Waterproof insulating vulcanized paper, and preparation method thereof

Abstract

The invention belongs to the field of papermaking, and discloses a waterproof insulating vulcanized paper, and a preparation method thereof. The waterproof insulating vulcanized paper is prepared from a plurality of layers of raw paper via gluing, and is prepared from, by weight, 110 to 130 parts of wood pulp, 20 to 40 parts of cotton pulp, 1 to 3 parts of carboxymethyl cellulose, 300 to 400 parts of a waterproof impregnation emulsion, 200 to 400 parts of a swelling gelling liquid, 10 to 15 parts of cellulose gas phase gel particle, 6 to 8 parts of modified fishbone dust, 0.5 to 1.5 parts of ethylene glycol diglycidyl ether, and 4 to 6 parts of swim bladder extracted glue. The waterproof insulating vulcanized paper is obtained via dipping in the waterproof impregnation emulsion, the external surface of the waterproof insulating vulcanized paper possesses excellent water resistance and relatively high strength; the raw materials are green, and are friendly to the environment; the preparation method is simple and reasonable, and is suitable for large scale production.

Description

technical field [0001] The invention relates to the field of papermaking, in particular to a waterproof insulating steel paper and a preparation method thereof. Background technique [0002] Insulating steel paper has the characteristics of hard paper, high dielectric strength, high elasticity, good wear resistance, good heat resistance and good insulation. And it can be cut, drilled, crushed, punched, planed, bent, milled, etc. It is mainly used for heat insulation insulators of various household appliances, various electrical arc extinguishers, slot wedges for electronic rotors, and insulating gaskets , parts, etc. In some specific fields, in addition to the good insulation of insulating steel paper, it is also required to have good water resistance, so as to meet its use requirements or improve its own service life. [0003] The Chinese patent with the application number CN201010107148.7 discloses a high-strength insulating steel cardboard and its manufacturing method. ...

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned patent directly adds a water-resistant agent to the pulp to improve the waterproofness of the paper. Although it can improve the waterproof effect of the steel paper to a certain extent, since the main material of the paper itself is cellulose, the water-resistant agent in the paper Poor dispersion; and the waterproof effect of paper mainly depends on the waterproof performance of its outer surface

However, directly adding water-repellent agent to the paper cannot effectively improve the waterproof effect of the outer surface of the paper.

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