WO2019017773A1 - Récipient pour liquides, procédés de production et d'utilisation de ce dernier - Google Patents

Récipient pour liquides, procédés de production et d'utilisation de ce dernier Download PDF

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Publication number
WO2019017773A1
WO2019017773A1 PCT/NL2018/050461 NL2018050461W WO2019017773A1 WO 2019017773 A1 WO2019017773 A1 WO 2019017773A1 NL 2018050461 W NL2018050461 W NL 2018050461W WO 2019017773 A1 WO2019017773 A1 WO 2019017773A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
container according
biodegradable
producing
inlay
Prior art date
Application number
PCT/NL2018/050461
Other languages
English (en)
Inventor
Jan Noordegraaf
Petrus Johannes Martinus Maria VAN DEN BERG
Josephus Petrus Maria De Jong
Kenneth Rudolf VAN DEN HOONAARD
Original Assignee
Synbra Technology B.V.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Synbra Technology B.V. filed Critical Synbra Technology B.V.
Publication of WO2019017773A1 publication Critical patent/WO2019017773A1/fr

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
    • 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
    • B65D81/38—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 with thermal insulation
    • B65D81/3865—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 with thermal insulation drinking cups or like containers
    • B65D81/3874—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 with thermal insulation drinking cups or like containers formed of different materials, e.g. laminated or foam filling between walls
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/14—Linings or internal coatings

Definitions

  • the present invention relates to a container for liquids comprising a bottom part and a wall part, a method for producing a container and use thereof.
  • Containers for liquids are generally known.
  • drinking cups were made of pottery, but such drinking cups are now generally produced from synthetic materials, namely plastics.
  • US 2008/187694 relates to a container comprising: an innermost thermoformed plastic sleeve, the innermost sleeve providing barrier resistance from material placed within the container, an insulating molded foam support layer, the foam support layer providing thermal resistance from material placed within the container, and an outermost paper sleeve bonded to an outer surface of the foam support layer, wherein the innermost sleeve comprises thermoformed polystyrene.
  • WO2008/10765 relates to a hot beverage receptacle comprising an inner vessel, an insulated outer shell and a compartment disposed between the inner vessel and the outer shell comprising a phase change material for absorbing thermal energy from a hot beverage in the inner vessel to cool the hot beverage and then releasing the thermal energy to the beverage to maintain the temperature of the cooled beverage.
  • the inner vessel is made from plastic, such as high impact polystyrene (H IPS) or metal, such as stainless steel, aluminium, aluminium alloys, copper or copper alloys.
  • H IPS high impact polystyrene
  • the material for the insulated outer shell is expanded polyurethane, polyethylene or polystyrene.
  • US 5,759,624 relates to a container from a blank 20, which is cut from a substrate which may be plastic, paper or paper board, and solid bleached sulfate.
  • the substrate is coated one side with an inner coating, which is a thermoplastic, polyethylene.
  • Typical examples of the materials of the outer shell would be polyvinylidene copolymers or glass.
  • the outer surface of the sidewall supports an insulating syntactic foam coating.
  • US 2009/0218390 relates to a bio-degradable cup comprising a paper cup with a bio-degradable film coated to an inside thereof, a foam cup in which the paper cup is received, the foam cup made by microfoam made by way of super-critical carbon dioxide extrusion, a lip connected to a top edge of the foam cup and a foam pad is connected to an underside of the foam cup.
  • CN 204169564 relates to a bio-degradable cup comprising a cup cover and a cup body, both of which are made of modified polylactic acid PLA, wherein the cup cover is arranged at the upper end of the cup body, the cup body includes an integrally formed inner cup body and outer cup body. No details have been provided about modified polylactic acid PLA.
  • CN 204950365 relates to a mug, comprising a lid, an inner body and inner and outer cup, the inlayer cup is provided with a vacuum layer between the outer cup wherein inner cup and outer cup are made of modified PLA containing 3% rare earth nucleating agent to enhance the crystallization rate of PLA wherein the degree of crystallinity is 53%.
  • US 2009/0263601 relates to a biodegradable container comprising a body structure formed into a desired shape, wherein said body structure is made of a dried foamed hydrocolloid gelling matrix system having a fibrous material and a firming agent embedded therein; and a water-resistant coating disposed on a surface of said body structure.
  • the hydrocolloid gelling agents are for example polysaccharides, agar, agarose, aloe mannans/xanthan, algin/alginates, water-insoluble alginates, borate complexes of 1 ,3-cis diols (locust bean gum, guar gum, cassia gum, konjac) and carrageenans.
  • Drinking cups are produced from fossil fuels and are resistant to biodegrading. When such drinking cups are carelessly discarded by users, they remain intact in the environment for many years. Large numbers of such drinking cups are also dumped in landfill sites or used as fuel in incinerators.
  • One aspect of the present invention is therefore the provision of a container for liquids, with said container to be considered environmentally friendly.
  • Another aspect of the present invention is the provision of a container for liquids in which warm liquids can be placed without causing the outside of the container to feel unpleasantly hot to the user.
  • a further aspect of the present invention is the provision of a container for liquids, wherein the container will not change shape, crack, or leak when it contains a hot liquid.
  • the present invention therefore relates to a container for liquids comprising a bottom part and a wall part, characterized in that an inlay is placed in the container, wherein the container is composed of a first material and the inlay of a second material, wherein the second material holds the liquid in place and the first material provides thermal insulation, and wherein the combination of the first and second material provides the container with mechanical integrity.
  • the present container for liquids is thus composed of an inlay that can considered an "inner cup” for the container.
  • the second material is to be configured such that the liquid in contact with the inlay does not penetrate said inlay.
  • the inlay thus prevents any leakage of the liquid from occurring.
  • the first material which in principle forms the "outer cup” and is held by the user, provides thermal insulation properties that make it possible to dispense with use of the above-mentioned sleeve.
  • the combination of the inlay and the container makes it possible for the final container to be mechanically stable, which means that the container does not collapse when it is filled with warm liquid.
  • the inlay is connected in a liquid-tight manner to the bottom part and the wall part of the container.
  • Such a design ensures that the inlay cannot come loose from the bottom part and the wall part of the container.
  • This design also ensures that the occurrence of cracks in the inlay is kept to a minimum.
  • no adhesive is used to connect the inlay in a liquid- tight manner to the bottom part and the wall part of the container.
  • the use of an adhesive requires an additional process step in producing the present container.
  • the thickness of the inlay is in the range of 0.04- 0.5 mm, preferably 0.25-0.30 mm. Such dimensions make it possible to produce containers in complex shapes. Moreover, such thicknesses do not substantially reduce the volume the container can hold.
  • the first material and the second material comprise biodegradable materials.
  • biodegradable materials allow the containers to degrade in a natural manner and thus have a low impact on the environment.
  • the second material is composed of a biodegradable thermoformed material.
  • the second material is a hot-drawn film.
  • the biodegradable thermoformed material is preferably selected from the group of bio-based and biodegradable polymers such as polylactic acid (PLA), copolymer of PLLA with 1 -10% D, polybutene succinate (PBS), polycaprolactone (PCL), poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), polyhydroxyalkanoate (PHA) and polyhydroxybutyrate (PHB), cellulose acetate butyrate (CAB), lignocellulose (LC) or copolyester of butane diol, adipic acid and terephthalic acid (PBAT), or mixtures of the aforementioned components.
  • PLA polylactic acid
  • PBS polybutene succinate
  • PCL polycaprolactone
  • PHBV poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
  • PHA polyhydroxyalkanoate
  • PB polyhydroxybutyrate
  • CAB cellulose acetate butyrate
  • LC lig
  • the first material is composed of a biodegradable particulate foam material.
  • the biodegradable particulate foam material is preferably selected from the group of bio-based and biodegradable polymers such as polylactic acid (PLA), copolymer of PLLA with 1 -10% D, polybutene succinate (PBS), polycaprolactone (PCL), poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), polyhydroxyalkanoate (PHA) and polyhydroxybutyrate (PHB), cellulose acetate butyrate (CAB), lignocellulose (LC) or copolyester of butane diol, adipic acid and terephthalic acid (PBAT), or mixtures of the aforementioned components.
  • a particular embodiment is a container wherein the first material and the second material comprise polylactic acid (PLA).
  • the first material and/or the second material comprise one or a plurality of additional components selected from the group of colourants such as talc and T1O2, plasticisers such as triethyl citrate (TEC) and acetyl tributyl citrate (ATBC), tributyl citrate, TbC, and diethyl bis(hydroxymethyl)malonate, DBM, DOA (dioctyl adipate), poly(ethylene glycol) (PEG), citrate esters, oligomeric lactic acid and triacetin.
  • plasticisers such as triethyl citrate (TEC) and acetyl tributyl citrate (ATBC), tributyl citrate, TbC, and diethyl bis(hydroxymethyl)malonate, DBM, DOA (dioctyl adipate), poly(ethylene glycol) (PEG), citrate esters, oligomeric lactic acid and triacetin.
  • the present invention further relates to a method for producing a container for liquids comprising a bottom part and a wall part, said method comprising the following steps:
  • step iv) placement of the second material in the interior of the container of step ii), wherein the bottom part and the wall part of the container are enclosed by the second material.
  • the "outer cup” is first produced in step ii).
  • the inlay is then placed as a so-called “inner cup” in the interior of the container thus obtained as specified in step iv), after which the final container is obtained.
  • the present invention further relates to another method for producing a container for liquids comprising a bottom part and a wall part, said method comprising the following steps:
  • step b) placement of the first material around the exterior of the container of step b), wherein the first material encloses the bottom part and the wall part of the container.
  • the "inner cup” is first produced in step b).
  • the first material is then placed as a so-called “outer cup” on the outside of the second material as specified in step d), after which the final container is obtained.
  • the first material and the second material comprise biodegradable materials.
  • the first material is preferably composed of a biodegradable particulate foam material, in particular a particulate foam material with a particle size in the range of 0.2-1 .6 mm, preferably 0.6-1 .2 mm and particularly preferably 0.6-0.9 mm.
  • the biodegradable particulate foam material is preferably selected from the group of bio-based and biodegradable polymers such as polylactic acid (PLA), copolymer of PLLA with 1 -10% D, polybutene succinate (PBS), polycaprolactone (PCL), poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), polyhydroxyalkanoate (PHA) and polyhydroxybutyrate (PHB), cellulose acetate butyrate (CAB), lignocellulose (LC) or copolyester of butane diol, adipic acid and terephthalic acid (PBAT), or mixtures of the aforementioned components.
  • PLA polylactic acid
  • PBS polybutene succinate
  • PCL polycaprolactone
  • PHBV poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
  • PHA polyhydroxyalkanoate
  • PB polyhydroxybutyrate
  • CAB cellulose acetate butyrate
  • LC
  • the second material is preferably composed of a biodegradable thermoformed material
  • the biodegradable thermoformed material is selected in particular from the group of bio-based and biodegradable polymers such as polylactic acid (PLA), copolymer of PLLA with 1 -10% D, polybutene succinate (PBS), polycaprolactone (PCL), poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), polyhydroxyalkanoate (PHA) and polyhydroxybutyrate (PHB), cellulose acetate butyrate (CAB), lignocellulose (LC) or copolyester of butane diol, adipic acid and terephthalic acid (PBAT), or mixtures of the aforementioned components.
  • PLA polylactic acid
  • PBS polybutene succinate
  • PCL polycaprolactone
  • PHBV poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
  • PHA polyhydroxyalkanoate
  • PB polyhydroxybuty
  • the second material is preferably provided as a hot-drawn film, wherein the thickness of the second material is preferably in the range of 0.04-0.5 mm, more preferably 0.25-0.30 mm.
  • the first material and the second material comprise polylactic acid (PLA).
  • the present invention further relates to the use of a container as described above or a container obtained by the methods described above for drinking cups, cups for noodles, and cups for hot liquids such as soups and sauces.
  • Fig. 1 is a front view of an inlay.
  • Fig. 2 is a front view of a container.
  • Fig. 3 shows the composite container according to the invention.
  • the following PLA type materials were used for producing the inlay, specifically the second material.
  • PLLA L175 refers to a PLA copolymer with approx. 5% D-PLA in the chain
  • Synterra TF2010 refers to a PLA blend with 90% PLLA, 5% PDLA and 5% DOA plasticiser.
  • Ingeo 2004 PLA is a copolymer with approx. 4% D- PLA in the chain.
  • Inlays were made from all of the material types. When the materials were hot-drawn, they were resistant to boiling water, wherein Synterra TF2010 and PLLA 2010 showed the best performance with respect to shape stability.
  • the following step comprised a thermoforming step using a manual mould. The first samples of the materials were produced in a thickness of 0.25 mm, as these are the most critical. If these materials meet the criteria, it is not necessary to test the thicker sheets.
  • the manual mould can be equipped with various settings, such as pre-drawing length, sheet pre-heating temperature, bottom temperature, wall temperature, and residence time in the mould.
  • Table 3 shows the settings used for producing the samples.
  • the moulding properties were as follows: material Synterra BF710M
  • Cooling water 8°C The inventors found that drinking cups produced from particulate polylactic acid foam, specifically BioFoam, were not resistant to high temperature, and after a time, the hot liquid, such as coffee, leaked out. The present inventors also found that a single inlay of hot-drawn PLLA in a low thickness was not sufficient to contain warm liquids such as hot coffee, with the result that the material collapsed.
  • the inventors also found that these two materials, which in principle are too weak, can be combined to obtain a strong composite material, wherein the foam material insulates the hands of the user and the thin inlay is supported by the surrounding foam, thus providing a composite wherein the occurrence of fluid leakage is no longer dependent on thermal insulation.
  • Fig. 1 is a front view of an inlay 10, in particular obtained by thermoforming.
  • Fig. 2 is a front view of container 20 provided with an interior space 23, with said container 20 further comprising a bottom part 21 and a wall part 22.
  • Fig. 3 shows the composite or final container according to the invention, wherein the inlay 10 (see Figure 1 ) is placed in the interior of the container 20 (see Figure 2).
  • the composite or final container 30 contains the inlay 10, wherein the intermediate container 20 is composed of a first material and the inlay 10 of a second material, wherein the second material is used to hold the liquid (not shown) and the first material provides thermal insulation, and wherein the combination of the first and second material provides the composite or final container 30 with mechanical integrity.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Wrappers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

La présente invention concerne un récipient (20) pour des liquides comprenant une partie inférieure (21) et une partie paroi (22), un élément rapporté (10) étant placé dans le récipient (20); le récipient (20) est composé d'un premier matériau et de l'élément rapporté (10) formé d'un second matériau, le second matériau retenant le liquide en place et le premier matériau assurant une isolation thermique, et la combinaison du premier et du second matériau assurant une intégrité mécanique au récipient.
PCT/NL2018/050461 2017-07-19 2018-07-10 Récipient pour liquides, procédés de production et d'utilisation de ce dernier WO2019017773A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2019273A NL2019273B1 (nl) 2017-07-19 2017-07-19 houder voor vloeistoffen
NL2019273 2017-07-19

Publications (1)

Publication Number Publication Date
WO2019017773A1 true WO2019017773A1 (fr) 2019-01-24

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PCT/NL2018/050461 WO2019017773A1 (fr) 2017-07-19 2018-07-10 Récipient pour liquides, procédés de production et d'utilisation de ce dernier

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NL (1) NL2019273B1 (fr)
WO (1) WO2019017773A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113335703A (zh) * 2021-05-29 2021-09-03 安庆市千禧龙包装有限公司 一种环保纸杯及其加工工艺

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5759624A (en) 1996-06-14 1998-06-02 Insulation Dimension Corporation Method of making syntactic insulated containers
US6863644B1 (en) 2001-08-24 2005-03-08 Lbp Manufacturing, Inc. Beverage container holder
KR20070068331A (ko) * 2007-06-11 2007-06-29 (주)성우엔비테크 생분해성 수지 발포층이 형성된 일회용 종이컵
WO2008010765A1 (fr) 2006-07-19 2008-01-24 Astrazeneca Ab Nouveaux composés
US20080187694A1 (en) 2007-02-05 2008-08-07 Grupo Convermex, S.A. De C.V. Tri-layer food container
US20090218390A1 (en) 2008-02-29 2009-09-03 Hsi-Ching Chang Bio-degradable cup and method for making the same
US20090263601A1 (en) 2006-06-16 2009-10-22 The Biodegradable Technologies General Partnership Articles prepared from biodegradable compositions and manufacturing methods
DE202010008367U1 (de) * 2010-08-25 2010-12-02 Huhtamaki Consumer Goods Plastics Gmbh Verpackungsbehälter
EP2502850A1 (fr) * 2011-03-24 2012-09-26 Paccor Deutschland GmbH Récipient d'emballage et son procédé de fabrication
WO2014136746A1 (fr) * 2013-03-07 2014-09-12 株式会社クレハ Mousse de polyester aliphatique et son procédé de fabrication
WO2014161653A1 (fr) * 2013-04-03 2014-10-09 Cedar Advanced Technology Group Ltd. Récipient pour aliment, boisson ou produit pharmaceutique et son procédé de préparation
CN204169564U (zh) 2014-09-25 2015-02-25 江西禾尔斯环保科技有限公司 新型保温杯
CN204950365U (zh) 2015-07-09 2016-01-13 上海星茶食品科技有限公司 聚乳酸保温杯

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5759624A (en) 1996-06-14 1998-06-02 Insulation Dimension Corporation Method of making syntactic insulated containers
US6863644B1 (en) 2001-08-24 2005-03-08 Lbp Manufacturing, Inc. Beverage container holder
US20090263601A1 (en) 2006-06-16 2009-10-22 The Biodegradable Technologies General Partnership Articles prepared from biodegradable compositions and manufacturing methods
WO2008010765A1 (fr) 2006-07-19 2008-01-24 Astrazeneca Ab Nouveaux composés
US20080187694A1 (en) 2007-02-05 2008-08-07 Grupo Convermex, S.A. De C.V. Tri-layer food container
KR20070068331A (ko) * 2007-06-11 2007-06-29 (주)성우엔비테크 생분해성 수지 발포층이 형성된 일회용 종이컵
US20090218390A1 (en) 2008-02-29 2009-09-03 Hsi-Ching Chang Bio-degradable cup and method for making the same
DE202010008367U1 (de) * 2010-08-25 2010-12-02 Huhtamaki Consumer Goods Plastics Gmbh Verpackungsbehälter
EP2502850A1 (fr) * 2011-03-24 2012-09-26 Paccor Deutschland GmbH Récipient d'emballage et son procédé de fabrication
WO2014136746A1 (fr) * 2013-03-07 2014-09-12 株式会社クレハ Mousse de polyester aliphatique et son procédé de fabrication
WO2014161653A1 (fr) * 2013-04-03 2014-10-09 Cedar Advanced Technology Group Ltd. Récipient pour aliment, boisson ou produit pharmaceutique et son procédé de préparation
CN204169564U (zh) 2014-09-25 2015-02-25 江西禾尔斯环保科技有限公司 新型保温杯
CN204950365U (zh) 2015-07-09 2016-01-13 上海星茶食品科技有限公司 聚乳酸保温杯

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113335703A (zh) * 2021-05-29 2021-09-03 安庆市千禧龙包装有限公司 一种环保纸杯及其加工工艺

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