CN107253378A - Tolerance high convergency high speed cigarette packaging film and preparation method thereof - Google Patents
Tolerance high convergency high speed cigarette packaging film and preparation method thereof Download PDFInfo
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- CN107253378A CN107253378A CN201710198792.1A CN201710198792A CN107253378A CN 107253378 A CN107253378 A CN 107253378A CN 201710198792 A CN201710198792 A CN 201710198792A CN 107253378 A CN107253378 A CN 107253378A
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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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
- B29C2948/92647—Thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- 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
- B32B2307/70—Other properties
- B32B2307/746—Slipping, anti-blocking, low friction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The present invention relates to tolerance high convergency high speed cigarette packaging film and preparation method thereof, it is characterised in that：Constituted using the direct coextru-lamination of three-decker, upper epidermis and layer are hot sealing layer, intermediate layer is sandwich layer, upper epidermis is made up of copolymerization heat-sealable material, organic antiplastering aid and slipping agent, sandwich layer is made up of homopolymerization major ingredient, antistatic additive and intensity strengthening agent, and layer is made up of copolymerization heat-sealable material, lubrication prescription and the smooth antiplastering aid of nanoscale；Based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material accounts for 90 95%, organic antiplastering aid 2 4%, and slipping agent accounts for 2 6%；Sandwich layer：Homopolymerization major ingredient accounts for 70 75%, and antistatic additive accounts for 2 4%, and intensity strengthening agent accounts for 15 26%；Layer：Copolymerization heat-sealable material accounts for 80 85%, and slipping agent accounts for 7 9%, and the smooth antiplastering aid of nanoscale accounts for 8 11%.With effectively improving, upper machine width capacitive, stability are good and guarantee film is in high volume on high-speed packaging machine the characteristics of normal operation.
Description
Technical field
The present invention relates to tolerance high convergency high speed cigarette packaging film and its preparation side, it is adaptable to the high convergency of cigarette pack
Small coating.Belong to the BOPP film technical field of cigarette package.
Background technology
At present, the small coating of high convergency of in the market production cigarette film manufacturer production sale, tobacco factory is all reflected in high-speed packaging machine
Upper tolerance is not good, mainly runs not smooth, is difficult continuously to transport especially on the packing machine that speed is 800-1000 bags/per minute
OK.Due to tobacco factory in order to improve operating efficiency, packing machine is progressively to high speed machine transition, and this requires the small coating of high convergency to have more
Good tolerance, thus it is that film factory compels the problem of eyebrow is essential solution to improve the upper machine width capacitive of the small coating of high convergency.
For the upper machine width capacitive problem of the small coating of high convergency, substantial amounts of work has all been done by nearest each BOPP film producer,
It is made that many new products, although some of products achieve certain effect, but upper machine width capacitive or inadequate, performance
For：Small lot film can be used, and can not in high volume be used, stability is poor.Normal temperature coefficient of friction is small to be found to these film analysis, 50 DEG C
When rub it is larger, unstable, thus it is seen that the influence small coating of high convergency normal operation principal element on high-speed packaging machine
It is：1st, whether the thin small coating two sides of high convergency is enough slided；2nd, whether the thin small coating two sides coefficient of friction of high convergency, differs many
It is few；3rd, whether the small coating of high convergency most sliding surface coefficient of friction under high temperature (50 DEG C) is small, and whether keeps stable.
The content of the invention
An object of the present invention, is that to there is upper machine width capacitive poor, steady for the small coating of the high convergency for solving prior art
The problems such as qualitative difference and inapplicable high-volume are used on the machine is there is provided a kind of tolerance high convergency high speed cigarette packaging film, with having
Imitating raising, above machine width capacitive, stability are good and ensure the characteristics of film high-volume is normally run on high-speed packaging machine.
The second object of the present invention, is to provide for a kind of preparation method of tolerance high convergency high speed cigarette packaging film.
An object of the present invention can be reached by adopting the following technical scheme that：
Tolerance high convergency high speed cigarette packaging film, it is characterised in that：Constituted using the direct coextru-lamination of three-decker, on
Top layer and layer are hot sealing layer, and intermediate layer is sandwich layer, and upper epidermis is by copolymerization heat-sealable material, organic antiplastering aid and slipping agent structure
Into sandwich layer is made up of homopolymerization major ingredient, antistatic additive and intensity strengthening agent, and layer is smooth by copolymerization heat-sealable material, lubrication prescription and nanoscale
Antiplastering aid is constituted；Based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material accounts for 90-95%, and machine antiplastering aid 2-4%, slipping agent is accounted for
2-6%；Sandwich layer：Homopolymerization major ingredient accounts for 70-75%, and antistatic additive accounts for 2-4%, and intensity strengthening agent accounts for 15-26%；Layer：Copolymerization is sealed
Material accounts for 80-85%, and slipping agent accounts for 7-9%, and the smooth antiplastering aid of nanoscale accounts for 8-11%.
An object of the present invention can also be reached by adopting the following technical scheme that：
Further, upper epidermis, the thickness control of layer are in 1 μ -1.2 μ, and the thickness control of sandwich layer is in 20-22 μ.
Further, based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material accounts for 94.3%, organic antiplastering aid and smooth
Agent respectively accounts for 2.85%；Sandwich layer：Homopolymerization major ingredient accounts for 72%, and antistatic additive accounts for 2.9%, and intensity strengthening agent accounts for 15.1%；Layer：Copolymerization heat
Closure material accounts for 83.3%, and slipping agent accounts for 8.35%, and the smooth antiplastering aid of nanoscale accounts for 8.35%.
Further, based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material accounts for 92.6%, organic antiplastering aid and smooth
Agent respectively accounts for 3.7%；Sandwich layer：Homopolymerization major ingredient accounts for 72%, and antistatic additive accounts for 2.9%, and intensity strengthening agent accounts for 15.1%；Layer：Copolymerization heat
Closure material accounts for 82%, and slipping agent accounts for 8.2%, and the smooth antiplastering aid of nanoscale accounts for 9.8%.
Further, the copolymerization heat-sealable material is co-polymer polypropylene, and the homopolymerization major ingredient is homopolymer polypropylene.
Further, selected antiplastering aid and slipping agent have the characteristics that：Particle diameter is small, and small, friction is scattered to light
Coefficient is small, high temperature resistant.
Further, the slipping agent is silicone, and organic antiplastering aid is ABVT series, and the smooth antiplastering aid of nanoscale is grain
Footpath especially small free-flowing particle, intensity strengthening agent is the hydrogenated resin with high softening-point, and antistatic additive is by non-ionic anti-
Electrostatic agent and cationic antistatic agent are composited.
The second object of the present invention can be reached by adopting the following technical scheme that：
The preparation method of tolerance high convergency high speed cigarette packaging film, it is characterised in that comprise the following steps：
1) according to the first dispensing of following proportioning：Based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material accounts for 90-95%, and machine resists
Stick 2-4%, slipping agent accounts for 2-6%；Sandwich layer：Homopolymerization major ingredient accounts for 70-75%, and antistatic additive accounts for 2-4%, and intensity strengthening agent accounts for 15-
26%；Layer：Copolymerization heat-sealable material accounts for 80-85%, and slipping agent accounts for 7-9%, and the smooth antiplastering aid of nanoscale accounts for 8-11%；
2) after being well mixed the raw material of upper epidermis and the raw material of layer respectively, suck extrusion hopper and enter respective
Single screw extrusion machine carries out fusion plastification, and then through filter, connecting tube enters die head；
3) by core layer raw material after well mixed, extrusion hopper is sucked, fusion plastification is carried out into single screw extrusion machine, so
After sequentially pass through filter, measuring pump, main filter, into die head；
4) step 2), 3) in formed three layers of melt through die converge after flow out, be attached to by air knife on sharp cooling roll, rapidly
Slab is cooled into, then in turn through longitudinal stretching, laterally cross directional stretch, sizing and refrigerating work procedure, tolerance high receipts are made
Contracting high speed cigarette packaging film.
The second object of the present invention can also be reached by adopting the following technical scheme that：
Further, step 2), 3) described in fusion plastification temperature control in 210-260 DEG C, step 2) in by filtering
The temperature that device, connecting tube enter die head is 210-260 DEG C, step 3) it is middle by filter, measuring pump, main filter, into mould
The temperature of head is 210-260 DEG C.
Further, step 4) in, longitudinal stretching ratio is 5-6, and cross directional stretch ratio is 7-8.
Further, by step 4) after process, also sequentially pass through traction thickness measuring, flattening, edge cutting, static elimination and
Online winding process, is made tolerance high convergency high speed cigarette packaging film.
Further, corresponding finished product is cut into according to customer demand.
The present invention has beneficial effect prominent as follows：
1st, the present invention is constituted using the direct coextru-lamination of three-decker, and upper epidermis and layer are hot sealing layer, and intermediate layer is
Sandwich layer, upper epidermis is made up of copolymerization heat-sealable material, organic antiplastering aid and slipping agent, and sandwich layer is by homopolymerization major ingredient, antistatic additive and increasing
Very agent is constituted, and layer is made up of copolymerization heat-sealable material, lubrication prescription and the smooth antiplastering aid of nanoscale；By mass percentage, upper table
Layer material composition be：Copolymerization heat-sealable material accounts for 92-94%, and organic antiplastering aid and slipping agent account for 6-8%；The material composition of sandwich layer
For：Homopolymerization major ingredient accounts for 60-65%, antistatic additive 3-5%, intensity strengthening agent point 33-37%；The material composition of layer is：Copolymerization heat
Closure material accounts for 78-80%, and lubrication prescription and the smooth antiplastering aid of nanoscale account for 20-22%；Therefore, it is possible to solve the high convergency of prior art
Small coating has that upper machine width capacitive is poor, stability difference and inapplicable high-volume, with effectively improving upper machine
Tolerance, stability are good and ensure film high-volume on high-speed packaging machine the characteristics of normal operation.
2nd, the present invention verifies the height for confirming formula production by tobacco factory because coefficient of friction numerical value is small and fluctuation range is small
Shrink film can normally be run on high-speed packaging machine.
Brief description of the drawings
Invention is further illustrated with example below in conjunction with the accompanying drawings.
Fig. 1 is the three-decker schematic diagram of tolerance high convergency high speed cigarette packaging film of the present invention.
1 upper epidermis in figure, 2 be sandwich layer, and 3 be layer.
Embodiment
Following instance is in breadth 4.2m, and speed is to implement on 130-150m/min production lines
Specific embodiment 1：
The tolerance high convergency high speed cigarette packaging film that this specific embodiment 1 is related to, it is multiple using the direct co-extrusion of three-decker
Close and constitute, upper epidermis and layer are hot sealing layer, intermediate layer is sandwich layer, upper epidermis by copolymerization heat-sealable material, organic antiplastering aid and
Slipping agent is constituted, and sandwich layer is made up of homopolymerization major ingredient, antistatic additive and intensity strengthening agent, and layer is by copolymerization heat-sealable material, lubrication prescription and receives
The smooth antiplastering aid of meter level is constituted；Based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material accounts for 94.3%, organic antiplastering aid and refreshing
Lubrication prescription respectively accounts for 2.85%；Sandwich layer：Homopolymerization major ingredient accounts for 72%, and antistatic additive accounts for 2.9%, and intensity strengthening agent accounts for 15.1%；Layer：Copolymerization
Heat-sealable material accounts for 83.3%, and slipping agent accounts for 8.35%, and the smooth antiplastering aid of nanoscale accounts for 8.35%.The thickness of upper epidermis, layer
Control is in 1 μ, and the thickness control of sandwich layer is in 21 μ.
In the present embodiment：
The copolymerization heat-sealable material is the co-polymer polypropylene of routine techniques, and the homopolymerization major ingredient is the homopolymerization of routine techniques
Thing polypropylene.Selected antiplastering aid and slipping agent has the characteristics that：Particle diameter is small, small to light scattering, and coefficient of friction is small, resistance to
High temperature.
The slipping agent is the silicone of routine techniques, and organic antiplastering aid is the ABVT series of products of routine techniques, nanometer
The smooth antiplastering aid of level has particle diameter is especially small flow freely particle, can use the smooth antiplastering aid of nanoscale of routine techniques,
Intensity strengthening agent is the conventional hydrogenated resin with high softening-point, antistatic additive be by routine techniques non-ionic antistatic agent with
Cationic antistatic agent is composited.
The preparation method for the tolerance high convergency high speed cigarette packaging film that the present embodiment is related to, it is characterised in that including as follows
Step：
1) according to the first dispensing of following proportioning：In parts by mass, upper epidermis：100 parts of+3 parts of copolymerization heat-sealable materials are organic anti-stick
+ 3 parts of slipping agents of agent；Sandwich layer：100 parts of+4 parts of homopolymerization major ingredient+35 parts of antistatic additive intensity strengthening agents；Layer：100 parts of copolymerization seal material
Expect the smooth antiplastering aid of+10 parts of nanoscales of+10 parts of slipping agents；Change into based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material is accounted for
94.3%, organic antiplastering aid and slipping agent respectively account for 2.85%；Sandwich layer：Homopolymerization major ingredient accounts for 72%, and antistatic additive accounts for 2.9%, stiffening
Agent accounts for 15.1%；Layer：Copolymerization heat-sealable material accounts for 83.3%, and slipping agent accounts for 8.35%, and the smooth antiplastering aid of nanoscale is accounted for
8.35%.
2) after being well mixed the raw material of upper epidermis and the raw material of layer respectively, suck extrusion hopper and enter respective
Single screw extrusion machine carries out fusion plastification, and then through filter, connecting tube enters die head；
3) by core layer raw material after well mixed, extrusion hopper is sucked, fusion plastification is carried out into single screw extrusion machine, so
After sequentially pass through filter, measuring pump, main filter, into die head；
4) step 2), 3) in formed three layers of melt through die converge after flow out, be attached to by air knife on sharp cooling roll, rapidly
Slab is cooled into, then in turn through longitudinal stretching, laterally cross directional stretch, sizing and refrigerating work procedure, tolerance high receipts are made
Contracting high speed cigarette packaging film.
The present embodiment can also further meet the product of customer requirement by preparing：
Further, step 2), 3) described in fusion plastification temperature control in 210-260 DEG C, step 2) in by filtering
The temperature that device, connecting tube enter die head is 210-260 DEG C, step 3) it is middle by filter, measuring pump, main filter, into mould
The temperature of head is 210-260 DEG C.
Further, step 4) in, longitudinal stretching ratio is 5-6, and cross directional stretch ratio is 7-8.
Further, by step 4) after process, also sequentially pass through traction thickness measuring, flattening, edge cutting, static elimination and
Online winding process, is made tolerance high convergency high speed cigarette packaging film.
Further, corresponding finished product is cut into according to customer demand.
The test result of the present embodiment is as follows：
Upper epidermis coefficient of friction normal temperature 0.20-0.22, high temperature (50 DEG C) is in 0.28-0.30；
Layer coefficient of friction normal temperature is in 0.15-0.17, and high temperature (50 DEG C) is in 0.22-0.24.
In the present embodiment：
The present embodiment is raw material of the applicant using routine, and special material is constituted with the proportion by weight of special setting
Prescription, by special technical process and work condition, the capacitive high convergency high speed cigarette packaging film prepared solves existing skill
The small coating of high convergency of art has that upper machine width capacitive is poor, stability difference and inapplicable high-volume, with having
Imitating raising, above machine width capacitive, stability are good and ensure the characteristics of film high-volume is normally run on high-speed packaging machine.With it is beneficial
Effect.
Specific embodiment 2：
The characteristics of specific embodiment of the invention 2 is：According to the first dispensing of following proportioning：In parts by mass, upper epidermis：100 parts
+ 4 parts of copolymerization heat-sealable material+4 parts of slipping agents of organic antiplastering aid；Sandwich layer：100 parts of+4 parts of homopolymerization major ingredient+35 parts of antistatic additive stiffenings
Agent；Layer：100 parts of smooth antiplastering aids of+10 parts of copolymerization heat-sealable material+12 parts of slipping agent nanoscale；Change into by hundred parts of ratios of quality
Meter, upper epidermis：Copolymerization heat-sealable material accounts for 92.6%, and organic antiplastering aid and slipping agent respectively account for 3.7%；Sandwich layer：Homopolymerization major ingredient is accounted for
72%, antistatic additive accounts for 2.9%, and intensity strengthening agent accounts for 15.1%；Layer：Copolymerization heat-sealable material accounts for 82%, and slipping agent accounts for 8.2%,
The smooth antiplastering aid of nanoscale accounts for 9.8%.Upper epidermis, the thickness control of layer are in 1.1 μ, and the thickness control of sandwich layer is in 22 μ.
The test result of this specific embodiment 2 is as follows：
Upper epidermis coefficient of friction normal temperature is surveyed in 0.18-0.20, and high temperature (50 DEG C) is in 0.25-0.28；
Layer coefficient of friction normal temperature is in 0.13-0.6, and high temperature (50 DEG C) is in 0.19-0.23.
Specific embodiment 3：
The characteristics of specific embodiment of the invention 3 is：Based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material accounts for 90%, has
Machine antiplastering aid 4%, slipping agent accounts for 6%；Sandwich layer：Homopolymerization major ingredient accounts for 70%, and antistatic additive accounts for 4%, and intensity strengthening agent accounts for 26%；Following table
Layer：Copolymerization heat-sealable material accounts for 80%, and slipping agent accounts for 9%, and the smooth antiplastering aid of nanoscale accounts for 11%.The thickness of upper epidermis, layer
Control is in 1.2 μ, and the thickness control of sandwich layer is in 20 μ.Remaining is with specific embodiment 1.
Specific embodiment 4：
The characteristics of specific embodiment of the invention 4 is：Based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material accounts for 95%, has
Machine antiplastering aid 2%, slipping agent accounts for 3%；Sandwich layer：Homopolymerization major ingredient accounts for 75%, and antistatic additive accounts for 2%, and intensity strengthening agent accounts for 23%；Following table
Layer：Copolymerization heat-sealable material accounts for 85%, and slipping agent accounts for 7%, and the smooth antiplastering aid of nanoscale accounts for 8%.The thickness control of upper epidermis, layer
System is in 1.2 μ, and the thickness control of sandwich layer is in 20 μ.Remaining is with specific embodiment 1.
The tolerance high convergency high speed cigarette packaging film of the specific embodiment production of the present invention (claims：The small coating of high convergency),
By good in different tobacco factory's lab scales, pilot scale reflection, also reflection is well especially on the packing machine of 800-1000 bags/per minute.
The small coating tolerance of the present invention is good, mainly：Normal temperature two sides coefficient of friction is small, also small and fluctuate little in high temperature.Upper epidermis
Coefficient of friction normal temperature is in 0.18-0.22, and high temperature (50 DEG C) is in 0.25-0.30, and layer wipes coefficient normal temperature in 0.13-0.17, high
Warm (50 DEG C) are in 0.19-0.24.
Claims (10)
1. tolerance high convergency high speed cigarette packaging film, it is characterised in that：Constituted using the direct coextru-lamination of three-decker, upper table
Layer is hot sealing layer with layer, and intermediate layer is sandwich layer, and upper epidermis is made up of copolymerization heat-sealable material, organic antiplastering aid and slipping agent,
Sandwich layer is made up of homopolymerization major ingredient, antistatic additive and intensity strengthening agent, and layer is smooth anti-stick by copolymerization heat-sealable material, lubrication prescription and nanoscale
Agent is constituted；Based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material accounts for 90-95%, and machine antiplastering aid 2-4%, slipping agent accounts for 2-
6%；Sandwich layer：Homopolymerization major ingredient accounts for 70-75%, and antistatic additive accounts for 2-4%, and intensity strengthening agent accounts for 15-26%；Layer：Copolymerization seals material
Material accounts for 80-85%, and slipping agent accounts for 7-9%, and the smooth antiplastering aid of nanoscale accounts for 8-11%.
2. tolerance high convergency high speed cigarette packaging film according to claim 1, it is characterised in that：Upper epidermis, layer
Thickness control in 1 μ -1.2 μ, the thickness control of sandwich layer is in 20-22 μ.
3. tolerance high convergency high speed cigarette packaging film according to claim 1 or 2, it is characterised in that：By hundred parts of quality
Than meter, upper epidermis：Copolymerization heat-sealable material accounts for 94.3%, and organic antiplastering aid and slipping agent respectively account for 2.85%；Sandwich layer：Homopolymerization major ingredient is accounted for
72%, antistatic additive accounts for 2.9%, and intensity strengthening agent accounts for 15.1%；Layer：Copolymerization heat-sealable material accounts for 83.3%, and slipping agent is accounted for
8.35%, the smooth antiplastering aid of nanoscale accounts for 8.35%；Or based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material is accounted for
92.6%, organic antiplastering aid and slipping agent respectively account for 3.7%；Sandwich layer：Homopolymerization major ingredient accounts for 72%, and antistatic additive accounts for 2.9%, intensity strengthening agent
Account for 15.1%；Layer：Copolymerization heat-sealable material accounts for 82%, and slipping agent accounts for 8.2%, and the smooth antiplastering aid of nanoscale accounts for 9.8%.
4. tolerance high convergency high speed cigarette packaging film according to claim 1 or 2, it is characterised in that：The copolymerization heat
Closure material is co-polymer polypropylene, and the homopolymerization major ingredient is homopolymer polypropylene.
5. tolerance high convergency high speed cigarette packaging film according to claim 1 or 2, it is characterised in that：Selected is anti-
Stick and slipping agent have the characteristics that：Particle diameter is small, small to light scattering, and coefficient of friction is small, high temperature resistant.
6. tolerance high convergency high speed cigarette packaging film according to claim 1 or 2, it is characterised in that：The slipping agent
For silicone, organic antiplastering aid is ABVT series, and the smooth antiplastering aid of nanoscale is particle diameter especially small free-flowing particle, stiffening
Agent is the hydrogenated resin with high softening-point, and antistatic additive is combined by non-ionic antistatic agent and cationic antistatic agent
Form.
7. the preparation method of tolerance high convergency high speed cigarette packaging film, it is characterised in that comprise the following steps：
1) according to the first dispensing of following proportioning：Based on hundred parts of ratios of quality, upper epidermis：Copolymerization heat-sealable material accounts for 90-95%, machine antiplastering aid
2-4%, slipping agent accounts for 2-6%；Sandwich layer：Homopolymerization major ingredient accounts for 70-75%, and antistatic additive accounts for 2-4%, and intensity strengthening agent accounts for 15-26%；Under
Top layer：Copolymerization heat-sealable material accounts for 80-85%, and slipping agent accounts for 7-9%, and the smooth antiplastering aid of nanoscale accounts for 8-11%；
2) after being well mixed the raw material of upper epidermis and the raw material of layer respectively, suck extrusion hopper and enter respective single spiral shell
Bar extruder carries out fusion plastification, and then through filter, connecting tube enters die head；
3) by core layer raw material after well mixed, extrusion hopper is sucked, fusion plastification, Ran Houyi are carried out into single screw extrusion machine
It is secondary through filter, measuring pump, main filter, into die head；
4) step 2), 3) in formed three layers of melt through die converge after flow out, be attached on sharp cooling roll, rapidly cooled down by air knife
Slab is formed, then in turn through longitudinal stretching, laterally cross directional stretch, sizing and refrigerating work procedure, tolerance high convergency is made high
Fast cigarette package film.
8. the preparation method of tolerance high convergency high speed cigarette packaging film according to claim 7, it is characterised in that：Step
2), 3) described in fusion plastification temperature control in 210-260 DEG C, step 2) in by filter, connecting tube enter die head temperature
Spend for 210-260 DEG C, step 3) it is middle by filter, measuring pump, main filter, the temperature into die head is 210-260 DEG C.
9. the preparation method of tolerance high convergency high speed cigarette packaging film according to claim 7, it is characterised in that：Step
4) in, longitudinal stretching ratio is 5-6, and cross directional stretch ratio is 7-8.
10. the preparation method of tolerance high convergency high speed cigarette packaging film according to claim 7, it is characterised in that：Through
Cross step 4) after process, traction thickness measuring, flattening, edge cutting, static elimination and online winding process are also sequentially passed through, width is made
Capacitive high convergency high speed cigarette packaging film.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109514956A (en) * | 2018-12-27 | 2019-03-26 | 海南赛诺实业有限公司 | A kind of the cigarette package film and preparation method of superpower wear-resistant |
| CN110294896A (en) * | 2019-05-15 | 2019-10-01 | 江阴中达软塑新材料股份有限公司 | A kind of high glaze low haze cigarette film and preparation process |
| CN113478934A (en) * | 2021-05-26 | 2021-10-08 | 江阴奕佳包装材料有限公司 | Low-temperature POF (polyester pre-oriented film) matte high-shrinkage film and production process thereof |
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Application publication date: 20171017 |