CN105835501B - A kind of composite membrane of stable friction factor - Google Patents
A kind of composite membrane of stable friction factor Download PDFInfo
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- CN105835501B CN105835501B CN201610177111.9A CN201610177111A CN105835501B CN 105835501 B CN105835501 B CN 105835501B CN 201610177111 A CN201610177111 A CN 201610177111A CN 105835501 B CN105835501 B CN 105835501B
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- composite membrane
- polypropylene film
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- friction factor
- glue
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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 present invention relates to a kind of composite membrane of stable friction factor.The composite membrane includes polypropylene film, bidirectional stretching polypropylene film, and by adjusting the formula of polypropylene film, the polypropylene film, bidirectional stretching polypropylene film are prepared into the composite membrane by solvent-free combination process.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 products.The preparation of composite membrane of the present invention, it is more environmentally-friendly without solvent, further ensure the security of packaging for foodstuff;And compared to traditional film obtained by solvent-borne type combination process, fast more than 1 times of speed of production, production efficiency greatly improves.
Description
Technical field
The invention belongs to packing film production technical field, is specifically related to a kind of the compound thin of stable friction factor
Film.
Background technology
With economic and society development, people more and more pay close attention to the safety of food, the requirement to food pack
More and more higher, food pack have become a very important governing factor of food security, how to produce a kind of high resistant
Every, sealing intensity is good, high combined strength bination, safety asepsis food pack seem very urgent;Moreover, the environmental protection meaning of people
Knowledge is more and more stronger, how to ensure that food pack production process is more environmentally-friendly, while and can improves constantly the peace of food pack
Full property and high barrier, turn into flexible package development trend.
The dry skill of returning to work of existing solvent-borne type can be applied to a variety of compound film base materials such as plastics, paper and metallic aluminium etc., now should be
With a kind of most wide combination process.In China, food pack is essentially all to be given birth to using solvent-borne type composite dry process
Production, it is all many-sided in the presence of certain influence, especially problem of solvent residual in energy charge, environmental protection and health etc., to ring
Border, food security all cause certain harm.
In addition, different packaging facilities has different requirements to packing film material, with the automation of product packaging, one
Packing film material is needed to drive packaged product during a little manufacturer production products, ordinary packing film can not meet equipment need
Ask, for example coefficient of friction of the common CPP/BOPP packing films after the compound curing of the dry multiple technique productions of solvent-borne type is unstable,
Coefficient of friction is higher, wound membrane adhesion, walks that film is not smooth, and coefficient of friction is relatively low, skids when transporting product, is easily run in packaging process
Partially, it is unfavorable for the requirement that high-speed packaging device is packed automatically.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of composite membrane of stable friction factor.
In order to realize the purpose of the present invention, present invention employs following technical scheme:
A kind of composite membrane of stable friction factor, including polypropylene film, bidirectional stretching polypropylene film, its feature
It is:The polypropylene film is made up of hot sealing layer, packed layer, corona layer;The hot sealing layer includes ternary polymerized polypropylene, opened
Mouth agent, slipping agent, the ternary polymerized polypropylene, opening agent, the mass ratio of slipping agent are (99-101):(0.7-0.9):
(0.5-0.7);The packed layer, corona layer are formed by HOPP, and HOPP is equal in the packed layer, corona layer
It is respectively (99-101) with the mass ratio of the ternary polymerized polypropylene:(99-101);The hot sealing layer, packed layer, corona layer
Thickness ratio be (23-24):(59-61):(16-17);The composite membrane is by the polypropylene film, biaxial stretching polypropylene
Alkene film carries out compound curing by solvent-free adhesive and obtained;The solvent-free adhesive selection is produced by Henkel KGaA company
The A glue of model 7723 and the B glue of model 6029 form, the mixing quality ratio of the A glue and B glue is
(98-102):(84-86), spread control is in 1.5-1.8g/m in the recombination process2, the solvent-free adhesive, which mixes, to be added
Work temperature control is at 42-45 DEG C, and at 44-46 DEG C, compound post curing temperature control is ripe at 44-46 DEG C for gluing combined temp control
Change hour time 28-32.
Further technical scheme, the ternary polymerized polypropylene, opening agent, the mass ratio preferably 100 of slipping agent:0.8:
0.6;The hot sealing layer, packed layer, the thickness ratio preferably 23.3 of corona layer:60:16.7;The mixing matter of the A glue and B glue
Measure ratio preferably 100:85;The gluing combined temp control is at 45 DEG C, and compound post curing temperature control is at 45 DEG C, the curing time 30
Hour.
Further technical scheme, the model that the ternary polymerized polypropylene is preferably produced by Yanshan Petrochemical company
C5908 product.
Further technical scheme, the opening agent are single preferably by the model ABPP10S of the precious Leadd B.V's production of France
The product that position content is 10000ppm.
Further technical scheme, the model SLPP-7 that the slipping agent is preferably produced by Beijing Aaron company, unit
Content is 7000ppm product.
Further technical scheme, the HOPP are preferably produced by Sinopec Yangzi Petrochemical Co
Model FC801MX product.
Further technical scheme, the bidirectional stretching polypropylene film are that the biaxial tension obtained by printing treatment gathers
Propylene print film.
The beneficial effects of the present invention are:
(1) present invention is to the formula of polypropylene film (CPP) by being adjusted, improve polypropylene film (CPP) with
Bidirectional stretching polypropylene film (BOPP) carries out compound adaptability and combined strength bination by solvent-free binding agent, using without molten
Agent combination process so that by polypropylene film and bidirectional stretching polypropylene film stablize it is compound after obtained composite membrane performance
It is good, stable friction factor, it disclosure satisfy that the requirement of the High-Speed Automatic packaging of some products.The present invention is obtained using solvent-free combination process
It is more environmentally-friendly without solvent to the composite membrane, further ensure the security of packaging for foodstuff;And compared to tradition
The film obtained by solvent-borne type combination process, fast more than 1 times of speed of production, production efficiency greatly improves.
(2) model that heretofore described HOPP is preferably produced by Sinopec Yangzi Petrochemical Co
For FC801MX product.The product is common HOPP material, and the corona layer as CPP films uses, and the product is in electricity
Molecular link easy fracture under impacting with high pressure during dizzy, is easily combined with the oxygen atom after ionization, has wetting tension persistently, stably
Characteristic, provide good coating performance for the stripping of follow-up combination process.The other product makes as the packed layer of CPP films
Same pellet is shared with, corona layer, packed layer two layers, and pellet between layers has preferably blending integration, for material
The fitting of material and the stabilization of coefficient of friction have vital effect.
(3) production for the model C5908 that heretofore described ternary polymerized polypropylene is preferably produced by Yanshan Petrochemical company
Product, the product are ethene, the copolymer of three kinds of monomers of propylene and butylene, and without slipping agent, small molecule separates out stable after processing, right
There is good control action in the control of coefficient of friction, while envelope is played in 112 DEG C or so cans of low temperature, reach 120 DEG C of heat-sealings
Intensity just reaches normal, disclosure satisfy that the requirement of client's low-temperature heat-sealing.The opening agent is preferably produced by precious Leadd B.V of France
Model ABPP10S, unit content is 10000ppm product, and the addition of the product can ensure that composite membrane product seals
There is good opening performance after mouthful, be advantageous to meet the needs of high-speed filling and packaging product.The slipping agent is preferably by north
Capital Aaron company production model SLPP-7, unit content be 7000ppm product, the product be added to ensure it is compound
Film is not in big fisheye and spot in processing, beneficial to stabilized product quality.The hot sealing layer, packed layer, corona layer
Three layers of thickness ratio selection 23.3:60:16.7, the thickness proportion of hot sealing layer can make composite membrane in relatively low heat-sealing temperature
Or obtain higher heat seal strength during higher packaging speed.It is found through experiments that and is obtained by product F C801MX and products C 5908
CPP films have more preferable adaptability to solvent-free combination process, also there is more preferable adhesion strength with BOPP film in addition,
Relatively good peeling effect can be obtained in high speed compound between BOPP/CPP.
Embodiment
More specific detail is made to technical solution of the present invention with reference to embodiment:
Embodiment 1
CPP/BOPP composite membranes, including polypropylene film, bidirectional stretching polypropylene film, the polypropylene film by
Hot sealing layer, packed layer, corona layer composition;The hot sealing layer includes ternary polymerized polypropylene, opening agent, slipping agent, the ternary
COPP, opening agent, the mass ratio of slipping agent are 99:0.9:0.5;The packed layer, corona layer are by HOPP
Form, HOPP is respectively 99 with the mass ratio of the ternary polymerized polypropylene in the packed layer, corona layer:101;
The hot sealing layer, packed layer, the thickness ratio of corona layer are 23:59:16;The composite membrane is by the polypropylene film, double
Compound curing is carried out to stretched polypropene film by solvent-free adhesive to obtain;The bidirectional stretching polypropylene film is process
The Biaxially oriented polypropylene print film that printing treatment obtains;The type that the solvent-free adhesive selection is produced by Henkel KGaA company
Number formed for 7723 A glue and the B glue of model 6029, the mixing quality ratio of the A glue and B glue is 98:86,
Spread control is in 1.5g/m in the recombination process2, the solvent-free adhesive hybrid process temperature control is at 42 DEG C, gluing
Combined temp is controlled at 44 DEG C, and compound post curing temperature control is at 46 DEG C, 28 hours curing times.
The ternary polymerized polypropylene is the model C5908 of Yanshan Petrochemical company production product.
The opening agent is the model ABPP10S of the precious Leadd B.V's production of France, and unit content is 10000ppm production
Product.
The slipping agent is the model SLPP-7 of Beijing Aaron company production, and unit content is 7000ppm product.
The HOPP is the model FC801MX of Sinopec Yangzi Petrochemical Co's production production
Product.
Embodiment 2
CPP/BOPP composite membranes, including polypropylene film, bidirectional stretching polypropylene film, the polypropylene film by
Hot sealing layer, packed layer, corona layer composition;The hot sealing layer includes ternary polymerized polypropylene, opening agent, slipping agent, the ternary
COPP, opening agent, the mass ratio of slipping agent are 101:0.7:0.7;The packed layer, corona layer are by HOPP
Form, HOPP is respectively 101 with the mass ratio of the ternary polymerized polypropylene in the packed layer, corona layer:99;
The hot sealing layer, packed layer, the thickness ratio of corona layer are 24:61:17;The composite membrane is by the polypropylene film, double
Compound curing is carried out to stretched polypropene film by solvent-free adhesive to obtain;The bidirectional stretching polypropylene film is process
The Biaxially oriented polypropylene print film that printing treatment obtains;The type that the solvent-free adhesive selection is produced by Henkel KGaA company
Number formed for 7723 A glue and the B glue of model 6029, the mixing quality ratio of the A glue and B glue is 102:
84, spread control is in 1.8g/m in the recombination process2, the solvent-free adhesive hybrid process temperature control at 45 DEG C,
Combined temp control is glued at 46 DEG C, compound post curing temperature control is at 44 DEG C, 32 hours curing times.
The ternary polymerized polypropylene is the model C5908 of Yanshan Petrochemical company production product.
The opening agent is the model ABPP10S of the precious Leadd B.V's production of France, and unit content is 10000ppm production
Product.
The slipping agent is the model SLPP-7 of Beijing Aaron company production, and unit content is 7000ppm product.
The HOPP is the model FC801MX of Sinopec Yangzi Petrochemical Co's production production
Product.
Embodiment 3
CPP/BOPP composite membranes, including polypropylene film, bidirectional stretching polypropylene film, the polypropylene film by
Hot sealing layer, packed layer, corona layer composition;The hot sealing layer includes ternary polymerized polypropylene, opening agent, slipping agent, the ternary
COPP, opening agent, the mass ratio of slipping agent are 100:0.8:0.6;The packed layer, corona layer are by HOPP
Form, HOPP is respectively 100 with the mass ratio of the ternary polymerized polypropylene in the packed layer, corona layer:
100;The hot sealing layer, packed layer, the thickness ratio of corona layer are 23.3:60:16.7;The composite membrane is by the polypropylene
Film, bidirectional stretching polypropylene film carry out compound curing by solvent-free adhesive and obtained;The Biaxially oriented polypropylene is thin
Film is the Biaxially oriented polypropylene print film obtained by printing treatment;The solvent-free adhesive selection is by Henkel KGaA company
The A glue of the model 7723 of production and the B glue of model 6029 are formed, the mixing quality ratio of the A glue and B glue
For 100:85, spread control is in 1.6g/m in the recombination process2, the solvent-free adhesive hybrid process temperature control exists
43 DEG C, gluing combined temp control is at 45 DEG C, and compound post curing temperature control is at 45 DEG C, 30 hours curing times.
The ternary polymerized polypropylene is the model C5908 of Yanshan Petrochemical company production product.
The opening agent is the model ABPP10S of the precious Leadd B.V's production of France, and unit content is 10000ppm production
Product.
The slipping agent is the model SLPP-7 of Beijing Aaron company production, and unit content is 7000ppm product.
The HOPP is the model FC801MX of Sinopec Yangzi Petrochemical Co's production production
Product.
The performance parameter of following table CPP/BOPP composite membranes described in three groups of embodiments for more than:
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 membranes performance of the present invention is good, stable friction factor, disclosure satisfy that some
The requirement of the High-Speed Automatic packaging of product;Other combined strength bination is improved compared to Traditional Packing film.
Claims (7)
1. a kind of composite membrane of stable friction factor, including polypropylene film, bidirectional stretching polypropylene film, its feature exist
In:The polypropylene film is made up of hot sealing layer, packed layer, corona layer;The hot sealing layer includes ternary polymerized polypropylene, opening
Agent, slipping agent, the ternary polymerized polypropylene, opening agent, the mass ratio of slipping agent are (99-101):(0.7-0.9):(0.5-
0.7);The packed layer, corona layer are formed by HOPP, and HOPP is respectively in the packed layer, corona layer
Mass ratio with the ternary polymerized polypropylene is (99-101):(99-101);The hot sealing layer, packed layer, the thickness of corona layer
It is (23-24) to spend ratio:(59-61):(16-17);The composite membrane is thin by the polypropylene film, Biaxially oriented polypropylene
Film carries out compound curing by solvent-free adhesive and obtained;The type that the solvent-free adhesive selection is produced by Henkel KGaA company
Number formed for 7723 A glue and the B glue of model 6029, the mixing quality ratio of the A glue and B glue is (98-
102):(84-86), spread control is in 1.5-1.8g/m in the recombination process2, the solvent-free adhesive hybrid process temperature
Degree control is at 42-45 DEG C, and gluing combined temp control is at 44-46 DEG C, and compound post curing temperature control is at 44-46 DEG C, curing
Between 28-32 hours.
2. the composite membrane of stable friction factor as claimed in claim 1, it is characterised in that:The ternary polymerization poly- third
Alkene, opening agent, the mass ratio preferably 100 of slipping agent:0.8:0.6;The hot sealing layer, packed layer, the thickness ratio of corona layer are preferred
23.3:60:16.7;The mixing quality ratio preferably 100 of the A glue and B glue:85;The gluing combined temp control is 45
DEG C, compound post curing temperature control is 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:The ternary polymerized polypropylene
It is preferred that the model C5908 produced by Yanshan Petrochemical company product.
4. the composite membrane of stable friction factor as claimed in claim 1, it is characterised in that:The opening agent is preferably by method
The model ABPP10S of national treasure Leadd B.V production, unit content are 10000ppm product.
5. the composite membrane of stable friction factor as claimed in claim 1, it is characterised in that:The slipping agent is preferably by north
The model SLPP-7 of capital Aaron company production, unit content are 7000ppm product.
6. the composite membrane of stable friction factor as claimed in claim 1, it is characterised in that:The HOPP is preferred
By the model FC801MX of Sinopec Yangzi Petrochemical Co's production product.
7. the composite membrane of stable friction factor as claimed in claim 1, it is characterised in that:The Biaxially oriented polypropylene
Film is the Biaxially oriented polypropylene print film obtained by printing treatment.
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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 |
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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2016
- 2016-03-23 CN CN201610177111.9A patent/CN105835501B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101367281A (en) * | 2008-07-22 | 2009-02-18 | 黄山永新股份有限公司 | Low-temperature heat-sealing polypropylene film and preparation method thereof |
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 |
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 |
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