CN107353508A - A kind of wear-resistant uvioresistant line polypropylene film packaging material - Google Patents
A kind of wear-resistant uvioresistant line polypropylene film packaging material Download PDFInfo
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- CN107353508A CN107353508A CN201710731199.9A CN201710731199A CN107353508A CN 107353508 A CN107353508 A CN 107353508A CN 201710731199 A CN201710731199 A CN 201710731199A CN 107353508 A CN107353508 A CN 107353508A
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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
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- 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
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- 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
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- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/04—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
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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Abstract
The invention discloses a kind of wear-resistant uvioresistant line polypropylene film packaging material, it is made from the following raw materials in parts by weight：45 65 parts of polypropylene, 8 15 parts of modified fluorin resin, 5 10 parts of nano wearproof powder, 48 parts of corn stalk fiber, 36 parts of cornstarch, 35 parts of nano antimony tin oxide, 13 parts of glass fibre, 24 parts of nano aluminium oxide, 38 parts of 1,2 dimethyl cyclohexane, 36 parts of zeolite with carrying silver, 36 parts of degradation of promoter, 12 parts of coupling agent, 24 parts of vegetable oil.The polypropylene film packaging material intensity height and good toughness of the present invention, antistatic, impact resistance, easy processing, weather-proof wear-resisting and cost are low, have very high tensile strength and elongation at break；Raw material uses corn stalk fiber and cornstarch, good degrading effect, and by adding degradation of promoter, accelerates the degraded of packaging material, reduces the influence to surrounding environment；The film packing material of the present invention is by adding modified fluorin resin, and polypropylene rational proportion, can enhanced film anti-uv-ray.
Description
Technical field
The present invention relates to packaging material field, specifically a kind of wear-resistant uvioresistant line polypropylene film packaging 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.Polypropylene film is a kind of very important Soft Roll
Package material, polypropylene film is colourless, odorless, tasteless, nontoxic, and with high tensile, impact strength, rigidity, obdurability and
The good transparency.
But existing polypropylene film does not possess antistatic behaviour, wear-resisting, anti-ultraviolet performance, have impact on its application.
The content of the invention
It is an object of the invention to provide a kind of wear-resistant uvioresistant line polypropylene film packaging material, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of wear-resistant uvioresistant line polypropylene film packaging material, is made from the following raw materials in parts by weight：Polypropylene 45-65
It is part, modified fluorin resin 8-15 parts, nano wearproof powder 5-10 parts, corn stalk fiber 4-8 parts, cornstarch 3-6 parts, nano oxidized
Tin antimony 3-5 parts, glass fibre 1-3 parts, nano aluminium oxide 2-4 parts, 1,2- dimethyl cyclohexane 3-8 parts, zeolite with carrying silver 3-6 parts,
Degradation of promoter 3-6 parts, coupling agent 1-2 parts, vegetable oil 2-4 parts；
A kind of wear-resistant uvioresistant line polypropylene film packaging material, is made from the following raw materials in parts by weight：45 parts of polypropylene,
8 parts of modified fluorin resin, 5 parts of nano wearproof powder, 4 parts of corn stalk fiber, 3 parts of cornstarch, 3 parts of nano antimony tin oxide, glass
1 part of fiber, 2 parts of nano aluminium oxide, 3 parts of 1,2- dimethyl cyclohexanes, 3 parts of zeolite with carrying silver, 3 parts of degradation of promoter, coupling agent 1
Part, 2 parts of vegetable oil.
A kind of wear-resistant uvioresistant line polypropylene film packaging material, is made from the following raw materials in parts by weight：65 parts of polypropylene,
15 parts of modified fluorin resin, 10 parts of nano wearproof powder, 8 parts of corn stalk fiber, 6 parts of cornstarch, 5 parts of nano antimony tin oxide, glass
3 parts of glass fiber, 4 parts of nano aluminium oxide, 1,8 parts of dimethyl cyclohexane, 6 parts of zeolite with carrying silver, 6 parts of degradation of promoter, coupling agent 2
Part, 4 parts of vegetable oil.
A kind of wear-resistant uvioresistant line polypropylene film packaging material, is made from the following raw materials in parts by weight：55 parts of polypropylene,
12 parts of modified fluorin resin, 8 parts of nano wearproof powder, corn stalk fiber 4-6 parts, 4.5 parts of cornstarch, 4 parts of nano antimony tin oxide,
2 parts of glass fibre, 3 parts of nano aluminium oxide, 5 parts of 1,2- dimethyl cyclohexanes, 5 parts of zeolite with carrying silver, 5 parts of degradation of promoter, coupling
1.5 parts of agent, 3 parts of vegetable oil.
Described modified fluorin resin is made up of following methods：Fluororesin 20g, Octrizole 0.22g, isobutene 2.5g are existed
Stirring reaction 6-7h at 68-78 DEG C；Be subsequently added into daiflon 7.5g, calcium carbonate 4g, 2- hydroxyl -4- methoxyl groups -
5- azochlorosulfonate acid hydrates 0.15g stirring reaction 3-4h at 90-110 DEG C；Be eventually adding diatomite 2g, 2- (2H- BTAs-
2- yls) p-cresol 0.15g, 3- chloropropyl dimethoxymethylsilane 2.5g, 1,4 bis tert butyl peroxy isopropyl benzene 1.5g
Stirring reaction 2-3h, is produced at 140-150 DEG C.
The nano wearproof powder is the mixture of nanometer silicon carbide and nano-silicon nitride, and nanometer silicon carbide and nano silicon nitride
The ratio of silicon is 1:2.
Preferably, the coupling agent is selected from lauroyl peroxide, m-methyl benzoyl formyl chloride, 4-Nitrobenzenesulfonyl chloride, sulfanilamide (SN)
One or more in vinegar acyl.
Compared with prior art, the beneficial effects of the invention are as follows：
The polypropylene film packaging material intensity of the present invention is high and good toughness, antistatic, impact resistance, easy processing, weather-proof resistance to
Grind and cost is low, there is very high tensile strength and elongation at break；Raw material uses corn stalk fiber and cornstarch,
Good degrading effect, and by adding degradation of promoter, accelerate the degraded of packaging material, reduce the influence to surrounding environment；This hair
Bright film packing material is by adding modified fluorin resin, and polypropylene rational proportion, can enhanced film anti-uv-ray,
Play the role of larger for the tensile strength and elongation at break for improving film packing material, achieve very good effect.
While by adding the nanometer silicon carbide and nano-silicon nitride of rational proportion so that polypropylene film packaging material has excellent
Anti-wear performance and filming performance.
Embodiment
Embodiment 1
A kind of wear-resistant uvioresistant line polypropylene film packaging material, is made from the following raw materials in parts by weight：45 parts of polypropylene,
8 parts of modified fluorin resin, 5 parts of nano wearproof powder, 4 parts of corn stalk fiber, 3 parts of cornstarch, 3 parts of nano antimony tin oxide, glass
1 part of fiber, 2 parts of nano aluminium oxide, 3 parts of 1,2- dimethyl cyclohexanes, 3 parts of zeolite with carrying silver, 3 parts of degradation of promoter, coupling agent 1
Part, 2 parts of vegetable oil.
Described modified fluorin resin is made up of following methods：Fluororesin 20g, Octrizole 0.22g, isobutene 2.5g are existed
Stirring reaction 6-7h at 68-78 DEG C；Be subsequently added into daiflon 7.5g, calcium carbonate 4g, 2- hydroxyl -4- methoxyl groups -
5- azochlorosulfonate acid hydrates 0.15g stirring reaction 3-4h at 90-110 DEG C；Be eventually adding diatomite 2g, 2- (2H- BTAs-
2- yls) p-cresol 0.15g, 3- chloropropyl dimethoxymethylsilane 2.5g, 1,4 bis tert butyl peroxy isopropyl benzene 1.5g
Stirring reaction 2-3h, is produced at 140-150 DEG C.
The nano wearproof powder is the mixture of nanometer silicon carbide and nano-silicon nitride, and nanometer silicon carbide and nano silicon nitride
The ratio of silicon is 1:2.
Preferably, the coupling agent is selected from lauroyl peroxide, m-methyl benzoyl formyl chloride, 4-Nitrobenzenesulfonyl chloride, sulfanilamide (SN)
One or more in vinegar acyl.
Embodiment 2
A kind of wear-resistant uvioresistant line polypropylene film packaging material, is made from the following raw materials in parts by weight：65 parts of polypropylene,
15 parts of modified fluorin resin, 10 parts of nano wearproof powder, 8 parts of corn stalk fiber, 6 parts of cornstarch, 5 parts of nano antimony tin oxide, glass
3 parts of glass fiber, 4 parts of nano aluminium oxide, 1,8 parts of dimethyl cyclohexane, 6 parts of zeolite with carrying silver, 6 parts of degradation of promoter, coupling agent 2
Part, 4 parts of vegetable oil.
Described modified fluorin resin is made up of following methods：Fluororesin 20g, Octrizole 0.22g, isobutene 2.5g are existed
Stirring reaction 6-7h at 68-78 DEG C；Be subsequently added into daiflon 7.5g, calcium carbonate 4g, 2- hydroxyl -4- methoxyl groups -
5- azochlorosulfonate acid hydrates 0.15g stirring reaction 3-4h at 90-110 DEG C；Be eventually adding diatomite 2g, 2- (2H- BTAs-
2- yls) p-cresol 0.15g, 3- chloropropyl dimethoxymethylsilane 2.5g, 1,4 bis tert butyl peroxy isopropyl benzene 1.5g
Stirring reaction 2-3h, is produced at 140-150 DEG C.
The nano wearproof powder is the mixture of nanometer silicon carbide and nano-silicon nitride, and nanometer silicon carbide and nano silicon nitride
The ratio of silicon is 1:2.
Preferably, the coupling agent is selected from lauroyl peroxide, m-methyl benzoyl formyl chloride, 4-Nitrobenzenesulfonyl chloride, sulfanilamide (SN)
One or more in vinegar acyl.
Embodiment 3
A kind of wear-resistant uvioresistant line polypropylene film packaging material, is made from the following raw materials in parts by weight：55 parts of polypropylene,
12 parts of modified fluorin resin, 8 parts of nano wearproof powder, corn stalk fiber 4-6 parts, 4.5 parts of cornstarch, 4 parts of nano antimony tin oxide,
2 parts of glass fibre, 3 parts of nano aluminium oxide, 5 parts of 1,2- dimethyl cyclohexanes, 5 parts of zeolite with carrying silver, 5 parts of degradation of promoter, coupling
1.5 parts of agent, 3 parts of vegetable oil.
Described modified fluorin resin is made up of following methods：Fluororesin 20g, Octrizole 0.22g, isobutene 2.5g are existed
Stirring reaction 6-7h at 68-78 DEG C；Be subsequently added into daiflon 7.5g, calcium carbonate 4g, 2- hydroxyl -4- methoxyl groups -
5- azochlorosulfonate acid hydrates 0.15g stirring reaction 3-4h at 90-110 DEG C；Be eventually adding diatomite 2g, 2- (2H- BTAs-
2- yls) p-cresol 0.15g, 3- chloropropyl dimethoxymethylsilane 2.5g, 1,4 bis tert butyl peroxy isopropyl benzene 1.5g
Stirring reaction 2-3h, is produced at 140-150 DEG C.
The nano wearproof powder is the mixture of nanometer silicon carbide and nano-silicon nitride, and nanometer silicon carbide and nano silicon nitride
The ratio of silicon is 1:2.
Preferably, the coupling agent is selected from lauroyl peroxide, m-methyl benzoyl formyl chloride, 4-Nitrobenzenesulfonyl chloride, sulfanilamide (SN)
One or more in vinegar acyl.
Nano antimony tin oxide powder is the super-fine material that particle size is less than 100nm, is a kind of N-type semiconductor material, with
Traditional anti-static material is compared, and nano antimony tin oxide powder has obvious advantage, is mainly manifested in good electric conductivity, resistance to
Hou Xing, stability, light-coloured transparent and low infrared emittance etc., it is a kind of extremely potential novel and multifunctional
Conductive material and heat-barrier material.
Claims (7)
1. a kind of wear-resistant uvioresistant line polypropylene film packaging material, it is characterised in that be made from the following raw materials in parts by weight：It is poly-
Propylene 45-65 parts, modified fluorin resin 8-15 parts, nano wearproof powder 5-10 parts, corn stalk fiber 4-8 parts, cornstarch 3-6
Part, nano antimony tin oxide 3-5 parts, glass fibre 1-3 parts, nano aluminium oxide 2-4 parts, 1,2- dimethyl cyclohexane 3-8 parts, load silver
Zeolite 3-6 parts, degradation of promoter 3-6 parts, coupling agent 1-2 parts, vegetable oil 2-4 parts.
2. wear-resistant uvioresistant line polypropylene film packaging material according to claim 1, it is characterised in that by following weight
The raw material of part is made：45 parts of polypropylene, 8 parts of modified fluorin resin, 5 parts of nano wearproof powder, 4 parts of corn stalk fiber, cornstarch 3
Part, 3 parts of nano antimony tin oxide, 1 part of glass fibre, 2 parts of nano aluminium oxide, 3 parts of 1,2- dimethyl cyclohexanes, 3 parts of zeolite with carrying silver,
3 parts of degradation of promoter, 1 part of coupling agent, 2 parts of vegetable oil.
3. wear-resistant uvioresistant line polypropylene film packaging material according to claim 1, it is characterised in that by following weight
The raw material of part is made：65 parts of polypropylene, 15 parts of modified fluorin resin, 10 parts of nano wearproof powder, 8 parts of corn stalk fiber, corn form sediment
6 parts of powder, 5 parts of nano antimony tin oxide, 3 parts of glass fibre, 4 parts of nano aluminium oxide, 1,8 parts of dimethyl cyclohexane, zeolite with carrying silver 6
Part, 6 parts of degradation of promoter, 2 parts of coupling agent, 4 parts of vegetable oil.
4. wear-resistant uvioresistant line polypropylene film packaging material according to claim 1, it is characterised in that by following weight
The raw material of part is made：55 parts of polypropylene, 12 parts of modified fluorin resin, 8 parts of nano wearproof powder, corn stalk fiber 4-6 parts, corn form sediment
4.5 parts of powder, 4 parts of nano antimony tin oxide, 2 parts of glass fibre, 3 parts of nano aluminium oxide, 5 parts of 1,2- dimethyl cyclohexanes, load silver boiling
5 parts of stone, 5 parts of degradation of promoter, 1.5 parts of coupling agent, 3 parts of vegetable oil.
5. wear-resistant uvioresistant line polypropylene film packaging material according to claim 1, it is characterised in that described modification
Fluororesin is made up of following methods：By fluororesin 20g, Octrizole 0.22g, isobutene 2.5g at 68-78 DEG C stirring reaction
6-7h；It is subsequently added into daiflon 7.5g, calcium carbonate 4g, 2- hydroxyl -4- methoxyl group -5- azochlorosulfonate acid hydrates 0.15g
The stirring reaction 3-4h at 90-110 DEG C；It is eventually adding diatomite 2g, 2- (2H- BTA -2- bases) p-cresol
0.15g, 3- chloropropyl dimethoxymethylsilane 2.5g, 1,4 bis tert butyl peroxy isopropyl benzene 1.5g are at 140-150 DEG C
Stirring reaction 2-3h, is produced.
6. wear-resistant uvioresistant line polypropylene film packaging material according to claim 1, it is characterised in that the nanometer is resistance to
The mixture being milled as nanometer silicon carbide and nano-silicon nitride, and the ratio of nanometer silicon carbide and nano-silicon nitride is 1:2.
7. wear-resistant uvioresistant line polypropylene film packaging material according to claim 1, it is characterised in that the coupling agent
One or more in lauroyl peroxide, m-methyl benzoyl formyl chloride, 4-Nitrobenzenesulfonyl chloride, sulfacetamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731199.9A CN107353508A (en) | 2017-08-23 | 2017-08-23 | A kind of wear-resistant uvioresistant line polypropylene film packaging material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731199.9A CN107353508A (en) | 2017-08-23 | 2017-08-23 | A kind of wear-resistant uvioresistant line polypropylene film packaging material |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105400057A (en) * | 2015-12-03 | 2016-03-16 | 苏州沃尔兴电子科技有限公司 | Halogen-free flame-retardant temperature-resistant polyolefin pyrocondensation material and preparation method thereof |
| CN106243498A (en) * | 2016-08-15 | 2016-12-21 | 桐城市人和包装有限公司 | A kind of antistatic polypropylene film packing material |
| CN106280002A (en) * | 2016-08-31 | 2017-01-04 | 金田集团（桐城）塑业有限公司 | A kind of uvioresistant polypropylene film material |
| CN106279987A (en) * | 2016-08-15 | 2017-01-04 | 桐城市人和包装有限公司 | A kind of antibacterial nano plastic packaging material |
| CN106336574A (en) * | 2016-08-31 | 2017-01-18 | 金田集团（桐城）塑业有限公司 | BOPP film |
| CN106633131A (en) * | 2016-11-30 | 2017-05-10 | 徐丹峰 | High-strength polyimide film |
-
2017
- 2017-08-23 CN CN201710731199.9A patent/CN107353508A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105400057A (en) * | 2015-12-03 | 2016-03-16 | 苏州沃尔兴电子科技有限公司 | Halogen-free flame-retardant temperature-resistant polyolefin pyrocondensation material and preparation method thereof |
| CN106243498A (en) * | 2016-08-15 | 2016-12-21 | 桐城市人和包装有限公司 | A kind of antistatic polypropylene film packing material |
| CN106279987A (en) * | 2016-08-15 | 2017-01-04 | 桐城市人和包装有限公司 | A kind of antibacterial nano plastic packaging material |
| CN106280002A (en) * | 2016-08-31 | 2017-01-04 | 金田集团（桐城）塑业有限公司 | A kind of uvioresistant polypropylene film material |
| CN106336574A (en) * | 2016-08-31 | 2017-01-18 | 金田集团（桐城）塑业有限公司 | BOPP film |
| CN106633131A (en) * | 2016-11-30 | 2017-05-10 | 徐丹峰 | High-strength polyimide film |
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Application publication date: 20171117 |
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