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Quick self-drying modified raw lacquer and preparation method thereof

A technology of raw lacquer and dry modification, applied in coatings, natural resin coatings, etc., to solve the problem of slow drying speed, improve pencil hardness, and simple preparation process

Active Publication Date: 2015-04-08
利川市德隆生漆科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are no literatures and patent applications for modifying the emulsion phase structure of raw lacquer with reactive emulsifiers to improve the film performance of raw lacquer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1: Lauryl alcohol polyoxyethylene ether maleate monoester reactive emulsifier [n(EO)=5] is added to the raw lacquer emulsion at a ratio of 1.0% by mass, and stirred at a speed of 1500 rpm with an electric stirrer After dispersing for 20 minutes, a quick self-drying modified raw lacquer is obtained.

Embodiment 2

[0017] Example 2: Lauryl alcohol polyoxyethylene ether maleate monoester reactive emulsifier [n(EO)=15] is added to the raw lacquer emulsion at a ratio of 5.0% by mass, and homogenized once using a high-pressure homogenizer , that is, a rapid self-drying modified raw lacquer is obtained.

Embodiment 3

[0018] Example 3: Add stearyl alcohol polyoxyethylene ether maleate monoester reactive emulsifier [n(EO)=9] into the raw lacquer emulsion at a ratio of 15.0% by mass, and use a ball mill to mill for 15 minutes. Obtain fast self-drying modified raw lacquer.

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PUM

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Abstract

The invention relates to a quick self-drying modified raw lacquer and a preparation method thereof. The modified raw lacquer is prepared by adding reactive emulsifiers of different types into a raw lacquer emulsion and uniformly dispersing, wherein the reactive emulsifiers account for 1.0-15.0% by mass of the modified raw lacquer. The preparation method provided by the invention is simple in process, easy to operate and free of pollution. The obtained product can be stably stored, and the film performance is remarkably improved. Not only is the drying time remarkably shortened, but also the physical and mechanical properties of the film such as pencil hardness, glossiness and flexibility and the like are remarkably improved. The product is green and environment-friendly and can be widely applied to coating industrial equipment, cultural relics and apparatuses and living accessories.

Description

technical field [0001] The invention belongs to the field of natural polymer coatings, in particular to a rapid self-drying modified raw lacquer and a preparation method thereof. Background technique [0002] Raw lacquer is a milky white colloidal liquid secreted from the phloem of lacquer trees through artificial cutting with a knife edge. It is the only natural polymer composite coating in the world that is catalyzed by biological enzymes and cured at room temperature to form a film. After the raw lacquer is formed into a film, it has excellent properties such as hard and bright, wear-resistant, heat-resistant, corrosion-resistant, super durable, water-proof and good insulation. It is known as the "king of coatings". It is incomparable to it, and has gradually become an important raw material in the fields of industry, agriculture, science and technology, and civil use. However, although raw lacquer, as a natural renewable resource, has excellent performance and is enviro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D193/00C09D7/12
CPCC08K5/11C08K5/42C09D7/63C09D193/00C08L71/02
Inventor 杨建红邓建平
Owner 利川市德隆生漆科技有限责任公司
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