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A soaking surface sizing process

A surface sizing and crafting technology, applied in the direction of defoaming agent, microorganism/enzyme addition, non-fiber pulp addition, etc., can solve the problems of low production efficiency, paper breakage, etc., to improve efficiency, reduce the probability of paper breakage, reduce The effect of glue leakage phenomenon

Active Publication Date: 2020-08-21
嘉兴市荣晟包装材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the development of the economy, the demand for low-weight paper is increasing day by day. When the above-mentioned equipment is used to produce low-weight paper (such as 85g corrugated paper), paper breaks are prone to occur, and the production efficiency is low.

Method used

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  • A soaking surface sizing process
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  • A soaking surface sizing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment 1: a kind of immersion type surface sizing process, is used for the surface sizing method of AA grade high-strength corrugated base paper, and it comprises the following operation steps:

[0044] Step S1, the configuration of sizing agent: according to the components by weight, the sizing agent includes 100 parts of edible starch, 0.05-0.1 part of amylase, 0.05-0.1 part of propylbenzene sizing agent, and 0.05-0.1 part of aluminum sulfate , 0.02-0.05 parts of defoamer and water balance to make up. Among them, the concentration of edible starch is 4-6%, and its viscosity is 19-25% of 20 rubber rollers; and the model of amylase is: liquid 2589 amylase.

[0045] Step a, put the edible starch and water into the dispersion tank 1 according to the ratio and stir evenly. Wherein, the edible starch is a mixed starch of corn starch and sweet potato starch.

[0046] Step b. Heat the water to 93-95°C and add it to the cooking tank 2, turn on the agitator 3, then put th...

Embodiment 2

[0053] Embodiment 2: A kind of immersion type surface sizing process, the difference with embodiment 1 is: edible starch is the mixed starch of corn starch, sweet potato starch and kudzu root starch.

Embodiment 3

[0054] Embodiment 3: A kind of immersion type surface sizing process, the difference with embodiment 1 is: edible starch is the mixed starch of corn starch, wild acorn starch and kudzu root starch.

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Abstract

The invention discloses an immersed type surface gluing process and belongs to the technical field of gluing of paper products. The process is characterized in that the immersed type surface gluing process comprises the following steps: uniformly dispersing, cooking, lifting and spraying a gluing agent, extruding and coating glue through an upper glue roller and a lower glue roller, overflowing and returning the gluing agent, then removing impurities in the gluing agent through a vibration screen, then enabling the gluing agent to flow back to a dispersion tank again, successively circulatingrepeatedly to complete the operation of gluing paper products. The gluing process is capable of controlling the viscosity and the concentration of starch and controlling the diameter and the bucklingwidth of the upper glue roller and the lower glue roller so as to effectively reduce the occurrence of the phenomena of broken paper and improve the production efficiency of the paper; in addition, ahard rubber sleeve and a soft rubber sleeve are arranged, the phenomena of glue leakage of the upper glue roller and the lower glue roller are reduced; meanwhile, the probability of breakage of the paper is further reduced; and the production efficiency of the paper is improved.

Description

technical field [0001] The invention belongs to the technical field of paper product sizing, and more specifically relates to a soaking surface sizing process. Background technique [0002] Paper pulp (raw material) passes through 1. Mesh forming: paper pulp and other additives are slowly formed into paper on the mesh; 2. Pressing: By applying a certain pressure on the mesh and forming paper, the excess water passes through 3. Pre-drying (that is, the first drying treatment): the paper is transmitted to the dryer through the transmission device, and the temperature of 120-180 ° C is passed into the oven. Steam to improve the stability of the oven to obtain paper with a dryness of 92-93%; 4. Sizing: continue to drive the above-mentioned dried paper to the sizing device. Under the action, the sizing agent can be evenly coated on the front and back sides of the paper, and the glue spraying operation can be completed; 5. Post-baking: dry the moisture increased in the paper due ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H23/50D21H25/12D21H21/16D21H17/04D21H17/00D21H17/28D21H17/66D21H21/12B07B1/28B07B1/42B07B1/46
CPCB07B1/28B07B1/42B07B1/46D21H17/005D21H17/04D21H17/28D21H17/66D21H21/12D21H21/16D21H23/50D21H25/12
Inventor 赵志芳顾佳燕
Owner 嘉兴市荣晟包装材料有限公司
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