CN115197354B - 一种低压聚合eva溶剂循环使用的方法及系统 - Google Patents
一种低压聚合eva溶剂循环使用的方法及系统 Download PDFInfo
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- CN115197354B CN115197354B CN202210868381.XA CN202210868381A CN115197354B CN 115197354 B CN115197354 B CN 115197354B CN 202210868381 A CN202210868381 A CN 202210868381A CN 115197354 B CN115197354 B CN 115197354B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
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CN116003661A (zh) * | 2022-12-08 | 2023-04-25 | 云南正邦科技有限公司 | 一种制备高乙烯含量的eva共聚物的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0349925A (ja) * | 1989-07-17 | 1991-03-04 | Sumitomo Chem Co Ltd | 熱可塑性重合体組成物の脱揮押出方法 |
CN101838354A (zh) * | 2009-03-20 | 2010-09-22 | 中国石油化工股份有限公司 | 一种芳香族乙烯基类聚合物脱挥方法 |
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US8080610B2 (en) * | 2007-03-06 | 2011-12-20 | Exxonmobil Research And Engineering Company | Monomer recycle process for fluid phase in-line blending of polymers |
JP5140117B2 (ja) * | 2010-07-08 | 2013-02-06 | 住友化学株式会社 | (メタ)アクリル系重合体用の脱揮押出機、並びに、それを用いた重合体組成物の脱揮押出方法及び(メタ)アクリル系重合体の製造方法 |
EP2746305A1 (en) * | 2012-12-20 | 2014-06-25 | Basell Polyolefine GmbH | Process for copolymerizing ethylene and esters of vinyl alcohol |
SG11201811485UA (en) * | 2016-08-31 | 2019-03-28 | Exxonmobil Chemical Patents Inc | Spiral heat exchanger as a preheater in polymer devolatilization processes |
CN113980158B (zh) * | 2021-10-19 | 2025-03-21 | 中国石油化工股份有限公司 | 一种低压条件下epva聚合以及撤热设备 |
CN114272878B (zh) * | 2021-12-29 | 2024-02-13 | 万华化学集团股份有限公司 | 一种脱挥进料二合一装置、溶液聚合装置、聚合方法 |
CN114230700B (zh) * | 2022-01-07 | 2022-10-04 | 云南正邦科技有限公司 | 一种中低压溶液聚合制备高乙烯含量eva共聚物的方法 |
CN114471407B (zh) * | 2022-01-27 | 2022-12-20 | 云南正邦科技有限公司 | 多重釜式-管式的串-并联连续聚合生产eva的生产系统及方法 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0349925A (ja) * | 1989-07-17 | 1991-03-04 | Sumitomo Chem Co Ltd | 熱可塑性重合体組成物の脱揮押出方法 |
CN101838354A (zh) * | 2009-03-20 | 2010-09-22 | 中国石油化工股份有限公司 | 一种芳香族乙烯基类聚合物脱挥方法 |
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Granted publication date: 20230210 Pledgee: Kunming Branch of China Minsheng Bank Co.,Ltd. Pledgor: YUNNAN ZHENGBANG TECHNOLOGY CO.,LTD. Registration number: Y2023530000069 |
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Denomination of invention: A method and system for recycling low-pressure polymerized EVA solvent Granted publication date: 20230210 Pledgee: Agricultural Bank of China Co.,Ltd. Kunming Dianchi National Tourism Resort Branch Pledgor: YUNNAN ZHENGBANG TECHNOLOGY CO.,LTD. Registration number: Y2024530000026 |
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