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Phosphating agent for surface treatment on aluminum cans

A technology of surface treatment and phosphating agent, which is applied in the field of phosphating solution, can solve the problems of low working temperature, low working efficiency and high working temperature, and achieve the effect of low working temperature, high working efficiency and excellent performance

Inactive Publication Date: 2015-01-21
HEFEI ZHENGTUO DECORATION MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing phosphating solution has the following problems when processing workpieces: 1. The working temperature is high and the energy consumption is large; 2. The working temperature is not high, but the working time is long and the working efficiency is low

Method used

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Embodiment Construction

[0012] A phosphating agent for the surface treatment of aluminum cans, consisting of the following raw materials in parts by weight: 23 parts of phosphoric acid, 6 parts of sodium molybdate, 9 parts of chromic acid, 6 parts of sodium fluoroborate, 3 parts of antimony trioxide, 3 parts of calcium nitrate, 4 parts of zinc nitrate, 2 parts of calcium chloride, 1 part of barium stearate, 0.9 parts of trisalt stem lead sulfate, 1 part of titanium dioxide, 1.6 parts of barium metaborate, 2 parts of diphenolic propane, 1.6 Initiator, 0.8 parts of active silica powder, 32 parts of water; the specific preparation method is as follows: (1) Dilute phosphoric acid and chromic acid at a ratio of 1:8, stir well, and place for 10-14 hours; (2) Then add the formula Proportion of sodium molybdate, sodium fluoroborate, antimony trioxide, calcium nitrate, zinc nitrate, fully stirred, cooled for 2-4 hours to obtain a mixed solution; (3) After fully mixing the product of step (1) with other ingredi...

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Abstract

The invention discloses a phosphating agent for surface treatment on aluminum cans. The phosphating agent comprises the following raw materials in parts by weight: 22-24 parts of phosphoric acid, 5-7 parts of sodium molybdate, 8-10 parts of chromic acid, 5-8 parts of fluoride sodium borate, 2-5 parts of antimony trioxide, 2-4 parts of calcium nitrate, 3-5 parts of zinc nitrate, 1.5-2.5 parts of calcium chloride, 0.8-1.2 parts barium stearate, 0.5-1.2 parts of tribasic lead sulphate, 0.5-1.5 parts of titanium dioxide and 1.4-1.8 parts of barium metaborate. The phosphating agent can be used at room temperature; a surface adjusting procedure before phosphorization is eliminated, and a washing procedure after phosphorization is avoided; the phosphating agent belongs to an environment-friendly manganese-calcium-series phosphate solution which is simple and convenient to operate, long in service life, excellent in effect and high in adhesive force; the phosphating agent is good in stability, short in processing time, high in strength of a formed phosphate coating, excellent in adhesive force and high in corrosion resistance.

Description

[0001] technical field [0002] The invention relates to the technical field of a phosphating solution, in particular to a phosphating agent for surface treatment of aluminum cans. [0003] Background technique [0004] Phosphating is a commonly used pre-treatment technology. The main purpose of phosphating is to provide protection for the base metal and prevent the metal from being corroded to a certain extent; it is used as a primer before painting to improve the adhesion and corrosion resistance of the paint film layer. ; It is used for anti-friction lubrication in metal cold working process. The existing phosphating solution has the following problems when processing workpieces: 1. The working temperature is high and the energy consumption is large; 2. The working temperature is not high, but the working time is long and the working efficiency is low. [0005] Contents of the invention [0006] The purpose of this invention is to provide a kind of phosphating agent ...

Claims

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Application Information

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IPC IPC(8): C23C22/44
CPCC23C22/44C23C2222/10
Inventor 傅杨华
Owner HEFEI ZHENGTUO DECORATION MATERIALS CO LTD
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