CN102827316B - 一种低结晶度聚乙烯醇的制备方法 - Google Patents
一种低结晶度聚乙烯醇的制备方法 Download PDFInfo
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- CN102827316B CN102827316B CN201210325453.2A CN201210325453A CN102827316B CN 102827316 B CN102827316 B CN 102827316B CN 201210325453 A CN201210325453 A CN 201210325453A CN 102827316 B CN102827316 B CN 102827316B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000004372 Polyvinyl alcohol Substances 0.000 title abstract description 76
- 229920002451 polyvinyl alcohol Polymers 0.000 title abstract description 76
- 238000000034 method Methods 0.000 claims abstract description 49
- 238000006136 alcoholysis reaction Methods 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 18
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000004148 unit process Methods 0.000 claims abstract description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 36
- 239000003999 initiator Substances 0.000 claims description 30
- 239000011118 polyvinyl acetate Substances 0.000 claims description 27
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 239000003513 alkali Substances 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 6
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical group C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 6
- 239000004159 Potassium persulphate Substances 0.000 claims description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 6
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 6
- 150000007530 organic bases Chemical class 0.000 claims description 6
- 150000002978 peroxides Chemical group 0.000 claims description 6
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 6
- 235000019394 potassium persulphate Nutrition 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 5
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 claims description 3
- 239000004160 Ammonium persulphate Substances 0.000 claims description 3
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 claims description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 3
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 3
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- VVWRJUBEIPHGQF-UHFFFAOYSA-N propan-2-yl n-propan-2-yloxycarbonyliminocarbamate Chemical group CC(C)OC(=O)N=NC(=O)OC(C)C VVWRJUBEIPHGQF-UHFFFAOYSA-N 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims 2
- 238000005406 washing Methods 0.000 abstract description 8
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 238000007602 hot air drying Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 abstract 3
- 239000011265 semifinished product Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 239000006166 lysate Substances 0.000 description 8
- 239000001632 sodium acetate Substances 0.000 description 6
- 229960004249 sodium acetate Drugs 0.000 description 6
- 235000017281 sodium acetate Nutrition 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000007601 warm air drying Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000005815 base catalysis Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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CN201210325453.2A CN102827316B (zh) | 2012-09-05 | 2012-09-05 | 一种低结晶度聚乙烯醇的制备方法 |
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CN102827316B true CN102827316B (zh) | 2014-11-05 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105713120A (zh) * | 2016-04-29 | 2016-06-29 | 安徽皖维高新材料股份有限公司 | 一种聚乙烯醇的粉碎方法 |
CN106084105A (zh) * | 2016-06-27 | 2016-11-09 | 梧州市嘉盈树胶有限公司 | 聚乙酸乙烯酯的制备方法 |
CN106008763A (zh) * | 2016-06-28 | 2016-10-12 | 石媛 | 聚乙酸乙烯酯的生产方法 |
CN106188354B (zh) * | 2016-08-10 | 2018-10-30 | 安徽皖维高新材料股份有限公司 | 一种具有高效分散稳定性能的聚乙烯醇分散剂的制备方法 |
CN107151283B (zh) * | 2017-05-27 | 2020-10-27 | 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 |
CN107216464B (zh) * | 2017-06-14 | 2018-06-01 | 荆州市九天化工科技有限公司 | 一种快速溶解的聚乙烯醇的制备方法 |
CN108164660B (zh) * | 2017-12-27 | 2018-11-09 | 湖南师范大学 | 聚乙烯醇材料及其制备方法 |
CN109855411A (zh) * | 2019-03-26 | 2019-06-07 | 浙江林奈新能源有限公司 | 一种用于锂离子电池正极材料生产中的前处理装置 |
CN116003670A (zh) * | 2021-10-21 | 2023-04-25 | 中国石油化工股份有限公司 | 有机碱在改善聚乙烯醇成型性中的应用 |
CN114249903A (zh) * | 2021-12-10 | 2022-03-29 | 国家电投集团氢能科技发展有限公司 | 一种***型聚合物及其制备方法和应用 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1303881A (zh) * | 2000-01-07 | 2001-07-18 | 四川大学 | 生产聚乙烯醇粒料的分流式脱除溶剂与干燥产品的方法 |
CN1626557A (zh) * | 2003-09-17 | 2005-06-15 | 可乐丽股份有限公司 | 聚乙烯醇类聚合物及其制备方法 |
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- 2012-09-05 CN CN201210325453.2A patent/CN102827316B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1303881A (zh) * | 2000-01-07 | 2001-07-18 | 四川大学 | 生产聚乙烯醇粒料的分流式脱除溶剂与干燥产品的方法 |
CN1626557A (zh) * | 2003-09-17 | 2005-06-15 | 可乐丽股份有限公司 | 聚乙烯醇类聚合物及其制备方法 |
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