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Natural color glass spacing paper and preparation method thereof

A technology of glass spacer paper and spacer paper, which is applied in the direction of non-woody plant/crop pulp, paper, papermaking, etc., can solve the problems of bleached paper, which is unfavorable to environmental protection, affects pressure buffering, and is easy to break, so as to avoid hair loss and powder loss and Paper breaking, good pressure cushioning performance, and high paper strength

Active Publication Date: 2019-12-20
五洲特种纸业(龙游)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above technical problems, the present invention provides a natural color glass spacer paper and its preparation method, which has solved the problems that the bleached paper mentioned in the above background technology is not conducive to environmental protection, easy to break and affect pressure buffering under low grammage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A natural color glass spacer paper, the spacer paper contains 30-50% unbleached kraft coniferous pulp, 8-15% unbleached mechanical pulp, 5-10% bamboo pulp, and the balance is unbleached Kraft broad-leaf pulp, after mixing all the above-mentioned pulps in proportion, use a cylindrical refiner and a double-disc refiner to perform uniform beating treatment at a beating degree of 30-40°SR to obtain natural color spacer paper, and the pH value of the pulp is 4.5 ~6.

[0038] The glass spacer paper should ensure that the resin and glue contained in the paper are as little as possible, so the proportion of unbleached mechanical pulp in the pulp should not be too large, and should be within 15%. Adding unbleached mechanical pulp can improve the stiffness of the glass spacer paper and the bulk of the paper, which can effectively protect the glass panel physically. If it is less than 8%, the stiffness of the paper will be reduced, and the paper will be soft during use, which wil...

Embodiment 2

[0052] A method for manufacturing natural color glass spacer paper, comprising the steps of:

[0053] Step 1, select pure wood pulp for copying;

[0054] Step 2, selecting 30-50% unbleached kraft softwood pulp, 8-15% unbleached mechanical pulp, 5-10% bamboo pulp, and mixing unbleached kraft broadleaf pulp in the balance;

[0055] Step 3: Use a cylindrical refiner and a double-disc refiner to perform uniform beating treatment with a beating degree of 30-40°SR, and the production water source is clean tap water;

[0056] Step 4. When preparing the slurry, acidic substances such as aluminum sulfate, sulfuric acid, and hydrochloric acid should be added to the slurry to pre-adjust the pH of the pulp to acidity, and the pH value is 4.5-6;

[0057] Step 5. After dehydration and forming, vacuum suction, press dehydration, and then enter the drying cylinder to dry until the moisture content of the paper is 7.5%, and the base paper is obtained;

[0058] Step 6: Surface sizing uses ant...

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Abstract

The invention relates to natural color glass spacing paper and a preparation method thereof. The natural color glass spacing paper comprises, by weight, 30-50% of unbleached sulfate softwood pulp, 8-15% of unbleached mechanical pulp, 5-10% of bamboo pulp, and the balance unbleached sulfate broad leaf pulp. All the slurries are mixed in proportion, then a cylindrical pulping machine and a double-disc pulping machine are employed for unified pulping treatment at a pulping degree of 30-40degree SR so as to obtain the natural color spacing paper, and the pH value of the paper pulp is 4.5-6. The invention also discloses a preparation method. Under the circumstance of meeting low gram weight, the paper has high strength, hair falling, avoids hair shedding, powder falling and paper breaking, thepressure buffering performance of the paper is good, the manufacturing cost is low, pollution is little, and the product properties are excellent.

Description

technical field [0001] The invention relates to the technical field of supporting flat panel display devices, and more specifically relates to a natural color glass spacer paper and a preparation method thereof. Background technique [0002] As the separation paper between LCD screens, glass spacer paper has high stiffness and mechanical strength, which plays the role of protection and isolation. It also has the functions of moisture-proof, mildew-proof and anti-static. Due to the need to meet the above-mentioned properties, most bleached spacer papers are currently used. And the process is easier to meet the above requirements. However, bleached paper is to add chemical pulping, chlorine, benzene, fluorescent powder and other carcinogens to the pulp bleaching process, resulting in pollution in the manufacturing process. In addition, strict market demand requires low grammage It is necessary to take into account the strength of the paper to avoid lint, dust and paper breakag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H27/10D21H11/04D21H11/08D21H11/12D21H21/36D21H17/66D21H17/65D21H21/18D21H19/14D21H21/22
CPCD21H11/04D21H11/08D21H11/12D21H17/65D21H17/66D21H19/14D21H21/18D21H21/22D21H21/36D21H27/10
Inventor 甘雨生俞刚邵晓东刘伍武罗淑云胡小军
Owner 五洲特种纸业(龙游)有限公司
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