WO2004012998A2 - Composition pour l'emballage alimentaire a base de resine vinyle aromatique contenant une charge minerale plaquettaire dispersee sous la forme de nanoparticules. - Google Patents
Composition pour l'emballage alimentaire a base de resine vinyle aromatique contenant une charge minerale plaquettaire dispersee sous la forme de nanoparticules. Download PDFInfo
- Publication number
- WO2004012998A2 WO2004012998A2 PCT/FR2003/002294 FR0302294W WO2004012998A2 WO 2004012998 A2 WO2004012998 A2 WO 2004012998A2 FR 0302294 W FR0302294 W FR 0302294W WO 2004012998 A2 WO2004012998 A2 WO 2004012998A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- use according
- mineral
- composition
- nanoparticles
- packaging
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Definitions
- the present invention relates to the field of styrenic resins, particularly to the field of styrenic resins intended for food packaging. It describes in particular a composition based on styrenic resin containing a platelet mineral filler dispersed in the form of nanoparticles.
- the compositions of the invention can be used in the field of food packaging, in particular for preparing containers intended to contain liquid foods, cooked meals of meat and similar foods.
- Polystyrene blends are used commercially in many food applications.
- thermoplastics are bulk processes, that is, the polymer is formed in its monomer. Whatever the mode of recovery of the polymer, it is then difficult to obtain it free of monomers. Furthermore, in the mass polymerization process of styrene in particular, due to Diels Adler reactions which are unavoidable under the usual temperature conditions, the formation of dimers and / or trimers of styrene appears.
- the problem that the invention seeks to solve is therefore to develop a container for food packaging minimizing the risk of migration of small molecules from the polymer matrix to food.
- the Applicant has found that the use of platelet mineral fillers dispersed in the polymer matrix of the food container significantly slows down the migration of the monomers, dimers and trimers towards the food liquids.
- the solution found by the plaintiff is sufficient. It can be applied alone or in combination with more traditional solutions such as that mentioned above.
- the first object of the invention is therefore the use for preparing a container intended for packaging, in particular food packaging of a thermoplastic composition based on styrenic resin containing a platelet mineral filler dispersed in the form of nanoparticles.
- the thermoplastic composition comprises: from 85 to 99.9% by weight of the total weight of the composition of at least one styrenic resin A, - from 0.1 to 15% by weight of the total weight of the composition d '' a platelet mineral filler dispersed in the form of nanoparticles.
- Styrenic resin A is at least one polymer chosen from crystal polystyrene, impact-reinforced polystyrene and styrene copolymers.
- Crystal polystyrene is obtained by the polymerization of styrene, optionally in the presence of small amounts of other monomers such as styrene derivatives.
- the impact-reinforced polystyrene is obtained by the polymerization of a styrene solution containing from 3 to 15% by weight of at least one elastomer and optionally other monomers such as styrene derivatives such as alpha methylstyrene.
- the elastomer can be chosen from the group containing conjugated polydienes such as polybutadiene or polyisoprene, block or graft block copolymers having at least one block based on polydienes and at least one block based on polystyrene.
- conjugated polydienes such as polybutadiene or polyisoprene
- block or graft block copolymers having at least one block based on polydienes and at least one block based on polystyrene.
- the elastomer can be linear or branched with high or low viscosity.
- the elastomer is selected from the group containing polybutadiene and block copolymers having at least one polybutadiene block and at least one polystyrene block.
- the elastomer phase is dispersed in the form of discrete particles with a diameter between 0.1 and 10 ⁇ m.
- the polymerization can be thermal or peroxidic.
- the modes of synthesis are widely known. For information, you can consult the ULLMANN encyclopedia (encyclopedia of industial chemistry) vol A21, page 615 et seq.
- A is preferably an impact-reinforced polystyrene obtained by the bulk polymerization of styrene in the presence of 3 to 15% by weight of polybutadiene.
- the platelet charge is introduced either to the synthesis of the aromatic vinyl polymer by dispersing the charge in the monomer to be polymerized as described in polymer Bulletin 48, 143-149 (2002), or by mixing by mixing, for example according to the usual mixing techniques, the filler to be dispersed with the polymer A.
- the nanometric shape can be obtained for example by exfoliation from a mineral compound with a lamellar structure. This exfoliation can only be partial. A mixture of elementary particles and stacks of these is then obtained. The stacks may or may not be swollen with polymers. The inflated state is called an intercalated state.
- the mineral particles with lamellar structures can be clays such as montmorillonites or zirconium or titanium derivatives such as phosphonites.
- the preferred filler of the invention is zirconium phosphonite.
- Another object of the invention is also films and containers for food packaging comprising the composition of the invention.
- Such films and containers are prepared by the usual techniques for processing thermoplastic materials such as injection, extrusion or calendering.
- the material to be tested is processed in the form of a 0.1 cm thickness of plate in which are cut strips 100cm 2.
- the strips are then covered with oil and stored for 10 days at 40 ° C.
- the oil is then recovered and analyzed to determine the levels of styrene and ethyl benzene having migrated. Three dosages are carried out per oil sample taken.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Composite Materials (AREA)
- Polymers & Plastics (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Wrappers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003269039A AU2003269039A1 (en) | 2002-07-26 | 2003-07-21 | Composition for food packaging based on vinyl aromatic resin containing a mineral platy filler in the form of nanoparticles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0209486 | 2002-07-26 | ||
FR02/09486 | 2002-07-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004012998A2 true WO2004012998A2 (fr) | 2004-02-12 |
WO2004012998A3 WO2004012998A3 (fr) | 2004-04-08 |
Family
ID=31198213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2003/002294 WO2004012998A2 (fr) | 2002-07-26 | 2003-07-21 | Composition pour l'emballage alimentaire a base de resine vinyle aromatique contenant une charge minerale plaquettaire dispersee sous la forme de nanoparticules. |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2003269039A1 (fr) |
WO (1) | WO2004012998A2 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2679516A1 (fr) | 2012-06-29 | 2014-01-01 | University College Cork | Emballage alimentaire antimicrobien |
WO2021170776A1 (fr) | 2020-02-27 | 2021-09-02 | Siamp Cedap | Matériau pour l'emballage alimentaire à base de polystyrène et procédé de préparation |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4721738A (en) * | 1985-10-07 | 1988-01-26 | Occidental Research Corporation | Polymeric compositions including microwave energy sensitizing additives |
EP0841150A2 (fr) * | 1996-10-18 | 1998-05-13 | Fort James Corporation | Récipient pour aliments jetable, chauffable par micro-ondes avec une surface micronodulaire et procédé pour le fabriquer |
WO1998056861A1 (fr) * | 1997-06-09 | 1998-12-17 | Herberts Gmbh | Composition de revetement aqueux renfermant un polymere et une charge de paillettes exfoliee |
DE10134142C1 (de) * | 2001-07-13 | 2002-05-16 | Rehau Ag & Co | Thermoplastgemisch |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000143911A (ja) * | 1998-11-12 | 2000-05-26 | Kanegafuchi Chem Ind Co Ltd | スチレン系樹脂組成物および製造方法 |
-
2003
- 2003-07-21 AU AU2003269039A patent/AU2003269039A1/en not_active Abandoned
- 2003-07-21 WO PCT/FR2003/002294 patent/WO2004012998A2/fr not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4721738A (en) * | 1985-10-07 | 1988-01-26 | Occidental Research Corporation | Polymeric compositions including microwave energy sensitizing additives |
EP0841150A2 (fr) * | 1996-10-18 | 1998-05-13 | Fort James Corporation | Récipient pour aliments jetable, chauffable par micro-ondes avec une surface micronodulaire et procédé pour le fabriquer |
WO1998056861A1 (fr) * | 1997-06-09 | 1998-12-17 | Herberts Gmbh | Composition de revetement aqueux renfermant un polymere et une charge de paillettes exfoliee |
DE10134142C1 (de) * | 2001-07-13 | 2002-05-16 | Rehau Ag & Co | Thermoplastgemisch |
Non-Patent Citations (3)
Title |
---|
DATABASE WPI Section Ch, Derwent Publications Ltd., London, GB; Class A00, AN 1968-31233Q XP002269871 & SU 215 488 A (NI MORONENKO) * |
DATABASE WPI Section Ch, Week 200036 Derwent Publications Ltd., London, GB; Class A13, AN 2000-415863 XP002238006 & JP 2000 143911 A (KANEKA CORP), 26 mai 2000 (2000-05-26) * |
PARK C I ET AL: "The fabrication of syndiotactic polystyrene/organophilic clay nanocomposites and their properties" POLYMER, ELSEVIER SCIENCE PUBLISHERS B.V, GB, vol. 42, 11 mai 2001 (2001-05-11), pages 7465-7475, XP002219925 ISSN: 0032-3861 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2679516A1 (fr) | 2012-06-29 | 2014-01-01 | University College Cork | Emballage alimentaire antimicrobien |
WO2014001541A1 (fr) | 2012-06-29 | 2014-01-03 | University College Cork, National University Of Ireland Cork | Emballage alimentaire antimicrobien |
WO2021170776A1 (fr) | 2020-02-27 | 2021-09-02 | Siamp Cedap | Matériau pour l'emballage alimentaire à base de polystyrène et procédé de préparation |
Also Published As
Publication number | Publication date |
---|---|
WO2004012998A3 (fr) | 2004-04-08 |
AU2003269039A1 (en) | 2004-02-23 |
AU2003269039A8 (en) | 2004-02-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69420560T2 (de) | Modifizierte siloxane-polyolefin-copolymere | |
FR2661184A1 (fr) | Compositions de moulage a base de resine de polycarbonate aromatique, de polymerisat abs et de copolymere san ayant un aspect superficiel mat. | |
FR2464286A1 (fr) | Composition polymerique ternaire a base de polycarbonate, d'olefine-acrylate et de copolymere d'acrylate | |
EA029083B1 (ru) | Способ получения композиции, содержащей гетерофазный сополимер пропилена и тальк, ударопрочная композиция и профилированное изделие | |
RU2619127C2 (ru) | Улучшенные композиции смолы для покрытий, наносимых методом экструзии | |
FR2509742A1 (fr) | ||
CN1147540C (zh) | 橡胶防护蜡 | |
BR112018001961B1 (pt) | Composição, uso de uma composição, e, processos para produção de uma composição e de um artigo | |
EP0731816B1 (fr) | Composition comprenant un polymere vinylaromatique et un caoutchouc et son procede d'obtention | |
EP0661313B1 (fr) | Copolymère bloc étoilé d'un monomère vinylaromatique et d'un diène conjugué, son procédé d'obtention, et les compositions comprenant ledit copolymère et du polystyrène cristal | |
WO2004012998A2 (fr) | Composition pour l'emballage alimentaire a base de resine vinyle aromatique contenant une charge minerale plaquettaire dispersee sous la forme de nanoparticules. | |
Tchomakov et al. | Mechanical properties and morphology of ternary PP/EPDM/PE blends | |
Rex et al. | Studying single-pass degradation of a high-density polyethylene in an injection molding process | |
FR2742442A1 (fr) | Composition de moulage thermoplastique de densite elevee | |
EP0942037A1 (fr) | Dispersions ou solutions de polymères contenant des stabilisateurs et préparations de polymère obtenues à partir de celles-ci | |
Varyan et al. | Analysis of stress-strain characteristics of composite films based on polyethylene polymers with natural rubber | |
CA2011003A1 (fr) | Compositions organopolysiloxanes a deux emballages, reticulant par fonction alcoxysilane, contenant un hydroreteneur et leur procede de preparation | |
JP2002517532A (ja) | 安定な遊離ラジカルと重合開始剤との存在下で芳香族ビニルモノマーを重合して得られる耐衝撃性芳香族ビニルポリマー | |
JP7543399B2 (ja) | ポリマー組成物を作製するための方法およびそれに使用するのに適した組成物 | |
EP0649869A1 (fr) | Particules minérales enrobées d'élastomère, leur procédé de préparation, leur utilisation pour le renforcement de polymères thermoplastiques et lesdits polymères renforcés | |
EP0605381B1 (fr) | Compositions de polymères pour applications médicales | |
WO2000055211A1 (fr) | Procede de preparation d'un caoutchouc porteur de radical libre stable et utilisation dudit caoutchouc porteur pour la preparation d'un polymere vinylaromatique choc | |
EP1127919A1 (fr) | Film et produits en poly-alpha-oléfine ayant un coefficient de frottement bas | |
FR2849442A1 (fr) | Materiau resistant aux agressions des milieux exterieurs comprenant une composition a base de resine vinyle aromatique et de charge minerale plaquettaire dispersee sous la forme de nanoparticules | |
RU2820593C1 (ru) | Способы получения полимерных композиций и композиции, подходящие для применения в них |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX MZ NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: JP |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: JP |