Pulping method and auxiliary pulping preparation for papermaking pulp

A slurry and preparation technology, applied in the field of papermaking, can solve the problems that the paper strength has not been improved, the fiber contact bonding is less, and the fiber strength has not been improved.

Inactive Publication Date: 2020-05-29
GOLD HUASHENG PAPER SUZHOU IND PARK
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] Due to the lower refining energy consumption required for the pulp added with biological enzymes under the same freeness conditions, the extrusion friction deformation between fibers is weakened during the refining process, and the carboxyl groups of the fibers cannot be absorbed more Exposed, resulting in less contact bonding of fibers, so the fiber strength is not improved, resulting in no improvement in the strength of the paper
It can be seen that this restricts the application of biological enzyme technology in papermaking beating to a certain extent.

Method used

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  • Pulping method and auxiliary pulping preparation for papermaking pulp
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  • Pulping method and auxiliary pulping preparation for papermaking pulp

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Embodiment Construction

[0015] The primary purpose of this application is to add a high molecular polymer with hydroxyl groups in the papermaking slurry, and use the hydroxyl groups of the high molecular polymer to hydrogen bond with the carboxyl groups of the fibers to make the fibers more contact-bonded, thereby improving the quality of the paper fibers. strength. As for the application of biological enzyme technology in papermaking pulping, that is, in the application scenario where biological enzymes are used to interact with cellulose in the cell wall of fibers to degrade cellulose to reduce energy consumption for refining, the polymer added in this application Polymers increase paper fiber strength while reducing refining energy consumption.

[0016] Based on this purpose, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. It should be understood t...

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Abstract

The invention discloses a pulping method and an auxiliary pulping preparation for papermaking pulp. According to the invention, a bio-enzyme and a high-molecular polymer with hydroxyl are added into the papermaking pulp; cellulose is degraded under the action of bio-enzyme and cellulose in cell walls of fibers, and hydroxyl of a high-molecular polymer and carboxyl of the fibers are subjected to hydrogen bond combination, so that more fibers are in contact combination, and the strength of the paper fibers can be improved while the pulping energy consumption is reduced.

Description

technical field [0001] The present application relates to the technical field of papermaking, in particular to pulp and its pulping process, and in particular to a beating method for papermaking pulp and a beating auxiliary preparation. Background technique [0002] As we all know, pulp is the basic raw material for papermaking. It is a fibrous substance made from certain plants and processed through different methods. The current pulping process adopts the traditional beating operation for refining, which has high beating strength and large power consumption. In order to solve this problem, the industry generally adds biological enzymes (also known as biological pulping enzymes) into the papermaking process. [0003] The biological enzymes used in the papermaking process are usually compound enzyme preparations based on cellulase. Biological enzymes are generally added to the pulp tank when assisting beating, and the interaction between biological enzymes and pulp fibers ...

Claims

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Application Information

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IPC IPC(8): D21D1/02D21C5/00
CPCD21D1/02D21C5/005
Inventor 刘仙阳李娟周晶蔡文亮
Owner GOLD HUASHENG PAPER SUZHOU IND PARK
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