Production process of high-strength corrugated paper

Abstract

The invention relates to a production process of high-strength corrugated paper. The production process comprises the following steps of: (1) obtaining waste paper pulp from waste paper; (2) obtainingbamboo pulp from bamboo stalks; (3) mixing the waste paper pulp with the bamboo pulp, and adding cationic starch and cellulose powder to obtain papermaking primary pulp; (4) adding a reinforcing agent and an auxiliary agent into the papermaking primary pulp, and uniformly stirring to obtain papermaking pulp; and (5) sequentially carrying out papermaking forming, dehydration, drying, surface sizing and secondary drying on the papermaking pulp to obtain a corrugated paper finished product. According to the invention, dual pulping is carried out on the bamboo stalks; the bamboo fibers can be separated to the greatest extent; the utilization rate of bamboo stalk raw materials is improved; the corrugated paper is more energy-saving and environment-friendly, the gram weight of the corrugated paper can be reduced and the strength of the corrugated paper can be ensured by adding the reinforcing fiber powder into the mixed pulp, and the electrostatic interaction between the pulp can be enhanced by adding the reinforcing agent formed by polymerizing cationic polyacrylamide, hydroxypropyl chitosan and epoxy chloropropane resin, so that the strength of the corrugated paper is further improved.

Description

technical field [0001] The invention belongs to the technical field of corrugated paper, and in particular relates to a high-strength corrugated paper production process. Background technique [0002] Corrugated base paper is one of the important components of corrugated cardboard production. Corrugated base paper requires good fiber bonding strength, smooth paper surface, good tightness and stiffness, and requires a certain degree of elasticity to ensure that the cartons are shockproof and durable. Pressure resistance, corrugated base paper, also known as corrugated core paper, is the raw material paper used to form the corrugated core of corrugated cardboard. [0003] In the existing corrugated base paper production process, the degree of extraction of the fibers in the raw materials is not enough, which easily leads to waste of raw materials, and the strength of the produced corrugated base paper is low, resulting in less stress that can be carried after the carton is mad...

AI Technical Summary

Problems solved by technology

[0003] In the existing corrugated base paper production process, the degree of extraction of the fibers in the raw materials is not enough, which easily leads to waste of raw materials, and the strength of the produced corrugated base paper is low, resulting in less stress that can be carried after the carton is made, and is prone to collapse The phenomenon