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Preparation method of nano-composite PTFE (polytetrafluoroethylene) anti-dripping agent

A technology of polytetrafluoroethylene and anti-drip agent is applied in the field of preparation of nano-composite polytetrafluoroethylene anti-drip agent, which can solve the problems of unsatisfactory stability of the anti-drip agent and achieve the effect of good stability.

Active Publication Date: 2014-03-26
CHANGSHU 3F ZHENFU NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing PTFE anti-dripping agent has unsatisfactory stability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A preparation method of nanocomposite polytetrafluoroethylene anti-dripping agent, comprising the steps of:

[0016] 1) Stir and mix 2 parts by mass of benzoyl peroxide, 1 part by mass of potassium persulfate, 4 parts by mass of ammonium persulfate and 20 parts by mass of water to prepare an initiator solution;

[0017] 2) Take 2 parts by mass of nano-hydrotalcite and 10 parts by mass of water to fully disperse and evenly through ultrasonic waves to prepare a nano-hydrotalcite solution;

[0018] 3) 7 parts by mass of maleic anhydride, 55 parts by mass of deionized water, 8 parts by mass of butyl methacrylate, 2 parts by mass of calcium carbonate, 8 parts by mass of ultrafine silica powder, 2 parts by mass of fatty alcohol polyoxyethylene Ether, 1 mass part of alkylphenol polyoxyethylene ether, 1 mass part of dodecyltrimethylammonium bromide, 2 mass parts of dodecyltrimethylammonium sulfate, 4 mass parts of fatty acid polyoxyethylene ether, 5 mass parts Add parts by mas...

Embodiment 2

[0023] A preparation method of nanocomposite polytetrafluoroethylene anti-dripping agent, comprising the steps of:

[0024] 1) Stir and mix 2 parts by mass of benzoyl peroxide, 1 part by mass of potassium persulfate, 4 parts by mass of ammonium persulfate and 20 parts by mass of water to prepare an initiator solution;

[0025] 2) Take 2 parts by mass of nano-hydrotalcite and 10 parts by mass of water to fully disperse and evenly through ultrasonic waves to prepare a nano-hydrotalcite solution;

[0026] 3) 7 parts by mass of maleic anhydride, 55 parts by mass of deionized water, 8 parts by mass of butyl methacrylate, 2 parts by mass of calcium carbonate, 8 parts by mass of ultrafine silica powder, 2 parts by mass of fatty alcohol polyoxyethylene Ether, 1 mass part of alkylphenol polyoxyethylene ether, 1 mass part of dodecyltrimethylammonium bromide, 2 mass parts of dodecyltrimethylammonium sulfate, 4 mass parts of fatty acid polyoxyethylene ether, 5 mass parts Add parts by mas...

Embodiment 3

[0031] A preparation method of nanocomposite polytetrafluoroethylene anti-dripping agent, comprising the steps of:

[0032] 1) Stir and mix 2 parts by mass of benzoyl peroxide, 1 part by mass of potassium persulfate, 4 parts by mass of ammonium persulfate and 20 parts by mass of water to prepare an initiator solution;

[0033] 2) Take 2 parts by mass of nano-hydrotalcite and 10 parts by mass of water to fully disperse and evenly through ultrasonic waves to prepare a nano-hydrotalcite solution;

[0034] 3) 7 parts by mass of maleic anhydride, 55 parts by mass of deionized water, 8 parts by mass of butyl methacrylate, 2 parts by mass of calcium carbonate, 8 parts by mass of ultrafine silica powder, 2 parts by mass of fatty alcohol polyoxyethylene Ether, 1 mass part of alkylphenol polyoxyethylene ether, 1 mass part of dodecyltrimethylammonium bromide, 2 mass parts of dodecyltrimethylammonium sulfate, 4 mass parts of fatty acid polyoxyethylene ether, 5 mass parts Add parts by mas...

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PUM

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Abstract

The invention discloses a preparation method of a nano-composite PTFE (polytetrafluoroethylene) anti-dripping agent. The preparation method comprises the following steps: 1), preparing an initiator solution; 2), preparing a nano-hydrotalcite solution; 3), adding 7 parts of maleic anhydride, 55 parts of maleic anhydride, 8 parts of butyl methacrylate, 2 parts of calcium carbonate, 8 parts of superfine silicon dioxide powder, 2 parts of primary alcobol ethoxylate, 1 part of alkylphenol ethoxylates, 1 part of dodecyl trimethyl ammonium bromide, 2 parts of dodecyl trimethyl ammonium sulfate, 4 parts of polyoxyethylene lauryl ether and 5 parts of kaolin into a reaction kettle and stirring uniformly, raising the temperature to 85 DEG C at 5 DEG C / min, and adding 15 parts of initiator solutions for one hour of a seed reaction; 4), obtaining polymer emulsion; 5), obtaining precipitate; and 6), performing centrifugal separation on the precipitate, washing an emulsifier in a system with hot water at the temperature of 75 DEG C, performing centrifugal separation again, and performing drying and grinding to obtain the anti-dripping agent. The nano-composite PTFE anti-dripping agent prepared with the method has good stability.

Description

technical field [0001] The invention relates to a preparation method of a nanocomposite polytetrafluoroethylene anti-dripping agent. Background technique [0002] The existing polytetrafluoroethylene anti-dripping agent has unsatisfactory stability. Contents of the invention [0003] The object of the present invention is to provide a preparation method of a nanocomposite polytetrafluoroethylene anti-dripping agent, the nanocomposite polytetrafluoroethylene anti-dripping agent prepared by it has good stability. [0004] In order to achieve the above object, the technical solution of the present invention is to design a kind of preparation method of nanocomposite polytetrafluoroethylene anti-dripping agent, comprising the steps: [0005] 1) Stir and mix 2 parts by mass of benzoyl peroxide, 1 part by mass of potassium persulfate, 4 parts by mass of ammonium persulfate and 20 parts by mass of water to prepare an initiator solution; [0006] 2) Take 2 parts by mass of nano-h...

Claims

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Application Information

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IPC IPC(8): C08F220/16C08F222/06C08F2/26C08F2/30C08F2/44C08F4/30C08F4/34C08K3/34C08K3/26C08K3/36C08L27/18C08L33/10
Inventor 徐建林邹建良宗建青仇峰
Owner CHANGSHU 3F ZHENFU NEW MATERIALS CO LTD
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