFAOYSA-N 2-aminohexanenitrile Chemical compound CCCCC(N)C#N FHKPTEOFUHYQFY-UHFFFAOYSA-N 0.000 claims abstract description 7
- SLXKOJJOQWFEFD-UHFFFAOYSA-N 6-aminohexanoic acid Chemical compound NCCCCCC(O)=O SLXKOJJOQWFEFD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229960002684 aminocaproic acid Drugs 0.000 claims abstract description 7
- 239000006286 aqueous extract Substances 0.000 claims abstract description 6
- 239000012071 phase Substances 0.000 claims description 26
- 239000000243 solution Substances 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 17
- 239000000178 monomer Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000012159 carrier gas Substances 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 abstract description 3
- 239000007792 gaseous phase Substances 0.000 abstract 3
- 230000002051 biphasic effect Effects 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 33
- 150000003951 lactams Chemical class 0.000 description 12
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 8
- 239000002585 base Substances 0.000 description 7
- 239000000049 pigment Substances 0.000 description 7
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 6
- 150000001991 dicarboxylic acids Chemical class 0.000 description 5
- 239000011552 falling film Substances 0.000 description 5
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000001361 adipic acid Substances 0.000 description 4
- 235000011037 adipic acid Nutrition 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- -1 diamine salts Chemical class 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 239000002638 heterogeneous catalyst Substances 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 150000004985 diamines Chemical class 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- VHRGRCVQAFMJIZ-UHFFFAOYSA-N cadaverine Chemical compound NCCCCCN VHRGRCVQAFMJIZ-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- PWGJDPKCLMLPJW-UHFFFAOYSA-N 1,8-diaminooctane Chemical compound NCCCCCCCCN PWGJDPKCLMLPJW-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- FTVFPPFZRRKJIH-UHFFFAOYSA-N 2,2,6,6-tetramethylpiperidin-4-amine Chemical compound CC1(C)CC(N)CC(C)(C)N1 FTVFPPFZRRKJIH-UHFFFAOYSA-N 0.000 description 1
- 241001550224 Apha Species 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 208000032400 Retinal pigmentation Diseases 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910001508 alkali metal halide Inorganic materials 0.000 description 1
- 150000008045 alkali metal halides Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- YQLZOAVZWJBZSY-UHFFFAOYSA-N decane-1,10-diamine Chemical compound NCCCCCCCCCCN YQLZOAVZWJBZSY-UHFFFAOYSA-N 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- PWSKHLMYTZNYKO-UHFFFAOYSA-N heptane-1,7-diamine Chemical compound NCCCCCCCN PWSKHLMYTZNYKO-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- ZADYMNAVLSWLEQ-UHFFFAOYSA-N magnesium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[Mg+2].[Si+4] ZADYMNAVLSWLEQ-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- SXJVFQLYZSNZBT-UHFFFAOYSA-N nonane-1,9-diamine Chemical compound NCCCCCCCCCN SXJVFQLYZSNZBT-UHFFFAOYSA-N 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/02—Evaporators with heating coils
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/04—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
- C08G69/18—Anionic polymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/46—Post-polymerisation treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06122862.3 | 2006-10-24 | ||
| EP06122862 | 2006-10-24 | ||
| PCT/EP2007/061187 WO2008049786A1 (de) | 2006-10-24 | 2007-10-19 | Verwendung von wendelrohrverdampfern bei der herstellung von polyamiden |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010507701A JP2010507701A (ja) | 2010-03-11 |
| JP2010507701A5 JP2010507701A5 (enExample) | 2010-12-02 |
| JP5312338B2 true JP5312338B2 (ja) | 2013-10-09 |
Family
ID=38941907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009533795A Expired - Fee Related JP5312338B2 (ja) | 2006-10-24 | 2007-10-19 | ポリアミドの製造にコイルチューブ蒸発器を利用する方法 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US8263733B2 (enExample) |
| EP (1) | EP2084212B1 (enExample) |
| JP (1) | JP5312338B2 (enExample) |
| KR (1) | KR101444965B1 (enExample) |
| CN (1) | CN101528811B (enExample) |
| AT (1) | ATE492584T1 (enExample) |
| BR (1) | BRPI0718502B1 (enExample) |
| CA (1) | CA2666422A1 (enExample) |
| DE (1) | DE502007006056D1 (enExample) |
| ES (1) | ES2357335T3 (enExample) |
| MX (1) | MX2009004018A (enExample) |
| PL (1) | PL2084212T3 (enExample) |
| WO (1) | WO2008049786A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5661616B2 (ja) * | 2008-06-20 | 2015-01-28 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | ポリアミドペレットの多段階乾燥及び後縮合を連続的に行う方法 |
| WO2010066769A2 (de) | 2008-12-12 | 2010-06-17 | Basf Se | Verfahren zur kontinuierlichen herstellung von copolyamiden aus lactamen und salzen aus diaminen und dicarbonsäuren |
| CN101786987B (zh) * | 2010-03-23 | 2011-08-17 | 清华大学 | 一种己内酰胺萃取设备 |
| EP2682417A1 (de) * | 2012-07-06 | 2014-01-08 | Basf Se | Verfahren zur Reinigung von Polyamidteilchen |
| SI2725052T1 (sl) * | 2012-10-23 | 2019-06-28 | Uhde Inventa-Fischer Gmbh | Repolimerizacijska naprava |
| PL2725051T3 (pl) * | 2012-10-23 | 2015-08-31 | Uhde Inventa Fischer Gmbh | Ciągły sposób wytwarzania poliamidu 6 i urządzenia do tego celu |
| ES2564676T3 (es) * | 2013-03-26 | 2016-03-28 | Uhde Inventa-Fischer Gmbh | Procedimiento y dispositivo para la devolución continua de aguas de extracción en el proceso de preparación de poliamida |
| TW201502163A (zh) * | 2013-05-01 | 2015-01-16 | Invista Tech Sarl | 包含多重後段製程之聚醯胺合成 |
| CN111100287B (zh) * | 2018-10-26 | 2023-01-20 | 中国石油化工股份有限公司 | 一种生产高粘度聚酰胺的方法 |
| JP2023550514A (ja) | 2020-11-24 | 2023-12-01 | ベーアーエスエフ・エスエー | ラクタム、ジアミンおよびダイマー酸からコポリアミドを連続的に調製する方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2443566A1 (de) * | 1974-09-12 | 1976-04-01 | Basf Ag | Verfahren zum kontinuierlichen herstellen von polyamiden |
| DE3311260A1 (de) * | 1983-03-28 | 1984-10-04 | Basf Ag, 6700 Ludwigshafen | Verfahren zum kontinuierlichen eindampfen von caprolactam und dessen oligomere enthaltenden waessrigen loesungen |
| DE3710803A1 (de) | 1987-03-31 | 1988-10-20 | Basf Ag | Verfahren zur entfernung von caprolactam und dessen oligomeren aus solches enthaltendem polyamidgranulat |
| US5077381A (en) * | 1990-06-01 | 1991-12-31 | Basf Corporation | Constant compositioin recycle of nylon 6 polymerization wash water |
| DE4321683A1 (de) | 1993-06-30 | 1995-01-12 | Basf Ag | Verfahren zum kontinuierlichen Herstellen von niedermolekularen Polyamiden |
| DE19519819A1 (de) * | 1995-05-31 | 1996-12-05 | Bayer Ag | Verfahren zur Wiederverwertung von wäßrigen Extraktlösungen, die bei der Herstellung von PA 6 oder Copolyamiden anfallen |
| DE19531990A1 (de) * | 1995-08-30 | 1997-05-15 | Polymer Eng Gmbh | Verfahren zur kontinuierlichen Herstellung von Polyamid 6 unter Verwendung von Rücklactam |
| JPH09188758A (ja) * | 1995-11-06 | 1997-07-22 | Mitsubishi Chem Corp | カプロラクタムよりポリアミド樹脂を製造する方法 |
| BR9814444A (pt) * | 1997-08-28 | 2001-10-23 | Du Pont | Processo para a preparação de pré-polìmeros de poliamida, processo para a preparação de polìmero de poliamida, processo para processamento rápido de fase sólida e extração em fase de vapor de impurezas de polìmeros de poliamida e produto |
| DE19804020A1 (de) * | 1998-02-02 | 1999-08-05 | Basf Ag | Verfahren zur Herstellung von Polyamiden aus Aminonitrilen |
| DE19808190A1 (de) | 1998-02-26 | 1999-09-02 | Basf Ag | Verfahren zur Herstellung von Polyamiden |
| DE19925906A1 (de) * | 1999-06-07 | 2000-12-14 | Basf Ag | Verfahren zur Herstellung von Polyamiden aus Lactamen und Polyamid-Extrakten |
| DE19962573A1 (de) * | 1999-12-23 | 2001-07-05 | Basf Ag | Verfahren zur Herstellung von Polyamiden |
| DE10335451A1 (de) * | 2003-08-02 | 2005-03-10 | Bayer Materialscience Ag | Verfahren zur Entfernung von flüchtigen Verbindungen aus Stoffgemischen mittels Mikroverdampfer |
| JP2005162927A (ja) * | 2003-12-04 | 2005-06-23 | Mitsubishi Chemicals Corp | カプロラクタムよりポリアミド樹脂を製造する方法 |
-
2007
- 2007-10-19 KR KR1020097008273A patent/KR101444965B1/ko not_active Expired - Fee Related
- 2007-10-19 CN CN2007800397033A patent/CN101528811B/zh not_active Expired - Fee Related
- 2007-10-19 MX MX2009004018A patent/MX2009004018A/es active IP Right Grant
- 2007-10-19 WO PCT/EP2007/061187 patent/WO2008049786A1/de not_active Ceased
- 2007-10-19 JP JP2009533795A patent/JP5312338B2/ja not_active Expired - Fee Related
- 2007-10-19 AT AT07821551T patent/ATE492584T1/de active
- 2007-10-19 DE DE502007006056T patent/DE502007006056D1/de active Active
- 2007-10-19 BR BRPI0718502-2A patent/BRPI0718502B1/pt not_active IP Right Cessation
- 2007-10-19 PL PL07821551T patent/PL2084212T3/pl unknown
- 2007-10-19 EP EP07821551A patent/EP2084212B1/de active Active
- 2007-10-19 ES ES07821551T patent/ES2357335T3/es active Active
- 2007-10-19 CA CA002666422A patent/CA2666422A1/en not_active Abandoned
- 2007-10-19 US US12/446,274 patent/US8263733B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE502007006056D1 (de) | 2011-02-03 |
| KR101444965B1 (ko) | 2014-09-26 |
| KR20090083345A (ko) | 2009-08-03 |
| ATE492584T1 (de) | 2011-01-15 |
| MX2009004018A (es) | 2009-04-27 |
| ES2357335T3 (es) | 2011-04-25 |
| BRPI0718502A2 (pt) | 2013-12-03 |
| BRPI0718502B1 (pt) | 2018-06-26 |
| WO2008049786A1 (de) | 2008-05-02 |
| EP2084212A1 (de) | 2009-08-05 |
| CA2666422A1 (en) | 2008-05-02 |
| CN101528811A (zh) | 2009-09-09 |
| US20100317810A1 (en) | 2010-12-16 |
| US8263733B2 (en) | 2012-09-11 |
| EP2084212B1 (de) | 2010-12-22 |
| CN101528811B (zh) | 2012-01-18 |
| PL2084212T3 (pl) | 2011-05-31 |
| JP2010507701A (ja) | 2010-03-11 |
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