CN102775333B - 一种利用硫氨酯尾液制造巯基乙酸异辛酯的方法 - Google Patents
一种利用硫氨酯尾液制造巯基乙酸异辛酯的方法 Download PDFInfo
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- CN102775333B CN102775333B CN201210267570.8A CN201210267570A CN102775333B CN 102775333 B CN102775333 B CN 102775333B CN 201210267570 A CN201210267570 A CN 201210267570A CN 102775333 B CN102775333 B CN 102775333B
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- Prior art keywords
- extraction
- thiourethane
- tail washings
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- isooctyl mercaptoacetate
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- 239000007788 liquid Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 23
- IUNVCWLKOOCPIT-UHFFFAOYSA-N 6-methylheptylsulfanyl 2-hydroxyacetate Chemical compound CC(C)CCCCCSOC(=O)CO IUNVCWLKOOCPIT-UHFFFAOYSA-N 0.000 title description 14
- 238000000605 extraction Methods 0.000 claims abstract description 36
- 150000002148 esters Chemical class 0.000 claims abstract description 20
- 238000004821 distillation Methods 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- RZBBHEJLECUBJT-UHFFFAOYSA-N 6-methylheptyl 2-sulfanylacetate Chemical compound CC(C)CCCCCOC(=O)CS RZBBHEJLECUBJT-UHFFFAOYSA-N 0.000 claims abstract description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 3
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 claims description 17
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims description 9
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 claims description 7
- BWDBEAQIHAEVLV-UHFFFAOYSA-N 6-methylheptan-1-ol Chemical compound CC(C)CCCCCO BWDBEAQIHAEVLV-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 5
- 150000001555 benzenes Chemical class 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 238000013517 stratification Methods 0.000 claims description 5
- WDCYWAQPCXBPJA-UHFFFAOYSA-N 1,3-dinitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC([N+]([O-])=O)=C1 WDCYWAQPCXBPJA-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims 8
- 239000012530 fluid Substances 0.000 claims 5
- 238000001577 simple distillation Methods 0.000 claims 2
- 239000003039 volatile agent Substances 0.000 claims 2
- 238000013019 agitation Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 18
- 230000020477 pH reduction Effects 0.000 abstract description 18
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract description 11
- 238000004042 decolorization Methods 0.000 abstract description 4
- 238000005886 esterification reaction Methods 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 2
- 238000013329 compounding Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000004064 recycling Methods 0.000 description 8
- 239000003377 acid catalyst Substances 0.000 description 5
- 229940092714 benzenesulfonic acid Drugs 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- -1 isooctyl ester Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
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CN201210267570.8A CN102775333B (zh) | 2012-07-31 | 2012-07-31 | 一种利用硫氨酯尾液制造巯基乙酸异辛酯的方法 |
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CN201210267570.8A CN102775333B (zh) | 2012-07-31 | 2012-07-31 | 一种利用硫氨酯尾液制造巯基乙酸异辛酯的方法 |
Publications (2)
Publication Number | Publication Date |
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CN102775333A CN102775333A (zh) | 2012-11-14 |
CN102775333B true CN102775333B (zh) | 2014-07-16 |
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CN201210267570.8A Active CN102775333B (zh) | 2012-07-31 | 2012-07-31 | 一种利用硫氨酯尾液制造巯基乙酸异辛酯的方法 |
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CN (1) | CN102775333B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105237449A (zh) * | 2015-11-09 | 2016-01-13 | 青岛联拓化工有限公司 | 用生产o-烷基-n-烷基硫逐氨基甲酸酯的尾液制备高浓度巯基乙酸的方法 |
CN105753649B (zh) * | 2016-04-18 | 2018-01-05 | 南京师范大学 | 一种从巯基乙酸异辛酯生产过程的废溶剂中回收异辛醇的方法 |
CN111689884B (zh) * | 2020-07-24 | 2021-12-17 | 青岛联拓化工有限公司 | 利用硫氨酯尾液制备巯基乙酸钠临界饱和水溶液的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2652811B1 (fr) * | 1989-10-06 | 1993-12-24 | Elf Aquitaine Ste Nale | Synthese continue d'esters d'acides mercaptocarboxyliques. |
CN1040978C (zh) * | 1994-05-25 | 1998-12-02 | 沈阳矿冶研究所 | 用生产硫氨酯的含巯基乙酸尾液制备巯基乙酸异辛酯 |
CN101665455B (zh) * | 2009-09-27 | 2012-08-08 | 潍坊加华化工有限公司 | 用生产o-烷基-n-烷基硫逐氨基甲酸酯的尾液制备巯基乙酸异辛酯的方法 |
CN102229549B (zh) * | 2011-05-16 | 2013-11-06 | 潍坊益华化工有限公司 | 一种巯基乙酸异辛酯的制备方法 |
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- 2012-07-31 CN CN201210267570.8A patent/CN102775333B/zh active Active
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Denomination of invention: A method for producing isooctyl mercaptoacetate from tail liquid of thiourethane Effective date of registration: 20211207 Granted publication date: 20140716 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: YANTAI HUMON CHEMICAL AUXILIARY CO.,LTD. Registration number: Y2021980014207 |
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Granted publication date: 20140716 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: YANTAI HUMON CHEMICAL AUXILIARY CO.,LTD. Registration number: Y2021980014207 |
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