Method for preparing corrugated paper wood pulp

A corrugated wood and pulp technology is applied in the preparation of corrugated wood pulp, which can solve the problems of insufficient strength, easy damage to cartons, time-consuming and labor-intensive, etc., and achieves the effects of compact structure, long service life, and wide popularization and application.

Inactive Publication Date: 2018-11-23
HEFEI LONGFA PACKING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the strength of the traditional corrugated box cannot meet the demand, when storing and handling heavy goods, the carton is easily damaged and needs to be replaced, which is time-consuming and laborious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for preparing corrugated wood pulp, the specific steps are as follows:

[0022] 1) Take 70 parts of wood offcuts, wash and dry them, and chop them up mechanically, then soak the materials in 100 parts of an acidic solution with a pH of 6.0, and put them in a high-frequency electric field with a frequency of 2000MHz for 30 minutes of polarization treatment ;

[0023] 2) Take out the material, dry it until the water content is 15%, add 120 parts of raw material treatment solution, soak in a 3000Gs magnetic field for 2 hours, and use infrared rays to irradiate intermittently during the immersion process, irradiating once every 20 minutes. Each irradiation time is 3min;

[0024] 3) Take out the material, add it to 80 parts of clean water, stir and then add 7 parts of potassium citrate, beat at a speed of 1000r / min for 1 hour, then add 2 parts of compound enzyme, and carry out enzymatic hydrolysis at 32°C for 2 hours, Prepare coarse slurry;

[0025] 4) Heat the c...

Embodiment 2

[0033] A method for preparing corrugated wood pulp, the specific steps are as follows:

[0034] 1) Take 80 parts of wood offcuts, wash and dry them, chop them up mechanically, soak the materials in 120 parts of an acidic solution with a pH of 6.3, and put them into a high-frequency electric field with a frequency of 2300MHz for polarization treatment for 30 -50min;

[0035] 2) Take out the material, dry it until the water content is 17%, add 130 parts of the raw material treatment solution, soak it in a 3000Gs magnetic field for 2.5 hours, and use infrared rays to irradiate intermittently during the immersion process, and irradiate once every 25 minutes , each irradiation time is 4min;

[0036] 3) Take out the material, add it to 90 parts of clean water, stir and then add 9 parts of potassium citrate, beat at a speed of 1100r / min for 1.5 hours, then add 2 parts of compound enzyme, and carry out enzymatic hydrolysis at 35°C for 2.5 hours h, making coarse slurry;

[0037] 4) ...

Embodiment 3

[0045] A method for preparing corrugated wood pulp, the specific steps are as follows:

[0046] 1) Take 90 parts of wood offcuts, wash and dry them, and chop them up mechanically, then soak the materials in 130 parts of an acidic solution with a pH of 6.5, and put them in a high-frequency electric field with a frequency of 2500MHz for polarization treatment for 50 minutes ;

[0047] 2) Take out the material, dry it until the water content is 20%, add 150 parts of the raw material treatment solution, soak in a 4000Gs magnetic field for 3 hours, and use infrared rays to irradiate intermittently during the immersion process, irradiating once every 30 minutes. Each irradiation time is 5min;

[0048]3) Take out the material, add it to 100 parts of clean water, stir and then add 11 parts of potassium citrate, beat at a speed of 1200r / min for 2 hours, then add 3 parts of compound enzyme, and carry out enzymatic hydrolysis at 37°C for 3 hours, Prepare coarse slurry;

[0049] 4) Hea...

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Abstract

The invention discloses a method for preparing corrugated paper wood pulp. The method comprises the steps of 1) pulverizing wood leftovers, immersing the wood leftovers in an acidic solution, and placing in a high frequency electric field for polarization treatment; 2) immersing materials after drying in raw material treatment liquid; 3) adding the treated materials to clean water, adding potassium citrate for beating, and then adding a complex enzyme for enzymatic hydrolysis; 4) adding diatomaceous earth and montmorillonite powder to crude pulp after high-temperature heating sterilization, stirring at a high speed, and then conducting screening, mechanical extrusion and defibrination to obtain the wood pulp. The wood pulp is energy-saving and environmentally friendly, and a paper productprepared by using the pulp has high strength, strong toughness, long service life and wide prospects for popularization and application.

Description

technical field [0001] The invention belongs to the technical field of papermaking, and in particular relates to a method for preparing corrugated wood pulp. Background technique [0002] Pulp is a fibrous substance made from plant fibers through different processing methods, and is generally used to make paper and cardboard. Corrugated cardboard is made into corrugated boxes through die-cutting, creasing, nailing or gluing. Corrugated boxes are the most widely used packaging products, and their consumption has always been the first among all kinds of packaging products. The strength of the traditional corrugated cartons cannot meet the demand. When storing and handling heavy goods, the cartons are easily damaged and need to be replaced, which is time-consuming and laborious. Therefore, improving the strength and toughness of pulp and enhancing the compressive strength of paper products is an urgent problem to be solved. Contents of the invention [0003] The object of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21B1/06D21B1/30D21C3/04D21C5/00D21D1/20D21D5/00
CPCD21B1/061D21B1/306D21C3/04D21C5/005D21D1/20D21D5/005
Inventor 林悦敏
Owner HEFEI LONGFA PACKING CO LTD
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