Surface treatment method for enabling bronze ware to achieve patina effect

Abstract

The invention relates to a surface treatment method for enabling bronze ware to achieve a patina effect. The surface treatment method comprises the following steps of (1) solution preparing, specifically, a solution is prepared from 1.5% of potassium permanganate, 4.5% of copper sulfate, 0.5% of anhydrous sodium sulfate, 2% of potassium chloride, 1.5% of iron oxide red and 90% of clear water; (2)solution heating, specifically, the solution prepared in the step (1) is heated to 60-70 DEG C; (3) bronze ware soaking and boiling, specifically, bronze ware which is polished and cleaned up is put into the solution obtained in the step (2) to be soaked and boiled for 5 minutes; (4) ware wiping, specifically, the bronze ware treated in the step (3) is taken out and repeatedly wiped; (5) bronze ware soaking and boiling again, specifically, the bronze ware treated in the step (4) is put into the solution obtained in the step (2) to be soaked and boiled for 3 minutes; and (6) baking with an oven, specifically, the bronze ware obtained in the step (5) is taken out and then put into the oven to be baked for 30 minutes at the high temperature of 150 DEG C. Compared with the prior art, the method has the advantages that a firm protecting layer is formed on the bronze ware, the oxidizing discoloration problem is solved, and meanwhile complex stripes are generated, so that the ornamental valueof the bronze ware is improved.

Description

technical field [0001] The invention relates to metal surface treatment, in particular to a surface treatment method for making copper ware have a coating effect. Background technique [0002] With the improvement of people's material living standards, people are also constantly pursuing rich cultural life. In recent years, people's collection of ancient bronze wares has become more and more popular, which is the portrayal of cultural life most. However, real ancient bronze wares are extremely scarce. For the appreciation of the general public , Antique bronze ware shines in the market. Antique bronze ware is a special technique adopted by artists to combine casting with painting, carving, inlaying and other techniques. The bronze cultural relics are mainly used for people's appreciation and collection. [0003] Whether the copper ware has the coating effect is one of the criteria for judging the level of imitation copper ware. "Painting" is a professional term in the anti...

AI Technical Summary

Problems solved by technology

The copper coating technique through the above method is dull and boring, the color is monotonous, smelly, and it will be oxidized and discolored by the influence of the air environment