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Water-based woodware rib-expansion-preventing seal primer and preparation method thereof
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A sealing primer and woodware technology, applied in the direction of primer, coating, etc., can solve the problem of insufficient water resistance of the sealing primer
Inactive Publication Date: 2021-07-06
TAIZHOU WANSHENG PAINT CO LTD
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[0005] In order to improve the problem of insufficient water resistance of the sealing primer, the application provides a water-based wood anti-expansion tendon sealing primer and a preparation method thereof
Method used
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preparation example 1
[0048] Preparation of polyoxyethylene stearate emulsion: Add 2 parts of polyoxyethylene stearate to 400 parts of water, heat up to 100°C, stir until polyoxyethylene stearate is completely dissolved, then add 1 part of octadecyl Glyceride, and heat up to 140 ° C, stir until glyceryl caprylate is completely melted, stop heating, continue stirring, add 0.8 parts of emulsifier and 0.3 parts of polydimethylsiloxane dropwise during stirring, and cool to room temperature , to obtain polyoxyethylene stearate emulsion.
[0052] The application discloses a water-based anti-expansion tendon sealing primer for woodware. The water-based anti-expansion tendon sealing primer for woodware includes the following raw materials: acrylic emulsion, polyoxyethylene stearate emulsion, nano-alumina, film-forming aids, chitosan , wetting agent, thickener, defoamer, the content of each component is shown in the following table 1-1.
[0053] Among them, the preparation method of polyoxyethylene stearate emulsion is: add 2 parts of polyoxyethylene stearate to 400 parts of water, heat up to 100 ° C, stir until polyoxyethylene stearate is completely dissolved, and continue stirring , During the stirring process, 0.8 parts of emulsifier and 0.3 parts of polydimethylsiloxane were added dropwise, and cooled to room temperature to obtain polyoxyethylene stearate emulsion.
[0054] The preparation method of water-based woodware anti-expansion reinforcement sealing primer comprises the following steps:
[0055] Stir an...
Embodiment 2
[0057] The application discloses a water-based anti-expansion tendon sealing primer for woodware. The water-based anti-expansion tendon sealing primer for woodware includes the following raw materials: acrylic emulsion, polyoxyethylene stearate emulsion, nano-alumina, film-forming aids, chitosan , wetting agent, thickener, defoamer, the content of each component is shown in the following table 1-1.
[0058] Among them, the preparation method of polyoxyethylene stearate emulsion is: add 2 parts of polyoxyethylene stearate to 400 parts of water, heat up to 100 ° C, stir until polyoxyethylene stearate is completely dissolved, and continue stirring , During the stirring process, 0.8 parts of emulsifier and 0.3 parts of polydimethylsiloxane were added dropwise, and cooled to room temperature to obtain polyoxyethylene stearate emulsion.
[0059] The preparation method of water-based woodware anti-expansion reinforcement sealing primer comprises the following steps:
[0060] Stir an...
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Abstract
The invention relates to the field of water-based woodware seal primers, and particularly discloses a water-based woodware rib-expansion-preventing seal primer and a preparation method thereof. The water-based woodware rib-expansion-preventing seal primer is prepared from the following raw materials: an acrylic emulsion, a polyoxyethylene stearateemulsion, nano aluminum oxide, a coalescing agent, chitosan, a wetting agent, a thickening agent and a defoaming agent. The preparation method comprises the following steps: preparing a chitosan solution, mixing and stirring the polyoxyethylene stearateemulsion and the chitosan solution, then adding other raw materials, and mixing and stirring to obtain the primer. According to the water-based woodware rib-expansion-preventing seal primer, the polyoxyethylene stearate emulsion and the chitosan are adopted, the polyoxyethylene stearate has the characteristic of low foam, and the emulsion is prepared from the polyoxyethylene stearate, so the water resistance and the adhesion of the prepared emulsion are improved; and after the chitosan is added, the chitosan is used for sealing hydroxyl in the polyoxyethylene stearate emulsion, so that the water resistance of the polyoxyethylene stearate emulsion is comprehensively improved.
Description
technical field [0001] The application relates to the field of water-based wood sealing primer, more specifically, it relates to a water-based wood anti-expansion tendon sealing primer and a preparation method thereof. Background technique [0002] Water-based wood lacquer is a kind of paint with water as diluent. Because it does not contain highly carcinogenic substances such as formaldehyde and benzene, it has the advantages of safety, environmental protection and health, and is favored by people. [0003] Wood has the property of hygroscopicity. After the wood is coated with water-based wood paint, the lignin, cellulose and hemicellulose in the wood are prone to bulge after absorbing moisture, which will affect the use of wood. In order to reduce the occurrence of wood swelling, it is generally used to coat the wood surface with a sealing primer to reduce the moisture absorption of the wood. [0004] However, the water resistance of the traditional sealing primer is not ...
Claims
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