EP2958826A1 - Emballage comprenant un produit alimentaire - Google Patents
Emballage comprenant un produit alimentaireInfo
- Publication number
- EP2958826A1 EP2958826A1 EP14705763.2A EP14705763A EP2958826A1 EP 2958826 A1 EP2958826 A1 EP 2958826A1 EP 14705763 A EP14705763 A EP 14705763A EP 2958826 A1 EP2958826 A1 EP 2958826A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- film
- food product
- packaging according
- mushrooms
- container
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- B65D65/02—Wrappers or flexible covers
-
- 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
-
- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
- B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
-
- 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
- B65D85/34—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for fruit, e.g. apples, oranges or tomatoes
-
- 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
- B65D2565/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D2565/38—Packaging materials of special type or form
- B65D2565/381—Details of packaging materials of special type or form
- B65D2565/388—Materials used for their gas-permeability
Definitions
- the invention relates to a packaging comprising a container having an open top and comprising a food product selected from vegetables, fruits and mushrooms, a film closing the open top of the container and being tightened over the food product to secure the food product in the container and so having contact areas with the food product.
- a problem is that the durability of the food products is limited by such a packaging, because at the contact areas the food product rots or deteriorates in another way. For example if mushrooms are packed in this way, at the contact areas the mushrooms show a discoloration, so that the mushrooms cannot be sold anymore. This while the parts were the mushrooms are not in contact with the film, the mushrooms are still in an excellent condition.
- Aim of the invention is to diminish the rot, discoloration or any other way of deterioration at the contact areas of the food product and the film.
- the film has a moisture vapour transmission rate (MVTR according to ISO 12572:2001 , condition B at 1 bar, 38 °C and 50% relative humidity) of at least 350 g/m 2 .day.
- MVTR moisture vapour transmission rate
- the container may be a box, a punnet, a basket, a tray, a platter etc.
- Moisture vapour transmission rate (MVTR) is measured according to
- test sample is 10 mm.
- the MVTR is preferably at least 800 g/m 2 .day, more preferably at least 1200 g/m 2 .day, even more preferably at least 1600 g/m 2 .day. In order to prevent drying out of the food product the MVTR is preferably at most 10.000 g/m 2 .day, more preferably at most 5000 g/m 2 .day.
- the film is tightened over the food product to secure the food product into the container and so having contact areas with the food product.
- Mushrooms are for example placed in a punnet or a basket and a film is tightened over the open top. In most cases the punnet or basket is just more than fully loaded, so that the mushrooms stick out of the open top. In this way the film is tightened over the mushrooms.
- mushrooms tend to grow further in the packaging, so creating contact areas with the film or increasing the size of existing contact areas.
- a further example is fruit placed on a tray, for example apples or pears. To secure the fruit in the tray the film must be tightened over the fruit, so creating the contact areas.
- the film comprises perforations, more preferably in the form of micro-perforations that may have a diameter of between 50 microns and 1000 microns, preferably between 100 and 800 microns.
- the density of the perforations may be up to about 1000 per m 2 , preferably up to about 500 m 2 .
- Perforation may take place either in a continuous or in a batch process.
- the perforation may be effected by contacting the film with one or more rollers comprising pins or needles to punch the micro-perforations.
- Perforation may also be effected by use of laser technology. The perforation may take place in line with the production of the film.
- the film is produced from a thermoplastic elastomer.
- a thermoplastic copolyetheramide elastomer comprising hard segments of a polyamide and soft segments of an aliphatic polyether.
- a further example of a suitable thermoplastic elastomer is a thermoplastic polyurethane (TPU).
- TPUs may be formed by the reaction between isocyanates, short chain doils or diamines and long chain diols or diamines. Preferably as long chain diols polyetherdiols are used.
- thermoplastic copolyester elastomer TPE
- a copolyether ester is used as the thermoplastic polyester elastomer.
- the copolyether ester suitably contains hard segments that are built up from repeating units derived from at least one alkylene diol and at least one aromatic dicarboxylic acid or an ester thereof. As alternative to segment, also the term block is being used.
- the linear or cycloaliphatic alkylene diol contains generally 2-6 C- atoms, preferably 2-4 C-atoms. Examples thereof include ethylene glycol, propylene diol and butylene diol. Preferably propylene diol or butylene diol are used, more preferably 1 ,4-butylene diol.
- Suitable aromatic dicarboxylic acids include terephthalic acid, 2,6-naphthalenedicarboxylic acid, 4,4'-biphenyldicarboxylic acid or combinations of these.
- the advantage thereof is that the resulting polyester is generally semi-crystalline with a melting point of above 150, preferably above 175, and more preferably of above 190°C.
- the hard segments may optionally further contain a minor amount of units derived from other dicarboxylic acids, for example isophthalic acid, which generally lowers the melting point of the polyester.
- the amount of other dicarboxylic acids is preferably limited to not more than 10, more preferably not more than 5 mol%, so as to ensure that, among other things, the crystallization of the copolyether ester is not adversely affected.
- the hard segment is preferably built up from ethylene terephthalate, propylene terephthalate, and in particular from butylene terephthalate as repeating units. Advantages of these readily available units include a high melting point, resulting in copolyether esters with good processing properties, excellent thermal and chemical resistance and good puncture resistance.
- the copolyether ester contains soft segments of an aliphatic polyether.
- the polyether may have a glass-transition temperature (T g ) of below 0°C.
- T g glass-transition temperature
- the T g is below -20 °C, more preferably below -40°C, and most preferably below -50 °C.
- the molar mass of the segments may vary within a wide range, but preferably the molar mass is chosen between 400 and 6000 g/mol, more preferably between 500 and 4000 g/mol, and most preferably between 750 and 3000 g/mol.
- Suitable aliphatic polyethers include a poly(alkylene oxide)diol derived from an alkylene oxide of 2-6 C-atoms, preferably 2-4 C-atoms, or combinations thereof. Examples include poly(ethylene oxide)diol, poly(tetramethylene oxide)diol or
- copolyether ester contains soft blocks derived from a polyethylene oxide-terminated poly(propylene oxide)diol.
- the copolyether ester may further contain a compound with two or more functional groups that can react with an acid- or hydroxyl-group, acting as chain extension or chain branching agent, respectively.
- suitable chain extension agents include carbonylbislactams, diisocyanates and bisepoxides.
- Suitable chain branching agents include e.g. trimellitic acid, trimellitic acid anhydride and trimethylol propane. The amount and type of chain extension or branching agent is chosen such that a block copolyester of desirable melt viscosity is obtained. In general, the amount of a chain branching agent will not be higher than 6.0 equivalents per 100 moles of dicarboxylic acids presenting the copolyether ester.
- the copolyether ester can further contain the usual catalysts and stabilizers.
- copolyether esters are for example described in Handbook of Thermoplastics, ed. O.OIabishi, Chapter 17, Marcel Dekker Inc., New York 1997, ISBN 0-8247-9797-3, in Thermoplastic Elastomers, 2nd Ed, Chapter 8, Carl Hanser Verlag (1996), ISBN 1 -56990-205-4, in Encyclopedia of Polymer Science and Engineering, Vol. 12, Wiley & Sons, New York (1988), ISBN 0-471 -80944, p.75-1 17, and the references cited therein.
- copolyether ester with hard segments built up from butylene terephthalate units and soft segments derived from polyethylene oxide-terminated poly(propylene oxide)diol.
- the film may suitably be prepared by extrusion, for example by the blown film process or cast film process.
- Food products that may be stored in the packaging according to the invention generally include food products with a smooth surface, since such food products give rise to the presence of contact areas with the film. Examples of such food products include mushrooms, apples, pears, tomato's, mango's, peaches, paprika's, grapes, strawberries etc.
- contact areas between the food product and the film may be present that have a surface of at least 10 mm 2 .
- the invention shows its benefits especially if contact areas are present having a surface of at least 100 mm 2 , even more if contact areas are present having a surface of at least 1000 mm 2 .
- Fig 1 is schematic intersection of a box comprising mushrooms.
- Fig. 2 is a schematic intersection of a tray comprising apples.
- Fig. 1 a schematic intersection of a box comprising mushrooms is shown.
- the box (1 ) is just more than fully loaded with mushrooms (2).
- the mushrooms stick somewhat out the box, so that the mushrooms are secured in the box by tightening the film (3) over the mushrooms, so to create contact areas (4) between the film and the mushrooms.
- FIG. 2 a schematic intersection of a tray (1 ) comprising apples is shown. At the tray apples (2) are placed. The film (3) has been tightened over the apples, to keep the apples in place at the tray. Between the apples and the film contact areas (4) are present.
- FIG. 1 Three boxes of length of 190 mm, a width of 135 mm and a height of 55 mm were just more than fully filled with mushrooms, as indicated in Fig. 1.
- a 25 micron nylon film (Akulon F 136, delivered by DSM, the Netherlands) ( comp. exp. A) a 30 mm perforated PVC film (comp. exp. B) and a 25 mm copolyetherester film (Arnitel Arnitel VT3104) (Exp. I) were tightened over the mushrooms.
- Moisture vapour transmission rate is measured according to ISO 12572:1200, condition B at 1 bar, 38 °C and 50% relative humidity. The distance between the test sample and the desiccant is 10 mm.
- the MVTR of the nylon film is 100 g/m 2 .day
- the MVTR of the PVC film is 240 g/m 2 .day
- the MVTR of the copolyester film is 1880 g/m 2 .day.
- the boxes were stored at 8 °C and 50 % relative humidity.
- the mushrooms showed discoloration at the contact areas between the mushrooms and the film after 7 days.
- the mushrooms of example I showed discoloration only after 10 days.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
- Packages (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14705763.2A EP2958826A1 (fr) | 2013-02-19 | 2014-02-19 | Emballage comprenant un produit alimentaire |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13155760 | 2013-02-19 | ||
EP14705763.2A EP2958826A1 (fr) | 2013-02-19 | 2014-02-19 | Emballage comprenant un produit alimentaire |
PCT/EP2014/053202 WO2014128150A1 (fr) | 2013-02-19 | 2014-02-19 | Emballage comprenant un produit alimentaire |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2958826A1 true EP2958826A1 (fr) | 2015-12-30 |
Family
ID=47722144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14705763.2A Withdrawn EP2958826A1 (fr) | 2013-02-19 | 2014-02-19 | Emballage comprenant un produit alimentaire |
Country Status (5)
Country | Link |
---|---|
US (1) | US20160001946A1 (fr) |
EP (1) | EP2958826A1 (fr) |
JP (1) | JP2016513046A (fr) |
CN (1) | CN105008242A (fr) |
WO (1) | WO2014128150A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10562684B2 (en) * | 2011-02-23 | 2020-02-18 | Kraft Foods Schweiz Holding Gmbh | Method and apparatus pertaining to a flexible wrapping material having laser-formed crease lines |
EP3083444A1 (fr) * | 2013-12-18 | 2016-10-26 | DSM IP Assets B.V. | Produit alimentaire frais emballé dans un film |
CN107924412B (zh) * | 2015-08-18 | 2022-04-12 | 三星电子株式会社 | 用于对网页加书签的方法和系统 |
WO2018210955A1 (fr) * | 2017-05-16 | 2018-11-22 | Cryovac, Inc. | Nouveau procédé d'emballage pour fruits et légumes |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2571340A (en) * | 1949-04-08 | 1951-10-16 | Wingfoot Corp | Packaging |
GB8622905D0 (en) * | 1986-09-23 | 1986-10-29 | Keyes Uk Ltd | Packaging |
GB2221692B (en) * | 1988-07-15 | 1992-04-15 | Courtaulds Films & Packaging | Storage and packaging of plant material |
AU2005225429A1 (en) * | 2004-03-19 | 2005-10-06 | E.I. Dupont De Nemours And Company | Multilayer sheet or liner for packing hot foods |
GB0500906D0 (en) * | 2005-01-17 | 2005-02-23 | Dupont Teijin Films Us Ltd | Coextruded polymeric film |
US8609131B2 (en) * | 2005-01-25 | 2013-12-17 | 3M Innovative Properties Company | Absorbent dressing comprising hydrophilic polymer prepared via Michael reaction |
EP2398846A1 (fr) * | 2009-02-17 | 2011-12-28 | DSM IP Assets B.V. | Feuille ayant une perméabilité élevée à la vapeur d'eau |
US8329269B2 (en) * | 2009-04-20 | 2012-12-11 | Dsm Ip Assets B.V. | Tubular film for foodstuff casing and a foodstuff casing produced from the film |
-
2014
- 2014-02-19 EP EP14705763.2A patent/EP2958826A1/fr not_active Withdrawn
- 2014-02-19 WO PCT/EP2014/053202 patent/WO2014128150A1/fr active Application Filing
- 2014-02-19 JP JP2015557470A patent/JP2016513046A/ja not_active Withdrawn
- 2014-02-19 US US14/767,783 patent/US20160001946A1/en not_active Abandoned
- 2014-02-19 CN CN201480009115.5A patent/CN105008242A/zh active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO2014128150A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2016513046A (ja) | 2016-05-12 |
WO2014128150A1 (fr) | 2014-08-28 |
CN105008242A (zh) | 2015-10-28 |
US20160001946A1 (en) | 2016-01-07 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 20150721 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
Extension state: BA ME |
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DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20160726 |
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GRAP | Despatch of communication of intention to grant a patent |
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INTG | Intention to grant announced |
Effective date: 20170103 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20170516 |