CN104786600A - Degradable food packaging film - Google Patents
Degradable food packaging film Download PDFInfo
- Publication number
- CN104786600A CN104786600A CN201510168325.5A CN201510168325A CN104786600A CN 104786600 A CN104786600 A CN 104786600A CN 201510168325 A CN201510168325 A CN 201510168325A CN 104786600 A CN104786600 A CN 104786600A
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- China
- Prior art keywords
- degradable
- layer
- food package
- package film
- degradable food
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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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
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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Abstract
The invention relates to a degradable food packaging film. The degradable food packaging film adopts a layered structure and sequentially comprises a photo-degradable protection layer (1), a printing layer (2), a printing base material layer (3) and a biodegradable heat-seal layer (4) from outside to inside, wherein the photo-degradable protection layer (1) is an alkene polymer added with a photosensitizer, a photosensitizer is added to the printing base material layer (3), the biodegradable heat-seal layer (4) is made of a natural high-polymer material, and the adjacent layers of the degradable food packaging film are hot-press bonded. The packaging film is simple in structure and environment-friendly, can be photo-degraded and biodegraded after used and abandoned and has very broad application prospect.
Description
Technical field
The present invention relates to packaging material for food application, particularly relate to a kind of degradable food package film.
Background technology
Along with the fast development of modern economy, the quickening of people's rhythm of life, social life forward judicial convenience, hygienization develop.The goods such as disposable foamed plastics lunch box, plastic packaging bag, plastic living articles for use enter daily life continually, bring many facilities to us.Because plastic products are not easy degraded after discarded, cause the phenomenon " white pollution " of urban environment severe contamination, very disruptive and the normal working and living condition destroying the ecosystem and the mankind.Plastic packing bag, as the main body of packaging for foodstuff, has also become one of pollution sources important in white pollution.
Along with consumer it is also proposed higher requirement for food pack, for the research of food package film also towards future developments such as nontoxic, environmental protections, wherein the research of degradable packaging film has also become its necessary stage developed.Although the degradability at present for packaging film there has also been some researchs, there is the packaging film that pure utilization derives from plant, vegeto-animal natural polymer is made, although the very environmental protection of this material, also degraded is easy to, but because this natural macromolecular material does not have thermoplasticity, there is processing difficulties, the shortcomings such as the resistance to water of film, intensity are not high, do not reach practical effect.
For this reason, be necessary to provide a kind of degradable packaging film, while ensureing that packaging film has excellent performance, can also be degradable after completing service life, reduce the pollution to environment.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of degradable food package film is provided, when ensureing that packaging film has good combination property, can also can be degraded by light or organisms after use is discarded, thus reaching the object of environmental protection.
For achieving the above object, the technical scheme taked of the present invention is as follows:
A kind of degradable food package film; it is characterized in that; described degradable food package film is layer structure; ecto-entad is followed successively by degradable protective layer (1), printed layers (2), printing element layer (3) and biodegradable hot sealing layer (4); described degradable protective layer (1) is for being added with the olefin polymer of sensitising agent; sensitising agent is added with in described printing element layer (3); described biodegradable hot sealing layer (4) is made up of natural macromolecular material, by being hot bonding between described degradable food package film adjacent layer.
Preferably, described sensitising agent is ferrocene or ferric stearate.
Preferably, described olefin polymer is high density polyethylene (HDPE), low density polyethylene (LDPE) or polypropylene.
Preferably, described printing element layer (3) is two-way stretching polyamide or Biaxially oriented polypropylene.
Preferably, described natural macromolecular material is cellulose or starch.
Preferably, the thickness of described degradable protective layer (1) is 10-30 micron, and the thickness of printing element layer (3) is 10-30 micron, and the thickness of biodegradable hot sealing layer (4) is 10-30 micron.
Beneficial effect of the present invention is as follows:
(1) existence of degradable protective layer (1) can protect the clear patterns of printed layers, colour-fast lastingly.
(2) in degradable protective layer (1) and printing element layer (3) due to the existence of sensitising agent, when packaging film is chronically exposed in sunlight, free radical initiating accident sequence can be produced through light-initiated and photochemical reaction, thus cause the light degradation of matrix polymer.
(3) biodegradable hot sealing layer (4) is made for natural macromolecular material, internal layer is the security requirement that natural polymer can meet packaging for foodstuff on the one hand, on the other hand because containing the ester group that can be degraded by microorganisms in natural polymer minor structure, can because of bacterial action, hydration and biodegradation occurs under natural environmental condition.
(4) every one deck of this degradable food package film is degradable by light, biology, does not pollute completely environment.
Accompanying drawing illustrates:
Fig. 1: the structural representation of a kind of degradable food package film in the present invention.
detailed description of the invention:
Below in conjunction with the drawings and specific embodiments, the invention will be described further.
Embodiment 1
As shown in Figure 1, a kind of degradable food package film, for layer structure, ecto-entad is followed successively by degradable protective layer (1), printed layers (2), printing element layer (3) and biodegradable hot sealing layer (4), described degradable protective layer (1) is for being added with the low density polyethylene (LDPE) of ferrocene, thickness is 10 microns, the main component of printed layers (2) is two-way stretching polyamide, the sensitising agent added is ferrocene, thickness is 10 microns, the main component cellulose of biodegradable hot sealing layer (3), thickness is 10 microns, by being hot bonding between described degradable food package film adjacent layer.
Embodiment 2
As shown in Figure 1, a kind of degradable food package film, for layer structure, ecto-entad is followed successively by degradable protective layer (1), printed layers (2), printing element layer (3) and biodegradable hot sealing layer (4), described degradable protective layer (1) is for being added with the high density polyethylene (HDPE) of ferric stearate, thickness is 20 microns, the main component of printed layers (2) is Biaxially oriented polypropylene, the sensitising agent added is ferric stearate, thickness is 20 microns, the main component cellulose of biodegradable hot sealing layer (3), thickness is 20 microns, by being hot bonding between described degradable food package film adjacent layer.
Embodiment 3
As shown in Figure 1, a kind of degradable food package film, for layer structure, ecto-entad is followed successively by degradable protective layer (1), printed layers (2), printing element layer (3) and biodegradable hot sealing layer (4), described degradable protective layer (1) is for being added with the polypropylene of ferric stearate, thickness is 30 microns, the main component of printed layers (2) is Biaxially oriented polypropylene, the sensitising agent added is ferric stearate, thickness is 30 microns, the main component starch of biodegradable hot sealing layer (3), thickness is 30 microns, by being hot bonding between described degradable food package film adjacent layer.
Below only the present invention and embodiment thereof are described; this description is not restricted; shown in accompanying drawing is also one of embodiments of the present invention; actual structure is not limited thereto; if those skilled in the art enlighten by it; when not departing from the invention aim, designing the structure similar to this technical scheme and embodiment thereof without creationary, all should work as and belong to protection scope of the present invention.
Claims (6)
1. a degradable food package film; it is characterized in that; described degradable food package film is layer structure; ecto-entad is followed successively by degradable protective layer (1), printed layers (2), printing element layer (3) and biodegradable hot sealing layer (4); described degradable protective layer (1) is for being added with the olefin polymer of sensitising agent; sensitising agent is added with in described printing element layer (3); described biodegradable hot sealing layer (4) is made up of natural macromolecular material, by being hot bonding between described degradable food package film adjacent layer.
2. a kind of degradable food package film as claimed in claim 1, is characterized in that described sensitising agent is ferrocene or ferric stearate.
3. a kind of degradable food package film as claimed in claim 1, is characterized in that described olefin polymer is high density polyethylene (HDPE), low density polyethylene (LDPE) or polypropylene.
4. a kind of degradable food package film as claimed in claim 1, is characterized in that described printing element layer (3) is two-way stretching polyamide or Biaxially oriented polypropylene.
5. a kind of degradable food package film as claimed in claim 1, is characterized in that described natural macromolecular material is cellulose or starch.
6. a kind of degradable food package film as claimed in claim 1; the thickness that it is characterized in that described degradable protective layer (1) is 10-30 micron; the thickness of printing element layer (3) is 10-30 micron, and the thickness of biodegradable hot sealing layer (4) is 10-30 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168325.5A CN104786600A (en) | 2015-04-11 | 2015-04-11 | Degradable food packaging film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168325.5A CN104786600A (en) | 2015-04-11 | 2015-04-11 | Degradable food packaging film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104786600A true CN104786600A (en) | 2015-07-22 |
Family
ID=53551985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168325.5A Pending CN104786600A (en) | 2015-04-11 | 2015-04-11 | Degradable food packaging film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104786600A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113832A (en) * | 2016-08-15 | 2016-11-16 | 南通立方新材料科技有限公司 | A kind of double down solution food package film |
| CN106185029A (en) * | 2016-08-15 | 2016-12-07 | 南通立方新材料科技有限公司 | A kind of degradable antibacterial food package film |
| CN106218165A (en) * | 2016-08-15 | 2016-12-14 | 南通立方新材料科技有限公司 | A kind of double down solution hot-fill food packaging film |
| CN107400355A (en) * | 2017-08-23 | 2017-11-28 | 厦门长塑实业有限公司 | A kind of degradable two-way stretching polyamide film and preparation method thereof |
| CN109955555A (en) * | 2019-04-22 | 2019-07-02 | 刘建林 | Biodegradable high-barrier liquid packaging film |
| CN109968755A (en) * | 2019-04-22 | 2019-07-05 | 刘建林 | Biodegradable composite package film and packaging bag |
| CN113085323A (en) * | 2021-05-12 | 2021-07-09 | 温州市崇靖包装材料有限公司 | Heat-sealing degradable laminating kraft paper |
-
2015
- 2015-04-11 CN CN201510168325.5A patent/CN104786600A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113832A (en) * | 2016-08-15 | 2016-11-16 | 南通立方新材料科技有限公司 | A kind of double down solution food package film |
| CN106185029A (en) * | 2016-08-15 | 2016-12-07 | 南通立方新材料科技有限公司 | A kind of degradable antibacterial food package film |
| CN106218165A (en) * | 2016-08-15 | 2016-12-14 | 南通立方新材料科技有限公司 | A kind of double down solution hot-fill food packaging film |
| CN107400355A (en) * | 2017-08-23 | 2017-11-28 | 厦门长塑实业有限公司 | A kind of degradable two-way stretching polyamide film and preparation method thereof |
| CN109955555A (en) * | 2019-04-22 | 2019-07-02 | 刘建林 | Biodegradable high-barrier liquid packaging film |
| CN109968755A (en) * | 2019-04-22 | 2019-07-05 | 刘建林 | Biodegradable composite package film and packaging bag |
| CN113085323A (en) * | 2021-05-12 | 2021-07-09 | 温州市崇靖包装材料有限公司 | Heat-sealing degradable laminating kraft paper |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150722 |
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| WD01 | Invention patent application deemed withdrawn after publication |