Watersoluble chlorinated polypropylerie paint and method of producing the same

A chlorinated polypropylene, water-based technology, used in coatings, latex paints, etc., can solve problems such as environmental pollution, and achieve the effects of meeting environmental protection requirements, high tensile strength and strong adhesion

Inactive Publication Date: 2009-05-13
LANZHOU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The volatilization of toluene and xylene has caused environmental pollution

Method used

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Experimental program
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Embodiment Construction

[0016] The present invention can be realized by following measures:

[0017] The formula of water-based chlorinated polypropylene coating is: by mass percentage

[0018] Chlorinated polypropylene 10%~25%

[0019] Toluene 20%~30%

[0020] Sodium lauryl sulfate 0.5%~1.5%

[0021] Sulfonated castor oil 1.0%~3.0%

[0022] Deionized water 50%~60%

[0023] According to the above formula, the preparation steps of waterborne chlorinated polypropylene paint are:

[0024] (1) Add chlorinated polypropylene into the toluene solution, after the dissolution is complete, add sodium lauryl sulfate, stir to make it completely dissolved.

[0025] (2) Then pour the above solution into the first container. Dissolve sulfonated castor oil in deionized water, put it into the second container, stir, add the solution in the second container dropwise to the first container, and carry out stirring and emulsification. The emulsification time is 4 hours to obtain aqueous chlorine Polypropylene.

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PUM

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Abstract

The invention relates to a water-based chlorinated polypropylene paint and a preparation method thereof. The paint comprises the following components: 10 to 25 percent of chlorinated polypropylene, 20 to 30 percent of toluene, 0.5 to 1.5 percent of sodium dodecyl sulfate, 1.0 to 3.0 percent of sulfonated castor oil, and 50 to 60 percent of deionized water. The preparation method comprises the following steps: preparing materials according to the weight percentage, that is, firstly adding the chlorinated polypropylene into toluene solution, then adding the sodium dodecyl sulfate into the solution after the chlorinated polypropylene is fully dissolved, and stirring the mixture to dissolve the mixture fully; and then pouring the solution into a first container, dissolving the sulfonated castor oil into the deionized water, filling the solution into a second container and stirring the solution, dripping the solution in the second container into the first container, and stirring and emulsifying the solution to obtain water-based chlorinated polypropylene, wherein the emulsifying time is 4 hours.

Description

technical field [0001] The invention relates to a water-based coating for polypropylene materials and a preparation method thereof. Background technique [0002] Water-based chlorinated polypropylene paint is a practical new paint that contains less toluene solvent, is applied in the state of emulsion, and dries in the air to form a film. Because water replaces part of toluene as solvent, the pollution to the environment is reduced. [0003] The pollution of paint to the environment is mainly the emission of volatile organic compounds (VOC) into the atmosphere. VOC is photochemical in the atmosphere to generate ozone. The ozone in the upper space can block cosmic rays and protect the ecology of the earth, while the ozone in the lower space will affect the growth of organisms and human health. Therefore, reducing the VOC of coatings is one of the issues of environmental protection. The main ways to reduce VOC are: increasing the solid content of coatings; using active solve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D123/28C09D5/02
Inventor 欧玉静刘小育董雪茹崔锦峰周应萍赵霞朱照琪刘大壮
Owner LANZHOU UNIVERSITY OF TECHNOLOGY
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