Liquid crystal glass dust-free protective paper

A technology of liquid crystal glass and protective paper, which is applied in the field of papermaking, can solve problems such as scattering, and achieve the effects of reducing water consumption, good heat resistance, and protecting the glass

Inactive Publication Date: 2015-05-20
中国制浆造纸研究院衢州分院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, coated glass, optical glass and liquid crystal glass substrates are very prone to damage, scratches, cracks or scattering during processing or transportation.

Method used

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  • Liquid crystal glass dust-free protective paper
  • Liquid crystal glass dust-free protective paper
  • Liquid crystal glass dust-free protective paper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] The dust-free protective paper for liquid crystal glass of this embodiment adopts 100% bleached chemical coniferous wood pulp with a freeness of 620c.s.f. as a raw material, which is polished into a single fiber and then sent to each cage of the forming head through a feeding fan, The negative pressure formed by the air supply system and the exhaust system is used to make the fibers fall evenly from the cage and settle disorderly on the forming wire to form a paper web. After upper glue spraying, drying, lower glue spraying and further drying, it is placed in room temperature environment and finally calendered to obtain the dust-free protective paper for liquid crystal glass. In the production process, the temperature that the wet strength agent can resist is 183°C, the drying temperature and re-drying temperature are both 150°C, and the total amount of glue added to the latex is 1g / m 2 .

[0010] Add dry strength agent 0.1kg / t, softener 1kg / t, antistatic agent 5kg / t, ...

Embodiment 2

[0016] The dust-free protective paper for liquid crystal glass of this embodiment adopts 100% bleached chemical coniferous wood pulp with a freeness of 610c.s.f. as a raw material, which is polished into a single fiber and then sent to each cage of the forming head through a feeding fan, The negative pressure formed by the air supply system and the exhaust system is used to make the fibers fall evenly from the cage and settle disorderly on the forming wire to form a paper web. After upper glue spraying, drying, lower glue spraying and further drying, it is placed in room temperature environment and finally calendered to obtain the dust-free protective paper for liquid crystal glass. During the production process, the temperature that the wet strength agent can resist is 201°C, the drying temperature and re-drying temperature are both 160°C, and the total gluing amount of the latex is 15g / m 2 .

[0017] Add dry strength agent 0.5kg / t, softener 5kg / t, antistatic agent 3kg / t, an...

Embodiment 3

[0023] The dust-free protective paper for liquid crystal glass of this embodiment adopts 100% bleached chemical coniferous wood pulp with a freeness of 620c.s.f. as a raw material, which is polished into a single fiber and then sent to each cage of the forming head through a feeding fan, The negative pressure formed by the air supply system and the exhaust system is used to make the fibers fall evenly from the cage and settle disorderly on the forming wire to form a paper web. After upper glue spraying, drying, lower glue spraying and further drying, it is placed in room temperature environment and finally calendered to obtain the dust-free protective paper for liquid crystal glass. In the production process, the temperature that the wet strength agent can resist is 203°C, the drying temperature is 153°C, and the re-drying temperature is 152°C, and the total glue amount of latex is 10g / m 2 .

[0024] Add dry strength agent 1kg / t, softener 10kg / t, antistatic agent 3kg / t, antic...

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Abstract

The invention relates to the technical field of papermaking, in particular to a piece of liquid crystal glass dust-free protective paper. The liquid crystal glass dust-free protective paper is prepared by the following steps: with bleached chemical softwood pulp as a raw material, conveying the raw material to a net cage with a destaticizing device via a feeing fan, wherein the net cage is used for removing static electricity on the surfaces of fibers and ensuring that the fibers are uniformly dispersed and free of flocculation; forming a paper web through an air supply system, an exhaust system and a forming net; and carrying out heat compressing, upper glue spraying, baking, lower glue spraying, rebaking and calendaring on the paper web, and then forming the liquid crystal glass dust-free protective paper, wherein the liquid crystal glass dust-free protective paper has good heat resistance, moisture resistance, anti-static property and anti-corrosion performance and can be applied to the processing or transporting process of coated glass, optical glass and liquid crystal glass substrates to play roles in backing and isolating. By virtue of a dry agglutination technique, the water consumption in the production process is greatly reduced, so that the problem of pollution of a natural water body is relieved; the capital expenditure is relatively low; the energy consumption in the production process is relatively low; and the production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of papermaking, in particular to a dust-free protective paper for liquid crystal glass. Background technique [0002] Dust-free paper is generally divided into glued dust-free paper, heat-bonded dust-free paper and composite dust-free paper. Compared with traditional textiles, dust-free paper has advantages in performance, price and use value. The process of gluing the dust-free paper is as follows: firstly, the paddle board is crushed into single fibers, and then sent to each cage of the forming head through the feeding fan, and the breaking roller in the cage breaks up the fibers and keeps them floating state. The negative pressure formed by the air supply system and the exhaust system under the forming wire on the wire surface of the forming wire makes the fibers drop evenly from the cage and form the initial paper web. The initial paper web takes the necessary hot pressing to obtain a certain strength...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H11/02D21H21/20D21H21/14D21H21/38D21H21/36D21H21/18D21H19/22D21F9/00
Inventor 史贺刘文张诚史海真李鸿凯黄小雷季剑锋
Owner 中国制浆造纸研究院衢州分院
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