CN102964599A - 一种合成聚苯硫醚树脂溶剂体系的脱水工艺 - Google Patents
一种合成聚苯硫醚树脂溶剂体系的脱水工艺 Download PDFInfo
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- CN102964599A CN102964599A CN2012104718799A CN201210471879A CN102964599A CN 102964599 A CN102964599 A CN 102964599A CN 2012104718799 A CN2012104718799 A CN 2012104718799A CN 201210471879 A CN201210471879 A CN 201210471879A CN 102964599 A CN102964599 A CN 102964599A
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103241716A (zh) * | 2013-04-22 | 2013-08-14 | 中国石油化工股份有限公司 | 一种合成聚苯硫醚用结晶硫化钠脱水的加热控制方法 |
CN103819676A (zh) * | 2014-03-11 | 2014-05-28 | 德阳科吉高新材料有限责任公司 | 一种不添加任何合成助剂的聚苯硫醚树脂工业合成工艺 |
CN103819675A (zh) * | 2014-03-11 | 2014-05-28 | 德阳科吉高新材料有限责任公司 | 一种不添加任何助剂的聚苯硫醚树脂工业合成工艺 |
CN104262623A (zh) * | 2014-08-28 | 2015-01-07 | 天津普莱化工技术有限公司 | 聚苯硫醚原料结晶硫化钠减压精馏脱水工艺方法 |
CN108147372A (zh) * | 2017-12-05 | 2018-06-12 | 宜宾天原集团股份有限公司 | 聚苯硫醚生产中硫化钠反应前体的制备方法 |
CN109535425A (zh) * | 2018-11-27 | 2019-03-29 | 德阳科吉高新材料有限责任公司 | 一种聚苯硫醚树脂生产工艺 |
CN110204723A (zh) * | 2019-07-02 | 2019-09-06 | 西北师范大学 | 一种耐热性聚苯硫醚的制备方法 |
CN110294844A (zh) * | 2019-05-22 | 2019-10-01 | 四川中科兴业高新材料有限公司 | 一种控制水含量合成高分子量聚苯硫醚的方法 |
CN110484289A (zh) * | 2019-09-24 | 2019-11-22 | 济宁黑猫炭黑有限责任公司 | 一种焦油负压脱水系统和方法 |
CN111171320A (zh) * | 2020-02-13 | 2020-05-19 | 四川明道和化学新材料有限公司 | 去催化剂聚苯硫醚树脂的生产方法 |
CN115960354A (zh) * | 2022-12-30 | 2023-04-14 | 四川大学 | 一种聚芳醚的纯化方法及高纯度聚芳醚 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1454918A (zh) * | 2002-04-29 | 2003-11-12 | 自贡鸿鹤化工股份有限公司 | 聚苯硫醚生产中的釜内脱水方法 |
JP2004107567A (ja) * | 2002-09-20 | 2004-04-08 | Dainippon Ink & Chem Inc | ポリアリーレンスルフィドの製造方法 |
US20080103271A1 (en) * | 2005-02-22 | 2008-05-01 | Chevron Phillips Chemical Company, Lp | Inferred Water Analysis in Polyphenylene Sulfide Production |
CN102134319A (zh) * | 2011-02-25 | 2011-07-27 | 四川得阳化学有限公司 | 低氯薄膜级聚苯硫醚树脂的合成工艺 |
CN102432879A (zh) * | 2011-08-11 | 2012-05-02 | 深圳市宝力特科技有限公司 | 一种聚苯硫醚树脂合成工艺中的多水硫化钠脱水工艺 |
CN102477158A (zh) * | 2010-11-23 | 2012-05-30 | 大连创达技术交易市场有限公司 | 硫化氢回收方法 |
CN102675640A (zh) * | 2011-03-18 | 2012-09-19 | 四川得阳工程塑料开发有限公司 | 聚苯硫醚生产合成工艺条件控制方法 |
-
2012
- 2012-11-20 CN CN201210471879.9A patent/CN102964599B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1454918A (zh) * | 2002-04-29 | 2003-11-12 | 自贡鸿鹤化工股份有限公司 | 聚苯硫醚生产中的釜内脱水方法 |
JP2004107567A (ja) * | 2002-09-20 | 2004-04-08 | Dainippon Ink & Chem Inc | ポリアリーレンスルフィドの製造方法 |
US20080103271A1 (en) * | 2005-02-22 | 2008-05-01 | Chevron Phillips Chemical Company, Lp | Inferred Water Analysis in Polyphenylene Sulfide Production |
CN102477158A (zh) * | 2010-11-23 | 2012-05-30 | 大连创达技术交易市场有限公司 | 硫化氢回收方法 |
CN102134319A (zh) * | 2011-02-25 | 2011-07-27 | 四川得阳化学有限公司 | 低氯薄膜级聚苯硫醚树脂的合成工艺 |
CN102675640A (zh) * | 2011-03-18 | 2012-09-19 | 四川得阳工程塑料开发有限公司 | 聚苯硫醚生产合成工艺条件控制方法 |
CN102432879A (zh) * | 2011-08-11 | 2012-05-02 | 深圳市宝力特科技有限公司 | 一种聚苯硫醚树脂合成工艺中的多水硫化钠脱水工艺 |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103241716A (zh) * | 2013-04-22 | 2013-08-14 | 中国石油化工股份有限公司 | 一种合成聚苯硫醚用结晶硫化钠脱水的加热控制方法 |
CN103819676A (zh) * | 2014-03-11 | 2014-05-28 | 德阳科吉高新材料有限责任公司 | 一种不添加任何合成助剂的聚苯硫醚树脂工业合成工艺 |
CN103819675A (zh) * | 2014-03-11 | 2014-05-28 | 德阳科吉高新材料有限责任公司 | 一种不添加任何助剂的聚苯硫醚树脂工业合成工艺 |
CN103819676B (zh) * | 2014-03-11 | 2016-06-01 | 德阳科吉高新材料有限责任公司 | 一种不添加任何合成助剂的聚苯硫醚树脂工业合成工艺 |
CN103819675B (zh) * | 2014-03-11 | 2016-08-17 | 德阳科吉高新材料有限责任公司 | 一种不添加任何助剂的聚苯硫醚树脂工业合成工艺 |
CN104262623A (zh) * | 2014-08-28 | 2015-01-07 | 天津普莱化工技术有限公司 | 聚苯硫醚原料结晶硫化钠减压精馏脱水工艺方法 |
CN108147372A (zh) * | 2017-12-05 | 2018-06-12 | 宜宾天原集团股份有限公司 | 聚苯硫醚生产中硫化钠反应前体的制备方法 |
CN109535425B (zh) * | 2018-11-27 | 2021-03-30 | 德阳科吉高新材料有限责任公司 | 一种聚苯硫醚树脂生产工艺 |
CN109535425A (zh) * | 2018-11-27 | 2019-03-29 | 德阳科吉高新材料有限责任公司 | 一种聚苯硫醚树脂生产工艺 |
CN110294844A (zh) * | 2019-05-22 | 2019-10-01 | 四川中科兴业高新材料有限公司 | 一种控制水含量合成高分子量聚苯硫醚的方法 |
CN110294844B (zh) * | 2019-05-22 | 2022-03-18 | 四川中科兴业高新材料有限公司 | 一种控制水含量合成高分子量聚苯硫醚的方法 |
CN110204723A (zh) * | 2019-07-02 | 2019-09-06 | 西北师范大学 | 一种耐热性聚苯硫醚的制备方法 |
CN110484289A (zh) * | 2019-09-24 | 2019-11-22 | 济宁黑猫炭黑有限责任公司 | 一种焦油负压脱水系统和方法 |
CN111171320A (zh) * | 2020-02-13 | 2020-05-19 | 四川明道和化学新材料有限公司 | 去催化剂聚苯硫醚树脂的生产方法 |
CN111171320B (zh) * | 2020-02-13 | 2022-05-06 | 四川明道和化学新材料有限公司 | 去催化剂聚苯硫醚树脂的生产方法 |
CN115960354A (zh) * | 2022-12-30 | 2023-04-14 | 四川大学 | 一种聚芳醚的纯化方法及高纯度聚芳醚 |
CN115960354B (zh) * | 2022-12-30 | 2024-05-24 | 四川大学 | 一种聚芳醚的纯化方法及高纯度聚芳醚 |
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