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A kind of production method of high-performance environment-friendly fruit bag paper

A fruit-cultivating bag paper, high-performance technology, applied in papermaking, paper, paper coatings, etc., can solve problems such as chemical loss, reduce consumption, reduce costs, and solve the effects of uneven coloring

Inactive Publication Date: 2019-12-31
中国制浆造纸研究院衢州分院 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] This method does not add carbon black, wax emulsion and other pigments and dyes in the base paper forming process, and solves the above-mentioned problem of chemicals being lost with white water

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 1

[0024] High shading rate fruit bag inner bag paper (for apples), mainly includes the following three processes: base paper forming process, hot-melt paraffin-based coating process and laser drilling process.

[0025] (1) Base paper forming process: Mix according to the amount of softwood pulp 30%, the amount of hardwood pulp 30%, and the amount of chemical-mechanical pulp 40%, beating to 45°SR, and then add the relative dry pulp quality to the mixed pulp 2.0% wet strength agent, 1.6% AKD relative to the absolute dry pulp quality, diluted, then formed on the Internet, dried, and calendered to prepare fruit bag paper base paper. The Cobb water absorption value of the produced fruit bag paper base paper is 23.1g / m 2 , air permeability 8.0μm / (pa•s), smoothness 20s.

[0026] (2) Hot-melt paraffin-based coating process: heat 100 parts of paraffin to 110°C to completely melt the paraffin, then add 30 parts of carbon black to the molten paraffin, add 0.1 part of dispersant, 1.0 part...

Embodiment 2

[0030] Single-layer high shading rate fruit bag paper (for apples) mainly includes the following three processes: base paper forming process, hot-melt paraffin-based coating process and laser drilling process.

[0031] (1) Base paper forming process: Mix according to the amount of softwood pulp 30%, hardwood pulp 40%, and chemical-mechanical pulp 30%, beat to 30°SR, and then add relative dry pulp quality to the mixed pulp 2.5% wet strength agent, 1.4% AKD relative to the absolute dry pulp mass, diluted, then formed on the Internet, dried, and calendered to prepare fruit bag paper base paper. The Cobb water absorption value of the produced fruit bag paper base paper is 25.0 g / m 2 , The air permeability is 10.0μm / (pa•s), and the smoothness is 40s.

[0032] (2) Hot-melt paraffin-based coating process: heat 100 parts of paraffin to 90°C to completely melt the paraffin, then add 40 parts of carbon black to the molten paraffin, add 0.5 parts of dispersant, 2.0 parts of binder, Sti...

Embodiment 3

[0036] The outer yellow and inner black two-color high shading rate fruit bag paper (for apples, pears, etc.) mainly includes the following three processes: base paper forming process, hot-melt paraffin-based coating process and laser drilling process.

[0037] (1) Base paper forming process: Mix according to the amount of softwood pulp 35%, hardwood pulp 35%, and chemical-mechanical pulp 30%, beat to 50°SR, and then add relative dry pulp quality to the mixed pulp 1.2% wet strength agent, 0.8% AKD relative to the absolute dry pulp mass, diluted, then formed on the Internet, dried, and calendered to prepare fruit bag paper base paper, the Cobb water absorption value of the produced fruit bag paper base paper is 30.0g / m 2 , air permeability 5.0μm / (pa•s), smoothness 35s.

[0038] (2) Hot-melt paraffin-based coating process: heat 100 parts of paraffin to 100 ° C to completely melt the paraffin, then add 20 parts of carbon black to the molten paraffin, add 0.2 parts of dispersant...

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Abstract

The invention relates to a novel production method of high-performance environment-friendly fruit-bagged paper. The novel fruit-bagged paper production method mainly includes three processes, namely the body paper forming process, the hot-melting paraffin base coating process and the laser drilling process. The fruit-bagged paper prepared by means of the method is high in water resistance and high in air permeability, meets the light-shading performance requirement, is low in production cost and meets the requirements of environmental protection.

Description

technical field [0001] The invention relates to a production method of special paper, in particular to a production method of high-performance environmental protection fruit bag paper. Background technique [0002] Fruit bagging paper is a special paper used for fruit bagging during the growth and development period of fruit trees. It is a high-tech and high value-added agricultural technical paper for bagging protection of fruits. It can be used for apples, pears, etc. , grapes and other fruit cultivation. After adopting the fruit bagging technology, the coloring degree, cleanliness, integrity and high fruit rate of the fruit can be greatly improved, and the fruit grown is bright in color, free from blemishes, and large in shape. Fruit bagging can also avoid a large amount of pesticide residues on the fruit, adjust the ripening period of the fruit, and prolong the storage time of the fruit. Fruit bagging technology is an effective measure to produce high-quality, high-gra...

Claims

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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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21F9/00D21H19/18D21H23/52B23K26/382D21H19/84
CPCB23K26/382D21F9/00D21H19/18D21H19/84D21H23/52
Inventor 孙先启刘文季剑锋史海真周立春
Owner 中国制浆造纸研究院衢州分院
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