Fluorocarbon resin synthesis process based on pH value control

A synthesis process, fluorocarbon resin technology, applied in the field of fluorocarbon resin synthesis process, can solve the problems of unsuitability for large-scale production, low production efficiency, complicated production process, etc., to improve the single-pass conversion rate and product yield, Improve work efficiency and overcome the effect of more processes

Inactive Publication Date: 2016-06-08
吕艳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the current fluorocarbon resin synthesis process method, the process is not easy to implement, the resulting fluorocarbon resin product has low purity, low single-pass conversion rate of reactants, complex production process, low production efficiency and high cost, and is not suitable for large-scale production.

Method used

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Embodiment

[0013] The fluorocarbon resin synthesis process based on controlling the pH value of the present embodiment comprises the following steps:

[0014] (1) Add fluorine-containing olefins, enesters, enoic acids, ene ethers, epoxy resins, catalysts and initiators into the reactor in a certain proportion;

[0015] (2) Add solvent into the reaction vessel, stir and mix evenly;

[0016] (3) Adjust the temperature and pH value of the reaction system, and adjust the pH value to 9.0, and react for a period of time under a certain stirring speed;

[0017] (4) distilling the reaction mixture under certain pressure and temperature;

[0018] (5) Cool the distilled product, then dry it, and grind it into powder to obtain the target product.

[0019] The fluorocarbon resin synthesis process based on pH control does not require cumbersome post-reaction treatment, the process is simple and feasible, and it is environmentally friendly and pollution-free. The process is easy to implement, the pr...

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PUM

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Abstract

The present invention discloses a fluorocarbon resin synthesis process based on pH value control. The fluorocarbon resin synthesis process comprises: (a) adding fluorine-containing olefin, alkenyl ester, alkenyl acid, alkenyl ether, an epoxy resin, a catalyst and an initiator into a reactor according to a certain ratio; (b) adding a solvent to the reactor, stirring, and uniformly mixing; (c) adjusting the temperature and the pH value of the reaction system, and carrying out a reaction for a certain time under a certain stirring speed, wherein the pH value is adjusted to 7.0-9.0; (d) distilling the reaction mixture at a certain temperature under a certain pressure; and (e) cooling the distilled product, drying, and grinding into powder so as to obtain the target product. According to the present invention, the fluorocarbon resin can be successfully synthesized, the synthesis efficiency is high, the synthesis cost is low, and the synthesized product has the good performance; and by controlling the pH value during the reaction process, the reaction conversion rate and the product performance are improved.

Description

technical field [0001] The invention belongs to the technical field of chemical synthesis, and in particular relates to a fluorocarbon resin synthesis process based on pH value control. Background technique [0002] The synthesis process of fluorocarbon resin at least includes stirring, distillation, drying, grinding and other processes. In the current fluorocarbon resin synthesis process method, the process is not easy to implement, the resulting fluorocarbon resin product has low purity, low single-pass conversion rate of reactants, complex production process, low production efficiency and high cost, and is not suitable for large-scale production. . Contents of the invention [0003] In order to overcome the above-mentioned technical problems existing in the prior art field, the object of the present invention is to provide a fluorocarbon resin synthesis process based on controlling the pH value. The present invention not only has a simple production process and imp...

Claims

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Application Information

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IPC IPC(8): C08F283/10C08F214/18
Inventor 吕艳
Owner 吕艳
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