CN201587630U - Extinction blocking five-layer coextruded composite film - Google Patents
Extinction blocking five-layer coextruded composite film Download PDFInfo
- Publication number
- CN201587630U CN201587630U CN2009203168297U CN200920316829U CN201587630U CN 201587630 U CN201587630 U CN 201587630U CN 2009203168297 U CN2009203168297 U CN 2009203168297U CN 200920316829 U CN200920316829 U CN 200920316829U CN 201587630 U CN201587630 U CN 201587630U
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- delustring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility mode relates to an extinction blocking five-layer coextruded composite film, which is characterized by comprising a composite film structure coextruded from an extinction layer, an adhesive layer A, a blocking layer, an adhesive layer B and a hot seal layer. The extinction layer is formed by resin containing polyolefine and resin containing extinctive olefins, the adhesive layer A and the adhesive layer B are hot adhesive composite layers made of polymeric adhesive resin, the blocking layer is a blocking characterized layer made of high blocking character resin, and the hot seal layer is made of polyolefine resin. The extinction blocking five-layer coextruded composite film has the advantages of high strength, fine ductility, fine low-temperature hot sealing performance and visual extinction effect, enhanced blocking capacity, capabilities of prolonging shelf life and quarantine of foods and eliminating residual solvent harmful substances of products, no harmful substance generation during the whole production process, no environment pollution, recyclable used products for producing other plastic products, and capability of saving precious oil resource.
Description
Technical field
The utility model belongs to flexible packaging film material manufacture technical field, particularly relates to a kind of delustring and intercepts the five-layer co-squeezing complex film.
Background technology
At present, the matt film based article is mostly, and to be the main body base material with BOPP, BOPET be mixed and become the plastics Extinctive thin film goods material of diffuser reflection extinction effect by a kind of low gloss of casting technique production, high mist degree with having the extinction resin raw material, is used for packing and the printing paper of large-scale outdoor advertising and the front cover of hard-cover books of luxury food, gift, candy etc.Owing to is main body base material matt film with BOPP, BOPET, the fragility height of its goods, heat-sealing temperature height, tear resistance is not good enough, and needs the secondary processing production link of dry type combination process.Secondary processing not only can cause goods that the dissolvent residual phenomenon is arranged, and be easy to generate environmental pollution in process of production and be detrimental to health, the potential safety hazard that employed diluent causes can't thoroughly be eliminated, and therefore, above-mentioned secondary processing also is the technology that advanced country eliminates.
Summary of the invention
The utility model provides a kind of and has delustring or matt effect and high barrier for solving the technical matters that exists in the known technology, and the delustring that is used for flexible packagings such as luxury food, civil goods, industrial goods that possesses performances such as surface printing intercepts the five-layer co-squeezing complex film.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: delustring intercepts the five-layer co-squeezing complex film, it is characterized in that: it comprises that the five-layer co-squeezing of delustring layer, bonding coat A, barrier layer, bonding coat B and hot sealing layer goes out structure of composite membrane, wherein:
Described delustring layer is the delustring layer that contains polyolefin resin and extinction olefine kind resin formation;
Described bonding coat A binds the glutinous composite bed of heat that resin constitutes for adopting polymer electrolyte;
The barrier properties layer of described barrier layer for adopting the high-barrier characteristic resin to constitute;
Described bonding coat B binds the glutinous composite bed of heat that resin constitutes for adopting polymer electrolyte;
The hot sealing layer of described hot sealing layer for adopting polyolefin resin to constitute.
The utility model can also adopt following technical scheme:
The gross thickness of described complex film is the 50-120 micron.
The gross thickness of described delustring layer, barrier layer and hot sealing layer is greater than 60% of complex film gross thickness, the gross thickness of described bonding coat A and bonding coat B is less than 40% of complex film gross thickness, wherein the thickness of delustring layer, barrier layer and hot sealing layer is equal thickness, the thickness of bonding coat A and bonding coat B is equal thickness and carries out its thickness setting to reach compound cohesive force index that the thickness range of bonding coat A and bonding coat B is the 10-15 micron.
The gross thickness of described delustring layer, barrier layer and hot sealing layer is more than or equal to 60% of complex film gross thickness, the gross thickness of described bonding coat A and bonding coat B is less than 40% of complex film gross thickness, wherein the thickness of delustring layer, barrier layer and hot sealing layer is non-equal thickness, barrier layer thickness scope is the 10-15 micron, delustring layer thickness scope is the 10-30 micron, and the hot sealing layer thickness range is the 10-45 micron.The thickness of bonding coat A and bonding coat B carries out its thickness setting to reach compound cohesive force index, and bonding coat A and bonding coat B thickness range are the 10-15 micron.
Advantage and the good effect that the utlity model has are: because the utility model adopts technique scheme, make the vertical, horizontal mechanical property of membrane product even, performances such as elasticity, tear resistance all are better than the BOPP matt film.It is good that the five-layer co-squeezing complex film has intensity height, good toughness, low-temperature heat-sealing and a vision extinction effect, increased the barrier function than in the past matt film, and then prolonged the shelf life and the shelf-life of food.In addition, the five-layer co-squeezing complex film has substituted the complex film that the dry type combination process that contains glue and dilution is made with matting resin, polyolefin resin, high barrier resin with the flexible packaging co-extrusion film of the multi-layer co-extruded production technology moulding of extrusion-blown modling, the health and the environmental-protecting performance of composite soft packaging goods have not only been promoted greatly, eliminate the dry type combined producing tech pollution and the product of environment had the residual solvent objectionable impurities, and shortened manufacturing link.All production process uses circulating water and electric energy heating, can not produce any objectionable impurities, non-environmental-pollution.Product after the use can all reclaim makes other plastic product, has saved valuable oil resources.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2.
Among the figure: 1, delustring layer; 2, bonding coat A; 3, barrier layer; 4, bonding coat B; 5, hot sealing layer.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1, embodiment 1, delustring intercepts the five-layer co-squeezing complex film, and it comprises the five-layer co-squeezing structure of composite membrane of delustring layer, bonding coat A, barrier layer, bonding coat B and hot sealing layer, and wherein: described delustring layer 1 is for containing the delustring layer that polyolefin resin and extinction olefine kind resin constitute; Described bonding coat A2 binds the glutinous composite bed of heat that resin constitutes for adopting polymer electrolyte; The barrier properties layer of described barrier layer 3 for adopting the high-barrier characteristic resin to constitute; Described bonding coat B4 binds the glutinous composite bed of heat that resin constitutes for adopting polymer electrolyte; The hot sealing layer of described hot sealing layer 5 for adopting polyolefin resin to constitute.Described five-layer co-squeezing complex film enters the five-layer co-squeezing die head by five extruders respectively through the prescription mixed material, the five-layer co-squeezing structure of composite membrane that open through extruding, blowing, traction forms delustring layer, bonding coat, barrier layer, bonding coat, hot sealing layer, wherein delustring layer 1 is the delustering functions layer and the table die functional layer of goods, bonding coat 2A is the bonding coat of delustring layer 1 and barrier layer 3, barrier layer 3 is the high obstructing performance functional layer of membrane product, bonding coat 4 is the bonding coat of barrier layer 3 and hot sealing layer 5, and hot sealing layer 5 is the heat-sealing functional layer of membrane product.
The gross thickness that described delustring intercepts the five-layer co-squeezing complex film is the 50-120 micron, the thickness of delustring layer 1, bonding coat A2, barrier layer 3, bonding coat B4, hot sealing layer 5 is according to the combined strength bination between film article characteristic and the layer, in the present embodiment, wherein the gross thickness of delustring layer 1, barrier layer 3 and hot sealing layer 5 is greater than 60% of complex film gross thickness, the thickness of delustring layer, barrier layer and each layer of hot sealing layer is equal thickness, and the gross thickness of delustring layer 1, barrier layer 3 and hot sealing layer 5 is the 30-90 micron.The gross thickness of described bonding coat 2A and bonding coat 4B is less than 40% of complex film gross thickness, the thickness of bonding coat 2A and bonding coat 4B is equal thickness and carries out its thickness setting to reach compound cohesive force index that the thickness range of bonding coat 2A and bonding coat 4B is the 10-15 micron.According to above-mentioned batching, the material of delustring layer, bonding coat A2, barrier layer, bonding coat B4, hot sealing layer respectively through the fusion of five extruders, plastify, be expressed into five-layer co-squeezing die head conveyor screw and continue plasticizing, by round mouthful of mould coextrusion, extrude compound tubular membrane pipe from round mouthful of mould, the pressurized air that the film Guan Zaimo heart blows into propels the price of carries out cross directional stretch, simultaneously through the air cooling of annular tuyere and vertical drawing-off of going up the haulage clip rod, by after cutting edge the film tube being formed monolithic membrane, check back rolling on spool.
See also Fig. 2, embodiment 2, delustring intercepts the five-layer co-squeezing complex film, and it comprises that the five-layer co-squeezing of delustring layer, bonding coat A, barrier layer, bonding coat B and hot sealing layer goes out structure of composite membrane, and wherein: described delustring layer 1 is for containing the delustring layer that polyolefin resin and extinction olefine kind resin constitute; Described bonding coat A2 binds the glutinous composite bed of heat that resin constitutes for adopting polymer electrolyte; The barrier properties layer of described barrier layer 3 for adopting the high-barrier characteristic resin to constitute; Described bonding coat B4 binds the glutinous composite bed of heat that resin constitutes for adopting polymer electrolyte; The hot sealing layer of described hot sealing layer 5 for adopting polyolefin resin to constitute.Described five-layer co-squeezing complex film enters the five-layer co-squeezing die head by five extruders respectively through the prescription mixed material, the delustring that open through extruding, blowing, traction forms delustring layer, bonding coat, barrier layer, bonding coat, hot sealing layer intercepts five-layer co-squeezing and goes out structure of composite membrane, wherein delustring layer 1 is the delustering functions layer and the table die functional layer of goods, bonding coat 2A is the bonding coat of delustring layer 1 and barrier layer 3, barrier layer 3 is the high obstructing performance functional layer of membrane product, bonding coat 4 is the bonding coat of barrier layer 3 and hot sealing layer 5, and hot sealing layer 5 is the heat-sealing functional layer of membrane product.The gross thickness that described delustring intercepts the five-layer co-squeezing complex film is the 50-120 micron, delustring layer 1, bonding coat A2, barrier layer 3, bonding coat B4, the thickness of hot sealing layer 5 is according to the combined strength bination between film article characteristic and the layer, wherein the delustring layer 1, the gross thickness of barrier layer 3 and hot sealing layer 5 is greater than 60% of the complex film gross thickness, in the present embodiment, the delustring layer, the thickness of barrier layer and each layer of hot sealing layer is non-equal thickness, delustring layer 1, the gross thickness of barrier layer 3 and hot sealing layer 5 is the 30-90 micron, wherein delustring layer thickness scope is the 10-30 micron, barrier layer thickness scope is the 10-15 micron, and the hot sealing layer thickness range is the 10-45 micron.In the present embodiment, the gross thickness of described bonding coat 2A and bonding coat 4B is less than 40% of complex film gross thickness, and the gross thickness of bonding coat 2A and bonding coat 4B is the 20-30 micron; The thickness of bonding coat 2A and bonding coat 4B is equal thickness, and the thickness range of bonding coat A and bonding coat B is the 10-15 micron.According to above-mentioned batching, the material of delustring layer, bonding coat, barrier layer, bonding coat, hot sealing layer respectively through the fusion of five extruders, plastify, be expressed into five-layer co-squeezing die head conveyor screw and continue plasticizing, by round mouthful of mould coextrusion, extrude compound tubular membrane pipe from round mouthful of mould, the pressurized air that the film Guan Zaimo heart blows into propels the price of carries out cross directional stretch, simultaneously through the air cooling of annular tuyere and vertical drawing-off of going up the haulage clip rod, by after cutting edge the film tube being formed monolithic membrane, check back rolling on spool.
Claims (4)
1. a delustring intercepts the five-layer co-squeezing complex film, and it is characterized in that: it comprises that the five-layer co-squeezing of delustring layer, bonding coat A, barrier layer, bonding coat B and hot sealing layer goes out structure of composite membrane, wherein:
Described delustring layer is the delustring layer that contains polyolefin resin and extinction olefine kind resin formation;
Described bonding coat A binds the glutinous composite bed of heat that resin constitutes for adopting polymer electrolyte;
The barrier properties layer of described barrier layer for adopting the high-barrier characteristic resin to constitute;
Described bonding coat B binds the glutinous composite bed of heat that resin constitutes for adopting polymer electrolyte;
The hot sealing layer of described hot sealing layer for adopting polyolefin resin to constitute.
2. delustring according to claim 1 intercepts the five-layer co-squeezing complex film, it is characterized in that: the gross thickness that described delustring intercepts the five-layer co-squeezing complex film is the 50-120 micron.
3. delustring according to claim 1 intercepts the five-layer co-squeezing complex film, it is characterized in that: the gross thickness of described delustring layer, barrier layer and hot sealing layer is greater than 60% of complex film gross thickness, the gross thickness of described bonding coat A and bonding coat B is less than 40% of complex film gross thickness, wherein the thickness of delustring layer, barrier layer and hot sealing layer is equal thickness, the thickness of bonding coat A and bonding coat B is equal thickness, and bonding coat A and bonding coat B thickness respectively are the 10-15 micron.
4. delustring according to claim 1 intercepts the five-layer co-squeezing complex film, it is characterized in that: the gross thickness of described delustring layer, barrier layer and hot sealing layer is more than or equal to 60% of complex film gross thickness, the gross thickness of described bonding coat A and bonding coat B is less than 40% of complex film gross thickness, wherein the thickness of delustring layer, barrier layer and hot sealing layer is non-equal thickness, barrier layer thickness scope is the 10-15 micron, delustring layer thickness scope is the 10-30 micron, the hot sealing layer thickness range is the 10-45 micron, and bonding coat A and bonding coat B thickness range are the 10-15 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203168297U CN201587630U (en) | 2009-12-09 | 2009-12-09 | Extinction blocking five-layer coextruded composite film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203168297U CN201587630U (en) | 2009-12-09 | 2009-12-09 | Extinction blocking five-layer coextruded composite film |
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| CN201587630U true CN201587630U (en) | 2010-09-22 |
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| CN2009203168297U Expired - Fee Related CN201587630U (en) | 2009-12-09 | 2009-12-09 | Extinction blocking five-layer coextruded composite film |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495066A (en) * | 2014-11-24 | 2015-04-08 | 陈伟群 | Sealing film suitable for low temperature sealing |
| CN107614393A (en) * | 2015-06-03 | 2018-01-19 | 宝理塑料株式会社 | Low absorbability packaging bag |
| CN109278388A (en) * | 2018-09-30 | 2019-01-29 | 安徽国风塑业股份有限公司 | A kind of extinction type high-barrier Biaxially oriented polypropylene cold seal basement membrane and preparation method thereof |
| CN109278387A (en) * | 2018-09-30 | 2019-01-29 | 安徽国风塑业股份有限公司 | A kind of high-barrier heat-sealing type BOPP matt film and preparation method thereof |
| CN113400612A (en) * | 2021-06-21 | 2021-09-17 | 天津新兴东方临近空间航天科技有限公司 | Fluororesin-based good-stability multilayer co-extrusion film production process |
-
2009
- 2009-12-09 CN CN2009203168297U patent/CN201587630U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495066A (en) * | 2014-11-24 | 2015-04-08 | 陈伟群 | Sealing film suitable for low temperature sealing |
| CN107614393A (en) * | 2015-06-03 | 2018-01-19 | 宝理塑料株式会社 | Low absorbability packaging bag |
| CN109278388A (en) * | 2018-09-30 | 2019-01-29 | 安徽国风塑业股份有限公司 | A kind of extinction type high-barrier Biaxially oriented polypropylene cold seal basement membrane and preparation method thereof |
| CN109278387A (en) * | 2018-09-30 | 2019-01-29 | 安徽国风塑业股份有限公司 | A kind of high-barrier heat-sealing type BOPP matt film and preparation method thereof |
| CN109278388B (en) * | 2018-09-30 | 2021-06-22 | 安徽国风塑业股份有限公司 | Extinction type high-barrier biaxially-oriented polypropylene cold-seal base film and preparation method thereof |
| CN113400612A (en) * | 2021-06-21 | 2021-09-17 | 天津新兴东方临近空间航天科技有限公司 | Fluororesin-based good-stability multilayer co-extrusion film production process |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20121209 |