Production method for packaging paper

A production method and technology for wrapping paper, applied in the field of papermaking, can solve the problems of difficulty in forming, poor quality, poor paper tearing degree and tensile strength, etc., and achieve the effects of wide application range, simple method and good air permeability.

Inactive Publication Date: 2015-11-25
HEFEI LONGFA PACKING CO LTD
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  • Summary
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  • Application Information

AI Technical Summary

Problems solved by technology

However, in papermaking, the wood part of trees is now mostly used for papermaking, while the roots and bark are less utilized, especially poplars with a faster growth rate, which are rarely used. The reason is the quality of paper made from poplar roots. Poor, not easy to shape, poor tearing and tensile strength of paper

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] A production method of wrapping paper, which is produced by the following method:

[0017] (1) Take 50 parts of poplar root bark and 40 parts of Chinese fir bark by weight, wash and crush them into powders with a particle size of 3-5mm, and then mix them with 0.25 parts of baking soda, 3 parts of calcium carbonate, and acetic acid with a mass fraction of 10%. Mix 3 parts of ethyl ester ethanol solution at 0.58kg / cm 2 Knead under pressure for 2 hours;

[0018] (2) Add the raw material processed in step (1) into distilled water that is 3 times the weight of the raw material, and stir for 1 hour to obtain slurry A;

[0019] (3) Add 8 parts of modified starch to slurry A, add 8 parts of modified starch to slurry A, ultrasonically treat for 3-5min, and the ultrasonic frequency is 22kHz-24kHz;

[0020] (4) Heat the raw materials processed in step (3) at 95°C for 10-15 minutes, and stir during the heat preservation process;

[0021] (5) Beating the raw materials processed i...

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Abstract

The invention relates to a production method for packaging paper. The production method for the packaging paper includes the following steps: 1, by weight, 50 parts of alamo root bark and 40 parts of taxus bark are cleaned and then broken into powder with the particle size of 3 mm to 5 mm, and then the powder, 0.25 part of baking soda, 3 parts of calcium carbonate and 3 parts of ethyl acetate ethanol solutions are mixed to be kneaded for 2 h; 2, the raw materials processed in the step 1 are added into distilled water with the weight three times that of the raw materials to be stirred for 1 h, and pulp A is obtained; 3, 8 parts of modified starch are added into the pulp A, and ultrasonic processing is carried out; 4, heat preservation is carried out on the raw materials processed in the step 3 at the temperature of 95 DEG C, and stirring is carried out in the heat preserving process; 5, the raw materials processed in the step 4 are pulped; 6, the raw materials processed in the step 5 are formed through molds and dried, and the packaging paper is obtained. The produced packaging paper can be naturally degraded, the pollution to the environment is avoided, and the packaging paper is nontoxic and wide in application range.

Description

technical field [0001] The invention belongs to the field of papermaking, and in particular relates to a production method of wrapping paper. Background technique [0002] In view of the increasing environmental pressure of traditional plastic packaging materials, the development of degradable packaging materials has become the focus of current scientific and technological research. However, due to material and technical problems, the current degradable plastics still cannot be completely degraded, and the cost is high, so they have not yet been put into large-scale production and use. [0003] The packaging material obtained by making paper from natural materials is completely made of natural edible starch, which can be completely degraded and fundamentally solves the problem of environmental pollution. However, in papermaking, the wood part of trees is now mostly used for papermaking, while the roots and bark are less utilized, especially poplars with a faster growth rate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21J3/12D21H27/10D21H15/10D21H17/67D21H17/28
Inventor 林悦敏
Owner HEFEI LONGFA PACKING CO LTD
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