CN112376317A - Preparation method of low-cost cold-resistant ratproof and ant-proof packaging box - Google Patents
Preparation method of low-cost cold-resistant ratproof and ant-proof packaging box Download PDFInfo
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- CN112376317A CN112376317A CN202011299141.XA CN202011299141A CN112376317A CN 112376317 A CN112376317 A CN 112376317A CN 202011299141 A CN202011299141 A CN 202011299141A CN 112376317 A CN112376317 A CN 112376317A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/22—Proteins
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/02—Material of vegetable origin
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/14—Carboxylic acids; Derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
The invention discloses a preparation method of a low-cost cold-resistant rat-proof and ant-proof packing box, which comprises the steps of preparing a gel substance by taking a recovered refractory material as a raw material, treating single-layer corrugated paper, then doping the recovered refractory material with a mixed adhesive to prepare a water-based coating, coating the water-based coating on the single-layer corrugated paper, then immersing the single-layer corrugated paper into a cold-resistant emulsion to be cured into a film and drying the film, thus obtaining paper for the packing box, and cutting and forming the paper for the packing. The packaging box has a very good cold-resistant effect due to the addition of the mixed adhesive consisting of the waterborne acrylic resin, the waterborne epoxy modified acrylic resin and the modified melamine formaldehyde resin, and can achieve the effect of repelling rats and ants by adding the traditional Chinese medicine components consisting of the Chinese paris polyphylla, camphor leaves, pepper and agastache rugosus; in order to improve the effect of expelling mice and ants in the packaging box at low temperature, the cold-resistant emulsion is added with glycerol and ethanol, so that the volatilization effect of the traditional Chinese medicine extract at low temperature can be effectively improved.
Description
Technical Field
The invention relates to the technical field of packaging materials, in particular to a preparation method of a low-cost cold-resistant ratproof and ant-proof packaging box.
Background
Express delivery is a door-to-door logistics activity with a mail delivery function, namely, an express company delivers customer goods quickly through transportation means such as railway transportation, road transportation, air transportation and shipping. In many respects, courier is preferred over postal delivery services. In addition to faster delivery to a destination and having to sign-in, many express carriers now provide mail tracking, delivery time commitments, and other customer-specific services. Thus, courier charges are much higher than general postal deliveries.
One of the main raw materials for express delivery is a packaging box, general express delivery companies neglect the environmental protection performance and even the strength of the packaging box due to the fact that the ordinary express delivery companies simply pursue low cost, mice and ants are very easy to be invited in the process of transporting and storing express delivery, and in order to improve the safety of the express delivery, a preparation method of the low-cost cold-resistant rat and ant prevention packaging box is needed to be researched.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a preparation method of a low-cost cold-resistant ratproof and ant-proof packaging box.
The technical scheme of the invention is as follows:
a preparation method of a low-cost cold-resistant ratproof and ant-proof packaging box comprises the following steps:
A. repeatedly crushing the recovered refractory materials, and grading to obtain three types of recovered refractory materials with the particle size of less than 800 meshes, the particle size of between 300-800 meshes and the particle size of more than 300 meshes, wherein the recovered refractory materials with the particle size of more than 300 meshes are continuously crushed, and the other two types of recovered refractory materials with the particle sizes are reserved;
B. adding the recovered refractory material with the particle size of less than 800 meshes into water, performing high-speed dispersion, then adding gelatin, heating to obtain emulsion, dropwise adding 8-15% acetic acid solution to adjust the system to a certain pH value, coagulating the gelatin, keeping the temperature for 12-20min to obtain a gel substance, and pouring the gel substance into a glue pool;
C. soaking the single-layer corrugated paper in a glue pool for 8-15s, taking out the single-layer corrugated paper, drying the single-layer corrugated paper in a gradient drying mode, and curling the single-layer corrugated paper for later use;
D. weighing a mixed adhesive consisting of water-based acrylic resin, water-based epoxy modified acrylic resin and modified melamine formaldehyde resin, adding a recycled refractory material with the particle size of 300-800 meshes, uniformly stirring by using a high-speed stirrer, and adding a film-forming agent, a defoaming agent and a water-retaining agent to obtain a water-based coating;
E. c, coating the single-layer corrugated paper in the step C with a water-based paint, and then soaking the single-layer corrugated paper into the cold-resistant emulsion; after the single-layer corrugated paper is completely solidified into a film, putting the film-formed single-layer corrugated paper into a drying oven at the temperature of 80-120 ℃, and drying for 15-25 min; and (3) cooling the single-layer corrugated paper to obtain paper for the packaging box, cutting the paper for the packaging box into a proper size according to the actual application requirement, and manufacturing the paper for the packaging box into the packaging box.
Preferably, in the step a, the recycled refractories are recycled from steelmaking refractories; the weight proportion of corundum is more than or equal to 15%, the weight proportion of magnesia is more than or equal to 10%, and the weight proportion of spinel is more than or equal to 5%.
Preferably, in the step C, the density of the single-layer corrugated paper is 40-50g/m2。
Preferably, in the step D, the mass ratio of the aqueous acrylic resin, the aqueous epoxy modified acrylic resin and the modified melamine formaldehyde resin is 10: (5-8): (3-5).
Preferably, the mass ratio of the mixed adhesive to the recycled refractory material is 1: (2-6).
Preferably, in the step E, the traditional Chinese medicine ingredients of the cold-resistant emulsion for preventing rat and ants are traditional Chinese medicine ingredients.
Preferably, in the step E, the traditional Chinese medicine component for preventing rat and ant is a mixed extract of seven-leaf daphne herb, camphor tree leaves, pepper and agastache rugosus.
Preferably, in the step E, the cold-resistant emulsion comprises the following components in percentage by weight: 0.1-0.3% of murraya paniculata extract, 1-2% of camphor tree leaf extract, 0.2-0.5% of pepper extract, 0.5-1.2% of agastache rugosus extract, 10-20% of ethanol, 5-8% of sodium dodecyl sulfate, 15-25% of glycerol and the balance of water.
The invention has the advantages that: the preparation method of the low-cost cold-resistant rat and ant prevention packaging box adopts the recovered refractory materials as raw materials to prepare gel-like substances to treat single-layer corrugated paper, then adopts mixed adhesives to be doped into the recovered refractory materials to prepare water-based paint to be coated on the single-layer corrugated paper, then the single-layer corrugated paper is soaked into cold-resistant emulsion to be cured into a film and dried, so that the packaging box paper can be obtained, and the packaging box paper is cut and molded to prepare the packaging box. The packaging box has a very good cold-resistant effect due to the addition of the mixed adhesive consisting of the waterborne acrylic resin, the waterborne epoxy modified acrylic resin and the modified melamine formaldehyde resin, and can achieve the effect of repelling rats and ants by adding the traditional Chinese medicine components consisting of the Chinese paris polyphylla, camphor leaves, pepper and agastache rugosus; in order to improve the effect of expelling mice and ants in the packaging box at low temperature, the cold-resistant emulsion is added with glycerol and ethanol, so that the volatilization effect of the traditional Chinese medicine extract at low temperature can be effectively improved.
Detailed Description
Example 1:
a preparation method of a low-cost cold-resistant ratproof and ant-proof packaging box comprises the following steps:
A. repeatedly crushing the recovered refractory materials, and grading to obtain three types of recovered refractory materials with the particle size of less than 800 meshes, the particle size of between 300-800 meshes and the particle size of more than 300 meshes, wherein the recovered refractory materials with the particle size of more than 300 meshes are continuously crushed, and the other two types of recovered refractory materials with the particle sizes are reserved;
B. adding the recovered refractory material with the particle size of less than 800 meshes into water, performing high-speed dispersion, then adding gelatin, heating to obtain emulsion, dropwise adding 13% acetic acid solution to adjust the system to a certain pH value, condensing the gelatin, keeping the temperature for 18min to obtain a gel substance, and pouring the gel substance into a glue pool;
C. soaking the single-layer corrugated paper in a glue pool for 12s, taking out the single-layer corrugated paper, drying the single-layer corrugated paper in a gradient drying mode, and curling the single-layer corrugated paper for later use;
D. weighing a mixed adhesive consisting of water-based acrylic resin, water-based epoxy modified acrylic resin and modified melamine formaldehyde resin, adding a recycled refractory material with the particle size of 300-800 meshes, uniformly stirring by using a high-speed stirrer, and adding a film-forming agent, a defoaming agent and a water-retaining agent to obtain a water-based coating;
E. c, coating the single-layer corrugated paper in the step C with a water-based paint, and then soaking the single-layer corrugated paper into the cold-resistant emulsion; after the single-layer corrugated paper is completely cured to form a film, putting the single-layer corrugated paper into a drying box at 105 ℃, and drying for 20 min; and (3) cooling the single-layer corrugated paper to obtain paper for the packaging box, cutting the paper for the packaging box into a proper size according to the actual application requirement, and manufacturing the paper for the packaging box into the packaging box.
In the step A, the recycled refractory is recycled from the refractory for steelmaking; the weight proportion of corundum is more than or equal to 15%, the weight proportion of magnesia is more than or equal to 10%, and the weight proportion of spinel is more than or equal to 5%.
In the step C, the density of the single-layer corrugated paper is 45g/m2。
In the step D, the mass ratio of the waterborne acrylic resin, the waterborne epoxy modified acrylic resin and the modified melamine formaldehyde resin is 10: 7: 4.
the mass ratio of the mixed adhesive to the recycled refractory material is 1: 5.
in the step E, the cold-resistant emulsion contains traditional Chinese medicine components for preventing rat and ants.
In the step E, the traditional Chinese medicine components for preventing rats and ants are mixed extracts of seven-leaf daphne herb, camphor tree leaves, pepper and agastache rugosus.
In the step E, the cold-resistant emulsion comprises the following components in percentage by weight: 0.25% of murraya paniculata extract, 1.5% of camphor tree leaf extract, 0.35% of pepper extract, 0.8% of wrinkled gianthyssop extract, 15% of ethanol, 7% of sodium dodecyl sulfate, 22% of glycerol and the balance of water.
Example 2:
a preparation method of a low-cost cold-resistant ratproof and ant-proof packaging box comprises the following steps:
A. repeatedly crushing the recovered refractory materials, and grading to obtain three types of recovered refractory materials with the particle size of less than 800 meshes, the particle size of between 300-800 meshes and the particle size of more than 300 meshes, wherein the recovered refractory materials with the particle size of more than 300 meshes are continuously crushed, and the other two types of recovered refractory materials with the particle sizes are reserved;
B. adding the recovered refractory material with the particle size of less than 800 meshes into water, performing high-speed dispersion, then adding gelatin, heating to obtain emulsion, dropwise adding a 15% acetic acid solution to adjust the system to a certain pH value, condensing the gelatin, keeping the temperature for 12min to obtain a gel substance, and pouring the gel substance into a glue pool;
C. soaking the single-layer corrugated paper in a glue pool for 15s, taking out the single-layer corrugated paper, drying the single-layer corrugated paper in a gradient drying mode, and curling the single-layer corrugated paper for later use;
D. weighing a mixed adhesive consisting of water-based acrylic resin, water-based epoxy modified acrylic resin and modified melamine formaldehyde resin, adding a recycled refractory material with the particle size of 300-800 meshes, uniformly stirring by using a high-speed stirrer, and adding a film-forming agent, a defoaming agent and a water-retaining agent to obtain a water-based coating;
E. c, coating the single-layer corrugated paper in the step C with a water-based paint, and then soaking the single-layer corrugated paper into the cold-resistant emulsion; after the single-layer corrugated paper is completely solidified into a film, putting the film-formed single-layer corrugated paper into a drying box at 80 ℃, and drying for 25 min; and (3) cooling the single-layer corrugated paper to obtain paper for the packaging box, cutting the paper for the packaging box into a proper size according to the actual application requirement, and manufacturing the paper for the packaging box into the packaging box.
In the step A, the recycled refractory is recycled from the refractory for steelmaking; the weight proportion of corundum is more than or equal to 15%, the weight proportion of magnesia is more than or equal to 10%, and the weight proportion of spinel is more than or equal to 5%.
In the step C, the density of the single-layer corrugated paper is 40g/m2。
In the step D, the mass ratio of the waterborne acrylic resin, the waterborne epoxy modified acrylic resin and the modified melamine formaldehyde resin is 10: 5: 3.
the mass ratio of the mixed adhesive to the recycled refractory material is 1: 6.
in the step E, the cold-resistant emulsion contains traditional Chinese medicine components for preventing rat and ants.
In the step E, the traditional Chinese medicine components for preventing rats and ants are mixed extracts of seven-leaf daphne herb, camphor tree leaves, pepper and agastache rugosus.
In the step E, the cold-resistant emulsion comprises the following components in percentage by weight: 0.3 percent of murraya paniculata extract, 1 percent of camphor tree leaf extract, 0.5 percent of pepper extract, 0.5 percent of wrinkled gianthyssop extract, 20 percent of ethanol, 5 percent of sodium dodecyl sulfate, 25 percent of glycerol and the balance of water.
Example 3:
a preparation method of a low-cost cold-resistant ratproof and ant-proof packaging box comprises the following steps:
A. repeatedly crushing the recovered refractory materials, and grading to obtain three types of recovered refractory materials with the particle size of less than 800 meshes, the particle size of between 300-800 meshes and the particle size of more than 300 meshes, wherein the recovered refractory materials with the particle size of more than 300 meshes are continuously crushed, and the other two types of recovered refractory materials with the particle sizes are reserved;
B. adding the recovered refractory material with the particle size of less than 800 meshes into water, performing high-speed dispersion, then adding gelatin, heating to obtain emulsion, dropwise adding 8% acetic acid solution to adjust the system to a certain pH value, condensing the gelatin, keeping the temperature for 20min to obtain a gel substance, and pouring the gel substance into a glue pool;
C. soaking the single-layer corrugated paper in a glue pool for 8s, taking out the single-layer corrugated paper, drying the single-layer corrugated paper in a gradient drying mode, and curling the single-layer corrugated paper for later use;
D. weighing a mixed adhesive consisting of water-based acrylic resin, water-based epoxy modified acrylic resin and modified melamine formaldehyde resin, adding a recycled refractory material with the particle size of 300-800 meshes, uniformly stirring by using a high-speed stirrer, and adding a film-forming agent, a defoaming agent and a water-retaining agent to obtain a water-based coating;
E. c, coating the single-layer corrugated paper in the step C with a water-based paint, and then soaking the single-layer corrugated paper into the cold-resistant emulsion; after the film is completely solidified into a film, putting the single-layer corrugated paper into a drying oven at 120 ℃, and drying for 15 min; and (3) cooling the single-layer corrugated paper to obtain paper for the packaging box, cutting the paper for the packaging box into a proper size according to the actual application requirement, and manufacturing the paper for the packaging box into the packaging box.
In the step A, the recycled refractory is recycled from the refractory for steelmaking; the weight proportion of corundum is more than or equal to 15%, the weight proportion of magnesia is more than or equal to 10%, and the weight proportion of spinel is more than or equal to 5%.
In the step C, the density of the single-layer corrugated paper is 50g/m2。
In the step D, the mass ratio of the waterborne acrylic resin, the waterborne epoxy modified acrylic resin and the modified melamine formaldehyde resin is 10: 8: 5.
the mass ratio of the mixed adhesive to the recycled refractory material is 1: 2.
in the step E, the cold-resistant emulsion contains traditional Chinese medicine components for preventing rat and ants.
In the step E, the traditional Chinese medicine components for preventing rats and ants are mixed extracts of seven-leaf daphne herb, camphor tree leaves, pepper and agastache rugosus.
In the step E, the cold-resistant emulsion comprises the following components in percentage by weight: 0.1% of murraya paniculata extract, 2% of camphor tree leaf extract, 0.2% of pepper extract, 1.2% of wrinkled gianthyssop extract, 10% of ethanol, 8% of sodium dodecyl sulfate, 15% of glycerol and the balance of water.
The packaging papers of examples 1 to 3 were tested to obtain the following test data, which are shown in Table 1.
Table 1: test data of the paper for a package in examples 1 to 3;
| example 1 | Example 2 | Example 3 | |
| Thickness (mm) | 10.0 | 10.0 | 10.0 |
| Density (g/m)2） | 55 | 54 | 57 |
| Stiffness (mN.m) | 1.87 | 1.85 | 1.91 |
| Stiffness at-40 ℃ (mN. m) | 1.82 | 1.80 | 1.88 |
From the above test data, it can be seen that the package according to the invention has very good strength even at low temperatures.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The preparation method of the low-cost cold-resistant ratproof and ant-proof packaging box is characterized by comprising the following steps of:
A. repeatedly crushing the recovered refractory materials, and grading to obtain three types of recovered refractory materials with the particle size of less than 800 meshes, the particle size of between 300-800 meshes and the particle size of more than 300 meshes, wherein the recovered refractory materials with the particle size of more than 300 meshes are continuously crushed, and the other two types of recovered refractory materials with the particle sizes are reserved;
B. adding the recovered refractory material with the particle size of less than 800 meshes into water, performing high-speed dispersion, then adding gelatin, heating to obtain emulsion, dropwise adding 8-15% acetic acid solution to adjust the system to a certain pH value, coagulating the gelatin, keeping the temperature for 12-20min to obtain a gel substance, and pouring the gel substance into a glue pool;
C. soaking the single-layer corrugated paper in a glue pool for 8-15s, taking out the single-layer corrugated paper, drying the single-layer corrugated paper in a gradient drying mode, and curling the single-layer corrugated paper for later use;
D. weighing a mixed adhesive consisting of water-based acrylic resin, water-based epoxy modified acrylic resin and modified melamine formaldehyde resin, adding a recycled refractory material with the particle size of 300-800 meshes, uniformly stirring by using a high-speed stirrer, and adding a film-forming agent, a defoaming agent and a water-retaining agent to obtain a water-based coating;
E. c, coating the single-layer corrugated paper in the step C with a water-based paint, and then soaking the single-layer corrugated paper into the cold-resistant emulsion; after the single-layer corrugated paper is completely solidified into a film, putting the film-formed single-layer corrugated paper into a drying oven at the temperature of 80-120 ℃, and drying for 15-25 min; and (3) cooling the single-layer corrugated paper to obtain paper for the packaging box, cutting the paper for the packaging box into a proper size according to the actual application requirement, and manufacturing the paper for the packaging box into the packaging box.
2. The method for preparing the low-cost cold-resistant rat and ant prevention packaging box as claimed in claim 1, wherein in the step A, the recycled refractory material is recycled from a refractory material for steelmaking; the weight proportion of corundum is more than or equal to 15%, the weight proportion of magnesia is more than or equal to 10%, and the weight proportion of spinel is more than or equal to 5%.
3. The method for preparing the low-cost cold-resistant ratproof and ant-proof packing box as claimed in claim 1, wherein in the step C, the density of the single-layer corrugated paper is 40-50g/m2。
4. The preparation method of the low-cost cold-resistant ratproof and ant-proof packaging box according to claim 1, wherein in the step D, the mass ratio of the water-based acrylic resin, the water-based epoxy modified acrylic resin and the modified melamine formaldehyde resin is 10: (5-8): (3-5).
5. The preparation method of the low-cost cold-resistant ratproof and ant-proof packaging box as claimed in claim 1, wherein the mass ratio of the mixed adhesive to the recycled refractory material is 1: (2-6).
6. The method for preparing the low-cost cold-resistant ratproof ant packaging box as claimed in claim 1, wherein in the step E, the cold-resistant emulsion contains traditional Chinese medicine components for preventing ratproof ants.
7. The method for preparing the low-cost cold-resistant rat and ant prevention packaging box as claimed in claim 6, wherein in the step E, the traditional Chinese medicine components for preventing rat and ant are mixed extracts of seven-leaf daphne herb, camphor tree leaves, pepper and agastache rugosus.
8. The method for preparing the low-cost cold-resistant ratproof and ant-proof packaging box as claimed in claim 1, wherein in the step E, the cold-resistant emulsion comprises the following components in percentage by weight: 0.1-0.3% of murraya paniculata extract, 1-2% of camphor tree leaf extract, 0.2-0.5% of pepper extract, 0.5-1.2% of agastache rugosus extract, 10-20% of ethanol, 5-8% of sodium dodecyl sulfate, 15-25% of glycerol and the balance of water.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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