Preparation method of high-strength paper packaging material

A paper-based packaging material, high-strength technology, applied in the direction of packaging, wrapping paper, wrapping paper, etc., can solve the problems of low mechanical strength, impact, cracking, etc.

Inactive Publication Date: 2018-07-13
王建东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a preparation method of high-strength paper packaging materials for the defects that the current common paper packaging materials have low mechanical strength and tend to break during use, thereby affecting their use.

Method used

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Examples

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Effect test

Embodiment Construction

[0024] Mix sodium metaaluminate, urea and deionized water at a mass ratio of 1:5:50 and put them into a beaker to obtain a mixed solution. Move the beaker into a water bath, heat up to 70-80°C, and continue to drop into the beaker Tetraethyl orthosilicate with 30% mass of the mixed solution is kept and stirred for 2 to 3 hours to obtain the prefabricated solution; the prefabricated solution and the citric acid solution with a mass fraction of 30% are mixed according to the mass ratio of 10:1 and then transferred into a high-pressure hydrothermal kettle In a closed high-pressure hydrothermal kettle, heat it up to 200-210°C at 1.8-2.0MPa, and conduct a hydrothermal reaction for 28-30 hours. After the hydrothermal reaction is completed, filter and separate to obtain the reaction filter residue, which is then washed with absolute ethanol and deionized water. Rinse the reaction filter residue 3 to 5 times, and then dry the homemade zeolite powder after washing; mix the homemade zeol...

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Abstract

The invention relates to a preparation method of a high-strength paper packaging material, and belongs to the technical field of packaging products. The preparation method is characterized by firstly,using tetraethoxysilane as a silicon source, adding the silicon source into a mixed solution prepared from urea and an aluminum source-sodium metaaluminate, and synthesizing high-porosity zeolite byutilizing a hydrothermal method; secondly, blending the zeolite with illegal cooking oil, mildewing under the conditions of high temperature and high humidity, and then mixing a mildewed material withhelicase, thus obtaining zymolyte; finally, mixing the zymolyte with bagasse which is subjected to alkaline leaching for cooking, mixing a cooking material with other auxiliary materials for pulping,manufacturing paper with pulp, and sizing, thus obtaining the high-strength paper packaging material. The high-strength paper packaging material prepared by the invention is high in mechanical performance, is not easy to damage and has a wide application prospect.

Description

technical field [0001] The invention relates to a preparation method of a high-strength paper packaging material, which belongs to the technical field of packaging products. Background technique [0002] Paper is a traditional packaging material that provides good protection for the packaged product and is especially suitable for those products that want a natural look, very useful for unattractive products like brown products, Good printability makes it have a unique and beautiful appearance, which is a highlight that attracts people's attention. Similarly, the high quality, light weight and variety of paper packaging products make it possible to reduce postal and transportation costs as much as possible. [0003] Food packaging is a large player in the packaging industry, accounting for about 70% of the entire packaging industry. In recent years, the development of food packaging paper has become the consensus of the food and packaging industry. Paper food packaging, a gr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H27/10D21H11/12D21C5/00D21F13/00D21B1/02B27K3/20B27K5/00B27K9/00C12P1/00
CPCB27K3/20B27K5/0065B27K9/00B27K2200/15C12P1/00D21B1/021D21C5/005D21F13/00D21H11/12D21H27/10
Inventor 王建东张晶
Owner 王建东
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