CN105835501A - Composite thin film having stable friction coefficient - Google Patents
Composite thin film having stable friction coefficient Download PDFInfo
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- CN105835501A CN105835501A CN201610177111.9A CN201610177111A CN105835501A CN 105835501 A CN105835501 A CN 105835501A CN 201610177111 A CN201610177111 A CN 201610177111A CN 105835501 A CN105835501 A CN 105835501A
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- thin film
- polypropylene
- layer
- composite membrane
- stable friction
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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
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
Abstract
The invention relates to a composite thin film having stable friction coefficient. The composite thin film includes polypropylene thin film and biaxially oriented polypropylene thin film. Through regulation of formula of the polypropylene thin film, the composite thin film is prepared from the polypropylene thin film and the biaxially oriented polypropylene thin film through a solvent-free composition process. The composite thin film has good performance, stable friction coefficient and can satisfy high-speed automatic package of some product. The preparation of the composite thin film is free of solvent and is more environment-friendly, so that the composite thin film can ensure safety of food package. Compared with thin films prepared through a solvent composition process in the prior art, the composite thin film is increased by more than one times in production speed and is greatly increased in production efficiency.
Description
Technical field
The invention belongs to packing film production technical field, be specifically related to answering of a kind of stable friction factor
Mould assembly thin film.
Background technology
Along with the economic and development of society, people more and more pay close attention to the safety of food, to packaging for foodstuff
The requirement of bag is more and more higher, food pack have become as a very important control of food safety because of
How element, produce a kind of high-barrier, sealing intensity combined strength bination good, high, safety asepsis food pack
Seem very urgent；Moreover, the environmental consciousness of people is increasingly stronger, how to ensure food pack
Production process is more environmentally-friendly, can improve constantly again safety and the high barrier of food pack simultaneously, becomes
For flexible package development trend.
The dry skill of returning to work of existing solvent-borne type can be applicable to multiple composite membrane base material such as plastics, paper and metallic aluminium etc.,
It it is the most most widely used a kind of combination process.In China, food pack is essentially all employing solvent
Type composite dry process produces, and all exists in all many-sides such as energy charge, environmental conservation and health
Certain impact, especially problem of solvent residual, all cause certain harm to environment, food safety.
It addition, different packaging facilities has different requirements to packing film material, along with product packaging
Automatization, needs packing film material to drive packaged product, normal packet during some manufacturer production products
Dress thin film can not meet device requirement, and the most common CPP/BOPP packing film is returned to work through solvent-borne type is dry
The coefficient of friction that skill produces after compound ripening is unstable, and coefficient of friction is higher, wound membrane adhesion, walks film not smooth,
Coefficient of friction is on the low side, skids when transporting product, and in packaging process, easy sideslip, is unfavorable for that high-speed packet is installed
The requirement of standby packaging automatically.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provides the composite membrane of a kind of stable friction factor.
In order to realize the purpose of the present invention, present invention employs techniques below scheme:
The composite membrane of a kind of stable friction factor is thin including polypropylene film, Biaxially oriented polypropylene
Film, it is characterised in that: described polypropylene film is made up of hot sealing layer, packed layer, corona layer；Described heat
Sealing includes ternary polymerized polypropylene, opening agent, slipping agent, described ternary polymerized polypropylene, opening agent,
The mass ratio of slipping agent is (99-101): (0.7-0.9): (0.5-0.7)；Described packed layer, electricity
Dizzy layer is constituted by HOPP, and in described packed layer, corona layer, HOPP is respectively with described
The mass ratio of ternary polymerized polypropylene is (99-101): (99-101)；Described hot sealing layer, packed layer,
The thickness of corona layer is than being (23-24): (59-61): (16-17)；Described composite membrane is by institute
State polypropylene film, bidirectional stretching polypropylene film carries out compound ripening by solvent-free adhesive and obtains；
Described solvent-free adhesive selects the A glue that model is 7723 and the type produced by Henkel KGaA company
Number be 6029 B glue constitute, the mixing quality of described A glue and B glue is than for (98-102):
(84-86), in described recombination process, spread controls at 1.5-1.8g/m2, described solvent-free adhesive
Hybrid process temperature controls at 42-45 DEG C, and gluing combined temp controls at 44-46 DEG C, compound post curing
Temperature controls at 44-46 DEG C, 28-32 hour curing time.
Further technical scheme, described ternary polymerized polypropylene, opening agent, slipping agent mass ratio excellent
Select 100:0.8:0.6；Described hot sealing layer, packed layer, corona layer thickness than preferred 23.3:60:16.7；
The mixing quality of described A glue and B glue is than preferred 100:85；Described gluing combined temp controls
45 DEG C, compound post curing temperature controls at 45 DEG C, 30 hours curing times.
Further technical scheme, the type that described ternary polymerized polypropylene is preferably produced by Yanshan Petrochemical company
It number it is the product of C5908.
Further technical scheme, the model that described opening agent is preferably produced by precious Leadd B.V of France is
ABPP10S, unit content is the product of 10000ppm.
Further technical scheme, the model that described slipping agent is preferably produced by Beijing Aaron company is
SLPP-7, unit content is the product of 7000ppm.
Further technical scheme, it is limited that described HOPP is preferably raised sub-petrochemical industry by Sinopec
The product that model is FC801CX that company produces.
Further technical scheme, described bidirectional stretching polypropylene film be through printing treatment obtain double
To oriented polypropylene print film.
The beneficial effects of the present invention is:
(1) present invention is by being adjusted the formula of polypropylene film (CPP), improves polypropylene
Thin film (CPP) and bidirectional stretching polypropylene film (BOPP) carry out being combined by solvent-free binding agent
Adaptability and combined strength bination, use solvent-free combination process so that by polypropylene film and biaxial tension
The composite membrane performance that polypropylene film obtains after being stably combined is good, stable friction factor, it is possible to meet
The requirement of the High-Speed Automatic packaging of some product.It is described compound that the present invention uses solvent-free combination process to obtain
Thin film, it is not necessary to solvent, more environmentally-friendly, ensure the safety of packaging for foodstuff further；And compared to biography
The thin film obtained by solvent-borne type combination process of system, fast more than 1 times of speed of production, production efficiency carries significantly
High.
(2) heretofore described HOPP is preferably by Sinopec Yangzi Petrochemical Co
The product that model is FC801CX produced.This product is common HOPP material, thin as CPP
The corona layer of film uses, and this product is easy fracture, Yi Yu electricity under corona process Middle molecule key is at impacting with high pressure
Oxygen atom after from combines, and has the characteristic that wetting tension is lasting, stable, for the stripping of follow-up combination process
From the coating performance that offer is good.Additionally this product uses as the packed layer of CPP thin film, corona layer,
Packed layer two-layer shares same pellet, and pellet between layers has the most blended integration, for
Laminating and the stablizing of coefficient of friction of material have vital effect.
(3) model that heretofore described ternary polymerized polypropylene is preferably produced by Yanshan Petrochemical company is
The product of C5908, this product is ethylene, propylene and the copolymer of three kinds of monomers of butylene, without slipping agent,
After processing, little molecule separates out stable, and the control for coefficient of friction has good control action, simultaneously low
Temperature about 112 DEG C just can play envelope, arrives 120 DEG C of heat seal strengths and just reaches normal, it is possible to meets client
The requirement of low-temperature heat-sealing.The model that described opening agent is preferably produced by precious Leadd B.V of France is ABPP10S,
Unit content is the product of 10000ppm, and the interpolation of this product ensure that composite membrane product seals
After there is good opening performance, be conducive to meeting high-speed filling and the demand of packaging product.Described smooth
The model that agent is preferably produced by Beijing Aaron company is SLPP-7, and unit content is the product of 7000ppm,
Being added to of this product ensures that composite membrane does not haves big brilliant point and speckle man-hour adding, and is beneficial to steady
Fixed output quota quality.Described hot sealing layer, packed layer, the thickness ratio of three layers of corona layer select 23.3:60:16.7,
The thickness proportion of hot sealing layer can make composite membrane in the packaging speed of relatively low heat-sealing temperature or higher
Time obtain higher heat seal strength.It is found through experiments and is obtained by product F C801MX and products C 5908
CPP thin film has more preferable adaptability to solvent-free combination process, additionally also has preferably with BOPP thin film
Adhesion strength, can obtain the best peeling effect in high speed compound between BOPP/CPP.
Detailed description of the invention
Below in conjunction with embodiment technical solution of the present invention made more specific detail:
Embodiment 1
CPP/BOPP composite membrane, including polypropylene film, bidirectional stretching polypropylene film, described poly-
Polypropylene film is made up of hot sealing layer, packed layer, corona layer；Described hot sealing layer include ternary polymerized polypropylene,
Opening agent, slipping agent, described ternary polymerized polypropylene, opening agent, the mass ratio of slipping agent are
99:0.9:0.5；Described packed layer, corona layer are constituted by HOPP, described packed layer, corona
In Ceng, HOPP mass ratio with described ternary polymerized polypropylene respectively is 99:101；Described heat
Sealing, packed layer, corona layer thickness than for 23:59:16；Described composite membrane is by described poly-third
Alkene thin film, bidirectional stretching polypropylene film carry out compound ripening by solvent-free adhesive and obtain；Described double
It it is the Biaxially oriented polypropylene print film obtained through printing treatment to stretched polypropene film；Described without molten
Agent adhesive selects the A glue that model is 7723 produced by Henkel KGaA company and model to be 6029
B glue constitute, the mixing quality of described A glue and B glue ratio is for 98:86, described recombination process
Middle spread controls at 1.5g/m2, described solvent-free adhesive hybrid process temperature controls at 42 DEG C, gluing
Combined temp controls at 44 DEG C, and compound post curing temperature controls at 46 DEG C, 28 hours curing times.
Described ternary polymerized polypropylene is the product that model is C5908 that Yanshan Petrochemical company produces.
Described opening agent be the model that precious Leadd B.V of France produces be ABPP10S, unit content is
The product of 10000ppm.
Described slipping agent be Beijing Aaron company produce model be SLPP-7, unit content is 7000ppm
Product.
Described HOPP is that the model that Sinopec Yangzi Petrochemical Co produces is
The product of FC801CX.
Embodiment 2
CPP/BOPP composite membrane, including polypropylene film, bidirectional stretching polypropylene film, described poly-
Polypropylene film is made up of hot sealing layer, packed layer, corona layer；Described hot sealing layer include ternary polymerized polypropylene,
Opening agent, slipping agent, described ternary polymerized polypropylene, opening agent, the mass ratio of slipping agent are
101:0.7:0.7；Described packed layer, corona layer are constituted by HOPP, described packed layer, electricity
In dizzy layer, HOPP mass ratio with described ternary polymerized polypropylene respectively is 101:99；Described
Hot sealing layer, packed layer, corona layer thickness than for 24:61:17；Described composite membrane is by described poly-
Polypropylene film, bidirectional stretching polypropylene film carry out compound ripening by solvent-free adhesive and obtain；Described
Bidirectional stretching polypropylene film is the Biaxially oriented polypropylene print film obtained through printing treatment；Described nothing
The A glue that model is 7723 and model that the selection of solvent adhesive is produced by Henkel KGaA company are
The B glue of 6029 is constituted, and the mixing quality of described A glue and B glue ratio is for 102:84, described multiple
During conjunction, spread controls at 1.8g/m2, described solvent-free adhesive hybrid process temperature controls
45 DEG C, gluing combined temp controls at 46 DEG C, and compound post curing temperature controls at 44 DEG C, the curing time
32 hours.
Described ternary polymerized polypropylene is the product that model is C5908 that Yanshan Petrochemical company produces.
Described opening agent be the model that precious Leadd B.V of France produces be ABPP10S, unit content is
The product of 10000ppm.
Described slipping agent be Beijing Aaron company produce model be SLPP-7, unit content is 7000ppm
Product.
Described HOPP is that the model that Sinopec Yangzi Petrochemical Co produces is
The product of FC801CX.
Embodiment 3
CPP/BOPP composite membrane, including polypropylene film, bidirectional stretching polypropylene film, described poly-
Polypropylene film is made up of hot sealing layer, packed layer, corona layer；Described hot sealing layer include ternary polymerized polypropylene,
Opening agent, slipping agent, described ternary polymerized polypropylene, opening agent, the mass ratio of slipping agent are
100:0.8:0.6；Described packed layer, corona layer are constituted by HOPP, described packed layer, electricity
In dizzy layer, HOPP mass ratio with described ternary polymerized polypropylene respectively is 100:100；Described
Hot sealing layer, packed layer, corona layer thickness than for 23.3:60:16.7；Described composite membrane is by institute
State polypropylene film, bidirectional stretching polypropylene film carries out compound ripening by solvent-free adhesive and obtains；
Described bidirectional stretching polypropylene film is the Biaxially oriented polypropylene print film obtained through printing treatment；Institute
State the A glue that model is 7723 and model that solvent-free adhesive selects to be produced by Henkel KGaA company
Be 6029 B glue constitute, the mixing quality of described A glue and B glue ratio is for 100:85, described
In recombination process, spread controls at 1.6g/m2, described solvent-free adhesive hybrid process temperature controls
43 DEG C, gluing combined temp controls at 45 DEG C, and compound post curing temperature controls at 45 DEG C, the curing time
30 hours.
Described ternary polymerized polypropylene is the product that model is C5908 that Yanshan Petrochemical company produces.
Described opening agent be the model that precious Leadd B.V of France produces be ABPP10S, unit content is
The product of 10000ppm.
Described slipping agent be Beijing Aaron company produce model be SLPP-7, unit content is 7000ppm
Product.
Described HOPP is that the model that Sinopec Yangzi Petrochemical Co produces is
The product of FC801CX.
Following table is the performance parameter of CPP/BOPP composite membrane described in above three groups of embodiments:
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Coefficient of friction | 0.4-0.7 | 0.4-0.7 | 0.4-0.7 |
| Intensity | 1.0 | 2.0 | 1.5 |
As can be seen here, CPP/BOPP composite membrane performance of the present invention is good, stable friction factor,
Disclosure satisfy that the requirement of the High-Speed Automatic packaging of some product；Additionally combined strength bination is compared to Traditional Packing thin film
It is improved.
Claims (7)
1. a composite membrane for stable friction factor, including polypropylene film, biaxial stretching polypropylene
Alkene thin film, it is characterised in that: described polypropylene film is made up of hot sealing layer, packed layer, corona layer；Institute
State hot sealing layer and include ternary polymerized polypropylene, opening agent, slipping agent, described ternary polymerized polypropylene, open
Mouth agent, the mass ratio of slipping agent are (99-101): (0.7-0.9): (0.5-0.7)；Described filling
Layer, corona layer are constituted by HOPP, and in described packed layer, corona layer, HOPP is respectively
It is (99-101) with the mass ratio of described ternary polymerized polypropylene: (99-101)；Described hot sealing layer,
Packed layer, the thickness ratio of corona layer are (23-24): (59-61): (16-17)；Described compound
Thin film is carried out compound ripe by described polypropylene film, bidirectional stretching polypropylene film by solvent-free adhesive
Change obtains；Described solvent-free adhesive selects the A glue that model is 7723 produced by Henkel KGaA company
Water and the B glue that model is 6029 are constituted, and described A glue with the mixing quality ratio of B glue is
(98-102): (84-86), in described recombination process, spread controls at 1.5-1.8g/m2, described nothing
Solvent adhesive hybrid process temperature controls at 42-45 DEG C, and gluing combined temp controls at 44-46 DEG C,
Compound post curing temperature controls at 44-46 DEG C, 28-32 hour curing time.
2. the composite membrane of stable friction factor as claimed in claim 1, it is characterised in that: institute
State the preferred 100:0.8:0.6 of mass ratio of ternary polymerized polypropylene, opening agent, slipping agent；Described heat-sealing
Layer, packed layer, corona layer thickness than preferred 23.3:60:16.7；Described A glue is mixed with B glue
Close the preferred 100:85 of mass ratio；Described gluing combined temp controls at 45 DEG C, compound post curing temperature control
Make at 45 DEG C, 30 hours curing times.
3. the composite membrane of stable friction factor as claimed in claim 1, it is characterised in that: institute
State the product that model is C5908 that ternary polymerized polypropylene is preferably produced by Yanshan Petrochemical company.
4. the composite membrane of stable friction factor as claimed in claim 1, it is characterised in that: institute
Stating the opening agent model preferably by the production of precious Leadd B.V of France is ABPP10S, and unit content is
The product of 10000ppm.
5. the composite membrane of stable friction factor as claimed in claim 1, it is characterised in that: institute
Stating the slipping agent model preferably by the production of Beijing Aaron company is SLPP-7, and unit content is 7000ppm
Product.
6. the composite membrane of stable friction factor as claimed in claim 1, it is characterised in that: institute
Stating the model that HOPP preferably produces by Sinopec Yangzi Petrochemical Co is FC801CX
Product.
7. the composite membrane of stable friction factor as claimed in claim 1, it is characterised in that: institute
Stating bidirectional stretching polypropylene film is the Biaxially oriented polypropylene print film obtained through printing treatment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177111.9A CN105835501B (en) | 2016-03-23 | 2016-03-23 | A kind of composite membrane of stable friction factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177111.9A CN105835501B (en) | 2016-03-23 | 2016-03-23 | A kind of composite membrane of stable friction factor |
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| Publication Number | Publication Date |
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| CN105835501A true CN105835501A (en) | 2016-08-10 |
| CN105835501B CN105835501B (en) | 2018-01-30 |
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| CN201610177111.9A Active CN105835501B (en) | 2016-03-23 | 2016-03-23 | A kind of composite membrane of stable friction factor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114015209A (en) * | 2021-11-26 | 2022-02-08 | 凉山瑞禾新材料有限公司 | Slag micro powder enhanced PET plastic steel binding belt and preparation method thereof |
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| CN101665172A (en) * | 2009-09-04 | 2010-03-10 | 浙江大东南包装股份有限公司 | Packaging film of CPP agricultural product with ultra-low temperature heat sealing and high fastness and preparation method thereof |
| CN103738032A (en) * | 2013-12-27 | 2014-04-23 | 宁波瑞成包装材料有限公司 | Preparation method of three-layer coextrusion high-hardness laser polypropylene film |
| CN104015448A (en) * | 2014-06-11 | 2014-09-03 | 永新股份（黄山）包装有限公司 | Casting polypropylene film with controllable friction coefficient and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367280A (en) * | 2008-07-22 | 2009-02-18 | 黄山永新股份有限公司 | Antifreezing speed-sealing film and preparation method thereof |
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| CN114015209A (en) * | 2021-11-26 | 2022-02-08 | 凉山瑞禾新材料有限公司 | Slag micro powder enhanced PET plastic steel binding belt and preparation method thereof |
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| CN105835501B (en) | 2018-01-30 |
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