CN107353507A - A kind of antistatic degradable environment-friendly package material - Google Patents
A kind of antistatic degradable environment-friendly package material Download PDFInfo
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- CN107353507A CN107353507A CN201710725819.8A CN201710725819A CN107353507A CN 107353507 A CN107353507 A CN 107353507A CN 201710725819 A CN201710725819 A CN 201710725819A CN 107353507 A CN107353507 A CN 107353507A
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- antistatic
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- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
- B65D65/466—Bio- or photodegradable packaging materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
-
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Packages (AREA)
Abstract
The invention discloses a kind of antistatic degradable environment-friendly package material, it is made up of the raw material of following weight parts：60 70 parts of polypropylene, 48 parts of silica, 24 parts of magnesia, 37 parts of oleamide, 12 parts of diffusant, 26 parts of chitosan, 0.5 1.5 parts of slipping agent, 25 parts of nano-cellulose, 3 10 parts of graphene oxide, 26 parts of activity oxidation manganese, 38 parts of calcium carbonate, 12 parts of silane coupler, 12 parts of antioxidant, 36 parts of nano titanium oxide, 15 parts of conductive fiber, 13 parts of antistatic additive, 35 parts of ZnOw, 0.3 1 parts of degradation of promoter.The present invention is using polypropylene as primary raw material, then adds appropriate additive, not only ensures the obdurability of packaging material, and has good degradation effect, reduces the influence to surrounding environment, the degradation of promoter of addition can accelerate degradation speed；Acted on by nano titanium oxide, conductive fiber, antistatic additive, ZnOw coordinated so that packaging material has good antistatic behaviour；Natural antibacterial agent, it is safe and non-toxic, antimicrobial efficiency is higher.
Description
Technical field
The present invention relates to packaging material field, is specifically a kind of antistatic degradable environment-friendly package material.
Background technology
Polypropylene film is by a kind of novel packaging film instead of growing up for the purpose of glassine paper, and it has machinery
The features such as intensity is high, good toughness, transparency and preferable glossiness.Its price lower than glassine paper 20% or so.So in food, medicine
Substitute in the packaging such as product, cigarette, textile or part instead of glassine paper.But do not possess antibiotic property and antistatic behaviour, with
The application of packaging material, " white pollution " that waste plastic is brought is also increasingly severe, with the enhancing of people's environmental consciousness, such as
What alleviates the topic that white pollution has been people's growing interest.
The content of the invention
It is an object of the invention to provide a kind of antistatic degradable environment-friendly package material, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical scheme：
A kind of antistatic degradable environment-friendly package material, is made up of the raw material of following weight parts：
Polypropylene 60-70 parts, silica 4-8 parts, magnesia 2-4 parts, oleamide 3-7 parts, diffusant 1-2 parts, shell
Glycan 2-6 parts, slipping agent 0.5-1.5 parts, nano-cellulose 2-5 parts, graphene oxide 3-10 parts, activity oxidation manganese 2-6 parts, carbon
It is sour calcium 3-8 parts, silane coupler 1-2 parts, antioxidant 1-2 parts, nano titanium oxide 3-6 parts, conductive fiber 1-5 parts, antistatic
Agent 1-3 parts, ZnOw 3-5 parts, degradation of promoter 0.3-1 parts.
A kind of antistatic degradable environment-friendly package material, is made up of the raw material of following weight parts：
It is 60 parts of polypropylene, 4 parts of silica, 2 parts of magnesia, 3 parts of oleamide, 1 part of diffusant, 2 parts of chitosan, smooth
It is 0.5 part of agent, 2 parts of nano-cellulose, 3 parts of graphene oxide, 2 parts of activity oxidation manganese, 3 parts of calcium carbonate, 1 part of silane coupler, anti-
1 part of oxygen agent, 3 parts of nano titanium oxide, 1 part of conductive fiber, 1 part of antistatic additive, 3 parts of ZnOw, degradation of promoter 0.3
Part.
A kind of antistatic degradable environment-friendly package material, is made up of the raw material of following weight parts：
It is 70 parts of polypropylene, 8 parts of silica, 4 parts of magnesia, 7 parts of oleamide, 2 parts of diffusant, 6 parts of chitosan, smooth
It is 1.5 parts of agent, 5 parts of nano-cellulose, 10 parts of graphene oxide, 6 parts of activity oxidation manganese, 8 parts of calcium carbonate, 2 parts of silane coupler, anti-
2 parts of oxygen agent, 6 parts of nano titanium oxide, 5 parts of conductive fiber, 3 parts of antistatic additive, 5 parts of ZnOw, 1 part of degradation of promoter.
A kind of antistatic degradable environment-friendly package material, is made up of the raw material of following weight parts：
It is 65 parts of polypropylene, 6 parts of silica, 3 parts of magnesia, 5 parts of oleamide, 1.5 parts of diffusant, 4 parts of chitosan, refreshing
1 part of lubrication prescription, 4 parts of nano-cellulose, 6 parts of graphene oxide, 4 parts of activity oxidation manganese, 5 parts of calcium carbonate, 1.5 parts of silane coupler,
1.5 parts of antioxidant, 4.5 parts of nano titanium oxide, 3 parts of conductive fiber, 2 parts of antistatic additive, 4 parts of ZnOw, degraded promote
0.7 part of agent.
The antistatic additive is stearic acid-base trimethyl ammonium chloride, hexadecyltrimethylammonium chloride, dodecyl front three
Ammonium chloride, OTAC, stearoylketene dimethyl-penten ammonium chloride, DTAB, ten
Tetraalkyl trimethylammonium bromide, cetyl trimethylammonium bromide, trihydroxyethyl methyl quaternary amine Methylsulfate or poly alkyl alcohol
One or more combinations in oxygen ethene ether phosphate.
The natural antibacterial agent is the combination of mustard essential oil, galic essential oil, pine branch extract, lysozyme, Cuminum cyminum extract
Thing, wherein mustard essential oil, galic essential oil, pine branch extract, lysozyme, the mass ratio of composition of Cuminum cyminum extract are 1-3:1-
3:1:1-3:1-3。
The conductive fiber is conductive yam, natural plant fibre, the composition of carbon fiber, wherein conductive yam, natural plants
Fiber, carbon fiber composition mass ratio be 1:1:2.
The degradation of promoter is double (4- hydroxy phenyls) propane of 2,2-.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is using polypropylene as primary raw material, then adds appropriate additive, not only ensures the obdurability of packaging material,
And there is good degradation effect, the influence to surrounding environment is reduced, the degradation of promoter of addition can accelerate degradation speed；It is logical
Cross nano titanium oxide, conductive fiber, antistatic additive, the effect of ZnOw coordinated so that packaging material of the invention
With good antistatic behaviour；Natural antibacterial agent, it is safe and non-toxic, antimicrobial efficiency is higher；The addition of conductive fiber is small, processability
Can good, excellent combination property, especially suitable for large-scale production.
Embodiment
Embodiment 1
A kind of antistatic degradable environment-friendly package material, is made up of the raw material of following weight parts：
It is 60 parts of polypropylene, 4 parts of silica, 2 parts of magnesia, 3 parts of oleamide, 1 part of diffusant, 2 parts of chitosan, smooth
It is 0.5 part of agent, 2 parts of nano-cellulose, 3 parts of graphene oxide, 2 parts of activity oxidation manganese, 3 parts of calcium carbonate, 1 part of silane coupler, anti-
1 part of oxygen agent, 3 parts of nano titanium oxide, 1 part of conductive fiber, 1 part of antistatic additive, 3 parts of ZnOw, degradation of promoter 0.3
Part.
The antistatic additive is stearic acid-base trimethyl ammonium chloride, hexadecyltrimethylammonium chloride, dodecyl front three
Ammonium chloride, OTAC, stearoylketene dimethyl-penten ammonium chloride, DTAB, ten
Tetraalkyl trimethylammonium bromide, cetyl trimethylammonium bromide, trihydroxyethyl methyl quaternary amine Methylsulfate or poly alkyl alcohol
One or more combinations in oxygen ethene ether phosphate.
The natural antibacterial agent is the combination of mustard essential oil, galic essential oil, pine branch extract, lysozyme, Cuminum cyminum extract
Thing, wherein mustard essential oil, galic essential oil, pine branch extract, lysozyme, Cuminum cyminum extract composition mass ratio be 1:1:1:
1:1。
The conductive fiber is conductive yam, natural plant fibre, the composition of carbon fiber, wherein conductive yam, natural plants
Fiber, carbon fiber composition mass ratio be 1:1:2.
The degradation of promoter is double (4- hydroxy phenyls) propane of 2,2-.
Embodiment 2
A kind of antistatic degradable environment-friendly package material, is made up of the raw material of following weight parts：
It is 70 parts of polypropylene, 8 parts of silica, 4 parts of magnesia, 7 parts of oleamide, 2 parts of diffusant, 6 parts of chitosan, smooth
It is 1.5 parts of agent, 5 parts of nano-cellulose, 10 parts of graphene oxide, 6 parts of activity oxidation manganese, 8 parts of calcium carbonate, 2 parts of silane coupler, anti-
2 parts of oxygen agent, 6 parts of nano titanium oxide, 5 parts of conductive fiber, 3 parts of antistatic additive, 5 parts of ZnOw, 1 part of degradation of promoter.
The antistatic additive is stearic acid-base trimethyl ammonium chloride, hexadecyltrimethylammonium chloride, dodecyl front three
Ammonium chloride, OTAC, stearoylketene dimethyl-penten ammonium chloride, DTAB, ten
Tetraalkyl trimethylammonium bromide, cetyl trimethylammonium bromide, trihydroxyethyl methyl quaternary amine Methylsulfate or poly alkyl alcohol
One or more combinations in oxygen ethene ether phosphate.
The natural antibacterial agent is the combination of mustard essential oil, galic essential oil, pine branch extract, lysozyme, Cuminum cyminum extract
Thing, wherein mustard essential oil, galic essential oil, pine branch extract, lysozyme, Cuminum cyminum extract composition mass ratio be 3:3:1:
3:3
The conductive fiber is conductive yam, natural plant fibre, the composition of carbon fiber, wherein conductive yam, natural plants
Fiber, carbon fiber composition mass ratio be 1:1:2.
The degradation of promoter is double (4- hydroxy phenyls) propane of 2,2-.
Embodiment 3
A kind of antistatic degradable environment-friendly package material, is made up of the raw material of following weight parts：
It is 65 parts of polypropylene, 6 parts of silica, 3 parts of magnesia, 5 parts of oleamide, 1.5 parts of diffusant, 4 parts of chitosan, refreshing
1 part of lubrication prescription, 4 parts of nano-cellulose, 6 parts of graphene oxide, 4 parts of activity oxidation manganese, 5 parts of calcium carbonate, 1.5 parts of silane coupler,
1.5 parts of antioxidant, 4.5 parts of nano titanium oxide, 3 parts of conductive fiber, 2 parts of antistatic additive, 4 parts of ZnOw, degraded promote
0.7 part of agent.
The antistatic additive is stearic acid-base trimethyl ammonium chloride, hexadecyltrimethylammonium chloride, dodecyl front three
Ammonium chloride, OTAC, stearoylketene dimethyl-penten ammonium chloride, DTAB, ten
Tetraalkyl trimethylammonium bromide, cetyl trimethylammonium bromide, trihydroxyethyl methyl quaternary amine Methylsulfate or poly alkyl alcohol
One or more combinations in oxygen ethene ether phosphate.
The natural antibacterial agent is the combination of mustard essential oil, galic essential oil, pine branch extract, lysozyme, Cuminum cyminum extract
Thing, wherein mustard essential oil, galic essential oil, pine branch extract, lysozyme, Cuminum cyminum extract composition mass ratio be 2:2:1:
2:2。
The conductive fiber is conductive yam, natural plant fibre, the composition of carbon fiber, wherein conductive yam, natural plants
Fiber, carbon fiber composition mass ratio be 1:1:2.
The degradation of promoter is double (4- hydroxy phenyls) propane of 2,2-.
Claims (8)
1. a kind of antistatic degradable environment-friendly package material, it is characterised in that be made up of the raw material of following weight parts：
Polypropylene 60-70 parts, silica 4-8 parts, magnesia 2-4 parts, oleamide 3-7 parts, diffusant 1-2 parts, chitosan
2-6 parts, slipping agent 0.5-1.5 parts, nano-cellulose 2-5 parts, graphene oxide 3-10 parts, activity oxidation manganese 2-6 parts, calcium carbonate
3-8 parts, silane coupler 1-2 parts, antioxidant 1-2 parts, nano titanium oxide 3-6 parts, conductive fiber 1-5 parts, antistatic additive 1-3
Part, ZnOw 3-5 parts, degradation of promoter 0.3-1 parts.
2. antistatic degradable environment-friendly package material according to claim 1, it is characterised in that by the original of following weight parts
Material is made：
60 parts of polypropylene, 4 parts of silica, 2 parts of magnesia, 3 parts of oleamide, 1 part of diffusant, 2 parts of chitosan, slipping agent
0.5 part, 2 parts of nano-cellulose, 3 parts of graphene oxide, 2 parts of activity oxidation manganese, 3 parts of calcium carbonate, 1 part of silane coupler, antioxygen
1 part of agent, 3 parts of nano titanium oxide, 1 part of conductive fiber, 1 part of antistatic additive, 3 parts of ZnOw, 0.3 part of degradation of promoter.
3. antistatic degradable environment-friendly package material according to claim 1, it is characterised in that by the original of following weight parts
Material is made：
70 parts of polypropylene, 8 parts of silica, 4 parts of magnesia, 7 parts of oleamide, 2 parts of diffusant, 6 parts of chitosan, slipping agent
1.5 parts, 5 parts of nano-cellulose, 10 parts of graphene oxide, 6 parts of activity oxidation manganese, 8 parts of calcium carbonate, 2 parts of silane coupler, antioxygen
2 parts of agent, 6 parts of nano titanium oxide, 5 parts of conductive fiber, 3 parts of antistatic additive, 5 parts of ZnOw, 1 part of degradation of promoter.
4. antistatic degradable environment-friendly package material according to claim 1, it is characterised in that by the original of following weight parts
Material is made：
65 parts of polypropylene, 6 parts of silica, 3 parts of magnesia, 5 parts of oleamide, 1.5 parts of diffusant, 4 parts of chitosan, slipping agent
1 part, 4 parts of nano-cellulose, 6 parts of graphene oxide, 4 parts of activity oxidation manganese, 5 parts of calcium carbonate, 1.5 parts of silane coupler, antioxygen
1.5 parts of agent, 4.5 parts of nano titanium oxide, 3 parts of conductive fiber, 2 parts of antistatic additive, 4 parts of ZnOw, degradation of promoter 0.7
Part.
5. antistatic degradable environment-friendly package material according to claim 1, it is characterised in that the antistatic additive is hard
Resin acid base trimethyl ammonium chloride, hexadecyltrimethylammonium chloride, DTAC, octadecyl trimethyl chlorine
Change ammonium, stearoylketene dimethyl-penten ammonium chloride, DTAB, TTAB, hexadecane
Base trimethylammonium bromide, trihydroxyethyl methyl quaternary amine Methylsulfate or one kind or more in AEO phosphate
Kind combination.
6. antistatic degradable environment-friendly package material according to claim 1, it is characterised in that the natural antibacterial agent is
Mustard essential oil, galic essential oil, pine branch extract, lysozyme, the composition of Cuminum cyminum extract, wherein mustard essential oil, galic essential oil,
Pine branch extract, lysozyme, the mass ratio of composition of Cuminum cyminum extract are 1-3:1-3:1:1-3:1-3.
7. antistatic degradable environment-friendly package material according to claim 1, it is characterised in that the conductive fiber is to lead
Electric yarn, natural plant fibre, the composition of carbon fiber, wherein conductive yam, natural plant fibre, carbon fiber composition quality
Than for 1:1:2.
8. antistatic degradable environment-friendly package material according to claim 1, it is characterised in that the degradation of promoter is
Double (4- hydroxy phenyls) propane of 2,2-.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725819.8A CN107353507A (en) | 2017-08-22 | 2017-08-22 | A kind of antistatic degradable environment-friendly package material |
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| CN201710725819.8A CN107353507A (en) | 2017-08-22 | 2017-08-22 | A kind of antistatic degradable environment-friendly package material |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560265A (en) * | 2018-04-25 | 2018-09-21 | 常州市蓝勖化工有限公司 | A kind of preparation method of antistatic agent |
| CN108676233A (en) * | 2018-05-28 | 2018-10-19 | 安徽顺彤包装材料有限公司 | A kind of wear resistant polyethylene plastic package material and preparation method thereof |
| CN108752741A (en) * | 2018-05-28 | 2018-11-06 | 安徽顺彤包装材料有限公司 | A kind of antistatic polypropylene packaging material and preparation method thereof |
| CN108912481A (en) * | 2018-05-28 | 2018-11-30 | 安徽顺彤包装材料有限公司 | A kind of antibacterial flame-retardant polypropylene packaging material and preparation method thereof |
| CN109627574A (en) * | 2018-11-28 | 2019-04-16 | 广州市宇艺包装材料有限公司 | A kind of heat-resistant fireproof packaging material and preparation method thereof |
| CN110256758A (en) * | 2019-05-16 | 2019-09-20 | 广州大学 | A kind of antibiotic plastic and preparation method thereof based on microwave synthesis quaternary ammonium salt |
| CN116199973A (en) * | 2023-02-20 | 2023-06-02 | 河北同福健康产业有限公司 | Packaging material and packaging bag for prolonging shelf life of steamed bread |
| WO2024110514A1 (en) | 2022-11-23 | 2024-05-30 | Unilever Ip Holdings B.V. | A packaging composite |
| CN116199973B (en) * | 2023-02-20 | 2024-07-05 | 河北同福健康产业有限公司 | Packaging material and packaging bag for prolonging shelf life of steamed bread |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243499A (en) * | 2016-08-16 | 2016-12-21 | 金田集团（桐城）塑业有限公司 | A kind of antistatic antibiotic BOPP thin film |
-
2017
- 2017-08-22 CN CN201710725819.8A patent/CN107353507A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243499A (en) * | 2016-08-16 | 2016-12-21 | 金田集团（桐城）塑业有限公司 | A kind of antistatic antibiotic BOPP thin film |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560265A (en) * | 2018-04-25 | 2018-09-21 | 常州市蓝勖化工有限公司 | A kind of preparation method of antistatic agent |
| CN108676233A (en) * | 2018-05-28 | 2018-10-19 | 安徽顺彤包装材料有限公司 | A kind of wear resistant polyethylene plastic package material and preparation method thereof |
| CN108752741A (en) * | 2018-05-28 | 2018-11-06 | 安徽顺彤包装材料有限公司 | A kind of antistatic polypropylene packaging material and preparation method thereof |
| CN108912481A (en) * | 2018-05-28 | 2018-11-30 | 安徽顺彤包装材料有限公司 | A kind of antibacterial flame-retardant polypropylene packaging material and preparation method thereof |
| CN109627574A (en) * | 2018-11-28 | 2019-04-16 | 广州市宇艺包装材料有限公司 | A kind of heat-resistant fireproof packaging material and preparation method thereof |
| CN110256758A (en) * | 2019-05-16 | 2019-09-20 | 广州大学 | A kind of antibiotic plastic and preparation method thereof based on microwave synthesis quaternary ammonium salt |
| CN110256758B (en) * | 2019-05-16 | 2021-12-28 | 广州大学 | Antibacterial plastic based on microwave synthesis of quaternary ammonium salt and preparation method thereof |
| WO2024110514A1 (en) | 2022-11-23 | 2024-05-30 | Unilever Ip Holdings B.V. | A packaging composite |
| CN116199973A (en) * | 2023-02-20 | 2023-06-02 | 河北同福健康产业有限公司 | Packaging material and packaging bag for prolonging shelf life of steamed bread |
| CN116199973B (en) * | 2023-02-20 | 2024-07-05 | 河北同福健康产业有限公司 | Packaging material and packaging bag for prolonging shelf life of steamed bread |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |
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| RJ01 | Rejection of invention patent application after publication |