CN201406107Y - Food container structure - Google Patents
Food container structure Download PDFInfo
- Publication number
- CN201406107Y CN201406107Y CN2009200063109U CN200920006310U CN201406107Y CN 201406107 Y CN201406107 Y CN 201406107Y CN 2009200063109 U CN2009200063109 U CN 2009200063109U CN 200920006310 U CN200920006310 U CN 200920006310U CN 201406107 Y CN201406107 Y CN 201406107Y
- Authority
- CN
- China
- Prior art keywords
- paper
- coating
- food containers
- poly
- lactic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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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- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
The utility model relates to a food container structure, which at least comprises a paper body and at least one cover layer positioned on the paper body. The paper body is provided with a containing space, and the cover layer contains polylactic acid material, the weight percent of which is 100 percent or less than 100 percent to 97 percent. Consequently, a food container has biodegradability, sothat environmental pollution can be reduced.
Description
Technical field
The utility model relates to a kind of food containers, and particularly relevant for a kind of food containers structure.
Background technology
The paper food container that general Food to Go is used is as cup, dish, bowl etc.Consider based on cost and function, above-mentioned paper food container mostly with on the cardboard by coating plastic film, through pressing mold or cut to fit to make and form.Because paper products itself can't waterproof, therefore on cardboard, reached waterproof, purpose resistant to oil by coating plastic film, food containers can not leaked when loading liquid.And the material of plastic film such as polyethylene terephthalate (Polyethylene terephthalate, PET), polyvinyl alcohol (Polyvinyl Alcohol, PVA), ethylene-vinyl acetate copolymer (Ethylene vinyl acetate, EVA) or low density polyethylene (LDPE) (LowDensity polyethylene, LDPE).
Yet along with the subject under discussion of environmental protection day by day comes into one's own, the plastic film that is covered on the above-mentioned paper food container all can't decompose after discarding.Though can utilize burning method to handle above-mentioned food containers, also when burning, produce waste gas easily.Therefore, above-mentioned food containers becomes big source of pollution of environment easily after using.
But existing many biology decomposing materials are applied to replace the conventional plastic material on the food containers, but biology decomposing material such as poly(lactic acid), starch or polycaprolactone (Polycaprolactone, PCL).Yet, but at present in the biology decomposing food container or sheet material of indication, the content of poly(lactic acid) is more than 50%, and partly still contain abiotic decomposability material in the food containers, and influence the decomposition rate of food containers, and abiotic decomposability material still resides in the environment and pollutes, and does not solve environmental pollution problems fully.
The utility model content
Therefore, the purpose of this utility model is to provide a kind of food containers structure, but has highly purified biology decomposing material coating.This coating makes food containers decomposing fully in environment fast after the use, reduces environmental pollution.
According to the utility model one embodiment, the utility model provides a kind of food containers structure, comprises body made of paper at least and at least one coating is positioned on the cardboard.Body made of paper has an accommodation space.Coating has the Biodegradable material, and above-mentioned Biodegradable material contains the poly(lactic acid) of 97～100 weight %.
Wherein above-mentioned coating is positioned at the inside and outside both sides of body made of paper simultaneously.
Poly(lactic acid) content is 98 weight %, 99 weight % or 99.5 weight % in the wherein above-mentioned Biodegradable material.
Wherein above-mentioned Biodegradable material contains 3 weight % following starch or polycaprolactone.
According to another embodiment of the utility model, the utility model provides a kind of food containers structure in addition, comprises body made of paper at least and at least one coating is positioned on the cardboard.Body made of paper has an accommodation space.Coating has the Biodegradable material, and above-mentioned Biodegradable material contains the poly(lactic acid) of 100 weight %.
Use food containers structure of the present utility model, replace the conventional plastic film, not only still have the excellent waterproof effect with the poly(lactic acid) coating.And the coating that has the high-load poly(lactic acid) in the food containers structure of the present utility model, because poly(lactic acid) is a Biodegradable, therefore in the non-confined space of proper temperature, humidity, the food containers structure can quick and completely be broken down into water and carbon dioxide.And water and carbon dioxide can return in environment, utilize for biology again.
Description of drawings
For above-mentioned and other purpose of the present utility model, feature, advantage and embodiment can be become apparent, appended the description of the drawings is as follows:
Fig. 1 is the section of structure that illustrates according to a kind of food containers of the utility model one embodiment;
Fig. 2 is a kind of food containers constructional drawing that illustrates according to another embodiment of the utility model.
[primary clustering nomenclature]
100,200: food containers 110,210: body made of paper
120,220: coating
The specific embodiment
Please refer to Fig. 1, it illustrates a kind of food containers section of structure according to this novel embodiment.Food containers 100 has body 110 made of paper and is positioned at body 110 1 sides made of paper with coating 120.
As shown in Figure 1, body 110 made of paper is bowl-shape, and the centre has an accommodation space.Perhaps, body 110 made of paper also can be cup-shaped or plate-like.Coating 120 then is positioned at the inboard of body 1 10 made of paper, the side of body 110 contacting foodstuffs promptly made of paper.In the present embodiment, and non-limiting to be positioned at body made of paper 110 with single layer coating layer 120 one-sided, and also can be multi-layer coating 120, to be positioned at body made of paper 110 one-sided.
In addition, can in the Biodegradable material that forms coating 120, add other upgrading material, for example in coating 120, add starch or polycaprolactone below the 3 weight % according to the 110 purposes requirements of different bodies made of paper.Different body made of paper 110 purposes for example require: needing through folding carton, similarly is packing box or minaudiere, or the paper device of given shape, supports paper frame, egg supporting case as packaging, again or the cardboard of poly(lactic acid) lining thinner thickness.
The above-mentioned coating 120 that contains poly(lactic acid) can replace the plastic film on the conventional paper food containers, has good waterproof effect.And the coating 120 of tool high-load poly(lactic acid) can make food containers be decomposed into water and carbon dioxide fast after discarded, goes back to nature, and reduces environmental pollution.
Fig. 2 is a kind of food containers constructional drawing that illustrates according to another embodiment of the utility model.Food containers 200 has body 210 made of paper and is positioned on the body 210 made of paper with coating 220.
In this embodiment, body 210 made of paper is a cup-shaped, has an accommodation space.Coating 220 then is positioned at the outside of body 210 made of paper.In other words, except that the food contact surface of food containers 200 has the coating 220, user's contact surface of food containers 200 also has coating 220.Therefore, in the food containers 200 outside all can prevent because of moisture run-down.In addition, the interior outside of body 110 made of paper is not limit only has individual layer leaching membrane layer 220, also can be the outside that multi-layer coating 220 is positioned at body 110 made of paper, and coating 220 numbers of plies in the outside can be identical or different in the body made of paper 110.
Table one is a poly(lactic acid) food containers of the present utility model, when poly(lactic acid) content is 100 weight %, the poly(lactic acid) food containers is placed compost environment, and promptly temperature is 56～60 ℃, does not have carbon-dioxide air ventilation down, the degree of decomposition of different number of days to contain saturated moisture content.
Table one
In table one result poly(lactic acid) food containers of the present utility model as can be known, poly(lactic acid) content is 100% o'clock, can decompose to surpass 50% in 30 days, can decompose more than 90% after 80 days and surpass.
By above-mentioned the utility model embodiment as can be known, use food containers structure of the present utility model, replace the conventional plastic film with the poly(lactic acid) leaching membrane layer, not only still has the excellent waterproof effect, and because the general plastic material rigidity height of poly(lactic acid), therefore employed body thickness made of paper can be thinner, and promptly the cardboard basic weight is less, can reduce the use amount of paper wood.And the leaching membrane layer with high-load poly(lactic acid) makes food containers under proper temperature, humidity and non-confined space, can be close to be broken down into water and carbon dioxide fully.And water and carbon dioxide can return in environment, utilize for biology again, reduce environmental pollution.Perhaps, after the food containers made from polylactic acid paperboard used, even utilize the incineration mode to handle, the also general plastic material of the heat energy of generation was low, can prolong the service life of incinerator.
Though the utility model discloses as above with embodiment; right its is not in order to limit the utility model; any person skilled in the art; in not breaking away from spirit and scope of the present utility model; when being used for a variety of modifications and variations, therefore protection domain of the present utility model is when being as the criterion with the scope that claims were defined.
Claims (3)
1. a food containers structure is characterized in that, comprises at least:
One body made of paper has an accommodation space;
At least one coating is positioned on this body, and this coating has a biological decomposability material, and this Biodegradable material contains the poly(lactic acid) of 100 weight %.
2. food containers structure according to claim 1 is characterized in that, this coating is positioned at the inside and outside both sides of this body simultaneously at least.
3. food containers structure according to claim 1 is characterized in that, this body made of paper is cup-shaped, bowl-shape or plate-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200063109U CN201406107Y (en) | 2009-02-16 | 2009-02-16 | Food container structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200063109U CN201406107Y (en) | 2009-02-16 | 2009-02-16 | Food container structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201406107Y true CN201406107Y (en) | 2010-02-17 |
Family
ID=41677036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200063109U Expired - Fee Related CN201406107Y (en) | 2009-02-16 | 2009-02-16 | Food container structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201406107Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108974581A (en) * | 2017-06-05 | 2018-12-11 | 陈嘉宏 | Starchiness structure of container with layer of silica gel |
-
2009
- 2009-02-16 CN CN2009200063109U patent/CN201406107Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108974581A (en) * | 2017-06-05 | 2018-12-11 | 陈嘉宏 | Starchiness structure of container with layer of silica gel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiamen Weimeng Environmental Protection Material Co., Ltd. Assignor: Wei Mon Industry Co., Ltd. Contract record no.: 2012990000102 Denomination of utility model: Food container structure Granted publication date: 20100217 License type: Exclusive License Record date: 20120313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20160216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |