CN107160796A - Micro- contraction cigarette BOPP film of the crease-resistant anti-high light of cigarette bag deformation and preparation method thereof - Google Patents
Micro- contraction cigarette BOPP film of the crease-resistant anti-high light of cigarette bag deformation and preparation method thereof Download PDFInfo
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- CN107160796A CN107160796A CN201710198766.9A CN201710198766A CN107160796A CN 107160796 A CN107160796 A CN 107160796A CN 201710198766 A CN201710198766 A CN 201710198766A CN 107160796 A CN107160796 A CN 107160796A
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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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
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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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- 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
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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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
- B65D85/08—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular
- B65D85/10—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular for cigarettes
- B65D85/1018—Container formed by a flexible material, i.e. soft-packages
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- 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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- 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
- C08L23/14—Copolymers of propene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/14—Copolymers of propene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2400/00—Characterised by the use of unspecified polymers
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- C08J2457/00—Characterised by the use of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
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- C08K2201/017—Additives being an antistatic agent
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The present invention relates to micro- contraction cigarette BOPP film of the crease-resistant anti-high light of cigarette bag deformation and preparation method thereof, it is characterised in that：It is made up of upper epidermis, sandwich layer and layer through direct coextru-lamination, the main component of upper epidermis is polypropylene copolymer, and the main component of sandwich layer is polypropylene homopolymer, and the main component of layer is polypropylene copolymer；The material composition and parts by weight of upper epidermis be：The parts by weight of co-polymer polypropylene 80 90, the smooth parts by weight of masterbatch 8 16, the anti-stick parts by weight of masterbatch 14；The material composition and parts by weight of sandwich layer be：The parts by weight of homopolymer polypropylene 80 90, the parts by weight of Stiffening agent masterbatch 5 16, the parts by weight of electrostatic masterbatch 25；The material composition and parts by weight of layer be：The parts by weight of co-polymer polypropylene 100；Upper epidermis is 0.8 1.2um, and sandwich layer is 18 22um, and layer is 0.8 1.2um.With the features such as very property is good, crease-resistant outer packing not loose, that make soft packed cigarette is indeformable and cheap.
Description
Technical field
The present invention relates to micro- contraction cigarette BOPP film of the crease-resistant anti-high light of cigarette bag deformation of one kind and preparation method thereof, fit
For soft box packet cigarette packaging.Belong to cigarette BOPP film technical field.
Background technology
At present, cigarette both domestic and external has two kinds of packaged forms of Soft Roll and hard box, although current China's soft packed cigarette is without hard
The ratio of box is big, but with the deep influence of high-grade Soft Roll " China " brand, the major tobacco enterprises of China fall over each other to imitate, and open in succession
Respective high-grade soft packed cigarette brand is sent, and has obtained the welcome of consumers in general, medium and high classes soft packed cigarette is obtained in recent years
Significantly increase.
To prevent cigarette from making moist, extend the shelf-life of product, the wrapping film of Soft Roll is usually using BOPP normal films or micro-
Shrink film；And hard box then uses BOPP high shrinking films.With the development of China's cigarette industry and being stepped up for market competition, cigarette
The appearance packaging quality of bag is increasingly taken seriously, it is desirable to also more and more higher, and this just proposes higher to the wrapping film of cigarette bag
It is required that.BOPP normal films are due to poor optical properties, and the low easy corrugation of after-contraction is currently used primarily in the bag of low-grade soft packed cigarette
Dress, and the micro- shrink films of BOPP are because the transparency is good and with certain shrinkage, is now widely used in the bag of medium and high classes soft packed cigarette
Dress.
In the prior art, the cigarette case label paper of soft packed cigarette mainly uses one side art paper, although excellent with printing performance
It is good, the characteristics of glossiness is high, but exist very property it is poor, it is expensive the problem of；Cigarette case pole holds when particularly label paper grammes per square metre is relatively low
Easily it is outsourced the micro- shrink film wrapped up in and draws deformation.Using because of film, there is easy loose corrugation during BOPP normal films, make the current country
There is wrapping film corrugation or cigarette bag metaboly in outer soft packed cigarette, influence the desire to purchase of consumer.
With the enhancing and the support of national relevant policies of social crew's environmental consciousness, China's tobacco enterprise is actively carried out low
Carbon, the green production mode of energy-saving and environmental protection, deeply tap the latent power in consumption of the cigarette with auxiliary material, valency are constantly reduced by reducing grammes per square metre
The consumption of the materials such as the expensive copper coin label paper of lattice, this quality to the micro- shrink film of Soft Roll proposes requirements at the higher level.
The content of the invention
An object of the present invention, is there is easy loose corrugation to solve prior art cigarette BOPP general thins
The problem of there is provided the micro- contraction cigarette BOPP film of the crease-resistant high light of anti-cigarette bag deformation of one kind.It is good, crease-resistant not loose with very property
Speed, make soft packed cigarette outer packing it is indeformable and cheap the features such as.
The second object of the present invention, is to provide for a kind of micro- contraction cigarette BOPP of crease-resistant anti-high light of cigarette bag deformation thin
The preparation method of film.
An object of the present invention can be reached by adopting the following technical scheme that：
The cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation, it is characterised in that：By upper epidermis, sandwich layer and
Layer is constituted through direct coextru-lamination, and the main component of upper epidermis is polypropylene copolymer, and the main component of sandwich layer is poly- third
Polyamino alkenyl thing, the main component of layer is polypropylene copolymer；The material composition and parts by weight of upper epidermis be：Copolymer poly- third
Alkene 80-90 parts by weight, smooth masterbatch 8-16 parts by weight, anti-stick masterbatch 1-4 parts by weight；The material composition and parts by weight of sandwich layer
For：Homopolymer polypropylene 80-90 parts by weight, Stiffening agent masterbatch 5-16 parts by weight, electrostatic masterbatch 2-5 parts by weight；Layer
Material composition and parts by weight are：The parts by weight of co-polymer polypropylene 100；Upper epidermis is 0.8-1.2um, and sandwich layer is 18-22um, following table
Layer is 0.8-1.2um.
An object of the present invention can also be reached by adopting the following technical scheme that：
Further, the material composition of each layer is respectively, upper epidermis：The parts by weight of co-polymer polypropylene 85, smooth masterbatch
12 parts by weight, the anti-stick parts by weight of masterbatch 3；The active ingredient of smooth masterbatch is high viscosity silicone, and concentration is 10%；Antiplastering aid
The active ingredient of masterbatch is synthetic resin, and concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 89, the weight of Stiffening agent masterbatch 8
Part, the parts by weight of antistatic additive masterbatch 3；The active ingredient of Stiffening agent masterbatch is the hydrogenated resin with C5 or C9, and antistatic additive is female
The active ingredient of material is cationic antistatic agent ethylamine, non-ionic antistatic agent glycerin monostearate and erucic acid acyl
Amine, concentration is 10-30%；Layer：The parts by weight of co-polymer polypropylene 100.
Further, the material composition of each layer is respectively, upper epidermis：The parts by weight of co-polymer polypropylene 87, smooth masterbatch
10 parts by weight, the anti-stick parts by weight of masterbatch 4；The active ingredient of smooth masterbatch is silicone resin, and concentration is 10%；Antiplastering aid is female
The active ingredient of material is silicon dioxide granule, and concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 80, the weight of Stiffening agent masterbatch 16
Amount part, the parts by weight of antistatic additive masterbatch 4, the active ingredient of Stiffening agent masterbatch is the hydrogenated resin with C5 or C9, antistatic additive
The active ingredient of masterbatch is cationic antistatic agent ethylamine, non-ionic antistatic agent glycerin monostearate and erucic acid
Acid amides, concentration is 10-30%；Layer：The parts by weight of co-polymer polypropylene 100.
Further, the material composition of each layer is respectively, upper epidermis：The parts by weight of co-polymer polypropylene 80, smooth masterbatch
16 parts by weight, the anti-stick parts by weight of masterbatch 4；The active ingredient of smooth masterbatch is silicone resin, and concentration is 10%；Antiplastering aid is female
The active ingredient of material is silicon dioxide granule, and concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 85, the weight of Stiffening agent masterbatch 10
Amount part, the parts by weight of antistatic additive masterbatch 5, the active ingredient of Stiffening agent masterbatch is the hydrogenated resin with C5 or C9, antistatic additive
The active ingredient of masterbatch is cationic antistatic agent ethylamine, non-ionic antistatic agent glycerin monostearate and erucic acid
Acid amides, concentration is 10-30%；Layer：The parts by weight of co-polymer polypropylene 100.
Further, the material composition of each layer is respectively, upper epidermis：The parts by weight of co-polymer polypropylene 90, smooth masterbatch 8
Parts by weight, the anti-stick parts by weight of masterbatch 2；The active ingredient of smooth masterbatch is silicone resin, and concentration is 10%；Anti-stick masterbatch
Active ingredient be silicon dioxide granule, concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 90, the weight of Stiffening agent masterbatch 7
Part, the parts by weight of antistatic additive masterbatch 3, the active ingredient of Stiffening agent masterbatch is the hydrogenated resin with C5 or C9, and antistatic additive is female
The active ingredient of material is cationic antistatic agent ethylamine, non-ionic antistatic agent glycerin monostearate and erucic acid acyl
Amine, concentration is 10-30%；Layer：The parts by weight of co-polymer polypropylene 100.
Further, the BOPP film produced by above-mentioned raw materials formula and production technology, gross thickness is 22um, upper epidermis
For 1um, sandwich layer is 20um, and layer is 1um.
The second object of the present invention can be reached by adopting the following technical scheme that：
The preparation method of the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation, it is characterised in that including such as
Lower step：
1) raw material of sandwich layer are after well mixed, drying process, into the melting single screw extrusion machine and meter of series connection
Measure single screw extrusion machine and carry out fusion plastification, melting temperature is 210-240 DEG C；Then coarse filter, measuring pump, main filtering are passed through
Device, into die head, the temperature by coarse filter, measuring pump, main filter is set as 220-260 DEG C；
2) upper epidermis and the raw material of layer are after well mixed, drying process, into respective Single screw extrusion
Machine carries out fusion plastification, and melting temperature is 210-240 DEG C；Then filter and measuring pump are passed through, into die head, by filter
It is set as 220-260 DEG C with the temperature of measuring pump；
3) sandwich layer molten mass, upper epidermis molten mass and layer molten mass, flow out at respective die head, merge into three layers
Polymer melt, the three one polymer melt is attached to chilling roller surface, through over-quenching in the presence of air knife tab device
The quick cooling of roller and tank, forms solid slab, then in turn through longitudinally, laterally stretching；Longitudinal preheating temperature is 95-
125 DEG C, draft temperature is 70-100 DEG C, and setting temperature is 55-85 DEG C, and longitudinal stretching ratio is 5.0-7.5；Horizontal preheating temperature is
170-200 DEG C, draft temperature is 130-160 DEG C, and cross directional stretch ratio is 8-10, and setting temperature is 125-155 DEG C, and the time is 1-3
Second；BOPP film after stretching need to carry out air-cooled processing immediately, and cold wind temperature is 15-30 DEG C；Crease-resistant anti-cigarette bag deformation is made high
The cigarette BOPP film of the micro- contraction of light.
The second object of the present invention can also be reached by adopting the following technical scheme that：
Further, after cross directional stretch process, proceeding through thickness measurement online, rim charge cutting, static elimination, automatic receipts
Volume, Ageing Treatment production process；The cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation is made.
Further, the specifically used requirement according to client cuts into the finished product film roll of corresponding specification.
Further, the BOPP film produced by above-mentioned raw materials formula and production technology, gross thickness is 22um, upper epidermis
For 1um, sandwich layer is 20um, and layer is 1um.
The present invention has beneficial effect prominent as follows：
1st, the present invention is made up of upper epidermis, sandwich layer and layer through direct coextru-lamination, constitutes three-layer composite structure, upper table
The main component of layer is polypropylene copolymer, and the main component of sandwich layer is polypropylene homopolymer, and the main component of layer is poly-
Propylene copolymer；The material composition and parts by weight of upper epidermis be：Co-polymer polypropylene 80-90 parts by weight, smooth masterbatch 8-16
Parts by weight, anti-stick masterbatch 1-4 parts by weight；The material composition and parts by weight of sandwich layer be：Homopolymer polypropylene 80-90 parts by weight,
Stiffening agent masterbatch 5-16 parts by weight, electrostatic masterbatch 2-5 parts by weight；The material composition and parts by weight of layer be：Copolymer gathers
The parts by weight of propylene 100；Upper epidermis is 0.8-1.2um, and sandwich layer is 18-22um, and layer is 0.8-1.2um；Therefore, it is possible to solve
The problem of there is easy loose corrugation with BOPP general thins in prior art cigarette, with very property it is good, it is crease-resistant it is not loose, make Soft Roll
The features such as outer packing of cigarette is indeformable and cheap and beneficial effect.
2nd, the present invention not only keeps good thickness evenness, smoothness and heat-shrinkable, and can effectively control Soft Roll
Cigarette package wrinkles and the deformation of cigarette bag, and takes into account the characteristic of high light.Go for the hard box cigarette package unit of Soft Roll,
Effectively solve corrugation in general soft packed cigarette film packaging, the technical barrier of cigarette bag deformation.
Brief description of the drawings
The present invention is described in further details below in conjunction with drawings and examples.
Fig. 1 is the three-layer structure schematic diagram of the specific embodiment of the invention 1.
Embodiment
Specific embodiment 1：
Reference picture 1, the present embodiment is related to the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation, its feature
It is：It is made up of upper epidermis, sandwich layer and layer through direct coextru-lamination, the main component of upper epidermis is polypropylene copolymer,
The main component of sandwich layer is polypropylene homopolymer, and the main component of layer is polypropylene copolymer；The material composition of upper epidermis
And parts by weight are：Co-polymer polypropylene 80-90 parts by weight, smooth masterbatch 8-16 parts by weight, anti-stick masterbatch 1-4 parts by weight；
The material composition and parts by weight of sandwich layer be：Homopolymer polypropylene 80-90 parts by weight, Stiffening agent masterbatch 5-16 parts by weight, electrostatic agent
Masterbatch 2-5 parts by weight；The material composition and parts by weight of layer be：The parts by weight of co-polymer polypropylene 100；Upper epidermis is 0.8-
1.2um, sandwich layer is 18-22um, and layer is 0.8-1.2um.
In the present embodiment：
The material composition of each layer is respectively, upper epidermis：The parts by weight of co-polymer polypropylene 85, the smooth parts by weight of masterbatch 12,
The anti-stick parts by weight of masterbatch 3；The active ingredient of smooth masterbatch is high viscosity silicone, and concentration is 10%；Anti-stick masterbatch has
It is synthetic resin to imitate composition, and concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 89, the parts by weight of Stiffening agent masterbatch 8 are antistatic
The parts by weight of masterbatch 3；The active ingredient of Stiffening agent masterbatch is the hydrogenated resin with C5 or C9, antistatic additive masterbatch it is effective into
It is cationic antistatic agent ethylamine, non-ionic antistatic agent glycerin monostearate and erucyl amide to divide, and concentration is
10-30%；Layer：The parts by weight of co-polymer polypropylene 100.
The BOPP film produced by above-mentioned raw materials formula and production technology, gross thickness is 22um, and upper epidermis is 1um, core
Layer is 20um, and layer is 1um.
The preparation method of the cigarette BOPP film for the crease-resistant anti-high bright micro- contraction of cigarette bag deformation that the present embodiment is related to, its
It is characterised by comprising the following steps：
1) raw material needed for sandwich layer are well mixed, after drying process, are first sequentially sent to tandem melting single screw rod
Extruder and metering single screw extrusion machine carry out fusion plastification, and melting temperature is 210-240 DEG C；Then in turn through coarse filtration
Device, measuring pump, main filter, into sandwich layer die head, form sandwich layer molten mass；By coarse filter, measuring pump, main filter
Temperature is set as 220-260 DEG C；
2) raw material needed for upper epidermis are well mixed, after drying process, first send into single screw extrusion machine and melted
Melt plasticizing, melting temperature is 210-240 DEG C；Then pass through filter and measuring pump, into upper epidermis die head, form layer and melt
Melt body；Temperature by filter and measuring pump is set as 220-260 DEG C；
3) raw material needed for layer are stirred, after drying process, first sends into single screw extrusion machine and melted
Melt plasticizing, melt temperature is 210-240 DEG C；Then pass through filter and measuring pump, into layer die head, form layer and melt
Melt body；Temperature by filter and measuring pump is set as 220-260 DEG C；
3) sandwich layer molten mass, upper epidermis molten mass and layer molten mass, flow out at respective die head, merge into three layers
Polymer melt, the three one polymer melt is attached to chilling roller surface, through over-quenching in the presence of air knife tab device
The quick cooling of roller and tank, forms solid slab, then in turn through longitudinally, laterally stretching；Longitudinal preheating temperature is 95-
125 DEG C, draft temperature is 70-100 DEG C, and setting temperature is 55-85 DEG C, and longitudinal stretching ratio is 5.0-7.5；Horizontal preheating temperature is
170-200 DEG C, draft temperature is 130-160 DEG C, and cross directional stretch ratio is 8-10, and setting temperature is 125-155 DEG C, and the time is 1-3
Second；BOPP film after stretching need to carry out air-cooled processing immediately, and cold wind temperature is 15-30 DEG C；Crease-resistant anti-cigarette bag deformation is made high
The cigarette BOPP film of the micro- contraction of light.
Further, after cross directional stretch process, proceeding through thickness measurement online, rim charge cutting, static elimination, automatic receipts
Volume, Ageing Treatment production process；The cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation is made.
Further, the specifically used requirement according to client cuts into the finished product film roll of corresponding specification.
Further, the BOPP film produced by above-mentioned raw materials formula and production technology, gross thickness is 22um, upper epidermis
For 1um, sandwich layer is 20um, and layer is 1um.
Specific embodiment 2：
The characteristics of this specific embodiment 2 is：The material composition of each layer is respectively, upper epidermis：The weight of co-polymer polypropylene 87
Part, the smooth parts by weight of masterbatch 10, the anti-stick parts by weight of masterbatch 4；The active ingredient of smooth masterbatch is silicone resin, and concentration is
10%；The active ingredient of anti-stick masterbatch is silicon dioxide granule, and concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 80,
The parts by weight of Stiffening agent masterbatch 16, the parts by weight of antistatic additive masterbatch 4, the active ingredient of Stiffening agent masterbatch is the hydrogenation with C5 or C9
Resin, the active ingredient of antistatic additive masterbatch is cationic antistatic agent ethylamine, non-ionic antistatic agent monostearate
Glyceride and erucyl amide, concentration are 10-30%；Layer：The parts by weight of co-polymer polypropylene 100.Remaining is with specific implementation
Example 1.
Specific embodiment 3：
The characteristics of this specific embodiment 3 is：The material composition of each layer is respectively, upper epidermis：The weight of co-polymer polypropylene 80
Part, the smooth parts by weight of masterbatch 16, the anti-stick parts by weight of masterbatch 4；The active ingredient of smooth masterbatch is silicone resin, and concentration is
10%；The active ingredient of anti-stick masterbatch is silicon dioxide granule, and concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 85,
The parts by weight of Stiffening agent masterbatch 10, the parts by weight of antistatic additive masterbatch 5, the active ingredient of Stiffening agent masterbatch is the hydrogenation with C5 or C9
Resin, the active ingredient of antistatic additive masterbatch is cationic antistatic agent ethylamine, non-ionic antistatic agent monostearate
Glyceride and erucyl amide, concentration are 10-30%；Layer：The parts by weight of co-polymer polypropylene 100.Remaining is with specific implementation
Example 1.
Specific embodiment 4：
The characteristics of this specific embodiment 4 is：The material composition of each layer is respectively, upper epidermis：The weight of co-polymer polypropylene 90
Part, the smooth parts by weight of masterbatch 8, the anti-stick parts by weight of masterbatch 2；The active ingredient of smooth masterbatch is silicone resin, and concentration is
10%；The active ingredient of anti-stick masterbatch is silicon dioxide granule, and concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 90,
The parts by weight of Stiffening agent masterbatch 7, the parts by weight of antistatic additive masterbatch 3, the active ingredient of Stiffening agent masterbatch is the hydrogenation with C5 or C9
Resin, the active ingredient of antistatic additive masterbatch is cationic antistatic agent ethylamine, non-ionic antistatic agent monostearate
Glyceride and erucyl amide, concentration are 10-30%；Layer：The parts by weight of co-polymer polypropylene 100.Remaining is with specific implementation
Example 1.
In various embodiments of the present invention：
Co-polymer polypropylene can use the hot polypropylene copolymer of routine techniques；Smooth masterbatch can be using conventional
The smooth additive masterbatch of technology；Anti-stick masterbatch can use the antiplastering aid additive masterbatch of routine techniques, homopolymer poly- third
Alkene can use the homopolymer polypropylene of routine techniques, and Stiffening agent masterbatch can add masterbatch using the Stiffening agent of routine techniques,
Electrostatic masterbatch can use the electrostatic agent additive masterbatch of routine techniques.
Various embodiments of the present invention are raw material of the applicant using routine, and it is special to be constituted with the proportion by weight of special setting
Material prescription, by special technical process and work condition, the crease-resistant anti-high bright micro- contraction of cigarette bag deformation prepared
Cigarette BOPP film, solves the problem of prior art cigarette has easy loose corrugation with BOPP general thins, with very property
Well, the features such as crease-resistant outer packing that is not loose, making soft packed cigarette is indeformable and cheap and beneficial effect.
It is to obtain relatively low rub in the upper table Rotating fields addition slipping agent of film in each specific embodiment of the present invention
Coefficient is wiped, is easy to the upper epidermis of film in the metal guide rollers contact with cigarette packaging device, can more swimmingly run, add
Plus antiplastering aid be in order to avoid film during production or use it is tacky, in order to avoid have influence on the life of ultrahigh speed cigarette packaging device
Produce efficiency；It is in order to increase the deflection of film, to be conducive to film when packing cigarette in the core structure addition Stiffening agent of film
High-speed cruising more preferably, addition antistatic additive be in order to be effectively reduced electrostatic production, transport, on machine operation etc. during
Influence to cigarette pack；Co-polymer polypropylene is only used in the following table Rotating fields of film, is to more highlight upper epidermis
Smoothness.
In specific implementation, it is necessary to the regulation of following 4 aspects is carried out to related process：
1st, film performance is transboundary.The crease-resistant high bright lower shrinkage cigarette package film of anti-cigarette bag deformation is to survey shrinkage factor to be less than
The conventional micro- shrink films of BOPP, but it is higher than normal film, and wrapping film is smooth wrinkle resistant during ensureing that cigarette bag is offline.In order to subtract
The influence that few BOPP after-contraction is deformed to Soft Roll, is that the shrinkage factor and finished product shrinkage factor surveyed have done accurate control to film in processing
System.In order that vertically and horizontally having exclusively carried out orthogonal test in research and development up to optimum synergistic effect is caused and having been tried in downstream tobacco factory
Machine is verified, finally establishes most rational control interval.
2nd, the breakthrough of material selection.Heat resistant polypropylene copolymer, Petropols and the additive of use, from material essence
The upper heat resistance for improving film.It is left that the heat-sealing temperature for the co-polypropylene that new product is used has more 10% than standard material on the market
The right side, the fusing point of Petropols also accordingly improves 8% or so, with good heat resistance.
3rd, the innovation of horizontal drawing process.The horizontal special process drawn using superpower sizing and reduction cooling velocity, makes thin film crystallization
Degree increase, with reference to heat resistance formula, film is not allowed to be also easy to produce contraction at normal temperatures, it is ensured that cigarette bag is unlikely to deform.Processing technology
It is adjusted, the crystalline form of new product is more stablized, and after-contraction is smaller, and film is not allowed to be also easy to produce contraction at normal temperatures, it is ensured that cigarette
Bag is unlikely to deform.
4th, the selection of special surface structure and high-effect additive.Being added on the antistatic additive of sandwich layer will not deposit because of film
Time length is put and excessive infringement optical property, while film antistatic property is good.It is added on the use of the various additives on top layer
Amount has done decrement, in guarantee while machine width capacitive, and surveying and later stage optical property for film is improved to greatest extent, makes cigarette bag
Obtain the height light in beautiful mirror effect, that is, consumer mouthful.
Downstream client is energy-saving in cigarette pack is carried out, i.e., from the lower art paper of grammes per square metre, current market
On product can not be applicable, product newly developed has been obtained for the checking of downstream client.While product competitiveness is lifted
Also to the lifting of promotion China cigarette industry packaging quality, energy-saving and emission-reduction, reduction production cost is respectively provided with significance.
It is emphasized that the core technology scheme of the present invention also needs to accomplish following three points：
1st, the heat resistance of film is improved.To select to improve the heat resistance of film with process by material, after avoiding
(when particularly storage condition temperature is higher) is shunk to be deformed cigarette bag.
2nd, the suitable vertical and horizontal shrinkage factor of film is controlled, wrapping film is smooth during ensureing that cigarette bag is offline does not rise
Wrinkle, while film is photometry function admirable.
3rd, be added on sandwich layer antistatic additive will not because of film resting period length excessive infringement optical property, while film
Antistatic property is good.
The present invention is by sealing raw material, additive and the redesign of processing technology, and the product produced is in downstream
Client is indeformable using rear cigarette bag, and film is smooth also wrinkle resistant, and the presentation quality and product specification of cigarette bag is greatly improved, is disappeared
The accreditation of the person of expense.
Claims (10)
1. the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation, it is characterised in that：By upper epidermis, sandwich layer and under
Top layer is constituted through direct coextru-lamination, and the main component of upper epidermis is polypropylene copolymer, and the main component of sandwich layer is polypropylene
Homopolymer, the main component of layer is polypropylene copolymer；The material composition and parts by weight of upper epidermis be：Co-polymer polypropylene
80-90 parts by weight, smooth masterbatch 8-16 parts by weight, anti-stick masterbatch 1-4 parts by weight；The material composition and parts by weight of sandwich layer
For：Homopolymer polypropylene 80-90 parts by weight, Stiffening agent masterbatch 5-16 parts by weight, electrostatic masterbatch 2-5 parts by weight；Layer
Material composition and parts by weight are：The parts by weight of co-polymer polypropylene 100；Upper epidermis is 0.8-1.2um, and sandwich layer is 18-22um, following table
Layer is 0.8-1.2um.
2. the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation according to claim 1, its feature exists
In：The material composition of each layer is respectively, upper epidermis：The parts by weight of co-polymer polypropylene 85, the smooth parts by weight of masterbatch 12, antiplastering aid
The parts by weight of masterbatch 3；The active ingredient of smooth masterbatch is high viscosity silicone, and concentration is 10%；The active ingredient of anti-stick masterbatch
It is synthetic resin, concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 89, the parts by weight of Stiffening agent masterbatch 8, antistatic additive masterbatch
3 parts by weight；The active ingredient of Stiffening agent masterbatch is the hydrogenated resin with C5 or C9, and the active ingredient of antistatic additive masterbatch is sun
Ionic anti-static agent ethylamine, non-ionic antistatic agent glycerin monostearate and erucyl amide, concentration is 10-
30%；Layer：The parts by weight of co-polymer polypropylene 100.
3. the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation according to claim 1, its feature exists
In：The material composition of each layer is respectively, upper epidermis：The parts by weight of co-polymer polypropylene 87, the smooth parts by weight of masterbatch 10, antiplastering aid
The parts by weight of masterbatch 4；The active ingredient of smooth masterbatch is silicone resin, and concentration is 10%；The active ingredient of anti-stick masterbatch is
Silicon dioxide granule, concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 80, the parts by weight of Stiffening agent masterbatch 16, antistatic additive
The parts by weight of masterbatch 4, the active ingredient of Stiffening agent masterbatch is the hydrogenated resin with C5 or C9, the active ingredient of antistatic additive masterbatch
It is cationic antistatic agent ethylamine, non-ionic antistatic agent glycerin monostearate and erucyl amide, concentration is 10-
30%；Layer：The parts by weight of co-polymer polypropylene 100.
4. the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation according to claim 1, its feature exists
In：The material composition of each layer is respectively, upper epidermis：The parts by weight of co-polymer polypropylene 80, the smooth parts by weight of masterbatch 16, antiplastering aid
The parts by weight of masterbatch 4；The active ingredient of smooth masterbatch is silicone resin, and concentration is 10%；The active ingredient of anti-stick masterbatch is
Silicon dioxide granule, concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 85, the parts by weight of Stiffening agent masterbatch 10, antistatic additive
The parts by weight of masterbatch 5, the active ingredient of Stiffening agent masterbatch is the hydrogenated resin with C5 or C9, the active ingredient of antistatic additive masterbatch
It is cationic antistatic agent ethylamine, non-ionic antistatic agent glycerin monostearate and erucyl amide, concentration is 10-
30%；Layer：The parts by weight of co-polymer polypropylene 100.
5. the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation according to claim 1, its feature exists
In：The material composition of each layer is respectively, upper epidermis：The parts by weight of co-polymer polypropylene 90, the smooth parts by weight of masterbatch 8, antiplastering aid
The parts by weight of masterbatch 2；The active ingredient of smooth masterbatch is silicone resin, and concentration is 10%；The active ingredient of anti-stick masterbatch is
Silicon dioxide granule, concentration is 5%；Sandwich layer：The parts by weight of homopolymer polypropylene 90, the parts by weight of Stiffening agent masterbatch 7, antistatic additive is female
Expect 3 parts by weight, the active ingredient of Stiffening agent masterbatch is the hydrogenated resin with C5 or C9, and the active ingredient of antistatic additive masterbatch is
Cationic antistatic agent ethylamine, non-ionic antistatic agent glycerin monostearate and erucyl amide, concentration is 10-
30%；Layer：The parts by weight of co-polymer polypropylene 100.
6. the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation according to claim 1, its feature exists
In：The BOPP film produced by above-mentioned raw materials formula and production technology, gross thickness is 22um, and upper epidermis is 1um, and sandwich layer is
20um, layer is 1um.
7. the preparation method of the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation as claimed in claim 1,
It is characterized in that comprising the following steps：
1) raw material of sandwich layer are single into the melting single screw extrusion machine of series connection and metering after well mixed, drying process
Screw extruder carries out fusion plastification, and melting temperature is 210-240 DEG C；Then coarse filter, measuring pump, main filter are passed through,
Into die head, the temperature by coarse filter, measuring pump, main filter is set as 220-260 DEG C；
2) upper epidermis and the raw material of layer enter after well mixed, drying process into respective single screw extrusion machine
Row fusion plastification, melting temperature is 210-240 DEG C；Then filter and measuring pump are passed through, into die head, by filter and meter
The temperature of amount pump is set as 220-260 DEG C；
3) sandwich layer molten mass, upper epidermis molten mass and layer molten mass, flow out at respective die head, merge into three layers of polymer
Thing melt, the three one polymer melt is attached to chilling roller surface in the presence of air knife tab device, through over-quenching roller and
The quick cooling of tank, forms solid slab, then in turn through longitudinally, laterally stretching；Longitudinal preheating temperature is 95-125 DEG C,
Draft temperature is 70-100 DEG C, and setting temperature is 55-85 DEG C, and longitudinal stretching ratio is 5.0-7.5；Horizontal preheating temperature is 170-
200 DEG C, draft temperature is 130-160 DEG C, and cross directional stretch ratio is 8-10, and setting temperature is 125-155 DEG C, and the time is 1-3 seconds；Draw
BOPP film after stretching need to carry out air-cooled processing immediately, and cold wind temperature is 15-30 DEG C；The crease-resistant anti-high light of cigarette bag deformation is made micro-
The cigarette BOPP film of contraction.
8. the preparation method of the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation as claimed in claim 7,
It is characterized in that after cross directional stretch process, at thickness measurement online, rim charge cutting, static elimination, automatic winding, timeliness
Manage production process；The cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation is made.
9. the preparation method of the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation as claimed in claim 7,
It is characterized in that the specifically used requirement according to client cuts into the finished product film roll of corresponding specification.
10. the preparation method of the cigarette BOPP film of the crease-resistant anti-high bright micro- contraction of cigarette bag deformation as claimed in claim 7,
It is characterized in that the BOPP film produced by above-mentioned raw materials formula and production technology, gross thickness is 22um, upper epidermis is 1um,
Sandwich layer is 20um, and layer is 1um.
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| CN201710198766.9A CN107160796A (en) | 2017-03-29 | 2017-03-29 | Micro- contraction cigarette BOPP film of the crease-resistant anti-high light of cigarette bag deformation and preparation method thereof |
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| CN201710198766.9A CN107160796A (en) | 2017-03-29 | 2017-03-29 | Micro- contraction cigarette BOPP film of the crease-resistant anti-high light of cigarette bag deformation and preparation method thereof |
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| CN107745562A (en) * | 2017-11-30 | 2018-03-02 | 青岛嘉泽包装有限公司 | A kind of butterfly shadow light becomes BOPP cigarettes film and its production technology |
| CN108656688A (en) * | 2018-04-25 | 2018-10-16 | 湛江包装材料企业有限公司 | A kind of special silicone type wear rib packet BOPP film and preparation method thereof |
| CN108715070A (en) * | 2018-04-25 | 2018-10-30 | 湛江包装材料企业有限公司 | Crease-resistant anti-cigarette packet deformation BOPP film of one kind and preparation method thereof |
| CN108943946A (en) * | 2018-05-23 | 2018-12-07 | 湛江包装材料企业有限公司 | A kind of 18 microns of BOPP cigarette package films of lightweight of high maneuverability and preparation method thereof |
| CN113059880A (en) * | 2021-04-19 | 2021-07-02 | 江阴中达软塑新材料股份有限公司 | Heat-sealing type BOPP film for cigarettes and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107745562A (en) * | 2017-11-30 | 2018-03-02 | 青岛嘉泽包装有限公司 | A kind of butterfly shadow light becomes BOPP cigarettes film and its production technology |
| CN108656688A (en) * | 2018-04-25 | 2018-10-16 | 湛江包装材料企业有限公司 | A kind of special silicone type wear rib packet BOPP film and preparation method thereof |
| CN108715070A (en) * | 2018-04-25 | 2018-10-30 | 湛江包装材料企业有限公司 | Crease-resistant anti-cigarette packet deformation BOPP film of one kind and preparation method thereof |
| CN108943946A (en) * | 2018-05-23 | 2018-12-07 | 湛江包装材料企业有限公司 | A kind of 18 microns of BOPP cigarette package films of lightweight of high maneuverability and preparation method thereof |
| CN113059880A (en) * | 2021-04-19 | 2021-07-02 | 江阴中达软塑新材料股份有限公司 | Heat-sealing type BOPP film for cigarettes and preparation method thereof |
| CN113059880B (en) * | 2021-04-19 | 2022-05-17 | 江阴中达软塑新材料股份有限公司 | Heat-sealing type BOPP film for cigarettes and preparation method thereof |
| CN113580705A (en) * | 2021-07-29 | 2021-11-02 | 海南赛诺实业有限公司 | Ultralow-temperature heat-sealing wear-resistant BOPP film and preparation method thereof |
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Application publication date: 20170915 |