CN101450902A - Plasticiser amyl(2-propylheptane) phthalate - Google Patents
Plasticiser amyl(2-propylheptane) phthalate Download PDFInfo
- Publication number
- CN101450902A CN101450902A CNA2007100317204A CN200710031720A CN101450902A CN 101450902 A CN101450902 A CN 101450902A CN A2007100317204 A CNA2007100317204 A CN A2007100317204A CN 200710031720 A CN200710031720 A CN 200710031720A CN 101450902 A CN101450902 A CN 101450902A
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- CN
- China
- Prior art keywords
- ester
- phthalic acid
- propyl group
- amyl
- plasticizer
- 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.)
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Abstract
The invention provides a plasticizer which is phthalic acid amyl(2-propyl heptyl)ester. The plasticizer is prepared by a method that: phthalic anhydride is mono-esterified with 2-propyl heptyl alcohol to generate phthalic acid mono(2-propyl heptyl)ester, and in the presence of catalyst, amyl alcohol is esterified to generate the phthalic acid amyl(2-propyl heptyl)ester. The plasticizer can be used to change properties of polyvinyl chloride polymer so as to meet requirements on producing various flexible plastic products.
Description
Technical field
The invention belongs to field of chemical technology, particularly a kind of plasticizer phthalic acid penta (2-propyl group heptan) ester and synthetic method thereof that is used for polyvinyl chloride.
Technical background
Softening agent cooperates other additives such as stablizer with the polyvinyl chloride resin, and filler, toner etc. can be produced and comprise film, leatheroid, electric wire, gloves, a series of flexible plastic products such as toy.The main kind of softening agent of large-scale commercial has phthalic ester at present, trimellitate, adipic acid ester etc., and the phthalic acid two in the phthalic ester (2-ethyl oneself) ester is the most widely used softening agent in the global range, and its year, consumption was much larger than the summation of other all softening agent.Phthalic acid two (the 2-ethyl is own) ester another name dioctyl phthalate (DOP), be to produce with phthalic anhydride and 2-Ethylhexyl Alcohol esterification, 2-Ethylhexyl Alcohol is then with oxo synthesis production: be raw material with propylene and synthetic gas promptly, generate butyraldehyde-n through carbongl group synthesis reaction, two molecule butyraldehyde-ns through condensation dewater the 2-ethyl (2-) hexenoic aldehyde gets 2-Ethylhexyl Alcohol through hydrogenation again.
In recent years because in short supply as the propylene of basic chemical raw materials, 2-Ethylhexyl Alcohol and phthalic acid two (the 2-ethyl is own) ester number lattice can be in any more, so the demand of exploitation substitute products is arranged on the market.
Summary of the invention
The invention provides a kind of plasticizer phthalic acid penta (2-propyl group heptan) ester, its chemical structure and molecular weight are all close with phthalic acid two (the 2-ethyl is own) ester, and its chemical structure is as follows:
Softening agent synthetic method of the present invention is: phthalic anhydride generates phthalic acid list (2-propyl group heptan) ester with 2-propyl enanthol mono-esterification earlier, and then generates phthalic acid penta (2-propyl group heptan) ester with amylalcohol esterification in the presence of catalyzer.Reaction equation is as follows:
Amylalcohol and 2-propyl enanthol have been realized ton commercialization production at US and European with oxo synthesis: with 1-butylene and synthetic gas is raw material, generate valeraldehyde through carbongl group synthesis reaction, get amylalcohol through hydrogenation again, and two molecule valeraldehydes through condensation dewater the 2-propyl group (2-) heptenal gets the 2-propyl enanthol through hydrogenation again.And domestic 80,000 tons same device having announced that in Nanjing a cover will be gone into operation in 2011.
Since with price than the much lower cracking byproduct 1-butylene of propylene as starting raw material, phthalic acid penta (2-propyl group heptan) ester neighbour phthalic acid two (2-ethyl oneself) ester on cost has great advantage.
Embodiment
At first condenser is being housed, water trap, agitator, add 148 gram phthalic anhydrides and 166 gram 2-propyl enanthols in the reactor of thermometer, stir down heat temperature raising to 130 and ℃ react to dissolve fully and make phthalic acid list (2-propyl group heptan) ester, and then add 97 gram amylalcohols and 2 gram tetrabutyl titanates to phthalic anhydride, heat temperature raising to 150 ℃, be evacuated to 93kPa vacuum tightness, react finished double esterification in 3-4 hour after, keep 93kPa vacuum tightness heat temperature raising to 200 ℃ to remove excessive alcohol and promptly get product.
Claims (3)
- Plasticizer phthalic acid penta (2-propyl group heptan) ester, its feature comprises:1. chemical structural formula is:
- 2. its synthetic method is: phthalic anhydride generates phthalic acid list (2-propyl group heptan) ester with 2-propyl enanthol mono-esterification earlier, and then generates phthalic acid penta (2-propyl group heptan) ester with amylalcohol esterification in the presence of catalyzer.
- 3. phthalic acid penta (2-propyl group heptan) ester is as the application of softening agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100317204A CN101450902A (en) | 2007-11-28 | 2007-11-28 | Plasticiser amyl(2-propylheptane) phthalate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100317204A CN101450902A (en) | 2007-11-28 | 2007-11-28 | Plasticiser amyl(2-propylheptane) phthalate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101450902A true CN101450902A (en) | 2009-06-10 |
Family
ID=40733405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100317204A Pending CN101450902A (en) | 2007-11-28 | 2007-11-28 | Plasticiser amyl(2-propylheptane) phthalate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101450902A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225898A (en) * | 2011-05-05 | 2011-10-26 | 聊城大学 | Synthesis method of 4- nitro diheptyl phthalate |
| CN102531903A (en) * | 2011-06-08 | 2012-07-04 | 巢湖香枫塑胶助剂有限公司 | Preparation method and application of phthalic acid diester (2-propyl group heptanol) |
-
2007
- 2007-11-28 CN CNA2007100317204A patent/CN101450902A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225898A (en) * | 2011-05-05 | 2011-10-26 | 聊城大学 | Synthesis method of 4- nitro diheptyl phthalate |
| CN102531903A (en) * | 2011-06-08 | 2012-07-04 | 巢湖香枫塑胶助剂有限公司 | Preparation method and application of phthalic acid diester (2-propyl group heptanol) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Pan Yongjia Document name: Notification of Publication of the Application for Invention |
|
| DD01 | Delivery of document by public notice |
Addressee: Pan Yongjia Document name: Notification of before Expiration of Request of Examination as to Substance |
|
| DD01 | Delivery of document by public notice |
Addressee: Pan Yongjia Document name: Notification that Application Deemed to be Withdrawn |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090610 |