CN102127177A - 一种低醇解度pva连续醇解工艺 - Google Patents
一种低醇解度pva连续醇解工艺 Download PDFInfo
- Publication number
- CN102127177A CN102127177A CN2010105438851A CN201010543885A CN102127177A CN 102127177 A CN102127177 A CN 102127177A CN 2010105438851 A CN2010105438851 A CN 2010105438851A CN 201010543885 A CN201010543885 A CN 201010543885A CN 102127177 A CN102127177 A CN 102127177A
- Authority
- CN
- China
- Prior art keywords
- alcoholysis
- methanol solution
- low
- pva
- naoh
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010105438851A CN102127177A (zh) | 2010-11-11 | 2010-11-11 | 一种低醇解度pva连续醇解工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010105438851A CN102127177A (zh) | 2010-11-11 | 2010-11-11 | 一种低醇解度pva连续醇解工艺 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102127177A true CN102127177A (zh) | 2011-07-20 |
Family
ID=44265476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010105438851A Pending CN102127177A (zh) | 2010-11-11 | 2010-11-11 | 一种低醇解度pva连续醇解工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102127177A (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103897089A (zh) * | 2014-04-01 | 2014-07-02 | 湖南省湘维有限公司 | 一种结晶状低粘度的改性聚乙烯醇及其制备方法 |
CN104017116A (zh) * | 2014-06-11 | 2014-09-03 | 天华化工机械及自动化研究设计院有限公司 | 聚乙烯醇反应装置 |
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 |
CN107298731A (zh) * | 2017-08-03 | 2017-10-27 | 安徽皖维高新材料股份有限公司 | 一种提高聚乙烯醇白度的生产方法 |
CN113631587A (zh) * | 2019-03-29 | 2021-11-09 | 三菱化学株式会社 | 聚乙烯醇系树脂、聚乙烯醇系树脂的制造方法、分散剂及悬浮聚合用分散剂 |
CN115301184A (zh) * | 2022-08-01 | 2022-11-08 | 东莞市颖兴金属表面处理材料有限公司 | 一种全自动润滑剂制备分装结构及其分装方法 |
-
2010
- 2010-11-11 CN CN2010105438851A patent/CN102127177A/zh active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103897089A (zh) * | 2014-04-01 | 2014-07-02 | 湖南省湘维有限公司 | 一种结晶状低粘度的改性聚乙烯醇及其制备方法 |
CN104017116A (zh) * | 2014-06-11 | 2014-09-03 | 天华化工机械及自动化研究设计院有限公司 | 聚乙烯醇反应装置 |
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 |
CN107298731A (zh) * | 2017-08-03 | 2017-10-27 | 安徽皖维高新材料股份有限公司 | 一种提高聚乙烯醇白度的生产方法 |
CN113631587A (zh) * | 2019-03-29 | 2021-11-09 | 三菱化学株式会社 | 聚乙烯醇系树脂、聚乙烯醇系树脂的制造方法、分散剂及悬浮聚合用分散剂 |
CN115301184A (zh) * | 2022-08-01 | 2022-11-08 | 东莞市颖兴金属表面处理材料有限公司 | 一种全自动润滑剂制备分装结构及其分装方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102127177A (zh) | 一种低醇解度pva连续醇解工艺 | |
CN102061009B (zh) | 一种利用聚氨酯废料生产多元醇的方法 | |
CN101899201B (zh) | 凹凸棒土快速结晶的pet工程塑料粒子的制备方法 | |
CN105131501A (zh) | 一种用于abs微孔发泡材料的发泡母粒及其制备方法 | |
CN1028158C (zh) | 把有机纤维填料加到弹性体中的方法 | |
CN202030868U (zh) | 纺丝用色母粒的添加系统 | |
CN106221290B (zh) | 一种无机材料表面处理技术及制备无载体母料的方法 | |
CN104877056A (zh) | 一种减少颗粒表面皮膜、提高孔隙率的聚氯乙烯树脂制备方法 | |
CN202045775U (zh) | 一种废塑料制黑母料的生产设备 | |
CN112724453A (zh) | 母粒材料、发泡母粒制备方法及工程塑料制备方法 | |
CN115090245B (zh) | 一种本体法生产阻燃型可发泡聚苯乙烯装置 | |
CN108570121A (zh) | 一种预分散橡胶助剂的高聚物载体的制备方法 | |
CN109721800A (zh) | 一种滑石粉增强hdpe复合材料及其制备方法和应用 | |
CN114749126A (zh) | 一种本体法生产可发泡聚苯乙烯装置 | |
CN113004443A (zh) | 一种聚乙烯醇快速凝胶化方法及低醇解度聚乙烯醇制备方法 | |
US10000586B2 (en) | Method for producing polyvinyl alcohol | |
CN211988529U (zh) | 一种高吸水树脂生产过程中的智能加料系统 | |
CN115246944A (zh) | 一种结构致密型抗老化聚丙烯母粒及其制备方法 | |
CN102367318A (zh) | 聚苯乙烯透明色母粒的制备方法 | |
CN106749802A (zh) | 一种高聚合度窄分布聚乙烯醇的制备方法及制备系统 | |
CN202016188U (zh) | 一种用于pva反应挤出的双螺杆挤出机组 | |
CN108659424A (zh) | 一种改性聚乙烯醇的水溶式造粒方法 | |
CN113845733B (zh) | 一种废旧橡胶胶粉填充聚丙烯共混材料及其制备方法 | |
CN106565875B (zh) | 一种连续制备可控分子量溴化聚苯乙烯母粒的方法 | |
CN217093499U (zh) | 一种低能耗本体法生产发泡聚苯乙烯装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C53 | Correction of patent for invention or patent application | ||
CB02 | Change of applicant information |
Address after: 650233, Baiyun District, Xin Ying District, Yunnan, Kunming, 69 Applicant after: Applied Technology Research Institute of Yunnan Coal Chemical Industry Applicant after: Tianhua Institute of Chemical Machinery & Automation Co., Ltd. Address before: 650233, Baiyun District, Xin Ying District, Yunnan, Kunming, 69 Applicant before: Applied Technology Research Institute of Yunnan Coal Chemical Industry Applicant before: Tianhua Chemical Machinery & Automation Research Inst. |
|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110720 |