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Method for preparing environment-friendly waterproof fiberboard based on microcapsule

A technology of microcapsules and fiberboards, applied in the preparation of microcapsules, fiberboards, and microspheres, etc., can solve the problems of affecting the use effect, narrowing the scope of application, and insignificant waterproof effect, so as to increase the use time, slow down the release rate, and reduce the Effects that affect bond strength

Inactive Publication Date: 2015-04-08
NORTHEAST FORESTRY UNIVERSITY
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Problems solved by technology

However, if the amount of paraffin added is too small, the waterproof effect will not be significant; if a certain amount of waterproofing agent is added in order to better achieve the waterproof effect, it will have a negative impact on the bonding performance of the board and affect the later use effect. narrow its scope

Method used

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Embodiment Construction

[0024] Hereinafter, the above-mentioned and other technical features and advantages of the present invention will be described in more detail.

[0025] In the present invention, paraffin is used as the core material, gelatin is used as the wall material, a microcapsule waterproofing agent is prepared by a single coacervation method, and it is used as a filler to prepare a waterproof fiberboard, specifically as follows:

[0026] Step a, preparing microcapsules; specifically, the preparation process of microcapsules is:

[0027] Step a1, prepare wall material aqueous solution: mix a certain proportion of gelatin powder and distilled water, control in a 40°C water bath, and stir until the solid particles are completely dissolved in the aqueous solution;

[0028] Step a2, preparing core material emulsion: mix 4% OP-10 emulsifier with liquid paraffin, stir at high speed, and emulsify for 25 minutes until the emulsion is evenly dispersed;

[0029] Step a3, microcapsule wall materia...

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Abstract

The invention relates to a method for preparing an environment-friendly waterproof fiberboard based on a microcapsule. The method comprises the following steps: taking paraffin as a core material and gelatin as a wall material, preparing a microcapsule waterproof agent by adopting a single coacervation method and taking the microcapsule waterproof agent as a filler to prepare the waterproof fiberboard. According to the method for preparing the environment-friendly waterproof fiberboard based on the microcapsule, not only is the contact of the paraffin and other waterproof agents with fibers or adhesives isolated so as to achieve the effect that the bonding strength is not influenced as much as possible, but also the release rate of the waterproof agent can be retarded, so that the service life of the waterproof fiberboard with a waterproof effect is prolonged.

Description

technical field [0001] The invention relates to the field of waterproof fiberboard production, in particular to a method for preparing an environment-friendly waterproof fiberboard based on microcapsules. Background technique [0002] Most of the use environments of fiberboards have certain requirements for water resistance. At present, the waterproofing agent used in the research of fiberboard water resistance is mainly paraffin wax, which is painted on the surface of the finished board or directly added to the fiber and then stirred and hot-pressed into the board. Way. However, if the amount of paraffin added is too small, the waterproof effect will not be significant; if a certain amount of waterproofing agent is added in order to better achieve the waterproof effect, it will have a negative impact on the bonding performance of the board and affect the later use effect. narrow its scope of application. [0003] In view of the above-mentioned defects, the author of the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21J1/00D21H21/16B01J13/02
Inventor 黄平平郭明辉杜文鑫
Owner NORTHEAST FORESTRY UNIVERSITY
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