CN206826068U - A kind of packaging film of ultra-soft digestion resistant and packaging bag - Google Patents
A kind of packaging film of ultra-soft digestion resistant and packaging bag Download PDFInfo
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- CN206826068U CN206826068U CN201720548808.2U CN201720548808U CN206826068U CN 206826068 U CN206826068 U CN 206826068U CN 201720548808 U CN201720548808 U CN 201720548808U CN 206826068 U CN206826068 U CN 206826068U
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- soft
- digestion resistant
- atactic copolymerized
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Abstract
It the utility model is related to packaging film and the packaging bag of a kind of ultra-soft digestion resistant.The packaging film of the ultra-soft digestion resistant includes nylon film layer, adhesive layer and the polypropylene co-extrusion film layer set gradually from outside to inside, and polypropylene co-extrusion film layer includes atactic copolymerized polypropene corona layer, the intermediate layer of atactic copolymerized polypropene and elastomer blend composition and atactic copolymerized polypropene hot sealing layer.The packaging film of ultra-soft digestion resistant of the present utility model, nylon film layer coordinates polypropylene co-extrusion film layer to make packaging film on the basis of with good puncture resistance, tensile property and digestion resistant performance, improve cold resistance and shock resistance, so as to improve easily hardened existing for existing packaging film, embrittlement, the problem of leak rate is high, adaptability of the packaging film to external environment is improved, extends the shelf life of commodity.
Description
Technical field
It the utility model is related to Food Packaging technology field, and in particular to a kind of packaging film and bag of ultra-soft digestion resistant
Pack.
Background technology
Retort packaging is one of faster packaging classification of current development.Retort packaging bag, is commonly called as foods packed in carton containers, and it is the most
Outstanding feature be place for a long time at normal temperatures without occur it is putrid and deteriorated；Using also easily, can cold food again can heat boil.Mesh
Preceding resistance to retort pouch is mainly used in packing tinned food, prepared food etc., be also used in Japan, West Europe packaged beverage, fruit juice, mashed potatoes,
Cereal foods etc..As the improvement of people's living standards, security requirement more and more higher of the China to packaging for foodstuff.It is how effective
Extend the shelf-life of pack content, keeping the flavor and taste of content to greatest extent turns into asking for urgent need to resolve
Topic.
Authorization Notice No. is that CN203046387U patent discloses a kind of stretchable PVDC composite package films of resistance to boiling, by
It is interior to arrive outside successively by polypropylene film, first adhesive phase, PVDC film layers, second adhesive phase, nylon co-extrusion film layer, the Buddhist nun
Imperial co-extrusion film layer is made up of the layer of polypropylene foil of nylon film layer and nylon film layer upper and lower surface.The resistance to stretchable PVDC of boiling is answered
Packaging film is closed, 121 DEG C, 40min cooking disinfections is can tolerate, there is high obstructing performance and tensile strength.
Existing digestion resistant packaging film in extraneous environmental change, is easily hardened, sent out due to the limitation of packaging material
Crisp, leak rate is high, it is impossible to effectively extends the shelf life of commodity.
Utility model content
The purpose of this utility model is to provide a kind of packaging film of ultra-soft digestion resistant, so as to solve existing packaging
Easily hardened existing for film, embrittlement, the problem of leak rate is high.The utility model provides a kind of bag of ultra-soft digestion resistant simultaneously
Pack.
To achieve the above object, technical scheme used by a kind of packaging film of ultra-soft digestion resistant of the present utility model
It is：
A kind of packaging film of ultra-soft digestion resistant, including set gradually from outside to inside nylon film layer, adhesive layer and poly-
Propylene co-extrusion film layer, polypropylene co-extrusion film layer are total to including atactic copolymerized polypropene corona layer, atactic copolymerized polypropene and elastomer
The intermediate layer of mixed thing composition and atactic copolymerized polypropene hot sealing layer.
The packaging film of ultra-soft digestion resistant of the present utility model, nylon film layer have high-strength tenacity and oxygen-barrier property
Can, cold resistance and heat resistance protrude, and can be used at -60~200 DEG C；Polypropylene co-extrusion film layer by corona layer, intermediate layer and
The material selection of hot sealing layer makes it have feel, water preventing ability and the shock resistance of softness；Nylon film layer coordinates polypropylene co-extrusion
Film layer makes packaging film improve cold resistance on the basis of with good puncture resistance, tensile property and digestion resistant performance
And shock resistance, so as to improve easily hardened existing for existing packaging film, embrittlement, the problem of leak rate is high, improve packaging
Film extends the shelf life of commodity to the adaptability of external environment.
The atactic copolymerized polypropene is the third fourth binary atactic copolymerized polypropene.
The thickness of the atactic copolymerized polypropene corona layer is 1-10 μm, and the thickness in intermediate layer is 35-65 μm, random copolymerization
The thickness of polypropylene thermal sealing is 10-25 μm.
The thickness of nylon film layer is 10-25 μm.Preferably, the outer surface of nylon film layer is also bonded with nylon diaphragm
Layer.
Adhesive used in the adhesive layer is polyurethane adhesive, and the thickness of adhesive layer is 2 μm.
Further, using above-mentioned optimum condition ultra-soft digestion resistant packaging film, simple in construction, cost is low, and
Packaging membrane material is pollution-free, and degradation property is good, and the long term guarantee quality suitable for pack content is fresh-keeping.
Technical scheme is used by the packaging bag of ultra-soft digestion resistant of the present utility model：
A kind of packaging bag of ultra-soft digestion resistant, by packaging film heat-sealing form, the packaging film include from outside to inside according to
Nylon film layer, adhesive layer and the polypropylene co-extrusion film layer of secondary setting, polypropylene co-extrusion film layer include atactic copolymerized polypropene corona
Layer, the intermediate layer of atactic copolymerized polypropene and elastomer blend composition and atactic copolymerized polypropene hot sealing layer.
The atactic copolymerized polypropene is the third fourth binary atactic copolymerized polypropene.
The thickness of the atactic copolymerized polypropene corona layer is 1-10 μm, and the thickness in intermediate layer is 35-65 μm, random copolymerization
The thickness of polypropylene thermal sealing is 10-25 μm.
Adhesive used in the adhesive layer is polyurethane adhesive, and the thickness of adhesive layer is 2 μm.
The packaging bag of ultra-soft digestion resistant of the present utility model, meeting the base of digestion resistant packaging bag basic performance
On plinth, there is the characteristics of ultra-soft, puncture resistant are strong, barrier property and shock resistance are good, improve packaging bag combination property and
Adaptability.
Brief description of the drawings
Fig. 1 is the structural representation of the packaging film of ultra-soft digestion resistant of the present utility model；
Fig. 2 is the structural representation of the packaging bag of ultra-soft digestion resistant of the present utility model.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of the packaging bag of ultra-soft digestion resistant of the present utility model, as depicted in figs. 1 and 2, by upper and lower
The packaging film 100 of setting seals into one end open structure, and packaging film 100 includes the first nylon film layer set gradually from outside to inside
1st, the first adhesive layer 10, the second nylon film layer 2, the second adhesive layer 11 and polypropylene co-extrusion film layer 3, polypropylene co-extrusion film layer 3 are wrapped
Include the third fourth binary atactic copolymerized polypropene corona layer 31 being connected with the second adhesive layer 11, the third fourth binary atactic copolymerized polypropene heat
Sealing 33 and the third fourth binary atactic copolymerized polypropene between corona layer, hot sealing layer and the centre of elastomer blend composition
Layer 32, corona layer, intermediate layer, the thickness of hot sealing layer are respectively 5 μm, 40 μm, 15 μm, and the thickness of the first nylon film layer is 15 μm,
The thickness of first adhesive layer is 2 μm, and the thickness of the second nylon film layer is 15 μm, and the thickness of the second adhesive layer is 2 μm.Adhesive layer institute
It is the steam-resistant environment-friendly type adhesive that meets food package film operating specification with adhesive.
The performance test results of the packaging bag of the ultra-soft digestion resistant (resistance to 135 DEG C of boilings) of the present embodiment are as shown in table 1,
Detection method is carried out with reference to GB/T 10004-2008, each detection project under 20 DEG C, 50%RH,
The performance test results of the packaging bag of the ultra-soft digestion resistant of table 1
, can be according to Different Package content in the other embodiment of the packaging bag of ultra-soft digestion resistant of the present utility model
Shelf life and packaging film performance requirement, be not provided with the first nylon film layer, the second nylon film layer, the thickness of polypropylene co-extrusion film layer
It can be adjusted as needed.
The packaging film of ultra-soft digestion resistant of the present utility model, the implementation with the packaging bag of above-mentioned ultra-soft digestion resistant
The structure of packaging film is identical in example, will not be described in detail herein.
Claims (10)
- A kind of 1. packaging film of ultra-soft digestion resistant, it is characterised in that including set gradually from outside to inside nylon film layer, glue Adhesion coating and polypropylene co-extrusion film layer, polypropylene co-extrusion film layer include atactic copolymerized polypropene corona layer, atactic copolymerized polypropene and The intermediate layer of elastomer blend composition and atactic copolymerized polypropene hot sealing layer.
- 2. the packaging film of ultra-soft digestion resistant as claimed in claim 1, it is characterised in that the atactic copolymerized polypropene is Third fourth binary atactic copolymerized polypropene.
- 3. the packaging film of ultra-soft digestion resistant as claimed in claim 1, it is characterised in that the atactic copolymerized polypropene electricity The thickness of dizzy layer is 1-10 μm, and the thickness in intermediate layer is 35-65 μm, and the thickness of atactic copolymerized polypropene hot sealing layer is 10-25 μm.
- 4. the packaging film of ultra-soft digestion resistant as claimed in claim 1, it is characterised in that the thickness of nylon film layer is 10- 25μm。
- 5. the packaging film of the ultra-soft digestion resistant as described in claim 1 or 4, it is characterised in that glue used in the adhesive layer Stick is polyurethane adhesive, and the thickness of adhesive layer is 2 μm.
- 6. a kind of packaging bag of ultra-soft digestion resistant, formed by packaging film heat-sealing, it is characterised in that the packaging film include by Outer nylon film layer, adhesive layer and the polypropylene co-extrusion film layer set gradually in, polypropylene co-extrusion film layer are gathered including random copolymerization Propylene corona layer, the intermediate layer of atactic copolymerized polypropene and elastomer blend composition and atactic copolymerized polypropene hot sealing layer.
- 7. the packaging bag of ultra-soft digestion resistant as claimed in claim 6, it is characterised in that the atactic copolymerized polypropene is Third fourth binary atactic copolymerized polypropene.
- 8. the packaging bag of ultra-soft digestion resistant as claimed in claim 6, it is characterised in that the atactic copolymerized polypropene electricity The thickness of dizzy layer is 1-10 μm, and the thickness in intermediate layer is 35-65 μm, and the thickness of atactic copolymerized polypropene hot sealing layer is 10-25 μm.
- 9. the packaging bag of ultra-soft digestion resistant as claimed in claim 6, it is characterised in that the thickness of nylon film layer is 10- 25μm。
- 10. the packaging bag of the ultra-soft digestion resistant as described in claim 6 or 9, it is characterised in that glue used in the adhesive layer Stick is polyurethane adhesive, and the thickness of adhesive layer is 2 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548808.2U CN206826068U (en) | 2017-05-17 | 2017-05-17 | A kind of packaging film of ultra-soft digestion resistant and packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548808.2U CN206826068U (en) | 2017-05-17 | 2017-05-17 | A kind of packaging film of ultra-soft digestion resistant and packaging bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206826068U true CN206826068U (en) | 2018-01-02 |
Family
ID=60771896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720548808.2U Expired - Fee Related CN206826068U (en) | 2017-05-17 | 2017-05-17 | A kind of packaging film of ultra-soft digestion resistant and packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206826068U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532175A (en) * | 2018-12-28 | 2019-03-29 | 大连盛林薄膜新材料有限公司 | A kind of half boiling film of oxygen absorption type cast polypropylene |
| CN110065284A (en) * | 2019-04-12 | 2019-07-30 | 黄山永新股份有限公司 | A kind of the thermophilic digestion packaging material and preparation method of cold-resistant tear-proof |
| CN111806015A (en) * | 2020-07-20 | 2020-10-23 | 山东齐鲁乙烯化工股份有限公司 | Polypropylene high-temperature easy-to-tear food packaging film and preparation method thereof |
-
2017
- 2017-05-17 CN CN201720548808.2U patent/CN206826068U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532175A (en) * | 2018-12-28 | 2019-03-29 | 大连盛林薄膜新材料有限公司 | A kind of half boiling film of oxygen absorption type cast polypropylene |
| CN110065284A (en) * | 2019-04-12 | 2019-07-30 | 黄山永新股份有限公司 | A kind of the thermophilic digestion packaging material and preparation method of cold-resistant tear-proof |
| CN111806015A (en) * | 2020-07-20 | 2020-10-23 | 山东齐鲁乙烯化工股份有限公司 | Polypropylene high-temperature easy-to-tear food packaging film and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 |