CN107351497A - A kind of sense of touch type is without silane coupling agent BOPP precoating basement membranes and preparation method thereof - Google Patents
A kind of sense of touch type is without silane coupling agent BOPP precoating basement membranes and preparation method thereof Download PDFInfo
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- CN107351497A CN107351497A CN201710583618.9A CN201710583618A CN107351497A CN 107351497 A CN107351497 A CN 107351497A CN 201710583618 A CN201710583618 A CN 201710583618A CN 107351497 A CN107351497 A CN 107351497A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- 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
- B65D65/40—Applications of laminates for particular packaging purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/584—Scratch resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
Abstract
The invention discloses a kind of sense of touch type without silane coupling agent BOPP precoating basement membranes and preparation method thereof, the film is made up of upper epidermis, tack coat, intermediate core layer and layer successively from top to bottom, the upper epidermis is tactile layer, it is maleic anhydride inoculated polypropylene to bond composition of layer, intermediate core layer is polypropylene layer, and layer is EVA composite beds.The present invention is sense of touch resinoid, extraordinary scratch resistance additive is directly participated in polyacrylic co-extruding biaxial stretched film forming, eliminate follow-up coating waste water, reduce the equipment investment of coating machine, while it also avoid the volatilization of the solvent in coating process, have and reduce the advantages of energy consumption reduces pollution.Sense of touch type prepared by the present invention precoats basement membrane without silane coupling agent BOPP, and mist degree is uniform, and light transmittance, tensile strength, fracture elongation are satisfied by national standard demand.Sense of touch face has the hand-feel properties of velvet, and surface scratch resistance performance is excellent when production or use.
Description
Technical field
The present invention relates to thin film technique field, and in particular to a kind of sense of touch type precoats basement membrane and its preparation without silane coupling agent BOPP
Method.
Technical background
Sense of touch film is the Matte film that there is special touch performance on a kind of surface, typically mainly passes through the method application of paper-plastic stick
In the packaging of high-grade luxury goods.The tactile qualities of sense of touch film include similar to the velvet handling property of silk and production or used
Scratch resistant performance in journey.
Common plastic film surface is harder, gives people very stiff tactile.And there is one layer of special material on sense of touch film surface
Material, thus there is its special surface property.Sense of touch film is mainly realized by coating method at present, belongs to the follow-up of BOPP products
Processing, equipment investment is higher, and the problems such as solvent contamination and energy resource consumption in coating process be present.
Sense of touch type BOPP precoating basement membranes refer to extrusion coated one layer of heat molten type glue on sense of touch type BOPP plastic sheetings in advance
(EVA) it is compound rear for packing with paper printing products by heating again after, drying rewinding.Because EVA and the compound fastness of BOPP film
Not enough, it usually needs be coated with one layer of silane coupling agent before compound EVA resin and realize the increased requirement of compound fastness as tack coat.Apply
On the one hand cloth silane coupling agent increases material cost, the solvent volatilization in another aspect silane coupling agent can pollute production environment, harm person
The health of work.
The content of the invention
For above-mentioned the deficiencies in the prior art, directly prepared it is an object of the invention to realize by the technique of biaxial tension
A kind of sense of touch type is without silane coupling agent BOPP precoating basement membranes and preparation method thereof.
The technical scheme is that：
A kind of sense of touch type precoats basement membrane without silane coupling agent BOPP, and the film is from top to bottom successively by upper epidermis, tack coat, centre
Sandwich layer and layer composition, the upper epidermis is tactile layer, and it is maleic anhydride inoculated polypropylene to bond composition of layer, and intermediate core layer is
Polypropylene layer, layer are EVA composite beds.
Further scheme, the tactile layer are made up of by weight percentage following components：
TPUE rubber (TPU)：25~35%
Extraordinary scratch resistance additive：3~8%
HOPP：Surplus.
Further scheme, the TPUE rubber are polyester-type TPU or polyether-type TPU, and its Shao D is hard
Spend for 30~50.
Further scheme, the extraordinary scratch resistance additive are by COPP, fast transferring slipping agent and anti-zoned
Hinder agent compounding to form, wherein the mass ratio of fast transferring slipping agent is 10~20%, the mass ratio of scratching resistant for 10~
20%, COPP is surplus.Slipping agent forms sliding layer on surface, film is had excellent smoothness；Scratching resistant
Adhesion strength is provided, ensure that the beautiful outward appearance of material surface.
Preferably, the fast transferring slipping agent is the compounding mixture of erucyl amide and fatty acid amide, wherein erucic acid
The mass ratio of acid amides is 20~40%；
The scratching resistant is the compounding mixture of silica and low-molecular-weight siloxane, wherein silica quality ratio
For 35~55wt%.
Further scheme, the polypropylene layer are by 98.2~99.2wt% isotactics HOPP and 0.8~1.8wt%
Antistatic master batch is formed.
Further scheme, the antistatic master batch is by 70~80wt% isotactics HOPP, 10~25wt% monoglycerides
Formed with 3~5wt% stabilizers.
Further scheme, the EVA composite beds are anti-stick by 96~97wt% LLDPEs and 3~4wt%
Glutinous masterbatch is formed.
Further scheme, the density of the LLDPE is 0.91~0.92g/cm3, melt index 2
~2.4g/10min；The anti-stick glutinous masterbatch is made up of silica and isotactic polypropylene, and the quality of wherein silica accounts for
25~45wt% of anti-stick glutinous masterbatch gross mass, the particle diameter of the silica is 1~2 μm.
Another goal of the invention of the present invention is to provide a kind of preparation method of sense of touch type without silane coupling agent BOPP precoating basement membranes,
Its step is as follows：
A, intermediate core layer raw material isotactic HOPP and antistatic master batch are added in main extruder, heated modeling
Change；The raw material of tack coat is added in a subsidiary extruder and heats melting；The raw material linea low density of EVA composite beds is gathered
Ethene and anti-stick glutinous masterbatch add and melting are heated in second subsidiary extruder；Again by the raw material HOPP of tactile layer, heat
Plastic polyurethane elastomer rubber and extraordinary scratch resistance additive are added by proportioning heats melting in the 3rd subsidiary extruder；
B, above-mentioned molten mass is converged in four-layer structure die head and is extruded into diaphragm, utilize compression respectively after filtering
Chilling on the membrane attaching to sharp cooling roll is formed slab by air, then with water-bath cooling, then with rubber coated pressure bowl and compressed air
Slab after cooling is removed water；
C, slab is after 112 DEG C~122 DEG C preheatings, 3.8~4.2 times of the longitudinal stretching at 112 DEG C~128 DEG C；
D, after being preheated with 160 DEG C~175 DEG C to the film after longitudinal stretching, cross directional stretch 8.0 is carried out at 155 DEG C
Times, then at 160 DEG C of progress thermal finalizations；
E, the film after stretching flattens by the air-cooled trailer system that enters, and resists adhering layer and carry out sided corona treatment and winding
Obtain finished product.
The present invention is sense of touch resinoid, extraordinary scratch resistance additive is directly participated in polyacrylic co-extruding biaxial stretched film forming
In, follow-up coating waste water is eliminated, reduces the equipment investment of coating machine, while it also avoid the solvent in coating process and wave
Hair, have and reduce the advantages of energy consumption reduces pollution.
Layer participates in the technique of film forming, film surface using LLDPE and anti-stick glutinous masterbatch mixing in the present invention
Can be directly extrusion coated compound by EVA, the use of silane coupling agent is avoided, reduces material cost and primary coat process, avoids
Pollution caused by solvent volatilizees.
Preparation method of the sense of touch type of the present invention without silane coupling agent BOPP precoating basement membranes is squeezed with common BOPP film using four
Go out machine and plasticizing extrusion is carried out to the raw material of equivalent layer, melt forms compound slab after T-shaped mould head converges, entered step by step after cooling
Cooling and shaping film forming after row longitudinal stretching, cross directional stretch.
Sense of touch type prepared by the present invention precoats basement membrane without silane coupling agent BOPP, and mist degree is uniform, light transmittance, tensile strength, fracture
Elongation percentage is satisfied by national standard demand.Sense of touch face has the hand-feel properties of velvet, and surface scratch resistance performance is excellent when production or use
It is good.Composite bed and EVA direct combination fastness reach Standard, are adapted to the paper plastic combined package and luxury food of expensive goods
Plastics package.
Embodiment
Embodiments described below, any type of limitation is not done to the present invention.Every technology according to the present invention
Any simple modification, equivalent change and modification substantially made with method to above example, still fall within the technology of the present invention
In the range of method scheme.
The dosage of all components is parts by weight in following implementation.
Embodiment 1
A kind of sense of touch type precoats basement membrane without primary coat BOPP, and film is by upper epidermis, tack coat, intermediate core layer and EVA composite beds
Composition.
Upper epidermis is tactile layer, is added by thermoplastic polyester type polyurethane elastomer rubber (TPU) 25%, extraordinary scratch resistance
Agent 3% and HOPP 72% form.Wherein extraordinary scratch resistance additive is by COPP, fast transferring slipping agent
10~20% and the compounding of scratching resistant 10~20% form, the fast transferring slipping agent is erucyl amide and fatty acid amide
Mixture is compounded, the wherein mass ratio of erucyl amide is 20~40%；The scratching resistant is silica and low-molecular-weight silicon
The compounding mixture of oxygen alkane, wherein silica quality ratio are 40wt%, low-molecular-weight siloxane mass ratio is 60wt%.
The tack coat is made up of 100% maleic anhydride inoculated polypropylene.
The intermediate core layer is made up of 99.2% isotactic polypropylene resin and 0.8% antistatic master batch.
The EVA composite beds are made up of the anti-stick glutinous masterbatch of 96% LLDPE and 4%, wherein in anti-stick masterbatch
The particle diameter of silica is 1 μm, and weight ratio is 35%, and surplus is isotactic polypropylene.
Its preparation method is as follows：
A, core layer raw material 99.2wt% isotactic polypropylene and 0.8wt% antistatic master batch are added in main extruder, passed through
Heating plasticizing；The anti-stick glutinous masterbatch of the raw material 99.2wt% isotactic polypropylene homopolymers and 0.8wt% of intermediate core layer is added to one
Melting is heated in platform subsidiary extruder；100wt% maleic anhydride inoculated polypropylenes are added in second subsidiary extruder and heated
Melting；Again by the raw material HOPP of tactile layer, TPUE rubber and extraordinary scratch resistance additive by matching somebody with somebody
Melting is heated in the 3rd subsidiary extruder than adding；Its heating plasticizing temperature is disposed as 245 DEG C.
B, above-mentioned molten mass is converged in four-layer structure die head and is extruded into diaphragm, utilize compression respectively after filtering
Chilling on the membrane attaching to sharp cooling roll is formed slab by air, then with water-bath cooling, then with rubber coated pressure bowl and compressed air
Slab after cooling is removed water；
C, slab is after 112 DEG C~122 DEG C preheatings, 3.8~4.2 times of the longitudinal stretching at 112 DEG C~128 DEG C；
D, after being preheated with 160 DEG C~175 DEG C to the film after longitudinal stretching, cross directional stretch 8.0 is carried out at 155 DEG C
Times, then at 160 DEG C of progress thermal finalizations；
E, the film after stretching flattens by the air-cooled trailer system that enters, and resists adhering layer and carry out sided corona treatment and winding
Obtain finished product.
Embodiment 2
A kind of sense of touch type precoats basement membrane without primary coat BOPP, and film is by upper epidermis, tack coat, intermediate core layer and EVA composite beds
Composition.
Upper epidermis is tactile layer, is added by thermoplastic polyester type polyurethane elastomer rubber (TPU) 35%, extraordinary scratch resistance
Agent 6% and homopolymerization HOPP 59% form.Wherein extraordinary scratch resistance additive is felt well by COPP, fast transferring
Lubrication prescription 10~20% and the compounding of scratching resistant 10~20% form, and the fast transferring slipping agent is erucyl amide and fatty acyl
The compounding mixture of amine, the wherein mass ratio of erucyl amide are 20~40%；The scratching resistant is silica and low molecule
The compounding mixture of amount siloxanes, wherein silica quality ratio are 35wt%, low-molecular-weight siloxane mass ratio is 55wt%.
The tack coat is made up of 100% maleic anhydride inoculated polypropylene.
The intermediate core layer is made up of 99.0% isotactic polypropylene resin and 1.0% antistatic master batch.
The EVA composite beds are made up of the anti-stick glutinous masterbatch of 97% LLDPE and 3%, wherein in anti-stick masterbatch
The particle diameter of silica is 2 μm, and weight ratio is 25%, and surplus is isotactic polypropylene.
Its preparation method is the same as embodiment 1.
Embodiment 3
A kind of sense of touch type precoats basement membrane without primary coat BOPP, and film is by upper epidermis, tack coat, intermediate core layer and composite bed group
Into.
Upper epidermis is tactile layer, is added by thermoplastic polyether urethane elastomer rubber (TPU) 30%, extraordinary scratch resistance
Agent 8% and HOPP 62% form.Wherein extraordinary scratch resistance additive is by COPP, fast transferring slipping agent
10~20% and the compounding of scratching resistant 10~20% form, the fast transferring slipping agent is erucyl amide and fatty acid amide
Mixture is compounded, the wherein mass ratio of erucyl amide is 20~40%；The scratching resistant is silica and low-molecular-weight silicon
The compounding mixture of oxygen alkane, wherein silica quality ratio are 45wt%, low-molecular-weight siloxane mass ratio is 60wt%.
The tack coat is made up of 100% maleic anhydride inoculated polypropylene.
The intermediate core layer is made up of 98.2% isotactic polypropylene resin and 1.8% antistatic master batch.
The composite bed is that LLDPE and 3% anti-stick glutinous masterbatch are formed by 97%, wherein in anti-stick masterbatch
The particle diameter of silica is 1.5 μm, and weight ratio is 45%, and surplus is isotactic polypropylene.
Its preparation method is the same as embodiment 1.
The invention is not restricted to above-described embodiment, those skilled in the art do not depart from model of the present invention according to the announcement of the present invention
The improvement and modification that farmland is made all should be within protection scope of the present invention.
Claims (10)
1. a kind of sense of touch type precoats basement membrane without silane coupling agent BOPP, the film is from top to bottom successively by upper epidermis, tack coat, intermediate core
Layer and layer composition, it is characterised in that：The upper epidermis is tactile layer, and it is maleic anhydride inoculated polypropylene to bond composition of layer,
Intermediate core layer is polypropylene layer, and layer is EVA composite beds.
2. a kind of sense of touch type according to claim 1 precoats basement membrane without silane coupling agent BOPP, it is characterised in that：The tactile layer
It is made up of by weight percentage following components：
TPUE rubber（TPU）：25~35%
Extraordinary scratch resistance additive：3~8%
HOPP：Surplus.
3. a kind of sense of touch type according to claim 2 precoats basement membrane without silane coupling agent BOPP, it is characterised in that：The thermoplasticity
Elastic polyurethane body rubber is polyester-type TPU or polyether-type TPU, and its Shao D hardness is 30 ~ 50.
4. a kind of sense of touch type according to claim 2 precoats basement membrane without silane coupling agent BOPP, it is characterised in that：It is described extraordinary anti-
Scratching additive is formed by COPP, fast transferring slipping agent and scratching resistant compounding, and wherein fast transferring is felt well
The mass ratio of lubrication prescription is 10 ~ 20%, and the mass ratio of scratching resistant is 10 ~ 20%, and COPP is surplus.
5. a kind of sense of touch type according to claim 4 precoats basement membrane without silane coupling agent BOPP, it is characterised in that：It is described quickly to move
Shifting property slipping agent is the compounding mixture of erucyl amide and fatty acid amide, and the wherein mass ratio of erucyl amide is 20 ~ 40%；
The scratching resistant is the compounding mixture of silica and low-molecular-weight siloxane, and wherein silica quality ratio is 35
~55wt%。
6. a kind of sense of touch type according to claim 1 precoats basement membrane without silane coupling agent BOPP, it is characterised in that：The polypropylene
Layer is made up of 98.2 ~ 99.2wt% isotactics HOPP and 0.8 ~ 1.8wt% antistatic master batch.
7. a kind of sense of touch type according to claim 6 precoats basement membrane without silane coupling agent BOPP, it is characterised in that：It is described antistatic
Masterbatch is made up of 70 ~ 80wt% isotactics HOPP, 10 ~ 25wt% monoglycerides and 3 ~ 5wt% stabilizers.
8. a kind of sense of touch type according to claim 1 precoats basement membrane without silane coupling agent BOPP, it is characterised in that：The EVA is answered
Closing layer is made up of the anti-stick glutinous masterbatch of 96 ~ 97wt% LLDPEs and 3 ~ 4wt%.
9. a kind of sense of touch type according to claim 8 precoats basement membrane without silane coupling agent BOPP, it is characterised in that：It is described linear low
The density of density polyethylene is 0.91 ~ 0.92g/cm3, melt index be 2 ~ 2.4g/10min；The anti-stick glutinous masterbatch is by two
Silica and isotactic polypropylene composition, the quality of wherein silica account for 25 ~ 45wt% of anti-stick glutinous masterbatch gross mass, and described two
The particle diameter of silica is 1 ~ 2 μm.
10. the preparation method precoated basement membrane without silane coupling agent BOPP according to a kind of sense of touch type as described in claim 1, its feature exist
In：Step is as follows：
A, intermediate core layer raw material isotactic HOPP and antistatic master batch are added in main extruder, heated plasticizing；Will
The raw material of tack coat, which is added in a subsidiary extruder, heats melting；By the raw material LLDPE of EVA composite beds
Added with anti-stick glutinous masterbatch and melting is heated in second subsidiary extruder；Again by the raw material HOPP of tactile layer, thermoplasticity
Elastic polyurethane body rubber and extraordinary scratch resistance additive are added by proportioning heats melting in the 3rd subsidiary extruder；
B, above-mentioned molten mass is converged in four-layer structure die head and is extruded into diaphragm, utilize compressed air respectively after filtering
Chilling on the membrane attaching to sharp cooling roll is formed into slab, then with water-bath cooling, then with rubber coated pressure bowl and compressed air to cold
But the slab after is removed water；
C, slab is after 112 DEG C~122 DEG C preheatings, 3.8~4.2 times of the longitudinal stretching at 112 DEG C~128 DEG C；
D, after being preheated with 160 DEG C~175 DEG C to the film after longitudinal stretching, 8.0 times of cross directional stretch is carried out at 155 DEG C,
Then at 160 DEG C of progress thermal finalizations；
E, stretch after film by it is air-cooled enter trailer system flatten, and resist adhering layer carry out sided corona treatment and wind into
Product.
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| CN201710583618.9A CN107351497A (en) | 2017-07-17 | 2017-07-17 | A kind of sense of touch type is without silane coupling agent BOPP precoating basement membranes and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932942A (en) * | 2017-12-15 | 2018-04-20 | 广东威孚包装材料有限公司 | A kind of BOPP film for being used for accurate printing and preparation method thereof |
| CN109016580A (en) * | 2018-08-20 | 2018-12-18 | 扬州市众和同盛包装材料有限公司 | A kind of preparation process of BOPP sense of touch mercerising film |
| CN109334294A (en) * | 2018-08-06 | 2019-02-15 | 安徽国风塑业股份有限公司 | A kind of heat-sealing type BOPP printing enhancing basement membrane and preparation method thereof |
| CN111849010A (en) * | 2020-07-24 | 2020-10-30 | 安徽国风塑业股份有限公司 | Scratch-resistant BOPP film for electronic packaging and preparation method thereof |
| CN112265345A (en) * | 2020-09-21 | 2021-01-26 | 安徽国风塑业股份有限公司 | Scratch-resistant BOPP film for electronic packaging and preparation method thereof |
| CN113492566A (en) * | 2021-06-11 | 2021-10-12 | 安徽国风塑业股份有限公司 | Biaxially oriented polypropylene film and preparation method thereof |
| CN113733700A (en) * | 2021-09-06 | 2021-12-03 | 山东顺凯复合材料有限公司 | Anaerobic biodegradable BOPP (biaxially-oriented Polypropylene) precoating film without primer and preparation method thereof |
| US11453025B2 (en) * | 2018-01-26 | 2022-09-27 | Brückner Maschinenbau GmbH & Co. KG | In-line, coated, biaxially oriented polypropylene film and method for the production thereof |
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| CN107932942A (en) * | 2017-12-15 | 2018-04-20 | 广东威孚包装材料有限公司 | A kind of BOPP film for being used for accurate printing and preparation method thereof |
| CN107932942B (en) * | 2017-12-15 | 2020-06-02 | 广东威孚包装材料有限公司 | BOPP film for precision printing and preparation method thereof |
| US11453025B2 (en) * | 2018-01-26 | 2022-09-27 | Brückner Maschinenbau GmbH & Co. KG | In-line, coated, biaxially oriented polypropylene film and method for the production thereof |
| CN109334294A (en) * | 2018-08-06 | 2019-02-15 | 安徽国风塑业股份有限公司 | A kind of heat-sealing type BOPP printing enhancing basement membrane and preparation method thereof |
| CN109016580A (en) * | 2018-08-20 | 2018-12-18 | 扬州市众和同盛包装材料有限公司 | A kind of preparation process of BOPP sense of touch mercerising film |
| CN111849010A (en) * | 2020-07-24 | 2020-10-30 | 安徽国风塑业股份有限公司 | Scratch-resistant BOPP film for electronic packaging and preparation method thereof |
| CN112265345A (en) * | 2020-09-21 | 2021-01-26 | 安徽国风塑业股份有限公司 | Scratch-resistant BOPP film for electronic packaging and preparation method thereof |
| CN113492566A (en) * | 2021-06-11 | 2021-10-12 | 安徽国风塑业股份有限公司 | Biaxially oriented polypropylene film and preparation method thereof |
| CN113733700A (en) * | 2021-09-06 | 2021-12-03 | 山东顺凯复合材料有限公司 | Anaerobic biodegradable BOPP (biaxially-oriented Polypropylene) precoating film without primer and preparation method thereof |
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Application publication date: 20171117 |