CN106589528A - Antibacterial plastic material composition, antibacterial plastic bottle and preparation method of antibacterial plastic bottle - Google Patents
Antibacterial plastic material composition, antibacterial plastic bottle and preparation method of antibacterial plastic bottle Download PDFInfo
- Publication number
- CN106589528A CN106589528A CN201611082369.7A CN201611082369A CN106589528A CN 106589528 A CN106589528 A CN 106589528A CN 201611082369 A CN201611082369 A CN 201611082369A CN 106589528 A CN106589528 A CN 106589528A
- Authority
- CN
- China
- Prior art keywords
- weight portions
- consumption
- powder
- content
- density polyethylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/10—Applications used for bottles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses antibacterial plastic material composition, an antibacterial plastic bottle and a preparation method of the antibacterial plastic bottle. The composition contains high-density polyethylene, polyvinyl chloride, methyl tin mercaptide, acetone, camphor powder, folium artemisiae argyi powder and activated carbon powder, wherein in terms of 100 parts by weight of high-density polyethylene, the composition contains 30-70 parts by weight of polyvinyl chloride, 0.1-1 part by weight of methyl tin mercaptide, 10-20 parts by weight of acetone, 5-15 parts by weight of the camphor powder, 5-15 parts by weight of the folium artemisiae argyi powder and 5-15 parts by weight of the activated carbon powder. With the adoption of the design, better antibacterial performance is realized, operational performance of the plastic material composition and the antibacterial plastic bottle is greatly improved, and the preservation cost is reduced.
Description
Technical field
The present invention relates to plastic material field, in particular it relates to antibiotic plastic material compositions and antimicrobial plastic bottle and its
Preparation method.
Background technology
Plastics are widely used with its good performance, but in use, because of its use range
It is extremely wide, therefore, under the poor environment of some conditions, it is easy to corroded by antibacterial, so as to cause the phenomenon such as mouldy,
So that plastic material cannot use or need to be cleaned, preservation cost is not only wasted time and energy and improved.
Therefore it provides a kind of have preferable anti-microbial property, its performance is greatly improved, reduce preserving the antibacterial of cost
Plastic material composition and antimicrobial plastic bottle and preparation method thereof are the problems of urgent need to resolve of the present invention.
The content of the invention
For above-mentioned prior art, it is an object of the invention to overcome in prior art in the environment that some conditions are poor
Under, plastics are highly susceptible to the erosion of antibacterial, cause the phenomenon such as mouldy so that plastic material cannot use or need to carry out clearly
It is clean, the problem for preserving cost is not only wasted time and energy and improves, it is a kind of with preferable anti-microbial property so as to provide, greatly improve it
Performance, reduces preserving antibiotic plastic material compositions and antimicrobial plastic bottle of cost and preparation method thereof.
To achieve these goals, the invention provides a kind of antibiotic plastic material compositions, wherein, the compositionss bag
Include high density polyethylene (HDPE), polrvinyl chloride, Methyl stannum mercaptide, acetone, camphor powder, Folium Artemisiae Argyi powder and active carbon powder；Wherein,
Relative to the high density polyethylene (HDPE) of 100 weight portions, the content of the polrvinyl chloride is 30-70 weight portions, institute
The content for stating Methyl stannum mercaptide is 0.1-1 weight portions, and the content of the acetone is 10-20 weight portions, the content of the camphor powder
For 5-15 weight portions, the content of the Folium Artemisiae Argyi powder is 5-15 weight portions, and the content of the active carbon powder is 5-15 weight portions.
Present invention also offers a kind of preparation method of antimicrobial plastic bottle, wherein, the preparation method includes：By high density
Blow molding after polyethylene, polrvinyl chloride, Methyl stannum mercaptide, acetone, camphor powder, Folium Artemisiae Argyi powder and active carbon powder mixed smelting,
Prepared antimicrobial plastic bottle；Wherein,
Relative to the high density polyethylene (HDPE) of 100 weight portions, the consumption of the polrvinyl chloride is 30-70 weight portions, institute
The consumption for stating Methyl stannum mercaptide is 0.1-1 weight portions, and the consumption of the acetone is 10-20 weight portions, the consumption of the camphor powder
For 5-15 weight portions, the consumption of the Folium Artemisiae Argyi powder is 5-15 weight portions, and the consumption of the active carbon powder is 5-15 weight portions.
Present invention also offers a kind of antimicrobial plastic bottle according to obtained in preparation method described above.
It is of the invention by high density polyethylene (HDPE), polrvinyl chloride, Methyl stannum mercaptide, acetone, Camphora by above-mentioned technical proposal
Powder, Folium Artemisiae Argyi powder and active carbon powder mix according to a certain percentage after blow molding so that by the obtained modeling of above-mentioned material
Material has good anti-microbial property, places in the case where environment is poor and also still have good performance, substantially reduces
Preserve cost.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific embodiment
The specific embodiment of the present invention is described in detail below.It should be appreciated that described herein concrete
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides a kind of antibiotic plastic material compositions, wherein, the compositionss include high density polyethylene (HDPE), gather
Vinyl chloride, Methyl stannum mercaptide, acetone, camphor powder, Folium Artemisiae Argyi powder and active carbon powder；Wherein,
Relative to the high density polyethylene (HDPE) of 100 weight portions, the content of the polrvinyl chloride is 30-70 weight portions, institute
The content for stating Methyl stannum mercaptide is 0.1-1 weight portions, and the content of the acetone is 10-20 weight portions, the content of the camphor powder
For 5-15 weight portions, the content of the Folium Artemisiae Argyi powder is 5-15 weight portions, and the content of the active carbon powder is 5-15 weight portions.
Above-mentioned design is by by high density polyethylene (HDPE), polrvinyl chloride, Methyl stannum mercaptide, acetone, camphor powder, Folium Artemisiae Argyi powder and work
Property carbon powder mix according to a certain percentage after blow molding so that having by plastics obtained in above-mentioned material good anti-
Bacterium performance, places in the case where environment is poor and also still have good performance, substantially reduces preservation cost.
The present invention it is a kind of preferred embodiment in, in order to further improve the antibiotic property of obtained plastic material
Can, relative to the high density polyethylene (HDPE) of 100 weight portions, the content of the polrvinyl chloride is 40-60 weight portions, the methyl
The content of tin mercaptides is 0.5-0.8 weight portions, and the content of the acetone is 13-17 weight portions, and the content of the camphor powder is 8-
12 weight portions, the content of the Folium Artemisiae Argyi powder is 8-12 weight portions, and the content of the active carbon powder is 8-12 weight portions.
In order to further improve the performance of obtained plastics, in a kind of embodiment being more highly preferred to of the present invention
In, the compositionss can also include Masterbatch, and relative to the high density polyethylene (HDPE) of 100 weight portions, the Masterbatch
Content be 1-3 weight portions.
It is further preferred that relative to the high density polyethylene (HDPE) of 100 weight portions, the content of the Masterbatch is 1-2
Weight portion.
The high density polyethylene (HDPE) can be type commonly used in the art, for example, preferred in one kind of the present invention
In embodiment, the weight average molecular weight of the high density polyethylene (HDPE) is 40000-300000.
Similarly, the weight average molecular weight of the polrvinyl chloride is 50000-110000.
Present invention also offers a kind of preparation method of antimicrobial plastic bottle, wherein, the preparation method includes：By high density
Blow molding after polyethylene, polrvinyl chloride, Methyl stannum mercaptide, acetone, camphor powder, Folium Artemisiae Argyi powder and active carbon powder mixed smelting,
Prepared antimicrobial plastic bottle；Wherein,
Relative to the high density polyethylene (HDPE) of 100 weight portions, the consumption of the polrvinyl chloride is 30-70 weight portions, institute
The consumption for stating Methyl stannum mercaptide is 0.1-1 weight portions, and the consumption of the acetone is 10-20 weight portions, the consumption of the camphor powder
For 5-15 weight portions, the consumption of the Folium Artemisiae Argyi powder is 5-15 weight portions, and the consumption of the active carbon powder is 5-15 weight portions.
In order to further improve the performance of obtained plastic bottle, the present invention it is a kind of preferred embodiment in,
Relative to the high density polyethylene (HDPE) of 100 weight portions, the consumption of the polrvinyl chloride is 40-60 weight portions, the methyl sulfur
The consumption of alcohol stannum is 0.5-0.8 weight portions, and the consumption of the acetone is 13-17 weight portions, and the consumption of the camphor powder is 8-12
Weight portion, the consumption of the Folium Artemisiae Argyi powder is 8-12 weight portions, and the consumption of the active carbon powder is 8-12 weight portions.
In the embodiment being more highly preferred to, the preparation method can also include adding Masterbatch to carry out mixed smelting, and
Relative to the high density polyethylene (HDPE) of 100 weight portions, the consumption of the Masterbatch is 1-3 weight portions
It is further preferred that relative to the high density polyethylene (HDPE) of 100 weight portions, the consumption of the Masterbatch is 1-2
Weight portion.
Mixed smelting process can be operated according to this area usual manner, for example, preferred in one kind of the present invention
In embodiment, the temperature of mixed smelting process is 200-260 DEG C.
The high density polyethylene (HDPE) and the polrvinyl chloride are as previously mentioned.
Present invention also offers a kind of antimicrobial plastic bottle according to obtained in preparation method described above.
Hereinafter will be described the present invention by embodiment.In following examples, the high density polyethylene (HDPE) is
The commercially available high density polyethylene (HDPE) of coal Yulin derived energy chemical company limited production in the prolongation of Shaanxi, the Masterbatch is just accord with for Zhongshan city
The commercially available Masterbatch of Colour resource company limited production, the polrvinyl chloride, the Methyl stannum mercaptide, the acetone, the Camphor tree
Brain powder, the Folium Artemisiae Argyi powder and the active carbon powder are conventional commercial product.
Embodiment 1
By 100g high density polyethylene (HDPE)s, 40g polrvinyl chloride, 0.5g Methyl stannum mercaptides, 13g acetone, 8g camphor powders, 8g Folium Artemisiae Argyis
Powder, 8g active carbon powders and 1g Masterbatch are placed in temperature for blow molding after mixed smelting under conditions of 200 DEG C, prepared antibacterial modeling
Material bottle A1.
Embodiment 2
By 100g high density polyethylene (HDPE)s, 60g polrvinyl chloride, 0.8g Methyl stannum mercaptides, 17g acetone, 12g camphor powders, 12g Chinese mugworts
Ye Fen, 12g active carbon powder and 2g Masterbatch are placed in temperature for blow molding after mixed smelting under conditions of 260 DEG C, are obtained anti-
Bacterium plastic bottle A2.
Embodiment 3
By 100g high density polyethylene (HDPE)s, 50g polrvinyl chloride, 0.6g Methyl stannum mercaptides, 15g acetone, 10g camphor powders, 10g Chinese mugworts
Ye Fen, 10g active carbon powder and 1.5g Masterbatch are placed in temperature for blow molding after mixed smelting under conditions of 230 DEG C, are obtained
Antimicrobial plastic bottle A3.
Embodiment 4
Preparation method according to embodiment 1 is prepared, and except for the difference that, the consumption of the polrvinyl chloride is 30g, the first
The consumption of base tin mercaptides is 0.1g, and the consumption of the acetone is 10g, and the consumption of the camphor powder is 5g, the use of the Folium Artemisiae Argyi powder
Measure as 5g, the consumption of the active carbon powder is 5g, without Masterbatch, antimicrobial plastic bottle A4 is obtained.
Embodiment 5
Preparation method according to embodiment 2 is prepared, and except for the difference that, the consumption of the polrvinyl chloride is 70g, the first
The consumption of base tin mercaptides is 1g, and the consumption of the acetone is 20g, and the consumption of the camphor powder is 15g, the consumption of the Folium Artemisiae Argyi powder
For 15g, the consumption of the active carbon powder is 15g, without Masterbatch, antimicrobial plastic bottle A5 is obtained.
Comparative example 1
Preparation method according to embodiment 3 is prepared, and except for the difference that, the consumption of the polrvinyl chloride is 10g, the first
The consumption of base tin mercaptides is 0.1g, and the consumption of the acetone is 5g, and the consumption of the camphor powder is 2g, the consumption of the Folium Artemisiae Argyi powder
For 2g, the consumption of the active carbon powder is 2g, and plastic bottle D1 is obtained.
Comparative example 2
Preparation method according to embodiment 3 is prepared, and except for the difference that, the consumption of the polrvinyl chloride is 100g, described
The consumption of Methyl stannum mercaptide is 2g, and the consumption of the acetone is 40g, and the consumption of the camphor powder is 30g, the use of the Folium Artemisiae Argyi powder
Measure as 30g, the consumption of the active carbon powder is 30g, and plastic bottle D2 is obtained.
Comparative example 3
Commercially available mineral water bottle D3.
Test case
Above-mentioned A1-A5 and D1-D3 are taken respectively into 1g to be soaked in 10mL water, total plate count M1 in 1mL water is detected, then
Be positioned over environment it is poor under conditions of after 72h, then take 1g respectively and be soaked in 10mL water, detect total plate count M2 in 1mL water,
The result for obtaining is as shown in table 1.
Table 1
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, the present invention range of the technology design in, various simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The compound mode of energy is no longer separately illustrated.
Additionally, combination in any can also be carried out between a variety of embodiments of the present invention, as long as it is without prejudice to this
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of antibiotic plastic material compositions, it is characterised in that the compositionss include high density polyethylene (HDPE), polrvinyl chloride,
Methyl stannum mercaptide, acetone, camphor powder, Folium Artemisiae Argyi powder and active carbon powder；Wherein,
Relative to the high density polyethylene (HDPE) of 100 weight portions, the content of the polrvinyl chloride is 30-70 weight portions, the first
The content of base tin mercaptides is 0.1-1 weight portions, and the content of the acetone is 10-20 weight portions, and the content of the camphor powder is 5-
15 weight portions, the content of the Folium Artemisiae Argyi powder is 5-15 weight portions, and the content of the active carbon powder is 5-15 weight portions.
2. compositionss according to claim 1, wherein, it is described poly- relative to the high density polyethylene (HDPE) of 100 weight portions
The content of vinyl chloride is 40-60 weight portions, and the content of the Methyl stannum mercaptide is 0.5-0.8 weight portions, the content of the acetone
For 13-17 weight portions, the content of the camphor powder is 8-12 weight portions, and the content of the Folium Artemisiae Argyi powder is 8-12 weight portions, described
The content of active carbon powder is 8-12 weight portions.
3. compositionss according to claim 1 and 2, wherein, the compositionss also include Masterbatch, and relative to 100 weights
The high density polyethylene (HDPE) of amount part, the content of the Masterbatch is 1-3 weight portions.
4. compositionss according to claim 3, wherein, relative to the high density polyethylene (HDPE) of 100 weight portions, the color
The content of master batch is 1-2 weight portions.
5. compositionss according to claim 1 and 2, wherein, the weight average molecular weight of the high density polyethylene (HDPE) is 40000-
300000；
The weight average molecular weight of the polrvinyl chloride is 50000-110000.
6. a kind of preparation method of antimicrobial plastic bottle, it is characterised in that the preparation method includes：By high density polyethylene (HDPE), gather
Blow molding after vinyl chloride, Methyl stannum mercaptide, acetone, camphor powder, Folium Artemisiae Argyi powder and active carbon powder mixed smelting, is obtained antibacterial modeling
Material bottle；Wherein,
Relative to the high density polyethylene (HDPE) of 100 weight portions, the consumption of the polrvinyl chloride is 30-70 weight portions, the first
The consumption of base tin mercaptides is 0.1-1 weight portions, and the consumption of the acetone is 10-20 weight portions, and the consumption of the camphor powder is 5-
15 weight portions, the consumption of the Folium Artemisiae Argyi powder is 5-15 weight portions, and the consumption of the active carbon powder is 5-15 weight portions.
7. preparation method according to claim 6, wherein, it is described relative to the high density polyethylene (HDPE) of 100 weight portions
The consumption of polrvinyl chloride is 40-60 weight portions, and the consumption of the Methyl stannum mercaptide is 0.5-0.8 weight portions, the use of the acetone
Measure as 13-17 weight portions, the consumption of the camphor powder is 8-12 weight portions, the consumption of the Folium Artemisiae Argyi powder is 8-12 weight portions, institute
The consumption for stating active carbon powder is 8-12 weight portions.
8. the preparation method according to claim 6 or 7, wherein, the preparation method also includes adding Masterbatch to be mixed
Melting is closed, and relative to the high density polyethylene (HDPE) of 100 weight portions, the consumption of the Masterbatch is 1-3 weight portions；
Preferably, relative to the high density polyethylene (HDPE) of 100 weight portions, the consumption of the Masterbatch is 1-2 weight portions.
9. the preparation method according to claim 6 or 7, wherein, the temperature of mixed smelting process is 200-260 DEG C；
Preferably, the weight average molecular weight of the high density polyethylene (HDPE) is 40000-300000；
The weight average molecular weight of the polrvinyl chloride is 50000-110000.
10. antimicrobial plastic bottle obtained in a kind of preparation method according to any one in claim 6-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082369.7A CN106589528A (en) | 2016-11-30 | 2016-11-30 | Antibacterial plastic material composition, antibacterial plastic bottle and preparation method of antibacterial plastic bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082369.7A CN106589528A (en) | 2016-11-30 | 2016-11-30 | Antibacterial plastic material composition, antibacterial plastic bottle and preparation method of antibacterial plastic bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106589528A true CN106589528A (en) | 2017-04-26 |
Family
ID=58593946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611082369.7A Withdrawn CN106589528A (en) | 2016-11-30 | 2016-11-30 | Antibacterial plastic material composition, antibacterial plastic bottle and preparation method of antibacterial plastic bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106589528A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687200A (en) * | 2005-04-29 | 2005-10-26 | 宁波华实纳米材料有限公司 | Method of applying inorganic carrier nano silver powder in preparing antibiosis plastic |
| CN104327403A (en) * | 2014-09-30 | 2015-02-04 | 青岛东泰诚恩新材料科技发展有限公司 | Antibacterial polyethylene-polyvinyl chloride composite plastic |
| CN105176013A (en) * | 2015-08-25 | 2015-12-23 | 陆思烨 | Antibacterial and anti-aging plastic container and preparation method thereof |
-
2016
- 2016-11-30 CN CN201611082369.7A patent/CN106589528A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687200A (en) * | 2005-04-29 | 2005-10-26 | 宁波华实纳米材料有限公司 | Method of applying inorganic carrier nano silver powder in preparing antibiosis plastic |
| CN104327403A (en) * | 2014-09-30 | 2015-02-04 | 青岛东泰诚恩新材料科技发展有限公司 | Antibacterial polyethylene-polyvinyl chloride composite plastic |
| CN105176013A (en) * | 2015-08-25 | 2015-12-23 | 陆思烨 | Antibacterial and anti-aging plastic container and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102417677B (en) | High-efficiency environment-friendly stabilizing agent used for PVC section bars | |
| WO2015157354A8 (en) | Core-shell composite inorganic metal oxides and method of preparation for prevention of thermal oxidative degradation in polymer and resin compositions | |
| MY141665A (en) | Molding of polypropylene with enhanced reheat characteristics | |
| CN104910590B (en) | A kind of cosmetics plastic package material and preparation method thereof | |
| CN104387702A (en) | Metal organic frame material-based composite heat stabilizer for PVC (polyvinyl chloride) and application of metal organic frame material-based composite heat stabilizer | |
| CN105001785A (en) | Paint formula | |
| CN106633279A (en) | Antibacterial PE masterbatch for preservative film and application | |
| CN104910484A (en) | Formula of antibacterial PE (polyethylene) plastic dustbin | |
| CN110408120A (en) | A kind of the antistatic of low coefficient of linear thermal expansion exempts from spray coating polypropylene composite material and preparation method | |
| CN106750754A (en) | Antibiotic plastic material compositions and antimicrobial plastic bottle and preparation method thereof | |
| CN106589528A (en) | Antibacterial plastic material composition, antibacterial plastic bottle and preparation method of antibacterial plastic bottle | |
| CN106589527A (en) | Wearing-resistant plastic material composition and wearing-resistant plastic bottle and preparation method thereof | |
| CN115058076B (en) | Antibacterial and antioxidant color master batch, plastic bottle and preparation methods thereof | |
| CN106750750A (en) | Impact resistance plastics material compositions and impact resistance plastics bottle and preparation method thereof | |
| CN101497718B (en) | Preparation and use of PP/PE environment friendly fense composite material | |
| CN106750756A (en) | Corrosion-resistant plastic material compositions and corrosion-resistant plastic bottle and preparation method thereof | |
| CN107383804A (en) | A kind of medical plastic packaging material and preparation method thereof | |
| EP4314137A1 (en) | Functional metal-containing articles | |
| CN106221158A (en) | A kind of wear-resisting packaging material that absorb water | |
| CN106084487A (en) | A kind of weather resistance environmental protection type automobile bumper material | |
| CN106833279A (en) | A kind of fire-retardant paint | |
| CN106220943A (en) | A kind of PE/PET tubing with antibacterial and antimildew function and preparation method thereof | |
| CN104311974A (en) | Sebacic triethanolamine salt gas-phase rust-proof master batch and preparing method and application thereof | |
| KR102577827B1 (en) | Airtight container with excellent antibacterial and antifungal properties, and manufacturing method thereof | |
| CN107325378A (en) | A kind of nanometer fresh-keeping plastic film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170426 |
|
| WW01 | Invention patent application withdrawn after publication |