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Processing method of colored raw lacquer

A processing method and raw lacquer technology, applied in the field of material science, can solve the problems of easy cracking of the paint film, paint transparency, not pure color, backward production technology, etc., and achieve the effect of bright color purity, high color purity and luster

Inactive Publication Date: 2017-11-24
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current production of colored lacquer has the problems of backward production technology and unstable product quality
Color raw lacquer production enterprises are small in scale and backward in production technology
As a result, the quality of colored raw lacquer products is unsatisfactory, such as the color is not pure enough, the paint film formed after painting is easy to crack, and the paint transparency is not good, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] 1) Mix and combine the large wood paint and small wood paint harvested in the Qinba Mountains or Hubei Maoba area in early July according to the mass ratio of 2:1 to obtain the original paint;

[0014] 2) Pour the original paint into a copper pot or an aluminum pot, then put the paint pot in a pot filled with warm water at 45°C, add cotton wool to the paint liquid, stir evenly, and filter twice with cotton cloth;

[0015] 3) After the filtration is completed, stir the paint liquid under heating conditions, and the heating temperature is at 40°C; when stirring, add fresh, unheated paint liquid filtered by cotton cloth into the stirring paint liquid twice, The amount added accounts for 10wt% of the mass of the heated paint; when the moisture content of the paint drops below 10%wt, stop stirring and let it stand for 8 hours, then continue to heat and stir at 40°C until the moisture content of the paint drops to 5wt %the following;

[0016] 4) Add pigments to the paint liq...

Embodiment 2

[0023] 1) Mix and combine the large wood paint and small wood paint harvested in the Qinba Mountains or Hubei Maoba area at the end of August according to the mass ratio of 4:1 to obtain the original paint;

[0024] 2) Pour the original paint into a copper pot or an aluminum pot, then put the paint pot in a pot filled with warm water at 55°C, add cotton wool to the paint liquid, stir evenly, and filter it with cotton cloth for 3 times;

[0025] 3) After the filtration is completed, stir the paint liquid under heating conditions, and the heating temperature is at 45°C; when stirring, add fresh, unheated paint liquid filtered by cotton cloth into the stirring paint liquid for 3 times, The amount added accounts for 20%wt of the mass of the heated paint; when the moisture content of the paint drops below 10%wt, stop stirring and let it stand for 10 hours, then continue to heat and stir at 45°C until the moisture content of the paint drops to Below 5wt%;

[0026] 4) Add pigments t...

Embodiment 3

[0033] 1) Mix and combine the large wood paint and small wood paint harvested in the Qinba Mountains or Hubei Maoba area at the end of July according to the mass ratio of 3:1 to obtain the original paint;

[0034] 2) Pour the original paint into a copper pot or an aluminum pot, then put the paint pot in a pot filled with 50°C warm water, add cotton wool to the paint liquid, stir evenly, and filter 3 times with cotton cloth;

[0035] 3) After the filtration is completed, stir the paint liquid under heating conditions, and the heating temperature is at 43°C; when stirring, add fresh, unheated paint material to the paint liquid being stirred for 3 times, and the amount added accounts for 1% of the heating paint. 15wt% of the mass of the material; when the moisture content of the paint drops below 10%wt, stop stirring and let stand for 9 hours, then continue heating and stirring at 43°C until the moisture content of the paint drops below 5wt%;

[0036] 4) Add pigments to the paint...

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Abstract

The invention discloses a processing method of colored raw lacquer. The processing method comprises the following steps: 1) blending and combining the harvested big wood lacquer and small wood lacquer according to a mass ratio of (2 to 1) to (4 to 1) to obtain raw lacquer; 2) pouring the raw lacquer into a copper pot, putting a lacquer pot in a pot containing warm water with 45-55 DEG C, adding bat wool into the lacquer liquid and stirring uniformly, and filtering with cotton cloth for 2-3 times; 3) stirring the lacquer liquid in a heating condition while adding 'ingredient' for 2-3 times, i.e., adding the fresh and unheated lacquer liquid filtered by the cotton cloth for 2-3 times into the lacquer liquid being stirred; when the water content of the lacquer liquid is reduced to 10wt% or less, stopping the stirring and standing; continuously heating and stirring until the water content of the lacquer liquid is reduced to 5wt% or less; 4) adding a pigment into the lacquer liquid; 5) grinding to obtain the colored raw lacquer. The colored raw lacquer product prepared by the method has high color purity and is bright; after the use of the colored raw lacquer, the formed lacquer film is quickly dried and can be permanently kept uniform, fine and shiny.

Description

technical field [0001] The invention belongs to the technical field of material science, and in particular relates to a processing method of colored raw lacquer. Background technique [0002] Colored lacquer is a high-grade arts and crafts paint prepared from natural lacquer through a specific refining and modification process. It is mainly used for lacquer painting creation, lacquerware production and high-end furniture painting. It is a product that embodies the charm and characteristic oriental beauty of raw lacquer. At present, the production of colored raw lacquer has the problems of backward production technology and unstable product quality. Color raw lacquer production enterprises are small in scale and backward in production technology. As a result, the quality of colored raw lacquer products is unsatisfactory, such as the color is not pure enough, the paint film formed after painting is easy to crack, and the paint transparency is not good. [0003] The patent of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D193/00
CPCC09D193/00C08L2205/025C08L93/00
Inventor 黄晓华齐志杰呼声春
Owner NORTHWEST A & F UNIV
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