CN103833937A - Fluorocarbon resin synthesis process based on control of stirring speed - Google Patents
Fluorocarbon resin synthesis process based on control of stirring speed Download PDFInfo
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- CN103833937A CN103833937A CN201210482240.0A CN201210482240A CN103833937A CN 103833937 A CN103833937 A CN 103833937A CN 201210482240 A CN201210482240 A CN 201210482240A CN 103833937 A CN103833937 A CN 103833937A
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- stirring velocity
- fluorocarbon resin
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Abstract
The invention discloses a fluorocarbon resin synthesis process based on control of a stirring speed. The synthesis process includes the steps: (a) firstly, adding fluorine-containing olefin, olefin ester, olefin acid, olefin ether, an epoxy resin, a catalyst and an initiator into a reaction vessel according to a certain proportion; (b) adding a solvent into the reaction vessel, and stirring and mixing uniformly; (c) regulating the temperature and the pH value of the reaction system, and at the stirring speed of 120-150 rpm, carrying out a reaction for a period of time; (d) distilling the reaction mixture under a certain pressure and temperature; and (e) cooling the distilled product, then drying, grinding into a powder, and thus obtaining the target product. The fluorocarbon resin can be successfully synthesized, moreover, the synthesis efficiency is high, the synthesis cost is low, and the performance of the synthesized product is good; and moreover, by controlling the stirring speed in the reaction course, the reaction conversion rate and the product performance are improved.
Description
Technical field
The present invention relates to a kind of fluorocarbon resin synthesis technique based on controlling stirring velocity.
Background technology
?fluorocarbon resin is so that firmly C-F key is as skeleton, and with other resin-phase ratios, its thermotolerance, chemical-resistant, winter hardiness, low temperature flexibility, weathering resistance and electrical property etc. are all better, and due to its good crystallinity, therefore there is not adhesion, non-wettability.Be widely used in kitchen and mess kit, moulding mould, the senior coil coating of the industrial machines such as machinery slipper, food, weaving, papermaking, application and the lining aspect of various tank classes, line of pipes, pump class, reactor, interchanger and accurate apparatus etc.
Because fluorocarbon resin is all high-melting-point (180 ~ 380 ℃), be insoluble to the solid resin of solvent, thus the dispersing coating of water or solvent made, with mode applications such as spraying, electrostatic spraying, curtain coating, roller coat, or make powder coating, with electrostatic spraying or fluidized-bed dipping application.
In the technological process of synthetic fluorocarbon resin, stirring velocity will directly have influence on reaction conversion ratio and product performance, and suitable stirring velocity of how to confirm, seems particularly important to the synthesis technique of fluorocarbon resin.
Summary of the invention
The object of the invention is to overcome the shortcoming and defect of above-mentioned prior art, a kind of fluorocarbon resin synthesis technique based on controlling stirring velocity is provided, and this technique can successfully synthesize for fluorocarbon resin, and combined coefficient is high, synthetic cost is low, the good product performance synthesizing; And by controlling the stirring velocity in reaction process, thereby reaction conversion ratio and product performance are improved.
Object of the present invention is achieved through the following technical solutions: a kind of fluorocarbon resin synthesis technique based on controlling stirring velocity, comprises the following steps:
(a) first, according to a certain percentage Fluorine containing olefine, alkene ester, olefin(e) acid, alkene ether, epoxy resin, catalyzer and initiator are added in reactor;
(b) in reaction vessel, add solvent, be uniformly mixed;
(c) temperature and the pH value of adjusting reaction system, under the stirring velocity of 120～150 revs/min, reaction for some time;
(d) reaction mixture is distilled at certain pressure and temperature;
(e) product distilling out is carried out cooling, then dry, grinds powder, obtains target product.
Describedly stir by three axle agitators.
Described solvent is alcohol ether.
Described stirring velocity is 130 revs/min.
Described stirring velocity is 140 revs/min.
Described stirring velocity is 135 revs/min.
In sum, the invention has the beneficial effects as follows: can successfully synthesize for fluorocarbon resin, and combined coefficient is high, synthetic cost is low, the good product performance synthesizing; And by controlling the stirring velocity in reaction process, thereby reaction conversion ratio and product performance are improved.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment:
A kind of fluorocarbon resin synthesis technique based on controlling stirring velocity the present invention relates to, comprises the following steps:
(a) first, according to a certain percentage Fluorine containing olefine, alkene ester, olefin(e) acid, alkene ether, epoxy resin, catalyzer and initiator are added in reactor;
(b) in reaction vessel, add solvent, be uniformly mixed;
(c) temperature and the pH value of adjusting reaction system, under the stirring velocity of 120～150 revs/min, reaction for some time;
(d) reaction mixture is distilled at certain pressure and temperature;
(e) product distilling out is carried out cooling, then dry, grinds powder, obtains target product.
Describedly stir by three axle agitators.
Described solvent is alcohol ether.
Described stirring velocity is 130 revs/min.
Described stirring velocity is 140 revs/min.
Described stirring velocity is 135 revs/min.
In the technological process of synthetic fluorocarbon resin, stirring velocity will directly have influence on reaction conversion ratio and product performance, and suitable stirring velocity of how to confirm, seems particularly important to the synthesis technique of fluorocarbon resin.In order to obtain best stirring velocity, the present invention has done the impact experiment of different stirring velocitys on reaction conversion ratio and product performance, result is known by experiment: different stirring velocitys is very large on reaction conversion ratio and product performance impact, suitably increase stirring velocity, can improve reaction conversion ratio, but, in the time that stirring velocity is brought up to certain value, increase again stirring velocity, not only can not improve reaction conversion ratio, also by reducing the performance of product, therefore after considering, stirring velocity of the present invention is defined as 120～150 revs/min, and the best is 135 revs/min.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, every foundation technical spirit of the present invention, and any simple modification, equivalent variations that above embodiment is done, within all falling into protection scope of the present invention.
Claims (6)
1. the fluorocarbon resin synthesis technique based on controlling stirring velocity, is characterized in that, comprises the following steps:
(a) first, according to a certain percentage Fluorine containing olefine, alkene ester, olefin(e) acid, alkene ether, epoxy resin, catalyzer and initiator are added in reactor;
(b) in reaction vessel, add solvent, be uniformly mixed;
(c) temperature and the pH value of adjusting reaction system, under the stirring velocity of 120～150 revs/min, reaction for some time;
(d) reaction mixture is distilled at certain pressure and temperature;
(e) product distilling out is carried out cooling, then dry, grinds powder, obtains target product.
2. according to claim 1 a kind ofly it is characterized in that based on controlling the fluorocarbon resin synthesis technique of stirring velocity, describedly stir by three axle agitators.
3. a kind of fluorocarbon resin synthesis technique based on controlling stirring velocity according to claim 1, is characterized in that, described solvent is alcohol ether.
4. a kind of fluorocarbon resin synthesis technique based on controlling stirring velocity according to claim 1, is characterized in that, described stirring velocity is 130 revs/min.
5. a kind of fluorocarbon resin synthesis technique based on controlling stirring velocity according to claim 1, is characterized in that, described stirring velocity is 140 revs/min.
6. a kind of fluorocarbon resin synthesis technique based on controlling stirring velocity according to claim 1, is characterized in that, described stirring velocity is 135 revs/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210482240.0A CN103833937A (en) | 2012-11-25 | 2012-11-25 | Fluorocarbon resin synthesis process based on control of stirring speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210482240.0A CN103833937A (en) | 2012-11-25 | 2012-11-25 | Fluorocarbon resin synthesis process based on control of stirring speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103833937A true CN103833937A (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210482240.0A Pending CN103833937A (en) | 2012-11-25 | 2012-11-25 | Fluorocarbon resin synthesis process based on control of stirring speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103833937A (en) |
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2012
- 2012-11-25 CN CN201210482240.0A patent/CN103833937A/en active Pending
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20140604 |