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Glass interleaving paper

一种玻璃衬纸、玻璃板的技术，应用在纸张、造纸、玻璃/矿渣层状产品等方向，能够解决不能形成元件、配线切断等问题，达到提高成品率、防止电路断线、抑制损伤或裂纹的产生的效果

Active Publication Date: 2016-11-09
TOKUSHU TOKAI PAPER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, even if the damage or crack on the surface of the glass plate is very small, there are problems such as that the element cannot be formed in this part, the wiring is cut, etc.

Method used

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  • Glass interleaving paper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] Prepare 100 parts by weight of softwood bleached kraft pulp A as wood pulp, dissociate it and adjust it into a slurry with a beating degree of 520 mlc.s.f., add 0.4 parts by weight (relative to the weight of all pulp ) of polyacrylamide (trade name: Polysteron 1250, manufactured by Arakawa Chemical Industry Co., Ltd.) as a paper strengthening agent was adjusted to a pulp slurry with a concentration of 0.4%. Using a fourdrinier paper machine, the pulp slurry is made into a square meter weight of 50g / m 2 glass backing paper.

Embodiment 2

[0070] Except using 90 parts by weight of softwood bleached kraft pulp A and 10 parts by weight of waste paper pulp, other are the same as in Example 1, and the weight per square meter obtained is 50g / m 2 glass backing paper.

Embodiment 3

[0072] Except using the softwood bleached kraft pulp A of 80 weight parts and the softwood bleached kraft pulp B of 20 weight parts, other is the same as embodiment 1, obtains that the weight per square meter is 50g / m 2 glass backing paper.

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PUM

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Abstract

The present invention pertains to glass interleaving paper being used as a display-application glass plate, wherein wood pulp is used as a raw material, and foreign substances having a Mohs hardness of 4 or higher are present on the surface in a density of fewer than 0.010 per square meter. The glass interleaving paper is capable of preventing damage to or cracking on the surface of a glass plate even when used in a common application as interleaving paper for a glass plate used as a substrate material for flat panel displays, which require high levels of cleanness and flaw quality.

Description

technical field [0001] The present invention relates to paper for wrapping glass plates and paper (backing paper) sandwiched between glass plates during transportation and storage of glass plates. Specifically, the present invention relates to paper suitable for use as a glass backing paper for flat panel displays such as liquid crystal panel displays, plasma displays, organic electroluminescent (organic EL) displays, and the like. Background technique [0002] Usually, glass plates are collided with each other and come into contact with each other during storage by stacking a plurality of glass plates or during distribution by truck or the like, and damage or cracks may occur on the surfaces of the glass plates. [0003] Specifically, since a glass plate for a flat panel display is used for high-resolution display compared with a general building window glass plate, a vehicle window glass, etc., the glass surface is kept clean without damage or cracks. In addition, the sur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D57/00B65D85/48D21H27/00
CPCD21H27/00D21H17/63D21H17/67D21H17/675D21H17/375D21H17/68B32B17/065B32B2315/08B32B2317/12B32B2457/202
Inventor 赤堀慎一平泽智树友竹义明浅井靖彦西村孝之
Owner TOKUSHU TOKAI PAPER