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Preparation method of sprayable colored raw lacquer

A raw lacquer and color technology, applied in the field of preparation of sprayable color raw lacquer, can solve problems such as the inability to meet the requirements of modern furniture industrialization, affecting the upgrading and sustainable development of the lacquer industry, and the complexity of the lacquer process production process, so as to improve production efficiency. , the effect of diversification of colors and great toughness

Inactive Publication Date: 2015-10-07
NANJING FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the output of raw lacquer is small, the production conditions are harsh, the cycle is long and the cost is high; on the other hand, the production process of lacquerware is complicated and technically difficult, and it is difficult to mass produce
These problems have seriously affected the upgrading and sustainable development of my country's lacquer industry, and cannot meet the requirements of industrialized output of modern furniture production at all.

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0022] The preparation method of sprayable color raw lacquer comprises the steps:

[0023] 1) First, separate and extract urushiol from paints produced in Ankang lacquer, Hanzhong lacquer, Chengkou lacquer, Maoba lacquer, Qinling lacquer or other areas, then heat the urushiol solution to 60°C~100°C, and add the formulated amount of cyclo Oxygen compounds and catalysts are synthesized for 2 to 6 hours, and after the reaction is completed, the temperature is raised for dehydration;

[0024] 2) After dehydration, wait for the temperature of the reactant to drop to 110°C;

[0025] 3) Add zircoaluminate coupling agent and absolute ethanol to make a 0.3~2% solution, add metal powder, ultrasonically disperse for 30 minutes, and dry in an oven for 3~6 hours to obtain metal modified by zircoaluminate coupling agent. powder;

[0026] 4) Blend the metal powder modified by the zircoaluminate coupling agent in the formula amount with the diluent to obtain a blended solution,

[0027] 5)...

Embodiment 1

[0033] In the preparation method of the sprayable color raw lacquer of the present embodiment, the mass percent of each component is as follows:

[0034] component name Mass percentage (%) urushiol 35 Epichlorohydrin 2.5 ammonium chloride 2.5 coupling agent 1 Aluminum powder 2 ethanol 19 Methanol 38

[0035] According to the above mass ratio formula, the urushiol is selected to be extracted from one or more paints produced in Ankang paint, Hanzhong paint, Chengkou paint, Maoba paint, Qinling paint or other areas, and the frying pan fraction is more than 65%. Urushiol content is more than 50%.

[0036] According to the above mass ratio formula, the urushiol solution was heated to 60°C, kept warm, and the formaldehyde was heated to react with the catalyst for 3 hours. After the reaction, the temperature was raised to dehydrate. After dehydration, the temperature of the reactant was lowered to 110°C, and it was ready for u...

Embodiment 2

[0038] In the preparation method of the sprayable color raw lacquer of the present embodiment, the mass percent of each component is as follows:

[0039] component name Mass percentage (%) urushiol 40 Epichlorohydrin 4 ammonium chloride 0.5 coupling agent 0.5 copper powder 1 ethanol 18 Methanol 36

[0040] According to the above mass ratio formula, the urushiol is selected to be extracted from one or more paints produced in Ankang paint, Hanzhong paint, Chengkou paint, Maoba paint, Qinling paint or other areas, and the frying pan fraction is more than 65%. Urushiol content is more than 50%.

[0041] According to the above mass ratio formula, the urushiol solution was heated to 60°C, kept warm, and the formaldehyde was heated to react with the catalyst for 3 hours. After the reaction, the temperature was raised to dehydrate. After dehydration, the temperature of the reactant was lowered to 110°C, and it was ready for use...

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Abstract

The invention discloses a preparation method of a sprayable colored raw lacquer. The sprayable colored raw lacquer is composed of the following raw materials in percentage by mass: 15-40% of urushiol, 4-8.5% of epoxy compound, 0.01-10% of metal powder, 0.01-1% of coupling agent, 0.5-2.5% of catalyst and 40-63% of diluter, totaling 100%. The colored raw lacquer has the advantages of low viscosity, diverse paint film colors, high mechanical properties, favorable acid resistance, favorable alkali resistance, favorable water resistance, favorable oil resistance, favorable wear resistance, simple synthesis technique and controllable conditions. The method diversifies the colors of the raw lacquer on the premise of ensuring the excellent properties of the raw lacquer. The method enhances the quality of the raw lacquer. The raw lacquer can be widely used in the fields of furniture, artware, decoration, printing, construction, electronics, machinery, chemical industry and the like.

Description

technical field [0001] The invention relates to a preparation method of sprayable colored raw lacquer, which belongs to the technical field of modification methods of raw lacquer. Background technique [0002] Chinese raw lacquer and lacquerware have a long history and are well-known at home and abroad. Although natural raw lacquer has many advantages, traditional raw lacquer is very difficult in the production process of lacquerware furniture. cause skin irritation. Therefore, as the main form in the production of lacquer art furniture, lacquerware is restricted by the conditions of low output and high cost. [0003] The production of traditional lacquerware and lacquer art furniture includes two quality requirements and control of lacquer and lacquer technology. On the one hand, the output of raw lacquer is small, the production conditions are harsh, the cycle is long and the cost is high; on the other hand, the production process of lacquerware is complicated, the tech...

Claims

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Application Information

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IPC IPC(8): C09D193/00C09D5/29C09D5/38
Inventor 吴智慧吴燕潘海云闫小星桑瑞娟李慧敏朱文凯
Owner NANJING FORESTRY UNIV
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