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Coated paper and production method thereof

A technology for coated paper and pulp, applied in the field of papermaking, can solve the problems of low strength, excessive ash content and poor air permeability of coated paper, and achieve the effects of high quality, excellent quality and improved performance.

Active Publication Date: 2017-07-11
ZHEJIANG HUITONG ADVANCED MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problems existing in the above-mentioned prior art, and provides a coated paper and its production method, which solves the problems of low strength, excessive ash content, poor acid solubility, poor liquid absorption, single-sided light, and poor air permeability of the current coated paper. , to meet the demand for battery shield paper

Method used

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  • Coated paper and production method thereof
  • Coated paper and production method thereof
  • Coated paper and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The coated board paper is made of the following raw material proportions by weight: 45 parts of long-fiber wood pulp, 25 parts of hemp pulp, 10 parts of chemical fiber, 1 part of wet strength agent, and 0.2 part of PEO dispersant.

[0029] Further, the long-fiber wood pulp is coniferous wood pulp, and is thick long-fiber wood pulp in coniferous wood.

[0030] Further, hemp pulp is Manila hemp pulp.

[0031] Further, the chemical fibers are viscose fibers.

[0032] Further, the wet strength agent is polyester amide.

[0033] Further, the PEO dispersant is polyoxyethylene.

[0034] Further, the above-mentioned production method of coated paper comprises the following steps:

[0035] The first step is raw water treatment. Tap water is first filtered twice with a sand filter, then filtered for the third time with a honeycomb filter, and then purified by a reverse osmosis water purifier to obtain raw water. At this time, the COD index of the raw water is 12 ;

[0036] T...

Embodiment 2

[0041] The coated board paper is made of the following raw material proportions by weight: 55 parts of long-fiber wood pulp, 30 parts of hemp pulp, 15 parts of chemical fiber, 2 parts of wet strength agent, and 0.5 part of PEO dispersant.

[0042] Further, the long-fiber wood pulp is coniferous wood pulp, and is thick long-fiber wood pulp in coniferous wood.

[0043] Further, hemp pulp is Manila hemp pulp.

[0044] Further, the chemical fibers are viscose fibers.

[0045] Further, the wet strength agent is polyester amide.

[0046] Further, the PEO dispersant is polyoxyethylene.

[0047] Further, the above-mentioned production method of coated paper comprises the following steps:

[0048] The first step is raw water treatment. Tap water is first filtered twice with a sand filter, then filtered for the third time with a honeycomb filter, and then purified by a reverse osmosis water purifier to obtain raw water. At this time, the COD index of the raw water is 13 ;

[0049] ...

Embodiment 3

[0054] The coated paper is made of the following raw material proportions by weight: 60 parts of long-fiber wood pulp, 35 parts of hemp pulp, 20 parts of chemical fiber, 3 parts of wet strength agent, and 0.8 part of PEO dispersant.

[0055] Further, the long-fiber wood pulp is coniferous wood pulp, and is thick long-fiber wood pulp in coniferous wood.

[0056] Further, hemp pulp is Manila hemp pulp.

[0057] Further, the chemical fibers are viscose fibers.

[0058] Further, the wet strength agent is polyester amide.

[0059] Further, the PEO dispersant is polyoxyethylene.

[0060] Further, the above-mentioned production method of coated paper comprises the following steps:

[0061] The first step is raw water treatment. Tap water is first filtered twice with a sand filter, then filtered for the third time with a honeycomb filter, and then purified by a reverse osmosis water purifier to obtain raw water. At this time, the COD index of the raw water is 15 ;

[0062] The se...

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Abstract

A kind of coated board paper and its production method, choose long-fiber wood pulp, hemp pulp, chemical fiber, wet strength agent, PEO dispersant as raw material, through raw water treatment, beating treatment, adding additives, papermaking treatment, paper forming, etc. Steps to obtain coated paper. The beneficial effects of the invention are: the produced coated paper has good dry and wet strength, can meet the strength requirements of subsequent processing and actual use, has good acid solubility, low ash content, liquid absorption, air permeability, and has Good acid solubility and low ash content can ensure that the product is completely dissolved under the action of strong acid without leaving residue, has good liquid absorption and air permeability, ensures uniform penetration of electrolyte in the battery, effective exchange of electrons, and improves the performance of the battery ,Extended service life.

Description

technical field [0001] The invention relates to the technical field of papermaking, in particular to a coated paper and a production method thereof. Background technique [0002] Coated paper is mainly used in the pasting process of the lead-acid battery plate, and it is the paper for the guard plate in the paste process of the lead-acid battery plate. [0003] The performance index of coated paper is high, the material selection is exquisite, the manufacturing process is complicated, and the technology is difficult. At present, the coated paper on the market mainly has low strength, excessive ash content, poor acid solubility, poor liquid absorption, single-sided light, poor air permeability, etc. Shortcomings, therefore, need a kind of coated board paper that can solve these defectives urgently on the market. Contents of the invention [0004] The present invention aims to solve the problems existing in the above-mentioned prior art, and provides a coated paper and its ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H15/10D21H13/02D21H21/20D21H21/08D21F11/06
Inventor 朱春树
Owner ZHEJIANG HUITONG ADVANCED MATERIALS CO LTD
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