CN1264799C - 制备(甲基)丙烯酸的方法 - Google Patents
制备(甲基)丙烯酸的方法 Download PDFInfo
- Publication number
- CN1264799C CN1264799C CN02823402.2A CN02823402A CN1264799C CN 1264799 C CN1264799 C CN 1264799C CN 02823402 A CN02823402 A CN 02823402A CN 1264799 C CN1264799 C CN 1264799C
- Authority
- CN
- China
- Prior art keywords
- methyl
- acrylic acid
- vinylformic acid
- acid
- meth
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP362898/2001 | 2001-11-28 | ||
JP2001362898A JP2003160532A (ja) | 2001-11-28 | 2001-11-28 | (メタ)アクリル酸の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1592731A CN1592731A (zh) | 2005-03-09 |
CN1264799C true CN1264799C (zh) | 2006-07-19 |
Family
ID=19173326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN02823402.2A Expired - Lifetime CN1264799C (zh) | 2001-11-28 | 2002-11-26 | 制备(甲基)丙烯酸的方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040220427A1 (zh) |
JP (1) | JP2003160532A (zh) |
CN (1) | CN1264799C (zh) |
AU (1) | AU2002355040A1 (zh) |
WO (1) | WO2003045889A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002344613A1 (en) * | 2001-10-30 | 2003-06-10 | Mitsubishi Chemical Corporation | Method for purifying (meth)acrylic acid |
EP1688407B1 (en) * | 2003-11-28 | 2017-01-25 | Mitsubishi Chemical Corporation | Method of purifying (meth)acrylic acid |
KR100714631B1 (ko) | 2004-04-29 | 2007-05-07 | 주식회사 엘지화학 | 아크릴산의 회수 방법 |
KR100932467B1 (ko) | 2005-12-06 | 2009-12-17 | 니폰 쇼쿠바이 컴파니 리미티드 | 아크릴산의 제조방법 |
JP5715318B2 (ja) * | 2005-12-06 | 2015-05-07 | 株式会社日本触媒 | アクリル酸の製造方法 |
US8242308B2 (en) * | 2006-09-15 | 2012-08-14 | Arkema Inc. | Process for producing acrylic acid |
WO2009054688A2 (en) * | 2007-10-23 | 2009-04-30 | Lg Chem, Ltd. | Method for collecting (meth)acrylic acid and apparatus for collecting (meth)acrylic acid |
EP2275400B1 (en) * | 2008-04-27 | 2017-01-11 | Nippon Shokubai Co., Ltd. | Process for producing acrylic acid, and process for producing hydrophilic resin and process for producing water absorptive resin using the process |
CN103861310A (zh) * | 2014-04-03 | 2014-06-18 | 泰兴市裕廊化工有限公司 | 一种高纯度醋酸精馏的制备系统 |
US10968160B2 (en) * | 2016-12-22 | 2021-04-06 | Eastman Chemical Company | Separation of propionic acid from acrylic acid via azeotropic distillation |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4317926A (en) * | 1978-01-19 | 1982-03-02 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Process for preparing and recovering acrylic acid |
JPH1112222A (ja) * | 1997-06-25 | 1999-01-19 | Nippon Shokubai Co Ltd | アクリル酸の回収方法 |
DE60001867T2 (de) * | 1999-01-29 | 2004-01-22 | Mitsubishi Chemical Corp. | Verfahren zur Reinigung von Acrylsäure |
WO2000053560A1 (de) * | 1999-03-06 | 2000-09-14 | Basf Aktiengesellschaft | Verfahren zur herstellung von acrylsäure |
JP4048076B2 (ja) * | 2001-07-10 | 2008-02-13 | 株式会社日本触媒 | ミカエル型付加物の分解方法 |
-
2001
- 2001-11-28 JP JP2001362898A patent/JP2003160532A/ja active Pending
-
2002
- 2002-11-26 AU AU2002355040A patent/AU2002355040A1/en not_active Abandoned
- 2002-11-26 CN CN02823402.2A patent/CN1264799C/zh not_active Expired - Lifetime
- 2002-11-26 WO PCT/JP2002/012331 patent/WO2003045889A1/ja active Application Filing
-
2004
- 2004-05-26 US US10/853,199 patent/US20040220427A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20040220427A1 (en) | 2004-11-04 |
CN1592731A (zh) | 2005-03-09 |
JP2003160532A (ja) | 2003-06-03 |
AU2002355040A1 (en) | 2003-06-10 |
WO2003045889A1 (en) | 2003-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: MITSUBISHI CHEMICAL Corp. Address before: Tokyo, Japan Patentee before: MITSUBISHI RAYON Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170825 Address after: Tokyo, Japan Patentee after: MITSUBISHI RAYON Co.,Ltd. Address before: Tokyo, Japan Patentee before: MITSUBISHI CHEMICAL Corp. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20060719 |