Coloring formula and processing technology for surface color of bronze-based handicraft

Abstract

The invention discloses a coloring formula and a processing technology for surface color of a bronze-based handicraft. The prepared colored paint is prepared from the following raw materials in percentage by mass: 20-35% of nitric acid heavy metal salt, 5-10% of ethanol, 30-50% of a colored plant solution and the balance of water, wherein preferably, cochineal powder with a mass fraction of 1-4% is added when the nitric acid heavy metal salt is ferric nitrate, and when the nitric acid heavy metal salt is copper nitrate, ferrous sulfate with a mass fraction of 5-10% and castor oil with a mass fraction of 3-5% are added. The invention also provides a a processing technology for surface color of a bronze-based handicraft by adopting the formula. According to the invention, a relatively stable lacquer coating is formed on the surface of bronze ware, the coating is not easy to fall off, the artistic forms are diversified, the specific texture of the bronze ware is perfectly embodied, the characteristic of ancient color and charm of the surface of the bronze ware is embodied, and the diversity and ornamental value of the art are reflected.

Description

technical field [0001] The invention belongs to the field of handicraft production, and specifically relates to a coloring formula for the surface of copper tire handicrafts and a processing technology thereof. Background technique [0002] Bronze ware, the abbreviation of bronze ware, is also generally called various bronze ware. Bronze ware refers to vessels, utensils, etc. made of bronze as the basic raw material. Bronze, known as gold or auspicious gold in ancient times, is an alloy of red copper and other chemical elements (tin, nickel, lead, phosphorus, etc.), and its copper rust is turquoise, hence the name. The so-called "Bronze Age" in history refers to the period when bronze tools and bronze ritual vessels were widely used. [0003] China is the earliest civilization in the world to master brass smelting technology. The brass sheets and brass rings unearthed at the Jiangzhai site were smelted, dating back 6,700 years. China's bronze smelting is also mastered ear...

AI Technical Summary

Problems solved by technology

[0005] In the current bronze crafts, the primary colors and general lacquer are the main ones. However, the color and luster of primary-color bronzes are too single, the changes are too monotonous, and the art form is not outstanding enough, resulting in insufficient ornamental value, and it is easy to rust, which is not satisfactory for modern times. people's aesthetic needs;

[0006] In addition, the current lacquer coating technology mainly uses chemical lacquer on the surface of copper ware. The chemical varnish is uniform and meticulous, and it is difficult to reflect the unique texture of copper ware. Inheritance and innovation of craftsmanship

[0007] Moreover, the existing copper ware surface lacquer process is to directly smear or spray on the copper ware surface. After a long time, in the process of playing with the copper ware, the lacquer is easy to fall off, resulting in the loss of the artistic value of the handicraft.