Copper oxide-containing composite air filter paper and making method thereof

Abstract

The invention discloses a copper oxide-containing composite air filter paper. The copper oxide-containing composite air filter paper is made by using the following raw materials, by weight, 53-56 parts of a poplar pulp, 44-48 parts of a rag pulp, 1-2 parts of green bamboo bark, 1-2 parts of durian shell, 2-3 parts of nanometer silicon carbide, 2-3 parts of nanometer titanium dioxide, 1-2 parts of copper oxide, 0.7-1 part of a titanate coupling agent TC-9, 0.3-0.5 parts of chitin, 0.3-0.4 parts of rosin size, 0.6-0.8 parts of turpentine, 6-8 parts of a polyvinyl acetate emulsion adhesive, 3-5 parts of a melamine-formaldehyde resin, 0.5-0.6 parts of sucrose fatty ester, 1-2 parts of an assistant, and a proper amount of water. Titanium dioxide and copper oxide added in the invention have a catalysis performance, and can purify air; and the assistant added in the invention is safe and environmentally friendly, and forms tiny apertures on the surface of filter paper, so the adsorptivity is increased, and the filtering performance is improved.

Description

technical field [0001] The invention relates to the field of automobile filters, in particular to a composite air filter paper added with copper oxide and a preparation method thereof. Background technique [0002] Automobile air filter paper is the core material for manufacturing automobile engine air filters. Since the air filter is located in the intake system of the engine, and the engine usually emits a lot of heat when it is working, it is generally hoped that this air filter medium has good performance. Excellent filtration performance and high filtration efficiency, as well as certain high temperature resistance, water resistance and burst resistance. The existing filter paper has poor adsorption and low filtration performance, which leads to low filtration efficiency and can only filter out 50-60% of the impurities in the oil; in addition, when the air filter paper is used in rainy and high humidity areas, the paper filter layer After absorbing moisture, it will sw...

AI Technical Summary

Problems solved by technology

The existing filter paper has poor adsorption and low filtration performance, which leads to low filtration efficiency and can only filter out 50-60% of the impurities in the oil; in addition, when the air filter paper is used in rainy and high humidity areas, the paper filter layer After absorbing moisture, it will swell, which will reduce the pore size and porosity of the filter paper, resulting in the increase of filter resistance and the reduction of vehicle power. It also has the disadvantages of poor high temperature resistance, low tensile strength, and poor burst resistance, which limits the Service life of filter paper