CN102731708A - 一种高醇解度聚乙烯醇的制备方法 - Google Patents
一种高醇解度聚乙烯醇的制备方法 Download PDFInfo
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- CN102731708A CN102731708A CN2012101944980A CN201210194498A CN102731708A CN 102731708 A CN102731708 A CN 102731708A CN 2012101944980 A CN2012101944980 A CN 2012101944980A CN 201210194498 A CN201210194498 A CN 201210194498A CN 102731708 A CN102731708 A CN 102731708A
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- pva
- alcoholysis
- solvent
- polyvinyl alcohol
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- 238000006136 alcoholysis reaction Methods 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000004372 Polyvinyl alcohol Substances 0.000 title abstract 8
- 229920002451 polyvinyl alcohol Polymers 0.000 title abstract 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 36
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000002904 solvent Substances 0.000 claims abstract description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003513 alkali Substances 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 5
- 239000012467 final product Substances 0.000 claims description 2
- 238000004148 unit process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 238000007127 saponification reaction Methods 0.000 abstract description 7
- 238000001035 drying Methods 0.000 abstract description 5
- 239000003054 catalyst Substances 0.000 abstract description 4
- 238000006116 polymerization reaction Methods 0.000 abstract description 4
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 abstract description 3
- 239000001632 sodium acetate Substances 0.000 abstract description 3
- 235000017281 sodium acetate Nutrition 0.000 abstract description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract 3
- 238000005815 base catalysis Methods 0.000 abstract 2
- 239000000047 product Substances 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 206010013786 Dry skin Diseases 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000967 suction filtration Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 3
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920002978 Vinylon Polymers 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- -1 tamanori Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 210000000981 epithelium Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210194498.0A CN102731708B (zh) | 2012-06-13 | 2012-06-13 | 一种高醇解度聚乙烯醇的制备方法 |
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CN201210194498.0A CN102731708B (zh) | 2012-06-13 | 2012-06-13 | 一种高醇解度聚乙烯醇的制备方法 |
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CN102731708A true CN102731708A (zh) | 2012-10-17 |
CN102731708B CN102731708B (zh) | 2014-02-19 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103554314A (zh) * | 2013-11-08 | 2014-02-05 | 安徽皖维集团有限责任公司 | 一种高纯度聚乙烯醇的生产方法 |
CN104098733A (zh) * | 2013-04-11 | 2014-10-15 | 中国石油化工集团公司 | 一种乙烯醋酸乙烯聚合物的醇解方法 |
CN105906826A (zh) * | 2016-04-27 | 2016-08-31 | 安徽皖维高新材料股份有限公司 | 一种差别化聚乙烯醇薄膜的连续化生产方法 |
CN106279479A (zh) * | 2015-06-09 | 2017-01-04 | 中国石油化工集团公司 | 一种提高产品聚乙烯醇醇解度的方法 |
CN107151283A (zh) * | 2017-05-27 | 2017-09-12 | 中国石油化工集团公司 | 一种光学材料专用聚乙烯醇的制备方法 |
CN114276478A (zh) * | 2021-12-31 | 2022-04-05 | 内蒙古双欣高分子材料技术研究院有限公司 | 一种高醇解度聚乙烯醇的制备方法及装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1403641A (zh) * | 2002-10-14 | 2003-03-19 | 中国石油化工集团公司 | 水溶性聚乙烯醇纤维及其制备方法和用途 |
EP1724288A1 (de) * | 2005-05-18 | 2006-11-22 | Wacker Polymer Systems GmbH & Co. KG | Verfahren zur Herstellung von kationischen Polyvinylacetalen |
EP1763544A1 (de) * | 2004-07-01 | 2007-03-21 | Wacker Polymer Systems GmbH & Co. KG | Weich-modifizierte polyvinylacetalharze |
CN102031572A (zh) * | 2009-09-30 | 2011-04-27 | 中国石油化工集团公司 | 一种水溶性聚乙烯醇纤维的制备工艺及其应用 |
-
2012
- 2012-06-13 CN CN201210194498.0A patent/CN102731708B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1403641A (zh) * | 2002-10-14 | 2003-03-19 | 中国石油化工集团公司 | 水溶性聚乙烯醇纤维及其制备方法和用途 |
EP1763544A1 (de) * | 2004-07-01 | 2007-03-21 | Wacker Polymer Systems GmbH & Co. KG | Weich-modifizierte polyvinylacetalharze |
EP1724288A1 (de) * | 2005-05-18 | 2006-11-22 | Wacker Polymer Systems GmbH & Co. KG | Verfahren zur Herstellung von kationischen Polyvinylacetalen |
CN102031572A (zh) * | 2009-09-30 | 2011-04-27 | 中国石油化工集团公司 | 一种水溶性聚乙烯醇纤维的制备工艺及其应用 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104098733A (zh) * | 2013-04-11 | 2014-10-15 | 中国石油化工集团公司 | 一种乙烯醋酸乙烯聚合物的醇解方法 |
CN103554314A (zh) * | 2013-11-08 | 2014-02-05 | 安徽皖维集团有限责任公司 | 一种高纯度聚乙烯醇的生产方法 |
CN103554314B (zh) * | 2013-11-08 | 2015-12-02 | 安徽皖维集团有限责任公司 | 一种高纯度聚乙烯醇的生产方法 |
CN106279479A (zh) * | 2015-06-09 | 2017-01-04 | 中国石油化工集团公司 | 一种提高产品聚乙烯醇醇解度的方法 |
CN105906826A (zh) * | 2016-04-27 | 2016-08-31 | 安徽皖维高新材料股份有限公司 | 一种差别化聚乙烯醇薄膜的连续化生产方法 |
CN107151283A (zh) * | 2017-05-27 | 2017-09-12 | 中国石油化工集团公司 | 一种光学材料专用聚乙烯醇的制备方法 |
CN114276478A (zh) * | 2021-12-31 | 2022-04-05 | 内蒙古双欣高分子材料技术研究院有限公司 | 一种高醇解度聚乙烯醇的制备方法及装置 |
CN114276478B (zh) * | 2021-12-31 | 2024-02-02 | 内蒙古双欣高分子材料技术研究院有限公司 | 一种高醇解度聚乙烯醇的制备方法及装置 |
Also Published As
Publication number | Publication date |
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CN102731708B (zh) | 2014-02-19 |
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Owner name: ANHUI WANWEI MEMBRANE MATERIAL CO., LTD. Free format text: FORMER OWNER: ANHUI WANWEI GROUP CO., LTD. Effective date: 20140514 |
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Free format text: CORRECT: ADDRESS; FROM: 238002 HEFEI, ANHUI PROVINCE TO: 238002 CHAOHU, ANHUI PROVINCE |
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Effective date of registration: 20140514 Address after: 238002 Anhui city of Chaohu province No. 56 nest way Patentee after: ANHUI WANWEI GROUP Co.,Ltd. Address before: 238002 Anhui city of Hefei province Chaohu City No. 56 nest way Patentee before: ANHUI WANWEI GROUP Co.,Ltd. |
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Effective date of registration: 20231117 Address after: No. 56 Chaowei Road, Chaohu City, Hefei City, Anhui Province, 238001 Patentee after: ANHUI WANWEI UPDATED HIGH-TECH MATERIAL INDUSTRY Co.,Ltd. Address before: 238002 Anhui city of Chaohu province No. 56 nest way Patentee before: ANHUI WANWEI GROUP Co.,Ltd. |
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