CN113121818B - 一种尼龙612盐的制备方法 - Google Patents
一种尼龙612盐的制备方法 Download PDFInfo
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- CN113121818B CN113121818B CN201911424119.0A CN201911424119A CN113121818B CN 113121818 B CN113121818 B CN 113121818B CN 201911424119 A CN201911424119 A CN 201911424119A CN 113121818 B CN113121818 B CN 113121818B
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- Prior art keywords
- salt
- nylon
- solution
- organic solvent
- reaction
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- 150000003839 salts Chemical class 0.000 title claims abstract description 66
- 229920000572 Nylon 6/12 Polymers 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims abstract description 64
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 39
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 99
- 239000003960 organic solvent Substances 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 16
- 150000004985 diamines Chemical class 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000012295 chemical reaction liquid Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000967 suction filtration Methods 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 abstract description 48
- 229920001778 nylon Polymers 0.000 abstract description 48
- 239000012535 impurity Substances 0.000 abstract description 9
- 239000013078 crystal Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000004886 process control Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 43
- 239000002253 acid Substances 0.000 description 31
- 235000019441 ethanol Nutrition 0.000 description 31
- 150000001412 amines Chemical class 0.000 description 14
- 239000002904 solvent Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 8
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- IZSKMARCQIBYCR-UHFFFAOYSA-N C(C)O.C(CCCCCCCCCCC(=O)O)(=O)O Chemical compound C(C)O.C(CCCCCCCCCCC(=O)O)(=O)O IZSKMARCQIBYCR-UHFFFAOYSA-N 0.000 description 3
- -1 aliphatic diamine Chemical class 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 2
- 239000007810 chemical reaction solvent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
Classifications
-
- 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
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—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
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Abstract
Description
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911424119.0A CN113121818B (zh) | 2019-12-31 | 2019-12-31 | 一种尼龙612盐的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911424119.0A CN113121818B (zh) | 2019-12-31 | 2019-12-31 | 一种尼龙612盐的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113121818A CN113121818A (zh) | 2021-07-16 |
CN113121818B true CN113121818B (zh) | 2022-08-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201911424119.0A Active CN113121818B (zh) | 2019-12-31 | 2019-12-31 | 一种尼龙612盐的制备方法 |
Country Status (1)
Country | Link |
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CN (1) | CN113121818B (zh) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1931898A (zh) * | 2005-09-17 | 2007-03-21 | 中国石化集团巴陵石油化工有限责任公司 | 一种尼龙612的制备方法 |
PL2546227T3 (pl) * | 2011-07-11 | 2016-12-30 | Sposób wytwarzania wodnego roztworu soli | |
CN104031263B (zh) * | 2013-03-08 | 2016-08-31 | 上海凯赛生物技术研发中心有限公司 | 尼龙的制造方法 |
CN105712887B (zh) * | 2014-12-01 | 2017-12-19 | 中国石油化工股份有限公司 | 一种长链尼龙盐的生产方法 |
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2019
- 2019-12-31 CN CN201911424119.0A patent/CN113121818B/zh active Active
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CN113121818A (zh) | 2021-07-16 |
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Effective date of registration: 20231025 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |
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