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A kind of backing paper and its preparation method

A technology of liner paper and polyester fiber, which is applied in the field of liner paper and its preparation, can solve the problems of unreachable and unsolved liner paper wet strength, air permeability, etc., and achieves improved wet strength, good economic benefits, and simplification. The effect of craftsmanship

Active Publication Date: 2021-11-02
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, most of the raw materials for the preparation of liner paper are plant fibers such as wood pulp, and chemical fibers and plant fibers are also used as raw materials, but none of them solve the contradiction between the wet strength and air permeability of the liner paper, and cannot achieve the effect of simultaneous reinforcement

Method used

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  • A kind of backing paper and its preparation method
  • A kind of backing paper and its preparation method
  • A kind of backing paper and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] A preparation method of hydrophilic polyester fiber for papermaking, comprising the steps of:

[0065] (1) Add 0.6057g of Tris in 50mL of ionized water, configure a Tris solution with a concentration of 0.1mol / L, add an appropriate amount of hydrochloric acid to adjust the pH to 8.5 as a Tris-HCl buffer solution;

[0066] (2) 1.5 parts of polyester PET fibers were ultrasonically cleaned three times in 5 parts of acetone solution, each time for 30 minutes, then washed three times with deionized water, and then dried under vacuum for 12 hours to obtain pretreated PET fibers;

[0067] (3) Add 8 parts of 1.0g / L gallic acid solution and 2 parts of 0.1mol / L Tris-HCl buffer solution into the reaction vessel, stir at 200rpm at room temperature for 15min to obtain a mixed solution;

[0068] (4) Add 4 parts of 1.0 g / L ethylenediamine solution to the mixed solution in step (3), stir at 600 rpm at room temperature for 2-3 minutes and mix evenly to obtain a treatment solution;

[0...

Embodiment 2

[0072] A preparation method of hydrophilic polyester fiber for papermaking, comprising the steps of:

[0073] (1) Add 0.6057g of Tris in 50mL of ionized water, configure a Tris solution with a concentration of 0.1mol / L, add an appropriate amount of hydrochloric acid to adjust the pH to 8.5 as a Tris-HCl buffer solution;

[0074] (2) 1 part of PET fiber was ultrasonically cleaned three times in 8 parts of acetone solution, each time for 30 minutes, then washed three times with deionized water, and then dried under vacuum for 12 hours to obtain the pretreated PET fiber;

[0075] (3) Add 6 parts of 0.9g / L gallic acid solution and 2 parts of 0.3mol / L Tris-HCl buffer solution into the reaction vessel, stir at room temperature at 200rpm for 15min to obtain a mixed solution;

[0076] (4) Add 2 parts of 0.9g / L ethylenediamine solution to the mixed solution in step (3), stir at 600rpm at room temperature for 2-3min and mix evenly to obtain the treatment solution;

[0077] (5) Pre-wet ...

Embodiment 3

[0080] A preparation method of hydrophilic polyester fiber for papermaking, comprising the steps of:

[0081] (1) Add 0.6057g of Tris in 50mL of ionized water, configure a Tris solution with a concentration of 0.1mol / L, add an appropriate amount of hydrochloric acid to adjust the pH to 8.5 as a Tris-HCl buffer solution;

[0082] (2) 0.5 parts of PET fibers were ultrasonically cleaned three times in 10 parts of acetone solution, each time for 30 minutes, then washed three times with deionized water, and then dried under vacuum for 12 hours to obtain pretreated PET fibers;

[0083] (3) Add 4 parts of 0.8g / L gallic acid solution and 2 parts of 0.5mol / L Tris-HCl buffer solution into the reaction vessel, stir at 200rpm at room temperature for 15min to obtain a mixed solution;

[0084] (4) Add 1 part of 0.8g / L ethylenediamine solution to the mixed solution in step (3), stir at 600rpm at room temperature for 2-3min and mix evenly to obtain the treatment solution;

[0085] (5) Pre-we...

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Abstract

The invention discloses a liner paper and a preparation method thereof, belonging to the field of papermaking. The invention provides a hydrophilic polyester fiber for papermaking and a preparation method thereof. A large amount of hydroxyl groups are deposited on the surface of the modified polyester fiber, the surface roughness is improved, and its hydrophilicity and dispersibility are greatly improved. The prepared hydrophilic polyester fiber for papermaking is added to the preparation process of the liner paper. For the first time, the hydrophilic modified polyester fiber is mixed with the plant fiber, and a liner paper with improved air permeability and wet strength is prepared. .

Description

technical field [0001] The invention relates to a backing paper and a preparation method thereof, belonging to the field of papermaking. Background technique [0002] Lining paper is a special paper that can prevent the isolated substances from sticking to each other on the surface and protect the isolated substances from pollution. Among them, the liquid crystal glass spacer paper and the Stainless steel backing paper. [0003] As a special paper between materials, liner paper requires good air permeability, high strength, smooth and delicate surface, no lint and powder loss, certain antibacterial and mildew resistance, and plays the role of protection and isolation. [0004] Taking spacer paper for liquid crystal glass as an example, the current domestically produced liner paper has poor air permeability, insufficient wet strength, and is prone to mildew and other quality defects. Most of the liner paper in my country still relies on imports. Therefore, preparing a liner...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M13/207D06M13/332D21F11/00D21H11/00D21H11/12D21H13/24D21H27/00D06M101/32
CPCD06M13/207D06M13/332D06M2101/32D21F11/00D21H11/00D21H11/12D21H13/24D21H27/00
Inventor 龙柱庄思杰令旭霞张静贤
Owner JIANGNAN UNIV
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