CN111944284A - Antibacterial easily-degradable plastic bottle cap and preparation method thereof - Google Patents
Antibacterial easily-degradable plastic bottle cap and preparation method thereof Download PDFInfo
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- CN111944284A CN111944284A CN202010676730.9A CN202010676730A CN111944284A CN 111944284 A CN111944284 A CN 111944284A CN 202010676730 A CN202010676730 A CN 202010676730A CN 111944284 A CN111944284 A CN 111944284A
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- antibacterial
- bottle cap
- plastic bottle
- quaternary ammonium
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 44
- 229920006238 degradable plastic Polymers 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 9
- -1 polypropylene Polymers 0.000 claims abstract description 42
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 39
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 24
- 239000010703 silicon Substances 0.000 claims abstract description 24
- 239000004743 Polypropylene Substances 0.000 claims abstract description 20
- 229920001155 polypropylene Polymers 0.000 claims abstract description 20
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 19
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 18
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 17
- 239000004626 polylactic acid Substances 0.000 claims abstract description 17
- 239000004970 Chain extender Substances 0.000 claims abstract description 15
- 239000004014 plasticizer Substances 0.000 claims abstract description 15
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 238000001746 injection moulding Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 238000000748 compression moulding Methods 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 238000000967 suction filtration Methods 0.000 claims description 7
- 238000001291 vacuum drying Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- WTPYFJNYAMXZJG-UHFFFAOYSA-N 2-[4-(2-hydroxyethoxy)phenoxy]ethanol Chemical group OCCOC1=CC=C(OCCO)C=C1 WTPYFJNYAMXZJG-UHFFFAOYSA-N 0.000 claims description 3
- 229940057995 liquid paraffin Drugs 0.000 claims description 3
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 3
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 3
- 150000001282 organosilanes Chemical class 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 125000005498 phthalate group Chemical group 0.000 claims description 2
- 229940045860 white wax Drugs 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 244000005700 microbiome Species 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 description 17
- 239000004033 plastic Substances 0.000 description 17
- 238000012360 testing method Methods 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 4
- 235000013305 food Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Biological Depolymerization Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an antibacterial easily-degradable plastic bottle cap and a preparation method thereof, wherein the antibacterial easily-degradable plastic bottle cap is prepared from the following raw materials in parts by weight: polylactic acid: 50-70 parts of a solvent; polypropylene: 10-20 parts; dispersing agent: 5-10 parts; plasticizer: 1-3 parts; chain extender: 6-10 parts of a solvent; silicon quaternary ammonium salt: 3-8 parts; citric acid: 10-15 parts; porous titanium dioxide: 10-15 parts; organosilicon quaternary ammonium salt: 3-8 parts. Compared with the prior art, the antibacterial easily-degradable plastic bottle cap can be decomposed and quickly absorbed by microorganisms in soil, has little pollution to the environment and has better environmental benefit; the antibacterial agent has high-efficiency and long-acting antibacterial performance, has obvious antibacterial effect and is more beneficial to the storage of products; the invention is injection molded by the conventional processing technology, and the preparation method is simple and flexible and has good processing and molding performance.
Description
Technical Field
The invention relates to the field of plastic bottle caps and preparation methods thereof, in particular to an antibacterial easily-degradable plastic bottle cap and a preparation method thereof.
Background
With the popularization of plastic packaging bottles, the problems brought by the plastic packaging bottles are more and more obvious, and due to the good corrosion resistance of the plastic packaging bottles, some waste plastic packaging bottles which cannot be reused are difficult to decompose and return to nature, so that the waste plastic is accumulated, and the phenomenon is commonly called 'white pollution'.
At present, the most common method is to recycle plastic bottles. However, the plastic bottle cap is relatively small, and the plastic bottle cap is usually separated from the plastic bottle, which also makes it difficult to recycle the plastic bottle cap. In addition, for some plastic bottles for containing beverages or foods, the bottle caps protect the beverages and foods in the plastic bottles, and the plastic bottle caps are particularly easy to breed bacteria and pollute the foods and the medicines when exposed to the air for a long time.
Therefore, if an antibacterial easily degradable plastic bottle cap can be prepared, the above problems can be solved from the source.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an antibacterial easily-degradable plastic bottle cap and a preparation method thereof.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
an antibacterial easily-degradable plastic bottle cap is prepared from the following raw materials in parts by weight:
polylactic acid: 50-70 parts of a solvent;
polypropylene: 10-20 parts;
dispersing agent: 5-10 parts;
plasticizer: 1-3 parts;
chain extender: 6-10 parts of a solvent;
silicon quaternary ammonium salt: 3-8 parts;
citric acid: 10-15 parts;
porous titanium dioxide: 10-15 parts;
organosilicon quaternary ammonium salt: 3-8 parts.
Preferably, the antibacterial easily-degradable plastic bottle cap is prepared from the following raw materials in parts by weight:
polylactic acid: 55-65 parts of a binder;
polypropylene: 13-18 parts;
dispersing agent: 6-8 parts;
plasticizer: 2-3 parts of a solvent;
chain extender: 7-8 parts;
silicon quaternary ammonium salt: 4-6 parts;
citric acid: 11-13 parts;
porous titanium dioxide: 12-13 parts;
organosilicon quaternary ammonium salt: 4-7 parts.
Preferably, the dispersant is one or more of a silicone ester, oleamide, silicone, organosilane, liquid paraffin, erucamide, silicone oil or white wax oil.
Preferably, the plasticizer is a phthalate.
Preferably, the chain extender is hydroquinone di (β -hydroxyethyl) ether.
In addition, the invention also provides a preparation method of the antibacterial easily-degradable plastic bottle cap, which comprises the following steps:
s1, firstly weighing silicon quaternary ammonium salt, spraying the silicon quaternary ammonium salt into a 1000 ml three-neck flask with a propeller stirrer under the protection of nitrogen through a sprayer, adding porous titanium dioxide into the three-neck flask in advance, starting the propeller to stir, adding citric acid after fully stirring uniformly, and mixing uniformly;
s2, standing for 1-2 hours, performing suction filtration, vacuum drying and grinding to obtain organosilicon quaternary ammonium salt antibacterial agent powder;
s3, uniformly mixing and melting polylactic acid, polypropylene, a dispersing agent, a plasticizer and a chain extender, and then adding organosilicon quaternary ammonium salt antibacterial agent powder; after being uniformly mixed, the mixture is subjected to injection molding and compression molding by an injection molding machine at the temperature of 170-230 ℃ to prepare the antibacterial easily-degradable plastic bottle cap.
Compared with the prior art, the invention has the following beneficial effects:
1. the biodegradable polylactic acid is used as a main raw material, and polypropylene, a dispersing agent, a plasticizer and a chain extender are combined, so that the compatibility of the whole polylactic acid/polypropylene blend is improved, and the mechanical property, the heat resistance, the fluidity and the friction resistance are improved; in addition, the adopted polylactic acid is a main raw material, can be decomposed by microorganisms under specific conditions, belongs to a degradable biological material, can be quickly decomposed and absorbed by the microorganisms in soil, has little pollution to the environment and has better environmental benefit.
2. According to the invention, the silicon quaternary ammonium salt is used as the main component of the antibacterial agent, the citric acid is used as the antibacterial agent synergist, the antibacterial active substance silicon quaternary ammonium salt is uniformly dispersed on the surface of the porous titanium dioxide, and the prepared organic silicon quaternary ammonium salt antibacterial agent is added into a plastic raw material processed by the bottle cap, so that the antibacterial performance of the plastic bottle cap can be improved; has high-efficiency and long-acting antibacterial performance, has obvious antibacterial effect and is more beneficial to the storage of products.
3. The invention is injection molded by the conventional processing technology, and the preparation method is simple and flexible and has good processing and molding performance.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. The specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Example 1
S1, firstly weighing 3 g of silicon quaternary ammonium salt, then spraying the silicon quaternary ammonium salt into a 1000 ml three-neck flask with a propeller stirrer under the protection of nitrogen through a sprayer, adding 10 g of porous titanium dioxide into the three-neck flask in advance, starting the propeller stirrer to stir, adding 10 g of citric acid after fully stirring uniformly, and mixing uniformly;
s2, standing for 1 hour, performing suction filtration, vacuum drying and grinding to obtain organosilicon quaternary ammonium salt antibacterial agent powder;
s3, mixing 50 g of polylactic acid, 10 g of polypropylene, 5 g of silicon ester, 1 g of phthalate and 6 g of hydroquinone-bis (beta-hydroxyethyl) ether uniformly, melting, and adding organosilicon quaternary ammonium salt antibacterial agent powder; after being uniformly mixed, the mixture is subjected to injection molding and compression molding by an injection molding machine at the temperature of 170-230 ℃ to prepare the antibacterial easily-degradable plastic bottle cap.
Example 2
S1, firstly weighing 8 g of silicon quaternary ammonium salt, then spraying the silicon quaternary ammonium salt into a 1000 ml three-neck flask with a propeller stirrer under the protection of nitrogen through a sprayer, adding 15 g of porous titanium dioxide into the three-neck flask in advance, starting the propeller stirrer to stir, adding 15 g of citric acid after stirring the mixture fully and uniformly, and mixing the mixture uniformly;
s2, standing for 2 hours, performing suction filtration, vacuum drying and grinding to obtain organosilicon quaternary ammonium salt antibacterial agent powder;
s3, uniformly mixing 70 g of polylactic acid, 20 g of polypropylene, 10 g of oleamide, 3 g of plasticizer and 10 g of chain extender, then melting, and then adding organosilicon quaternary ammonium salt antibacterial agent powder; after being uniformly mixed, the mixture is subjected to injection molding and compression molding by an injection molding machine at the temperature of 170-230 ℃ to prepare the antibacterial easily-degradable plastic bottle cap.
Example 3
S1, firstly weighing 4 g of silicon quaternary ammonium salt, then spraying the silicon quaternary ammonium salt into a 1000 ml three-neck flask with a propeller stirrer under the protection of nitrogen through a sprayer, adding 12 g of porous titanium dioxide into the three-neck flask in advance, starting the propeller to stir, adding 11 g of citric acid after fully and uniformly stirring, and uniformly mixing;
s2, standing for 1 hour, performing suction filtration, vacuum drying and grinding to obtain organosilicon quaternary ammonium salt antibacterial agent powder;
s3, uniformly mixing 55 parts of polylactic acid, 13 g of polypropylene, 6 g of organosilane, 2 g of plasticizer and 7 g of chain extender, melting, and then adding organosilicon quaternary ammonium salt antibacterial agent powder; after being uniformly mixed, the mixture is subjected to injection molding and compression molding by an injection molding machine at the temperature of 170-230 ℃ to prepare the antibacterial easily-degradable plastic bottle cap.
Example 4
S1, firstly weighing 7 g of silicon quaternary ammonium salt, then spraying the silicon quaternary ammonium salt into a 1000 ml three-neck flask with a propeller stirrer under the protection of nitrogen through a sprayer, adding 13 g of porous titanium dioxide into the three-neck flask in advance, starting the propeller to stir, adding 13 g of citric acid after fully stirring uniformly, and mixing uniformly;
s2, standing for 2 hours, performing suction filtration, vacuum drying and grinding to obtain organosilicon quaternary ammonium salt antibacterial agent powder;
s3, uniformly mixing 65 parts of polylactic acid, 18 g of polypropylene, 8 g of liquid paraffin, 3 g of plasticizer and 8 g of chain extender, then melting, and then adding organosilicon quaternary ammonium salt antibacterial agent powder; after being uniformly mixed, the mixture is subjected to injection molding and compression molding by an injection molding machine at the temperature of 170-230 ℃ to prepare the antibacterial easily-degradable plastic bottle cap.
Example 5
S1, firstly weighing 5 g of silicon quaternary ammonium salt, then spraying the silicon quaternary ammonium salt into a 1000 ml three-neck flask with a propeller stirrer under the protection of nitrogen through a sprayer, adding 12.5 g of porous titanium dioxide into the three-neck flask in advance, starting the propeller stirrer, fully stirring the mixture evenly, adding 12 g of citric acid, and mixing the mixture evenly;
s2, standing for 1.5 hours, and performing suction filtration, vacuum drying and grinding to obtain organosilicon quaternary ammonium salt antibacterial agent powder;
s3, uniformly mixing 60 parts of polylactic acid, 15 g of polypropylene, 7 g of silicone oil, 2.5 g of plasticizer and 7.5 g of chain extender, melting, and then adding organosilicon quaternary ammonium salt antibacterial agent powder; after being uniformly mixed, the mixture is subjected to injection molding and compression molding by an injection molding machine at the temperature of 170-230 ℃ to prepare the antibacterial easily-degradable plastic bottle cap.
In order to verify the characteristics of the antibacterial easily degradable plastic bottle cap of the present invention, the following tests were performed:
1. testing the mechanical properties of the antibacterial easily-degradable plastic bottle cap:
the antibacterial and easily degradable plastic bottle caps prepared in examples 1-5 of the invention are tested according to GB/T1040-1992, GB/T1040.1-2006 and GB/T1043-1993 for tensile strength, elongation at break and impact strength, and the common polypropylene bottle caps are selected as a control group, and the results are shown in the following table:
because the polylactic acid has low mechanical strength, the invention combines the polypropylene, the dispersant, the plasticizer and the chain extender, increases the compatibility of the whole polylactic acid/polypropylene blend, and improves the mechanical property, the heat resistance, the fluidity and the friction resistance; as can be seen from the table above, the mechanical properties of the antibacterial easily-degradable plastic bottle cap prepared by the invention are better than those of the existing common polypropylene bottle cap.
2. And (3) testing the antibacterial property of the antibacterial easily-degradable plastic bottle cap:
antibacterial test is carried out on the antibacterial easily-degradable plastic bottle caps according to an antibacterial test standard GB/T2591-2003A (antibacterial property test method and antibacterial effect) of antibacterial plastics, common polypropylene bottle caps are selected as a control group, and the test results are as follows:
as can be seen from the table above, the antibacterial degradable plastic bottle cap prepared by the invention has stronger antibacterial and bacteriostatic properties compared with the existing common polypropylene bottle cap.
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (6)
1. An antibacterial easily-degradable plastic bottle cap is characterized by being prepared from the following raw materials in parts by weight:
polylactic acid: 50-70 parts of a solvent;
polypropylene: 10-20 parts;
dispersing agent: 5-10 parts;
plasticizer: 1-3 parts;
chain extender: 6-10 parts of a solvent;
silicon quaternary ammonium salt: 3-8 parts;
citric acid: 10-15 parts;
porous titanium dioxide: 10-15 parts;
organosilicon quaternary ammonium salt: 3-8 parts.
2. The antibacterial easily-degradable plastic bottle cap as claimed in claim 1, which is prepared from the following raw materials in parts by weight:
polylactic acid: 55-65 parts of a binder;
polypropylene: 13-18 parts;
dispersing agent: 6-8 parts;
plasticizer: 2-3 parts of a solvent;
chain extender: 7-8 parts;
silicon quaternary ammonium salt: 4-6 parts;
citric acid: 11-13 parts;
porous titanium dioxide: 12-13 parts;
organosilicon quaternary ammonium salt: 4-7 parts.
3. The antibacterial degradable plastic bottle cap of claim 1, characterized in that: the dispersing agent is one or a combination of more of silicon ester, oleamide, silicone, organosilane, liquid paraffin, erucamide, silicone oil or white wax oil.
4. The antibacterial degradable plastic bottle cap of claim 1, characterized in that: the plasticizer is phthalate.
5. The antibacterial degradable plastic bottle cap of claim 1, characterized in that: the chain extender is hydroquinone di (beta-hydroxyethyl) ether.
6. The method for preparing the antibacterial easily degradable plastic bottle cap as claimed in any one of claims 1 to 5, which comprises the following steps:
s1, firstly weighing silicon quaternary ammonium salt, spraying the silicon quaternary ammonium salt into a 1000 ml three-neck flask with a propeller stirrer under the protection of nitrogen through a sprayer, adding porous titanium dioxide into the three-neck flask in advance, starting the propeller to stir, adding citric acid after fully stirring uniformly, and mixing uniformly;
s2, standing for 1-2 hours, performing suction filtration, vacuum drying and grinding to obtain organosilicon quaternary ammonium salt antibacterial agent powder;
s3, uniformly mixing and melting polylactic acid, polypropylene, a dispersing agent, a plasticizer and a chain extender, and then adding organosilicon quaternary ammonium salt antibacterial agent powder; after being uniformly mixed, the mixture is subjected to injection molding and compression molding by an injection molding machine at the temperature of 170-230 ℃ to prepare the antibacterial easily-degradable plastic bottle cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010676730.9A CN111944284A (en) | 2020-07-14 | 2020-07-14 | Antibacterial easily-degradable plastic bottle cap and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010676730.9A CN111944284A (en) | 2020-07-14 | 2020-07-14 | Antibacterial easily-degradable plastic bottle cap and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN111944284A true CN111944284A (en) | 2020-11-17 |
Family
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| CN202010676730.9A Pending CN111944284A (en) | 2020-07-14 | 2020-07-14 | Antibacterial easily-degradable plastic bottle cap and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104472530A (en) * | 2014-12-07 | 2015-04-01 | 南雄鼎成化工有限公司 | Solid powdery organosilicon quaternary ammonium salt antibacterial agent and preparation method thereof |
| US20160208083A1 (en) * | 2013-07-02 | 2016-07-21 | Total Research & Technology Feluy | Pe-pla compositions for caps and closures |
| CN107090166A (en) * | 2017-06-08 | 2017-08-25 | 四川新升塑胶实业有限公司 | A kind of environmentally-friendly plastic bottle |
-
2020
- 2020-07-14 CN CN202010676730.9A patent/CN111944284A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160208083A1 (en) * | 2013-07-02 | 2016-07-21 | Total Research & Technology Feluy | Pe-pla compositions for caps and closures |
| CN104472530A (en) * | 2014-12-07 | 2015-04-01 | 南雄鼎成化工有限公司 | Solid powdery organosilicon quaternary ammonium salt antibacterial agent and preparation method thereof |
| CN107090166A (en) * | 2017-06-08 | 2017-08-25 | 四川新升塑胶实业有限公司 | A kind of environmentally-friendly plastic bottle |
Non-Patent Citations (1)
| Title |
|---|
| 谢瑜等: "有机硅季铵盐抗菌剂的研究进展", 《化工技术与开发》 * |
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