CN104672494A - Method for preparing antiaging agent - Google Patents
Method for preparing antiaging agent Download PDFInfo
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- CN104672494A CN104672494A CN201410760337.2A CN201410760337A CN104672494A CN 104672494 A CN104672494 A CN 104672494A CN 201410760337 A CN201410760337 A CN 201410760337A CN 104672494 A CN104672494 A CN 104672494A
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- ageing
- resistant preparation
- preparation
- antiaging agent
- reaction
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Abstract
The invention discloses a method for preparing antiaging agent and belongs to the field of chemical preparation. The method is characterized by comprising the following steps: getting the TiO2(KH-560) powder and the deionized water, putting into a three-neck bottle to stir, and putting into an ultrasonic machine to ultrasonically process; performing water bath and adding the LAS and AN; adding an initiator after heating up to the reaction temperature; after finishing the reaction, washing the PAN and the unreacted AN by the N, N-dimethyl formamide and acetone; and putting the washed product in a vacuum drying box to dry to obtain the antiaging agent product. By means of improving the process and deploying the dosage of the reactant in the preparation process, the performance of the antiaging agent is improved and the grafting rate is greatly increased, and the antiaging agent is stable in performance and simple in preparation process and is suitable for industrial production.
Description
Technical field
the invention belongs to chemical preparation field, particularly relate to a kind of ageing-resistant preparation method.
Background technology
In the modern life, various chemicals has been deep into all respects of life, and the existence that row every profession and trade has chemicals lived by food and clothing, brings great convenience to the life of people, but brings problems to the improvement of the health and environment of people simultaneously.In recent years, along with the rapid advances of science and technology, various organic decomposable asymmetric choice net and the chemicals of environmental protection are developed and use, polypropylene (PP) has the features such as degree of crystallinity is high, compound with regular structure, good heat resistance, chemical stability are good and is widely used, but its uvioresistant performance is poor, with the poor compatibility of inorganics, cause it to be restricted in some application.
Summary of the invention
The present invention is intended to solve the problem, and provides a kind of ageing-resistant preparation method.
A kind of ageing-resistant preparation method, is characterized in that: get TiO
2(KH – 560) powder 1g, measures the deionized water of 50mL, and the there-necked flask putting into 250mL stirs 30min, then puts into ultrasonic device supersound process; Carry out water-bath and add LAS and AN; Initiator is added after being warmed up to temperature of reaction; After question response terminates, repeatedly wash away the PAN and unreacted AN by product that easily produce in reaction with N, N – dimethyl formamide and acetone; The product cleaned up is put into vacuum drying oven inner drying, just obtains TiO
2(KH – 560)-g-AN product.
The ageing-resistant preparation method of one of the present invention, is characterized in that described initiator is KPS.
The ageing-resistant preparation method of one of the present invention, is characterized in that the described reaction times is 4h.
The ageing-resistant preparation method of one of the present invention, is characterized in that the consumption of described initiator is 0.09g.
The ageing-resistant preparation method of one of the present invention, is characterized in that described bath temperature is 55 DEG C.
The ageing-resistant preparation method of one of the present invention, is characterized in that described reaction degree of being is 65 DEG C.
The ageing-resistant preparation method of one of the present invention, is characterized in that the time of described supersound process is 1h.
The ageing-resistant preparation method of one of the present invention, it is characterized in that the temperature of described loft drier is 50 DEG C, time of drying is 24h.
The ageing-resistant preparation method of one of the present invention, by the allotment of the consumption of the improvement to technique and the reactant to preparation process, makes the prepared performance of aging dose be improved, percentage of grafting significantly promotes, stable performance, and preparation technology is simple, is suitable for suitability for industrialized production.
Embodiment
A kind of ageing-resistant preparation method, is characterized in that: get TiO
2(KH – 560) powder 1g, measures the deionized water of 50mL, and the there-necked flask putting into 250mL stirs 30min, then puts into ultrasonic device supersound process; Carry out water-bath and add LAS and AN; Initiator is added after being warmed up to temperature of reaction; After question response terminates, repeatedly wash away the PAN and unreacted AN by product that easily produce in reaction with N, N – dimethyl formamide and acetone; The product cleaned up is put into vacuum drying oven inner drying, just obtains TiO
2(KH – 560)-g-AN product.
The ageing-resistant preparation method of one of the present invention, described initiator is KPS.The described reaction times is 4h.The consumption of described initiator is 0.09g.Described bath temperature is 55 DEG C.Described reaction degree of being is 65 DEG C.The time of described supersound process is 1h.The temperature of described loft drier is 50 DEG C, and time of drying is 24h.TiO after temperature reaches 300 DEG C
2(KH – 560) and TiO
2(KH – 560)-g-AN all has obvious thermal weight loss, and this is due to nano-TiO
2the KH – 560 on surface and PAN decomposes generation.TiO
2(KH – 560) particle morphology is regular, and present sub-elliptical shape, agglomeration is not obvious, has good dispersiveness, and the size-grade distribution of crystal is also relatively more even, and the less KH – 560 of particle diameter decreases nano-TiO
2the hydroxyl value on surface, reduces surface tension, so agglomeration alleviates.Particle crystal formation irregularity, size differs, and particle and particle adhesion closely, and form stacked structure, and this is different in size due to AN chain, with TiO
2(KH – 560) forms the graft reaction of macromolecular chain, result in TiO
2the crystal particle diameter of (KH – 560)-g-AN is too bigger than normal.Widely, polyacrylonitrile (PAN) has the feature such as weathering resistance and sun-resistant property to the purposes of vinyl cyanide (AN) monomer, adopts the nano-TiO organised
2grafting AN, as the anti-aging properties-correcting agent of PP, can improve its ageing resistance better.
Claims (8)
1. an ageing-resistant preparation method, is characterized in that: get TiO
2(KH – 560) powder 1g, measures the deionized water of 50mL, and the there-necked flask putting into 250mL stirs 30min, then puts into ultrasonic device supersound process; Carry out water-bath and add LAS and AN; Initiator is added after being warmed up to temperature of reaction; After question response terminates, repeatedly wash away the PAN and unreacted AN by product that easily produce in reaction with N, N – dimethyl formamide and acetone; The product cleaned up is put into vacuum drying oven inner drying, just obtains TiO
2(KH – 560)-g-AN product.
2. a kind of ageing-resistant preparation method as claimed in claim 1, is characterized in that described initiator is KPS.
3. a kind of ageing-resistant preparation method as claimed in claim 1, is characterized in that the described reaction times is 4h.
4. a kind of ageing-resistant preparation method as claimed in claim 2, is characterized in that the consumption of described initiator is 0.09g.
5. a kind of ageing-resistant preparation method as claimed in claim 1, is characterized in that described bath temperature is 55 DEG C.
6. a kind of ageing-resistant preparation method as claimed in claim 1, is characterized in that described reaction degree of being is 65 DEG C.
7. a kind of ageing-resistant preparation method as claimed in claim 1, is characterized in that the time of described supersound process is 1h.
8. a kind of ageing-resistant preparation method as claimed in claim 1, it is characterized in that the temperature of described loft drier is 50 DEG C, time of drying is 24h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410760337.2A CN104672494A (en) | 2014-12-12 | 2014-12-12 | Method for preparing antiaging agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410760337.2A CN104672494A (en) | 2014-12-12 | 2014-12-12 | Method for preparing antiaging agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104672494A true CN104672494A (en) | 2015-06-03 |
Family
ID=53308112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410760337.2A Pending CN104672494A (en) | 2014-12-12 | 2014-12-12 | Method for preparing antiaging agent |
Country Status (1)
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| CN (1) | CN104672494A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104927198A (en) * | 2015-07-07 | 2015-09-23 | 梁栌伊 | Preparation method for nano-modified polypropylene anti-aging special material |
| CN104961961A (en) * | 2015-07-07 | 2015-10-07 | 梁栌伊 | Preparation method of special nano-modified polyethylene material for resisting aging |
| CN105951203A (en) * | 2016-06-27 | 2016-09-21 | 马海燕 | Anti-aging polypropylene monofilament and production method thereof |
| CN115627029A (en) * | 2022-10-25 | 2023-01-20 | 漳州市广益塑料有限公司 | Anti-aging plastic and preparation method thereof |
-
2014
- 2014-12-12 CN CN201410760337.2A patent/CN104672494A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104927198A (en) * | 2015-07-07 | 2015-09-23 | 梁栌伊 | Preparation method for nano-modified polypropylene anti-aging special material |
| CN104961961A (en) * | 2015-07-07 | 2015-10-07 | 梁栌伊 | Preparation method of special nano-modified polyethylene material for resisting aging |
| CN104927198B (en) * | 2015-07-07 | 2017-01-25 | 台州市黄岩红运机车部件有限公司 | Preparation method for nano-modified polypropylene anti-aging special material |
| CN105951203A (en) * | 2016-06-27 | 2016-09-21 | 马海燕 | Anti-aging polypropylene monofilament and production method thereof |
| CN115627029A (en) * | 2022-10-25 | 2023-01-20 | 漳州市广益塑料有限公司 | Anti-aging plastic and preparation method thereof |
| CN115627029B (en) * | 2022-10-25 | 2024-05-28 | 漳州市广益塑料有限公司 | Ageing-resistant plastic and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150603 |
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| WD01 | Invention patent application deemed withdrawn after publication |