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Preparation method of anti-dripping agent

A technology of anti-dripping agent and emulsifier, which is applied in the field of anti-dripping agent preparation, can solve the problems of difficult addition and poor dispersion of anti-dripping agent, and achieve good dispersion performance

Inactive 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] Existing anti-dripping agents have poor dispersibility, making it difficult to add

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A method for preparing an anti-dripping agent, comprising the steps of:

[0014] 1) Mix 1.2 parts by mass of acrylonitrile, 10 parts by mass of styrene, 1 part by mass of imidazoline, 2 parts by mass of dodecyltrimethylammonium chloride, 6 parts by mass of methacrylic acid, 1 part by mass of dodecyl trimethylammonium Methyl ammonium bromide, 3 parts by mass of butadiene, 7 parts by mass of butyl methacrylate, 2 parts by mass of tetramethylammonium bromide, 1 part by mass of ammonium persulfate, 5 parts by mass of methyl methacrylate, 2 parts by mass Part of azobisisoheptanonitrile, 1 mass part of benzoyl peroxide, 1 mass part of potassium persulfate, 1 mass part of dodecyl trimethylammonium sulfate, 1 mass part of azobisisobutyronitrile mixed and stirred to obtain pre-emulsion;

[0015] 2) Add 65 parts by mass of deionized water to the pre-emulsion, mix well, keep the speed at 150r / min, raise the temperature to 90°C at 5°C / min, polymerize for 12 hours, cool to room tem...

Embodiment 2

[0019] A method for preparing an anti-dripping agent, comprising the steps of:

[0020] 1) Mix 2 parts by mass of acrylonitrile, 10 parts by mass of styrene, 1 part by mass of imidazoline, 2 parts by mass of dodecyltrimethylammonium chloride, 6 parts by mass of methacrylic acid, 1 part by mass of dodecyltrimethylammonium Methyl ammonium bromide, 3 parts by mass of butadiene, 7 parts by mass of butyl methacrylate, 2 parts by mass of tetramethylammonium bromide, 1 part by mass of ammonium persulfate, 5 parts by mass of methyl methacrylate, 2 parts by mass Part of azobisisoheptanonitrile, 1 mass part of benzoyl peroxide, 1 mass part of potassium persulfate, 1 mass part of dodecyl trimethylammonium sulfate, 1 mass part of azobisisobutyronitrile mixed and stirred to obtain pre-emulsion;

[0021] 2) Add 65 parts by mass of deionized water to the pre-emulsion, mix well, keep the speed at 150r / min, raise the temperature to 90°C at 5°C / min, polymerize for 12 hours, cool to room temper...

Embodiment 3

[0025] A method for preparing an anti-dripping agent, comprising the steps of:

[0026] 1) Mix 1 part by mass of acrylonitrile, 10 parts by mass of styrene, 1 part by mass of imidazoline, 2 parts by mass of dodecyltrimethylammonium chloride, 6 parts by mass of methacrylic acid, 1 part by mass of dodecyltrimethylammonium Methyl ammonium bromide, 3 parts by mass of butadiene, 7 parts by mass of butyl methacrylate, 2 parts by mass of tetramethylammonium bromide, 1 part by mass of ammonium persulfate, 5 parts by mass of methyl methacrylate, 2 parts by mass Part of azobisisoheptanonitrile, 1 mass part of benzoyl peroxide, 1 mass part of potassium persulfate, 1 mass part of dodecyl trimethylammonium sulfate, 1 mass part of azobisisobutyronitrile mixed and stirred to obtain pre-emulsion;

[0027] 2) Add 65 parts by mass of deionized water to the pre-emulsion, mix well, keep the speed at 150r / min, raise the temperature to 90°C at 5°C / min, polymerize for 12 hours, cool to room tempera...

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PUM

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Abstract

The invention discloses a preparation method of an anti-dripping agent. The preparation method comprises the steps as follows: 1), obtaining pre-emulsion; 2), adding 65 parts by mass of deionized water into the pre-emulsion, uniformly mixing, maintaining the rotating speed of 150 r / min, increasing temperature to 90 DEG C at a speed of 5 DEG C / min, performing a polymerization reaction for 12 hours, and cooling to the room temperature to obtain polymer emulsion; 3), adding the polymer emulsion into an equivalent polytetrafluoroethylene dispersing liquid, heating and stirring to obtain precipitation; and 4), performing pressure-reduction suction filtration on the precipitation, washing off an emulsifying agent, drying and smashing to obtain the anti-dripping agent. The prepared anti-dripping agent has better dispersing performance.

Description

technical field [0001] The invention relates to a preparation method of an anti-dripping agent. Background technique [0002] The existing anti-dripping agents have poor dispersibility, making it difficult to add them. Contents of the invention [0003] The object of the present invention is to provide a method for preparing an anti-dripping agent, and the anti-dripping agent prepared by it has better dispersion performance. [0004] In order to achieve the above object, the technical solution of the present invention is to design a method for preparing an anti-dripping agent, comprising the steps of: [0005] 1) Mix 1-2 parts by mass of acrylonitrile, 10 parts by mass of styrene, 1 part by mass of imidazoline, 2 parts by mass of dodecyltrimethylammonium chloride, 6 parts by mass of methacrylic acid, and 1 part by mass of dodecane Trimethyl ammonium bromide, 3 parts by mass of butadiene, 7 parts by mass of butyl methacrylate, 2 parts by mass of tetramethylammonium bromid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F212/10C08F220/18C08F220/06C08F220/46C08F236/10C08F236/06C08F220/14C08L25/14C08L27/18
Inventor 徐建林邹建良宗建青仇峰
Owner CHANGSHU 3F ZHENFU NEW MATERIALS CO LTD