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Method for producing anti-fatigue light gray paper

A production method and anti-fatigue technology, applied in papermaking, papermaking machines, textiles and papermaking, etc., can solve the problems of high production cost, large environmental pollution, and environmental damage, and achieve low cost, small environmental damage, and reduced environmental damage Effect

Inactive Publication Date: 2015-08-26
GUANGZHOU YADI STATIONERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the current paper is generally produced by plant fibers, and most of them are prepared by adding dyes to bleached white paper, the use of bleach and dyes will cause certain damage to the environment. At the same time, logs are used to make paper, resulting in Deforestation, destroying the environment
According to the traditional production process, the main raw material used in papermaking is either straw pulp or wood pulp, which causes many social problems, such as large environmental pollution and high production costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Waste paper or wheat straw is crushed into a pulper with an average particle size of 1.2 mm and a pulp concentration of 15%;

[0018] (2) Sieve the obtained shredded pulp through a pressure sieve with a pressure of 3.5MPa and a sieve aperture of 2.5mm;

[0019] (3) Using a fiber separator to separate the shredded pulp into fibers, the purity of the obtained fibers is 96.5%, and the removal rate of impurities is 93.8%;

[0020] (4) Blend and color the separated fiber, add carbon black, titanium dioxide, aluminum sulfate, and rosin glue to the fiber slurry, and the added amount accounts for the weight percentage of the slurry: 0.25% carbon black, 3.0% titanium dioxide %, aluminum sulfate 7%, rosin gum 1.2%, mixed and stirred for 60 minutes, and the mixing temperature was 45°C;

[0021] (5) Dehydration molding, drying and dehydration of the mixed slurry and molding, the drying temperature is 85°C, and the drying time is 7 minutes to obtain the anti-myopia paper.

[0...

Embodiment 2

[0027] (1) Waste paper or wheat straw is crushed into a pulper with an average particle size of 1.5 mm and a pulp concentration of 15%;

[0028] (2) Sieve the obtained shredded pulp through a pressure sieve with a pressure of 3.5MPa and a sieve aperture of 3.2mm;

[0029] (3) Using a fiber separator to separate the shredded pulp into fibers, the purity of the obtained fibers is 96.3%, and the removal rate of impurities is 94.1%;

[0030] (4) Sizing and coloring the separated fibers, adding carbon black, titanium dioxide, aluminum sulfate, and rosin glue to the fiber slurry, the amount of which accounts for the weight percentage of the slurry is: carbon black 0.25%, titanium dioxide 6.5% %, aluminum sulfate 7%, rosin gum 1.3%, mixed and stirred for 60 minutes, and the mixing temperature was 40°C;

[0031] (5) Dehydration molding, drying and dehydration of the mixed slurry and molding, the drying temperature is 90°C, and the drying time is 6 minutes to obtain the anti-myopia pa...

Embodiment 3

[0037] (1) Waste paper or wheat straw is crushed into a pulper with an average particle size of 1.5 mm and a pulp concentration of 15%;

[0038] (2) Sieve the obtained shredded pulp through a pressure sieve with a pressure of 3.1MPa and a sieve aperture of 3.2mm;

[0039] (3) Use a fiber separator to separate the shredded pulp into fibers, the purity of the obtained fibers is 96.0%, and the removal rate of impurities is 94.5%;

[0040] (4) Blend and color the separated fibers, add basic bright yellow, aluminum sulfate, and rosin gum to the fiber slurry, and the added amount accounts for the weight percentage of the slurry: basic bright yellow 0.2%, aluminum sulfate 6% , 1.2% rosin gum, mixed and stirred for 40 minutes, and the mixing temperature was 40°C;

[0041] (5) Dehydration molding, drying and dehydration of the mixed slurry and molding, the drying temperature is 90°C, and the drying time is 6 minutes to obtain the anti-myopia paper.

[0042] The impurities separated i...

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PUM

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Abstract

The invention relates to a method for producing anti-fatigue light gray paper, and belongs to the technical field of papermaking. Waste paper or wheat straw is smashed, then goes through a pressure screen, and is separated with a defibrator, then, size mixing and coloring are carried out on purified fiber, dehydration and forming are carried out, and the anti-fatigue paper can be obtained. According to the method for producing anti-fatigue light gray paper, the produced paper is warm gray, the saturation of the paper ranges from 70% to 90%, the lightness of the paper ranges from 20% to 45%, the paper can effectively relieve fatigue, the production process does little harm on the environment, and cost is low.

Description

technical field [0001] The invention relates to the technical field of papermaking, in particular to a production method of light gray anti-fatigue paper. Background technique [0002] The white paper that people use every day has white full-frequency reflection, which is irritating to the eyes. Traditional book paper has an impact on the eyes when reading at close range. It will cause the contradiction between pupil dilation and close-distance brightness increase. The visual state, the visual state of receiving white light against black and distorting scattered viewpoints when viewing black characters, and the visual state of color biasing the visual color to other colors will require organizational structure adjustment to meet their correct visual effect, which will promote eye fatigue. Patent No. 95111654 discloses an anti-myopia booklet, and proposes that "in different visual environments, visual ability and fatigue are different." The reflected light of white book paper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H17/67D21F11/00
Inventor 覃诗龙熊远
Owner GUANGZHOU YADI STATIONERY CO LTD
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