Fireproof coating for copper-clad aluminum busbar

Abstract

The invention relates to the technical field of fireproofing, in particular to a fireproof coating for a copper-clad aluminum busbar. The fireproof coating is prepared from raw materials in parts by weight as follows: 45-60 parts of bisphenol A epoxy vinyl ester resin, 15-20 parts of carbamate, 20-30 parts of toluene diisocyanate, 10-15 parts of acrylic resin, 15-20 parts of antimony trioxide powder, 5-10 parts of ammonium polyphosphate, 10-15 parts of sodium hexametaphosphate, 2-4 parts of dibutyl phthalate, 10-16 parts of mica powder, 8-12 parts of asphalt, 7-12 parts of a reactive diluent,0.3-0.6 parts of a leveling agent and 30-50 parts of water. The fireproof coating can be tightly combined with the copper-clad aluminum busbar and has good fireproof and flame-retardant effects, meanwhile, the bisphenol A epoxy vinyl ester resin can act with carbamate and toluene diisocyanate, so that corrosion resistance, flexibility and manufacturability of a product can be further improved, andthe fireproof coating is more suitable for the use environment of the copper-clad aluminum busbar.

Description

technical field [0001] The invention relates to the technical field of fire prevention, in particular to a fireproof coating of a copper-aluminum composite row. Background technique [0002] Copper-aluminum composite row is commonly known as copper-clad aluminum wire, and the significance of its appearance is mainly to reduce the consumption of copper. my country is a country poor in copper and rich in aluminum, and 70% of copper resources are imported. Therefore, the national 863 plan vigorously advocates manufacturers to develop new copper-aluminum composite materials, so as to reduce my country's consumption of copper and achieve "saving copper with aluminum". strategic purpose. In addition, since copper is much more expensive than aluminum, another significant function of copper-clad aluminum bars is to reduce material costs for enterprises. The price of copper-clad aluminum bars with the same electrical performance is only about 50% of that of traditional pure copper b...

AI Technical Summary

Problems solved by technology

[0003] When the copper-aluminum composite row is used, it is often necessary to carry out fireproof treatment. Most of the existing copper-aluminum composite row is wrapped with fireproof materials, and there is no fireproof coating