CN112810264A - Antibacterial plastic storage box and manufacturing process thereof - Google Patents
Antibacterial plastic storage box and manufacturing process thereof Download PDFInfo
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- CN112810264A CN112810264A CN202011608419.7A CN202011608419A CN112810264A CN 112810264 A CN112810264 A CN 112810264A CN 202011608419 A CN202011608419 A CN 202011608419A CN 112810264 A CN112810264 A CN 112810264A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7162—Boxes, cartons, cases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/24—Organic non-macromolecular coating
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Plant Pathology (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to an antibacterial plastic storage box, comprising: the box body, the waterproof glue layer, the water-absorbing resin film and the antibacterial coating; the inner wall of the box body is in adhesive connection with the water-absorbing resin film through the waterproof adhesive layer; the antibacterial coating is arranged on one side, away from the inner wall of the box body, of the water-absorbing resin film, and comprises, by weight, 85-90 parts of micro-nano zinc oxide composite particles and 9-12 parts of a peony root bark extract, wherein the micro-nano zinc oxide composite particles comprise, by mass, 25% of micron-sized zinc oxide particles and 75% of nano-sized zinc oxide particles. The antibacterial plastic storage box can keep the interior of the box body dry for a long time and can continuously and effectively kill bacteria and mold.
Description
Technical Field
The invention relates to the technical field of plastic storage boxes, in particular to an antibacterial plastic storage box and a manufacturing process thereof.
Background
The plastic storage box is generally called as a plastic storage box, a plastic sorting box and a plastic storage box, and is widely used due to the characteristics of environmental protection, sealing with a cover, labor saving due to movement of a belt wheel, acid and alkali resistance, oil stain resistance, no toxicity and odor, convenience in cleaning, neatness in stacking, convenience in management, high bearing strength, telescoping, space saving, light weight, corrosion resistance and the like.
However, the existing plastic storage box has the problem of insufficient sealing, so that outside bacteria, mold and water vapor enter the interior of the box body, and along with the increase of storage time, a lot of mildew stains and fungus stains easily grow on articles stored in the box body, so that when people need to use the articles, the articles can be contacted with the harmful mold and bacteria, and the health of people is seriously affected.
Disclosure of Invention
The invention aims to provide an antibacterial plastic storage box which can keep the interior of a box body dry for a long time and can continuously and effectively kill bacteria and mould.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: an antibacterial plastic storage box comprising: the box body, the waterproof glue layer, the water-absorbing resin film and the antibacterial coating;
the inner wall of the box body is in adhesive connection with the water-absorbing resin film through the waterproof adhesive layer;
the antibacterial coating is arranged on one side, away from the inner wall of the box body, of the water-absorbing resin film, and comprises, by weight, 85-90 parts of micro-nano zinc oxide composite particles and 9-12 parts of a peony root bark extract, wherein the micro-nano zinc oxide composite particles comprise, by mass, 25% of micron-sized zinc oxide particles and 75% of nano-sized zinc oxide particles.
Furthermore, the box body is made of any one of polydicyclopentadiene, polyethylene or polypropylene.
Further, the waterproof adhesive layer is any one of an acrylate adhesive, a polyurethane adhesive or a butyl adhesive.
Further, the water-absorbing resin film is any one of a starch-grafted acrylate resin film, a grafted acrylamide resin film, or a crosslinked carboxymethyl cellulose-grafted acrylamide resin film.
Further, the antibacterial coating also comprises 3-5 parts by weight of zirconia powder.
On the other hand, the invention also provides a manufacturing process of the antibacterial plastic storage box, which comprises the following steps:
s1, injection molding, namely, feeding the granules into a charging barrel from a hopper of an injection machine for heating and melting to obtain a plasticized material, compressing the plasticized material under the pressurization of a screw to move forwards, injecting the material into a closed film cavity through a nozzle in front of the charging barrel, cooling and shaping, opening a mold, and taking out a product to obtain a plastic storage box blank;
s2: gluing, namely coating waterproof glue on the surface of the sealed semi-finished product of the smoke cartridge;
s3: pasting a water-absorbing resin film, pasting the water-absorbing resin film on the surface of the semi-finished product of the smoke bomb coated with the waterproof glue, putting the semi-finished product of the smoke bomb into a temperature-controllable baking device, baking the semi-finished product of the smoke bomb for 18-20 seconds at 7 temperature sections of 75 +/-3 ℃, 85 +/-3 ℃, 105 +/-3 ℃, 115 +/-3 ℃, 95 +/-3 ℃, 65 +/-3 ℃ and 35 +/-3 ℃ in sequence, and taking out the semi-finished product of the smoke bomb to obtain a film-coated plastic storage box blank;
s4: and (3) high-pressure airless spraying, namely, spraying the antibacterial coating from the spray holes to form fan-shaped fog by adopting a booster pump, and depositing the fan-shaped fog on the water-absorbing resin film of the film-coated plastic storage box blank to obtain the antibacterial plastic storage box.
The invention has the beneficial effects that:
1. through setting up the resin film that absorbs water for the hydrone that enters into the box inside passes through the clear water radical effect of hydrogen bond with resin, through similar compatible principle, the hydrone in the box is continuous to be absorbed by this resin film that absorbs water, can keep keeping dry environment in the box like this, inhibits breeding of bacterium and mould.
2. The invention adds micro-nano zinc oxide zinc composite particles composed of micro-scale zinc oxide particles and nano-scale zinc oxide particles, the micro-nano zinc oxide zinc composite particles have stronger catalytic capacity, form freely moving negatively charged electrons and positively charged 'cavities', oxygen, hydroxyl, water and the like adsorbed on the surface of a material can be adsorbed on the 'cavities', hydroxyl free radicals and active oxygen ions with reduction effect are generated, oxygen in air and water is excited to become active oxygen ROS, the active oxygen has strong oxidation activity, the active oxygen can destroy the multiplication capacity of bacterial cells, thereby killing bacteria, in addition, the zinc ions have oxidation-reduction property, can puncture the membrane protein structure of the bacteria, enable the bacteria to lose activity, achieve the sterilization purpose, when the bacteria are killed, the zinc ions can be dissociated from dissolved bacteria and then contact with other bacteria, the novel sterilization task is completed, so that the novel sterilization activity is shown, the micro-nano zinc composite particles have good sterilization and bacteriostasis effects on various known common bacteria, are lasting and effective, the killing rate on various pathogenic bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like reaches more than 99.9%, the simulated accelerated aging test is carried out on the micro-nano zinc composite particles by using an ASTM F1980 method, and the sterilization rate is still kept at 99.9% after 5 years.
3. The peony root bark extract in the antibacterial coating 400 contains various active substances such as paeonol, gallic acid, quercetin, tannic acid, theaflavin and the like, so that the peony root bark extract can resist bacteria (escherichia coli, staphylococcus aureus, salmonella, listeria and the like), fungi (black mold, blue mold and the like), fungi (bacteria causing tinea, candida, acne pathogenic bacteria and the like) and viruses (foot-and-mouth disease virus, avian influenza and the like).
4. In the manufacturing process, in the step of attaching the water-absorbing resin film, seven temperatures are set to bake the plastic storage box body after film coating by adopting a low-temperature preheating-high-temperature melting-low-temperature curing mode, the temperature of the foot part is raised in the low-temperature preheating stage to slowly melt the waterproof glue, the waterproof glue is completely melted in the high-temperature stage, the waterproof glue is uniformly cured in the low-temperature curing stage, and the situation of local glue excess is avoided.
Drawings
Fig. 1 is a layered structure view of an antibacterial plastic storage case according to an embodiment of the present invention.
In the drawings, a case 100; a waterproof glue layer 200; a water-absorbent resin film 300; an antimicrobial coating 400.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, an antibacterial plastic storage case and a manufacturing process thereof according to the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1, an antibacterial plastic storage case includes: the waterproof case comprises a case body 100, a waterproof glue layer 200, a water-absorbent resin film 300 and an antibacterial coating 400.
The box body 100 is made of polydicyclopentadiene, the waterproof glue layer 200 is an acrylate adhesive, the water-absorbing resin film 300 is a starch grafted acrylate resin film, and the inner wall of the box body 100 is in adhesive connection with the starch grafted acrylate resin film through the acrylate adhesive.
The polydicyclopentadiene can resist heat, cold and acid, has the acid and alkali resistance, the bending modulus of 1790-2070 MPa, the tensile strength of 34MPa and the thermal deformation temperature of 185.5 ℃, and the toughness of the polydicyclopentadiene is obviously superior to that of the material commonly used in the prior art, so that the plastic storage box made of the polydicyclopentadiene does not have the problem of brittle material, and the plastic storage box cannot crack along with long-time use, and the service life of the polydicyclopentadiene is prolonged.
The antibacterial coating 400 is arranged on one side, away from the inner wall of the box body 100, of the starch grafted acrylate resin film, the antibacterial coating 400 comprises, by weight, 85 parts of micro-nano zinc oxide composite particles and 12 parts of a peony root bark extract, and the micro-nano zinc oxide composite particles comprise, by mass, 25% of micron-sized zinc oxide particles and 75% of nano-sized zinc oxide particles, wherein the size of the micron-sized zinc oxide particles is preferably 10-30 microns, and the size of the nano-sized zinc oxide particles is preferably 40-50 nanometers.
Example two
Referring to fig. 1, an antibacterial plastic storage case includes: the waterproof case comprises a case body 100, a waterproof glue layer 200, a water-absorbent resin film 300 and an antibacterial coating 400.
The box body 100 is made of polyethylene, the waterproof adhesive layer 200 is a polyurethane adhesive, the water-absorbing resin film 300 is a grafted acrylamide resin film, and the inner wall of the box body 100 is bonded and connected with the grafted acrylamide resin film through the polyurethane adhesive.
The antibacterial coating 400 is arranged on one side, away from the inner wall of the box body 100, of the starch grafted acrylate resin film, the antibacterial coating 400 comprises 90 parts by weight of micro-nano zinc oxide composite particles and 9 parts by weight of peony root bark extract, and the micro-nano zinc oxide composite particles comprise, by mass, 25% of micron-sized zinc oxide particles and 75% of nano-sized zinc oxide particles, wherein the size of the micron-sized zinc oxide particles is preferably 10-30 microns, and the size of the nano-sized zinc oxide particles is preferably 40-50 nanometers.
EXAMPLE III
Referring to fig. 1, an antibacterial plastic storage case includes: the waterproof case comprises a case body 100, a waterproof glue layer 200, a water-absorbent resin film 300 and an antibacterial coating 400.
The box body 100 is made of polypropylene, the waterproof glue layer 200 is butyl rubber, the water absorbing resin film 300 is a cross-linked carboxymethyl cellulose grafted acrylamide resin film, and the inner wall of the box body 100 is bonded and connected with the cross-linked carboxymethyl cellulose grafted acrylamide resin film through the butyl rubber.
The antibacterial coating 400 is arranged on one side, away from the inner wall of the box body 100, of the cross-linked carboxymethyl cellulose grafted acrylamide resin film, the antibacterial coating 400 comprises 90 parts by weight of micro-nano zinc oxide composite particles and 9 parts by weight of peony root bark extracts, and the micro-nano zinc oxide composite particles comprise 25% by weight of micron-sized zinc oxide particles and 75% by weight of nano-sized zinc oxide particles, wherein the size of the micron-sized zinc oxide particles is preferably 10-30 microns, and the size of the nano-sized zinc oxide particles is preferably 40-50 nanometers.
It should be noted that in the above three embodiments, the acrylate glue, the polyurethane glue or the butyl glue are all waterproof glue, and all have waterproof effect.
It should be noted that, in order to further enhance the antibacterial ability, 3-5 weight percent of zirconium oxide powder can be additionally added into the antibacterial coating 400 of the present invention, wherein the zirconium oxide can induce air negative ions, and the negative ions can be used for sterilization and disinfection.
Comparative example
In contrast to example one, the antimicrobial coating 400 was not provided, and the rest was the same.
The antibacterial performance of the product is tested by GB/T31402-2015 to obtain the following table
| Killing rate of colibacillus | Kill rate of staphylococcus aureus | Candida albicans killing rate | |
| Example one | 99.98 | 99.99 | 99.97 |
| Example two | 99.97 | 99.98 | 99.99 |
| EXAMPLE III | 99.98 | 99.97 | 99.95 |
| Comparative example | 0 | 0 | 0 |
The comparison shows that the three embodiments provided with the antibacterial coating 400 have the killing rate of more than 99.9 to common bacteria, the comparative examples not provided with the antibacterial coating 400 do not have the antibacterial capability, and the three embodiments have the strong antibacterial capability because the micro-nano zinc oxide-zinc composite particles combined by the micro-scale zinc oxide particles and the nano-scale zinc oxide particles are added in the antibacterial coating, the micro-nano zinc oxide-zinc composite particles have strong catalytic capability, form freely moving negatively charged electrons and positively charged 'holes', and oxygen, hydroxyl, water and the like adsorbed on the surface of the material can be adsorbed on the 'holes', generate hydroxyl radicals and active oxygen ions with reduction effect, excite the oxygen in the air and the water to be active oxygen ROS, and the active oxygen has strong oxidation activity, so that the proliferation capability of bacterial cells can be damaged, the zinc ions are dissociated from the dissolved thallus and then contact with other bacteria to complete a new sterilization task after the bacteria are killed, so that the strong sterilization activity is shown, the micro-nano zinc composite particles have good sterilization and bacteriostasis effects on various known common bacteria, are lasting and effective, the killing rate on various pathogenic bacteria such as escherichia coli, staphylococcus aureus, candida albicans and the like reaches more than 99.9 percent, the micro-nano zinc composite particles are subjected to a simulated accelerated aging test by using an ASTM F1980 method, and the sterilization rate is still kept at 99.9 percent after 5 years; in addition, the peony root bark extract in the antibacterial coating 400 contains various active substances such as paeonol, gallic acid, quercetin, tannic acid, theaflavin and the like, so that the peony root bark extract can resist bacteria (escherichia coli, staphylococcus aureus, salmonella, listeria and the like), fungi (black mold, blue mold and the like), fungi (bacteria causing blazing, candida, acne pathogenic bacteria and the like) and viruses (foot-and-mouth disease virus, avian influenza and the like).
In addition, the invention also provides a manufacturing process of the antibacterial plastic storage box in the three embodiments, which comprises the following steps:
s1, injection molding, namely, feeding the granules into a charging barrel from a hopper of an injection machine for heating and melting to obtain a plasticized material, compressing the plasticized material under the pressurization of a screw to move forwards, injecting the material into a closed film cavity through a nozzle in front of the charging barrel, cooling and shaping, opening a mold, and taking out a product to obtain a plastic storage box blank;
s2: gluing, namely coating waterproof glue on the surface of the sealed semi-finished product of the smoke cartridge;
s3: pasting a water-absorbing resin film, pasting the water-absorbing resin film on the surface of the semi-finished product of the smoke bomb coated with the waterproof glue, putting the semi-finished product of the smoke bomb into a temperature-controllable baking device, baking the semi-finished product of the smoke bomb for 18-20 seconds at 7 temperature sections of 75 +/-3 ℃, 85 +/-3 ℃, 105 +/-3 ℃, 115 +/-3 ℃, 95 +/-3 ℃, 65 +/-3 ℃ and 35 +/-3 ℃ in sequence, and taking out the semi-finished product of the smoke bomb to obtain a film-coated plastic storage box blank;
s4: and (3) high-pressure airless spraying, namely, spraying the antibacterial coating from the spray holes to form fan-shaped fog by adopting a booster pump, and depositing the fan-shaped fog on the water-absorbing resin film of the film-coated plastic storage box blank to obtain the antibacterial plastic storage box.
In the process, in the step of attaching the water-absorbing resin film, seven temperatures are set by adopting a low-temperature preheating-high-temperature melting-low-temperature curing mode to bake the plastic storage box blank body after film coating, the temperature of the foot part is raised in the low-temperature preheating stage to slowly melt the waterproof glue, the waterproof glue is completely melted in the high-temperature stage, the waterproof glue is uniformly cured in the low-temperature curing stage, and the situation of local glue excess is avoided.
It should be noted that, in addition to the film attaching manner in step S3, any one of a spraying process, a co-extrusion process, and an in-mold film attaching process may be selected as long as the intended film attaching fixation is satisfied.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. An antibacterial plastic storage box, comprising: the waterproof box comprises a box body (100), a waterproof adhesive layer (200), a water-absorbing resin film (300) and an antibacterial coating (400);
the inner wall of the box body (100) is bonded and connected with the water-absorbing resin film (300) through the waterproof glue layer (200);
the antibacterial coating (400) is arranged on one side, away from the inner wall of the box body (100), of the water-absorbing resin film (300), and comprises, by weight, 85-90 parts of micro-nano zinc oxide composite particles and 9-12 parts of a peony root bark extract, wherein the micro-nano zinc oxide composite particles comprise, by mass, 25% of micron-sized zinc oxide particles and 75% of nano-sized zinc oxide particles.
2. An antibacterial plastic storage box according to claim 1, characterized in that the material of the box body (100) is any one of polydicyclopentadiene, polyethylene or polypropylene.
3. An antibacterial plastic storage box according to claim 1, characterized in that the waterproof glue layer (200) is any one of acrylate glue, polyurethane glue or butyl glue.
4. An antibacterial plastic storage box according to claim 1, characterized in that the water-absorbent resin film (300) is any one of a starch-grafted acrylate resin film, a grafted acrylamide resin film or a cross-linked carboxymethyl cellulose-grafted acrylamide resin film.
5. An antibacterial plastic storage box according to claim 1, characterized in that the antibacterial coating (400) further comprises 3-5 parts by weight of zirconia powder.
6. A process for manufacturing a plastic storage box for antibacterial type according to any one of claims 1 to 5, comprising the steps of:
s1, injection molding, namely, feeding the granules into a charging barrel from a hopper of an injection machine for heating and melting to obtain a plasticized material, compressing the plasticized material under the pressurization of a screw to move forwards, injecting the material into a closed film cavity through a nozzle in front of the charging barrel, cooling and shaping, opening a mold, and taking out a product to obtain a plastic storage box blank;
s2: gluing, namely coating waterproof glue on the surface of the plastic storage box blank;
s3: pasting a water-absorbing resin film, pasting the water-absorbing resin film on the surface of the plastic storage box green body coated with the waterproof glue, putting the plastic storage box green body into a temperature-controllable baking device, sequentially baking for 18-20 seconds at 7 temperature sections of 75 +/-3 ℃, 85 +/-3 ℃, 105 +/-3 ℃, 115 +/-3 ℃, 95 +/-3 ℃, 65 +/-3 ℃ and 35 +/-3 ℃ to obtain a film-coated plastic storage box green body;
s4: and (3) high-pressure airless spraying, namely, spraying the antibacterial coating from the spray holes to form fan-shaped fog by adopting a booster pump, and depositing the fan-shaped fog on the water-absorbing resin film of the film-coated plastic storage box blank to obtain the antibacterial plastic storage box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011608419.7A CN112810264A (en) | 2020-12-30 | 2020-12-30 | Antibacterial plastic storage box and manufacturing process thereof |
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| CN202011608419.7A CN112810264A (en) | 2020-12-30 | 2020-12-30 | Antibacterial plastic storage box and manufacturing process thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205652660U (en) * | 2016-05-03 | 2016-10-19 | 东莞市开源塑化科技有限公司 | Antibiotic shoes receiver of waterproof mould proof |
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| CN111657299A (en) * | 2020-07-10 | 2020-09-15 | 广州佳乐生态科技有限公司 | Composite nano-ion bacteriostatic agent |
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2020
- 2020-12-30 CN CN202011608419.7A patent/CN112810264A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205652660U (en) * | 2016-05-03 | 2016-10-19 | 东莞市开源塑化科技有限公司 | Antibiotic shoes receiver of waterproof mould proof |
| CN208560297U (en) * | 2018-06-07 | 2019-03-01 | 浙江大华集团嘉兴包装有限公司 | A kind of carton that dampproof effect is good |
| CN111657299A (en) * | 2020-07-10 | 2020-09-15 | 广州佳乐生态科技有限公司 | Composite nano-ion bacteriostatic agent |
Non-Patent Citations (2)
| Title |
|---|
| 王树林: "《服装衬布与应用技术大全》", 31 October 2007, 中国纺织出版社 * |
| 郑建仙: "《功能性食品学（第二版）》", 30 April 2006, 中国轻工业出版社 * |
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Application publication date: 20210518 |