CN109879760A - 一种涤纶废料醇解酯化制备对苯二甲酸二辛酯的方法 - Google Patents
一种涤纶废料醇解酯化制备对苯二甲酸二辛酯的方法 Download PDFInfo
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- CN109879760A CN109879760A CN201910232161.6A CN201910232161A CN109879760A CN 109879760 A CN109879760 A CN 109879760A CN 201910232161 A CN201910232161 A CN 201910232161A CN 109879760 A CN109879760 A CN 109879760A
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- alcohol
- waste material
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- terylene waste
- isooctanol
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- OEIWPNWSDYFMIL-UHFFFAOYSA-N dioctyl benzene-1,4-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C=C1 OEIWPNWSDYFMIL-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 230000032050 esterification Effects 0.000 title claims abstract description 27
- 238000005886 esterification reaction Methods 0.000 title claims abstract description 27
- 238000006136 alcoholysis reaction Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 96
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 96
- BWDBEAQIHAEVLV-UHFFFAOYSA-N 6-methylheptan-1-ol Chemical compound CC(C)CCCCCO BWDBEAQIHAEVLV-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000004064 recycling Methods 0.000 claims abstract description 15
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 3
- 238000004140 cleaning Methods 0.000 claims description 24
- 239000012043 crude product Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 238000006386 neutralization reaction Methods 0.000 claims description 16
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 12
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- 238000007670 refining Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
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- NMRPBPVERJPACX-UHFFFAOYSA-N (3S)-octan-3-ol Natural products CCCCCC(O)CC NMRPBPVERJPACX-UHFFFAOYSA-N 0.000 claims description 2
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 claims description 2
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 2
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- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract description 10
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- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 4
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
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- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
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- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114276238A (zh) * | 2022-01-07 | 2022-04-05 | 济宁长兴塑料助剂有限公司 | 一种对苯二甲酸二异辛酯的制备方法 |
CN115850067A (zh) * | 2023-02-20 | 2023-03-28 | 山东同源环保新材料有限公司 | 一种涤纶废料制备对苯二甲酸二辛酯的方法 |
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CN101260201A (zh) * | 2008-04-16 | 2008-09-10 | 李勇 | 一种含定量对苯二甲酸二辛酯的增塑剂的制造方法 |
CN101302158A (zh) * | 2008-06-06 | 2008-11-12 | 江南大学 | 一种废聚酯资源化利用合成pvc增塑剂dotp的方法 |
CN102241592A (zh) * | 2010-05-12 | 2011-11-16 | 无棣永昕生物工程有限公司 | 利用聚酯废弃物生产对苯二甲酸二辛酯的方法 |
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CN102617352A (zh) * | 2012-03-06 | 2012-08-01 | 上海大学 | 废旧聚对苯二甲酸乙二醇酯近临界醇解制备对苯二甲酸二辛酯的方法 |
CN104557550A (zh) * | 2015-02-06 | 2015-04-29 | 山东同源环保新材料有限公司 | 一种涤纶废料醇解酯化制备对苯二甲酸二辛酯的生产方法 |
CN104610063A (zh) * | 2015-01-08 | 2015-05-13 | 宜兴市阳洋塑料助剂有限公司 | 一种新型对苯二甲酸二辛酯的制备方法 |
CN106995371A (zh) * | 2017-05-19 | 2017-08-01 | 佛山市高明晟俊塑料助剂有限公司 | 一种对苯二甲酸二辛酯的分离方法 |
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2019
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CN102241592A (zh) * | 2010-05-12 | 2011-11-16 | 无棣永昕生物工程有限公司 | 利用聚酯废弃物生产对苯二甲酸二辛酯的方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114276238A (zh) * | 2022-01-07 | 2022-04-05 | 济宁长兴塑料助剂有限公司 | 一种对苯二甲酸二异辛酯的制备方法 |
CN115850067A (zh) * | 2023-02-20 | 2023-03-28 | 山东同源环保新材料有限公司 | 一种涤纶废料制备对苯二甲酸二辛酯的方法 |
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Denomination of invention: A kind of method for preparing dioctyl terephthalate by alcoholysis esterification of polyester waste Effective date of registration: 20220819 Granted publication date: 20200929 Pledgee: Guangrao County sub branch of Postal Savings Bank of China Ltd. Pledgor: SHANDONG TONGYUAN ENVIRONMENTAL MATERIAL Co.,Ltd. Registration number: Y2022980013067 |
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