Method for applying starch modified stuffing in paper making

Abstract

The invention discloses a method for applying starch modified stuffing in paper making, which comprises the following steps: firstly, mixing cooked oxidized starch and stuffing to prepare a coating, evenly coating the coating on the surface of paper, then drying the paper, and breaking and scattering the coated paper to replace partial pulp to be added into a paper making system. The surface of the modified stuffing is wrapped by the starch, so the dissolution phenomenon does not occur under the water temperature condition of a paper machine system, the loss amount of the stuffing in a white water system is reduced, the combination capabilities between the fibers and between the fiber and the stuffing are increased when the stuffing is added into the paper, the drainage property of a system is improved, and the production cost is lowered.

Description

Application method of starch modified filler in papermaking technical field The invention belongs to the field of papermaking, in particular to an application method of starch modified filler in papermaking. Background technique In paper, the main component of paper is fiber, but the cost of fiber is relatively high, so fillers are added to paper to reduce the production cost of paper, and fillers can also improve the smoothness, whiteness, opacity, etc. of paper. Of course, for paper, the more fillers are added, the lower the cost, which is what paper mills and paper researchers are pursuing. However, there is also a certain limit to the amount of paper filler added. When the amount of filler reaches a certain level, if the amount is increased, the cohesive force and tensile strength of the paper will decrease significantly, and even obvious creases and bursts will appear. . Research on the modification technology of fillers, how to apply fillers to paper better and m...

AI Technical Summary

Problems solved by technology

The traditional starch gel filler treatment technology needs to be processed by mixed cooking, drying treatment, grinding and dispersing before it can be truly applied, which increases the investment risk and cost of the factory

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