CN1408694A - Process for synthesizing tripentaerythritol - Google Patents
Process for synthesizing tripentaerythritol Download PDFInfo
- Publication number
- CN1408694A CN1408694A CN 02136871 CN02136871A CN1408694A CN 1408694 A CN1408694 A CN 1408694A CN 02136871 CN02136871 CN 02136871 CN 02136871 A CN02136871 A CN 02136871A CN 1408694 A CN1408694 A CN 1408694A
- Authority
- CN
- China
- Prior art keywords
- acetaldehyde
- reaction
- formaldehyde
- tripentaerythritol
- tetramethylolmethane
- 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.)
- Granted
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Yield (%) | |||
Tetramethylolmethane | Dipentaerythritol | Tripentaerythritol | |
Example 1 | ??27.09 | ??12.36 | ??24.30 |
Example 2 | ??57.99 | ??4.58 | ??7.86 |
Example 3 | ??46.22 | ??24.43 | ??29.00 |
Example 4 | ??59.22 | ??11.51 | ??29.59 |
Example 5 | ??42.21 | ??11.43 | ??36.01 |
Example 6 | ??43.76 | ??12.87 | ??39.44 |
Example 7 | ??75.30 | ??3.89 | ??3.80 |
Example 8 | ??50.36 | ??13.47 | ??20.87 |
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021368716A CN100398504C (en) | 2002-09-06 | 2002-09-06 | Process for synthesizing tripentaerythritol |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021368716A CN100398504C (en) | 2002-09-06 | 2002-09-06 | Process for synthesizing tripentaerythritol |
Publications (2)
Publication Number | Publication Date |
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CN1408694A true CN1408694A (en) | 2003-04-09 |
CN100398504C CN100398504C (en) | 2008-07-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB021368716A Expired - Fee Related CN100398504C (en) | 2002-09-06 | 2002-09-06 | Process for synthesizing tripentaerythritol |
Country Status (1)
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CN (1) | CN100398504C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109603795A (en) * | 2018-12-13 | 2019-04-12 | 万华化学集团股份有限公司 | Solid base catalyst and the production technology for preparing 4- (2- furyl)-3- butene-2 -one |
CN113845403A (en) * | 2021-11-30 | 2021-12-28 | 万华化学集团股份有限公司 | Preparation method for co-production of 2-methyl-1, 3-propylene glycol and pentaerythritol |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3791959B2 (en) * | 1996-05-08 | 2006-06-28 | 三井化学株式会社 | Method for producing dipentaerythritol |
JP3791960B2 (en) * | 1996-05-14 | 2006-06-28 | 三井化学株式会社 | Method for producing dipentaerythritol |
-
2002
- 2002-09-06 CN CNB021368716A patent/CN100398504C/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109603795A (en) * | 2018-12-13 | 2019-04-12 | 万华化学集团股份有限公司 | Solid base catalyst and the production technology for preparing 4- (2- furyl)-3- butene-2 -one |
CN109603795B (en) * | 2018-12-13 | 2022-01-07 | 万华化学集团股份有限公司 | Solid base catalyst and production process for preparing 4- (2-furyl) -3-butylene-2-ketone |
CN113845403A (en) * | 2021-11-30 | 2021-12-28 | 万华化学集团股份有限公司 | Preparation method for co-production of 2-methyl-1, 3-propylene glycol and pentaerythritol |
CN113845403B (en) * | 2021-11-30 | 2023-08-11 | 万华化学集团股份有限公司 | Preparation method for co-production of 2-methyl-1, 3-propanediol and pentaerythritol |
Also Published As
Publication number | Publication date |
---|---|
CN100398504C (en) | 2008-07-02 |
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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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Ruiyang Chemical Co., Ltd. Assignor: East China University of Science and Technology Contract fulfillment period: 2008.12.8 to 2013.12.7 contract change Contract record no.: 2009320000310 Denomination of invention: Process for synthesizing tripentaerythritol Granted publication date: 20080702 License type: Exclusive license Record date: 2009.3.10 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.8 TO 2013.12.7; CHANGE OF CONTRACT Name of requester: JIANGSU RUIYANG CHEMICAL INDUSTRY CO., LTD. Effective date: 20090310 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 Termination date: 20120906 |