阅读说明：本技术 一种育果袋纸及其制造方法 (Fruit cultivation bag paper and manufacturing method thereof ) 是由 张肖飞 陈华明 李土华 祝君 于 2019-10-29 设计创作，主要内容包括：本发明公开了一种育果袋纸,包括以下原料及质量百分比的漂白针叶木浆30～50％、漂白阔叶木浆20～30％、松香胶4～6％、硫酸铝5～7％、乳化石腊溶液8～10％、丙烯酸酯共聚物4～8％、水溶性有机氟化物树脂12～16％、柠檬酸6～10％、氯化钠1～3％、湿强剂7～9％、增白剂2～4％、抗水剂5～9％、保鲜剂8～10％和防霉杀菌剂4～10％。该发明的技术效果为防水性较高、湿强度较高、表面光滑度较好、抗菌防霉性能较高和保鲜性能较好。(The invention discloses fruit bag paper, which comprises the following raw materials, by mass, 30-50% of bleached softwood pulp, 20-30% of bleached hardwood pulp, 4-6% of rosin size, 5-7% of aluminum sulfate, 8-10% of emulsified paraffin solution, 4-8% of acrylate copolymer, 12-16% of water-soluble organic fluoride resin, 6-10% of citric acid, 1-3% of sodium chloride, 7-9% of wet strength agent, 2-4% of whitening agent, 5-9% of water repellent agent, 8-10% of preservative and 4-10% of mildew preventive. The invention has the technical effects of higher waterproofness, higher wet strength, better surface smoothness, higher antibacterial and mildewproof performance and better preservation performance.)

1. A fruit bag paper is characterized in that: the wood plastic composite material comprises the following raw materials, by mass, 30-50% of bleached softwood pulp, 20-30% of bleached hardwood pulp, 4-6% of rosin size, 5-7% of aluminum sulfate, 8-10% of emulsified paraffin solution, 4-8% of acrylate copolymer, 12-16% of water-soluble organic fluoride resin, 6-10% of citric acid, 1-3% of sodium chloride, 7-9% of wet strength agent, 2-4% of whitening agent, 5-9% of water repellent agent, 8-10% of preservative and 4-10% of mildew preventive and bactericide.

2. The fruit bag paper according to claim 1, wherein: the mildew-proof bactericide comprises the following components in parts by mass: 22-26 parts of piperine, 24-28 parts of carbendazim, 20-24 parts of litsea cubeba oil, 20-24 parts of panax notoginseng saponins, 24-28 parts of eugenol, 24-28 parts of potassium sorbate, 20-24 parts of dill seed volatile oil and 24-28 parts of vine tea extract.

3. The fruit bag paper according to claim 1, wherein: the water repellent agent comprises the following components in parts by mass: 80-160 parts of paraffin, 10-40 parts of stearic acid, 2-10 parts of borax, 1-6 parts of sodium carbonate and 6-10 parts of talcum powder.

4. The fruit bag paper according to claim 1, wherein: the preservative is prepared from the following raw materials in parts by weight: 28-30 parts of ethoxyquinoline, 5-11 parts of gelatin, 3-7 parts of citric acid, 2-8 parts of eugenol, 1-3 parts of sodium carbonate, 6-8 parts of butyl hydroxy anisole and 10-16 parts of water.

5. The fruit bag paper according to claim 1, wherein: the wet strength agent is a high wet strength starch adhesive, and the high wet strength starch adhesive comprises the following raw materials in parts by weight: 100 parts of potato starch, 5 parts of sorbitol, 1 part of ammonium persulfate, 15 parts of carboxymethyl cellulose, 2 parts of tert-butyl peroxybenzoate, 40 parts of butylbenzene emulsion, 12 parts of acrylic ester, 1 part of borax, 3 parts of sodium monofluorophosphate, 5 parts of polyacrylamide, 10 parts of vinyl acetate, 2.5 parts of 1, 2-benzisothiazolin-3-one, 3 parts of melamine formaldehyde resin, 1600 parts of deionized water and 5 parts of stearic acid.

6. A method for manufacturing fruit-cultivating bag paper is characterized in that: the method specifically comprises the following steps:

the method comprises the following steps: blending bleached softwood pulp and bleached hardwood pulp, performing hydraulic pulping treatment, putting the pulp into a pulp storage tank, and grinding the pulp until the beating degree is 30-degree SR;

step two: putting the wet weight of 4-8 g into a mixing and stirring tank, adding rosin size, aluminum sulfate, an emulsified paraffin solution, an acrylate copolymer, a water-soluble organic fluoride resin, citric acid, sodium chloride and a whitening agent into the mixing and stirring tank, mixing and stirring for 1-2 hours, adding a preservative and a mildew-proof bactericide while stirring, heating to 40-50 ℃, standing for 30-40 min, and continuously stirring for 2-3 hours to prepare slurry;

step three: preparation and addition of water repellent: adding 150 parts of paraffin and 40 parts of stearic acid into a reactor according to the mass parts, heating to 80 ℃, adding 10 parts of borax and 6 parts of soda ash, uniformly stirring, adding 2600 parts of water for dilution, stirring for 3 hours at 50 ℃, finally obtaining a water repellent agent, dividing the prepared water repellent agent into a plurality of equal parts, adding the equal parts into the prepared slurry at intervals of 10-20 min, stirring and mixing while adding until the water repellent agent is added, and then continuously mixing and stirring for 30-40 min to obtain a mixed slurry;

step four: and (3) adjusting the prepared mixed slurry by using a wet strength agent, then placing the mixed slurry into a material well of a paper making machine, controlling the quantitative determination of 30-40 g/square meter, making the pulp by using the paper making machine, performing surface wax coating according to 1-3 g/square meter paraffin emulsion, reeling, slitting and rewinding to obtain the finished fruit bag paper.

Technical Field

The invention relates to fruit cultivating bag paper and the technical field of processes, in particular to fruit cultivating bag paper and a manufacturing method thereof.

Background

The fruit cultivating bag has great effect on the growth of apples and is more and more commonly used by fruit growers. Can reduce the use of pesticide and pollution. The fruit surface is clean, no branch is ground, no birds or insects are hurt, and the appearance quality of the fruit is greatly improved. Can reduce the incidence of plant diseases and insect pests and improve the internal quality of fruits. Can promote fruit thinning and improve the fruit-selecting rate to ensure reasonable loading of the tree body. Although the fruit cultivating bag has such great functions and effects, the fruit cultivating bag has high requirements on the fruit cultivating bag, such as high requirements on water resistance, wet strength, surface smoothness, antibacterial and mildewproof performance and fresh-keeping performance of the fruit cultivating bag, and the current fruit cultivating bag has the problem that the performance indexes are difficult to meet in the production, preparation and use of materials.

Therefore, it is necessary to design a fruit bag paper with high water resistance, high wet strength, good surface smoothness, high antibacterial and mildewproof performance and good fresh-keeping performance and a manufacturing method thereof.

Disclosure of Invention

The invention aims to provide fruit bag paper and a manufacturing method thereof, which aim to solve the problems in the background technology.

In order to realize the purpose, the invention provides the following technical scheme: the fruit bag paper comprises the following raw materials, by mass, 30-50% of bleached softwood pulp, 20-30% of bleached hardwood pulp, 4-6% of rosin size, 5-7% of aluminum sulfate, 8-10% of emulsified paraffin wax solution, 4-8% of acrylate copolymer, 12-16% of water-soluble organic fluoride resin, 6-10% of citric acid, 1-3% of sodium chloride, 7-9% of wet strength agent, 2-4% of whitening agent, 5-9% of water repellent agent, 8-10% of preservative and 4-10% of mildew preventive and bactericide.

Preferably, the mildew-proof bactericide consists of the following components in parts by mass: 22-26 parts of piperine, 24-28 parts of carbendazim, 20-24 parts of litsea cubeba oil, 20-24 parts of panax notoginseng saponins, 24-28 parts of eugenol, 24-28 parts of potassium sorbate, 20-24 parts of dill seed volatile oil and 24-28 parts of vine tea extract.

Preferably, the water repellent agent consists of the following components in parts by mass: 80-160 parts of paraffin, 10-40 parts of stearic acid, 2-10 parts of borax, 1-6 parts of sodium carbonate and 6-10 parts of talcum powder.

Preferably, the preservative is prepared from the following raw materials in parts by weight: 28-30 parts of ethoxyquinoline, 5-11 parts of gelatin, 3-7 parts of citric acid, 2-8 parts of eugenol, 1-3 parts of sodium carbonate, 6-8 parts of butyl hydroxy anisole and 10-16 parts of water.

Preferably, the wet strength agent is a high wet strength starch adhesive, and the high wet strength starch adhesive comprises the following raw materials in parts by weight: 100 parts of potato starch, 5 parts of sorbitol, 1 part of ammonium persulfate, 15 parts of carboxymethyl cellulose, 2 parts of tert-butyl peroxybenzoate, 40 parts of butylbenzene emulsion, 12 parts of acrylic ester, 1 part of borax, 3 parts of sodium monofluorophosphate, 5 parts of polyacrylamide, 10 parts of vinyl acetate, 2.5 parts of 1, 2-benzisothiazolin-3-one, 3 parts of melamine formaldehyde resin, 1600 parts of deionized water and 5 parts of stearic acid.

A method for manufacturing fruit-cultivating bag paper specifically comprises the following steps:

the method comprises the following steps: blending bleached softwood pulp and bleached hardwood pulp, performing hydraulic pulping treatment, putting the pulp into a pulp storage tank, and grinding the pulp until the beating degree is 30-degree SR;

step two: putting the wet weight of 4-8 g into a mixing and stirring tank, adding rosin size, aluminum sulfate, an emulsified paraffin solution, an acrylate copolymer, a water-soluble organic fluoride resin, citric acid, sodium chloride and a whitening agent into the mixing and stirring tank, mixing and stirring for 1-2 hours, adding a preservative, a mildew-proof bactericide and a water-resistant agent while stirring, heating to 40-50 ℃, standing for 30-40 min, and continuously stirring for 2-3 hours to prepare a mixed slurry;

step three: preparation and addition of water repellent: adding 150 parts of paraffin and 40 parts of stearic acid into a reactor according to the mass parts, heating to 80 ℃, adding 10 parts of borax and 6 parts of soda ash, uniformly stirring, adding 2600 parts of water for dilution, stirring for 3 hours at 50 ℃, finally obtaining a water repellent agent, dividing the prepared water repellent agent into a plurality of equal parts, adding the equal parts into the prepared slurry at intervals of 10-20 min, stirring and mixing while adding until the water repellent agent is added, and then continuously mixing and stirring for 30-40 min to obtain a mixed slurry;

step four: and (3) adjusting the prepared mixed slurry by using a wet strength agent, then placing the mixed slurry into a material well of a paper making machine, controlling the quantitative determination of 30-40 g/square meter, making the pulp by using the paper making machine, performing surface wax coating according to 1-3 g/square meter paraffin emulsion, reeling, slitting and rewinding to obtain the finished fruit bag paper.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the fruit bag paper, the water-resistant agent is added into the slurry, and the water-resistant agent comprises paraffin, stearic acid, borax, sodium carbonate and talcum powder, so that the smoothness of the outer surface of the prepared fruit bag paper is ensured, the waterproof performance of the fruit bag paper is improved, the pollution to fruits due to pesticide spraying can be better prevented, and the weather erosion in summer and autumn can be resisted.

2. The fruit bag paper has the advantages that the preservative is added into the pulp, wherein the preservative comprises ethoxyquin, gelatin, citric acid, eugenol, sodium carbonate, butyl hydroxy anisol and water, so that the preservative performance of the fruit bag paper is realized, and the fresh protection performance of the fruit bag paper on fruits is improved.

3. According to the fruit cultivation bag paper, rosin size, aluminum sulfate, an emulsified paraffin solution, an acrylate copolymer and water-soluble organic fluoride resin are added into the slurry, and surface waxing is performed according to 1-3 g/square meter paraffin emulsion in the preparation method, so that the smoothness of the surface of the fruit cultivation bag paper is further improved, the protection effect on fruits is improved, the pollution to the fruits due to pesticide spraying can be better prevented, and the weather erosion in the two seasons of summer and autumn can be resisted.

4. According to the fruit cultivation bag paper, the mildew-proof bactericides, namely the piperine, the carbendazim, the litsea cubeba oil, the panax notoginseng saponins, the eugenol, the potassium sorbate, the dill seed volatile oil and the vine tea extract are added into the pulp to prepare the food-grade mildew-proof bactericides, so that the better antibacterial and mildew-proof effects can be achieved.

5. According to the fruit bag paper, the wet strength agent is added into the pulp, and the wet strength agent is a high wet strength starch adhesive, wherein the high wet strength starch adhesive comprises potato starch, sorbitol, ammonium persulfate, carboxymethyl cellulose, tert-butyl peroxybenzoate, styrene-butadiene emulsion, acrylic ester, borax, sodium monofluorophosphate, polyacrylamide, vinyl acetate, 1, 2-benzisothiazolin-3-one, melamine formaldehyde resin, deionized water and stearic acid, so that fruits cannot be damaged while wet strength is ensured.

Drawings

FIG. 1 is a table diagram of experimental data of the fruit bag paper in the example.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.