EP2155848A2 - Procede de nettoyage de surfaces de materiaux a base de polyolefine(s) souilles par des denrees alimentaires notamment des produits laitiers - Google Patents
Procede de nettoyage de surfaces de materiaux a base de polyolefine(s) souilles par des denrees alimentaires notamment des produits laitiersInfo
- Publication number
- EP2155848A2 EP2155848A2 EP08805802A EP08805802A EP2155848A2 EP 2155848 A2 EP2155848 A2 EP 2155848A2 EP 08805802 A EP08805802 A EP 08805802A EP 08805802 A EP08805802 A EP 08805802A EP 2155848 A2 EP2155848 A2 EP 2155848A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- polyolefin
- cleaning
- soiled
- acid
- dairy products
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/34—Organic compounds containing sulfur
- C11D3/3409—Alkyl -, alkenyl -, cycloalkyl - or terpene sulfates or sulfonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/34—Organic compounds containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/18—Glass; Plastics
Definitions
- the present invention relates to the field of cleaning equipment in contact with foodstuffs.
- Cleaning means the removal of soiling from these foodstuffs, such as carbohydrates, fats, proteins, inorganic mineral constituents such as calcium carbonate, calcium phosphate or other types of scale, for example oxalates, sulphates, hydroxides and / or sulphides combined with metals, metalloids, or alkaline earth metals, and other residues encountered in the food processing industry.
- these foodstuffs such as carbohydrates, fats, proteins, inorganic mineral constituents such as calcium carbonate, calcium phosphate or other types of scale, for example oxalates, sulphates, hydroxides and / or sulphides combined with metals, metalloids, or alkaline earth metals, and other residues encountered in the food processing industry.
- PP polyvinyl chloride
- inorganic acids With regard to inorganic acids, it has been found that commercial cleaning compositions based on sulfuric and / or nitric acid have a tendency to attack the surfaces of the polyolefin materials during successive cleanings, which makes it necessary to replace them with new equipment.
- phosphoric and / or sulphamic acid although having a good cleaning power, considering that they contain respectively phosphorus and nitrogen, they are generators respectively of phosphates and nitrates in the discharges and have tend to be replaced for reasons of ecological technique because the European directives on the rates of discharges of phosphorus and nitrogen in watercourses are becoming more and more strict.
- the present invention proposes a process for cleaning polyolefin-based materials contaminated with foodstuffs and more particularly with dairy products, characterized by the use of aqueous cleaning compositions which do not degrade. not the surface of polyolefin materials and are free of nitrogen and phosphorus.
- the cleaning compositions used in the process according to the invention contain in particular one or more short-chain alkanesulfonic acids having from 1 to 4 carbon atoms, and preferably contain methanesulfonic acid (AMS).
- AMS methanesulfonic acid
- the compositions of the invention contain from 0.5 to 100% by weight of alkanesulphonic acid (s), in particular from 0.5 to 20%, and more particularly from 0.5 to 5% by weight. .
- the cleaning compositions optionally contain one or more co-solvents, one or more co-acids (such as sulfuric, sulfamic, citric acid) which are miscible with water, optionally one or more thickeners. optionally one or more surfactants and optionally various other additives such as foaming agents, foam stabilizers, ....
- the contacting of the polyolefin material (s) and the cleaning composition is generally carried out between 10 and 90 ° C for a period generally of about one minute a few tens of minutes. Then it is rinsed in general with water to remove the cleaning composition remaining on the material that has just been cleaned and dried, for example in the open air.
- Such cleaning compositions based on alkane sulphonic acid (s) are for example described in EP 271 791 B1, in CA 2,499,592 A1 where they are only used for the cleaning of metallic objects (copper, aluminum , steel) and glass vials.
- polyolefin (s) is understood to mean homo- or copolymers of alpha olefins or diolefins, such as, for example, ethylene, propylene, butene-1, octene-1, butadiene, alone or in mixed.
- alpha-olefins having 3 to 30 carbon atoms as optional comonomers include propylene, 1-butene, 1-pentene, 3-methyl-1-butene, 1-hexene, 4-methyl-1-pentene, 3 1-methyl-1-pentene, 1-octene, 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicocene, 1-dococene, 1-tetracocene, 1-hexacocene, 1-octacocene , and 1-triacontene.
- These alpha-olefins can be used alone or in a mixture of two or more than two.
- polystyrene resins By way of example of polyolefins, mention may be made of:
- LDPE low density polyethylene
- HDPE high density polyethylene
- LLDPE linear low density polyethylene
- VLDPE very low density polyethylene
- polyethylene obtained by metallocene catalysis that is to say the polymers obtained by copolymerization of ethylene and of alpha-olefin such as propylene, butene, hexene or octene in the presence of a single-site catalyst generally consisting of a zirconium or titanium atom and two metal-linked cyclic alkyl molecules.
- metallocene catalysts are usually composed of two metal-bound cyclopentadiene rings. These catalysts are frequently used with aluminoxanes as cocatalysts or activators, preferably methylaluminoxane (MAO). Hafnium may also be used as the metal to which cyclopentadiene is attached.
- Other metallocenes may include transition metals of groups IV A, V A, and VI A. Metals of the lanthanide series may also be used. homopolymers or copolymers of propylene.
- ethylene / alpha-olefin copolymers such as ethylene / propylene, EPR (abbreviation of ethylene-propylene-rubber) and ethylene / propylene / diene (EPDM).
- EPR abbreviation of ethylene-propylene-rubber
- EPDM ethylene / propylene / diene
- SEBS Styrene / ethylene-butene / styrene block copolymers
- SBS styrene / butadiene / styrene
- SIS styrene / isoprene / styrene
- SEPS styrene / ethylene-propylene / styrene
- polyolefins are also understood to mean halogenated polyolefins such as plasticized or non-plasticized polyvinyl chloride (PVC), whether superchlorinated or not, polytetrafluoroethylene (PTFE) or polyvinylidene fluoride.
- PVC plasticized or non-plasticized polyvinyl chloride
- PTFE polytetrafluoroethylene
- PVDF halogenated polyolefin
- the roughness of each sample is calculated automatically by computer software. There are two roughness values: the quadratic roughness (Rq) and the average roughness (Ra). We arbitrarily chose to compare our samples from quadratic roughness.
- the quadratic roughness (Rq) expressed in nanometer, corresponds to the standard deviation of the values of Z (height of the sample at a point relative to any reference) on a surface. It is calculated by the following relation:
- Zi is the value of Z at the point i of the surface (in nm),
- ZM is the average value of Z on a given surface (in nm),
- Rq therefore informs us about the micro-relief of the surface: the lower it is, the smoother the surface and the more the surface is worn.
- the cleaning solution is sprayed under pressure.
- a double-jacketed reactor coupled to a thermostatically controlled oil bath is used.
- the molds studied are cut into plates of 3 cm x 3 cm x 0.5 cm side and these plates are placed on a 316 L stainless steel grid about 5 cm from the bottom of the reactor.
- the studied solution is then circulated using a centrifugal pump. The plates are thus sprayed with the solution according to the diagram of FIG.
- the cleaning compositions studied contain respectively 1% of methanesulphonic acid or 1% of phosphoric acid (the balance being water) and are brought into contact with the PP at 70 ° C. for a duration of 4 and 6 days. . After this spraying time, the plate is then removed, rinsed with distilled water at room temperature, and then dried in the open air for 4 hours and then measured by AFM. Table 2 below shows the roughness measurements made on the polypropylene mold samples contacted with the spray cleaning solutions. These measurements are expressed by the ratio of the roughness at time t on the initial roughness:
- the AMS-based compositions use the polypropylene molds less than the phosphoric acid-based compositions.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Dairy Products (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL08805802T PL2155848T3 (pl) | 2007-05-24 | 2008-05-19 | Sposób oczyszczania powierzchni z tworzyw na bazie poliolefiny(in), zabrudzonych przez produkty żywnościowe, zwłaszcza przez produkty mleczne |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0755251A FR2916322B1 (fr) | 2007-05-24 | 2007-05-24 | Procede de nettoyage de surfaces de materiaux a base de polyolefine(s) souilles par des denrees alimentaires notamment des produits laitiers |
| PCT/FR2008/050856 WO2008142354A2 (fr) | 2007-05-24 | 2008-05-19 | Procede de nettoyage de surfaces de materiaux a base de polyolefine(s) souilles par des denrees alimentaires notamment des produits laitiers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2155848A2 true EP2155848A2 (fr) | 2010-02-24 |
| EP2155848B1 EP2155848B1 (fr) | 2013-07-03 |
Family
ID=38895700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08805802.9A Active EP2155848B1 (fr) | 2007-05-24 | 2008-05-19 | Procede de nettoyage de surfaces de materiaux a base de polyolefine(s) souilles par des denrees alimentaires notamment des produits laitiers |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US20100229898A1 (fr) |
| EP (1) | EP2155848B1 (fr) |
| JP (3) | JP2010530292A (fr) |
| AU (1) | AU2008252702A1 (fr) |
| CA (1) | CA2688162C (fr) |
| DK (1) | DK2155848T3 (fr) |
| ES (1) | ES2425071T3 (fr) |
| FR (1) | FR2916322B1 (fr) |
| HR (1) | HRP20130870T1 (fr) |
| MX (1) | MX2009012657A (fr) |
| NZ (1) | NZ581455A (fr) |
| PL (1) | PL2155848T3 (fr) |
| PT (1) | PT2155848E (fr) |
| WO (1) | WO2008142354A2 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013216832A (ja) * | 2012-04-12 | 2013-10-24 | Adeka Corp | カルシウムスケール用洗浄剤組成物 |
| GB201402528D0 (en) * | 2014-02-13 | 2014-04-02 | Delphi Int Operations Luxembourg Sarl | High pressure fuel pump |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3642604A1 (de) * | 1986-12-13 | 1988-06-23 | Henkel Kgaa | Verwendung kurzkettiger alkansulfonsaeuren in reinigungs- und desinfektionsmitteln |
| JPH11209790A (ja) * | 1998-01-29 | 1999-08-03 | Kao Corp | 洗浄剤組成物 |
| DE10127919A1 (de) * | 2001-06-08 | 2002-12-19 | Ecolab Gmbh & Co Ohg | Reinigungsverfahren zur Stärkeentfernung |
| SE0203871D0 (sv) * | 2002-12-20 | 2002-12-20 | Delaval Holding Ab | Milking Devices |
| SE527446C2 (sv) * | 2004-06-10 | 2006-03-07 | Delaval Holding Ab | Mjölkningsanordningar |
| US7494963B2 (en) * | 2004-08-11 | 2009-02-24 | Delaval Holding Ab | Non-chlorinated concentrated all-in-one acid detergent and method for using the same |
| US7754670B2 (en) * | 2005-07-06 | 2010-07-13 | Ecolab Inc. | Surfactant peroxycarboxylic acid compositions |
-
2007
- 2007-05-24 FR FR0755251A patent/FR2916322B1/fr not_active Expired - Fee Related
-
2008
- 2008-05-19 CA CA2688162A patent/CA2688162C/fr active Active
- 2008-05-19 DK DK08805802.9T patent/DK2155848T3/da active
- 2008-05-19 NZ NZ581455A patent/NZ581455A/en unknown
- 2008-05-19 WO PCT/FR2008/050856 patent/WO2008142354A2/fr not_active Ceased
- 2008-05-19 ES ES08805802T patent/ES2425071T3/es active Active
- 2008-05-19 EP EP08805802.9A patent/EP2155848B1/fr active Active
- 2008-05-19 HR HRP20130870AT patent/HRP20130870T1/hr unknown
- 2008-05-19 AU AU2008252702A patent/AU2008252702A1/en not_active Abandoned
- 2008-05-19 MX MX2009012657A patent/MX2009012657A/es active IP Right Grant
- 2008-05-19 US US12/601,348 patent/US20100229898A1/en not_active Abandoned
- 2008-05-19 PL PL08805802T patent/PL2155848T3/pl unknown
- 2008-05-19 JP JP2010508882A patent/JP2010530292A/ja active Pending
- 2008-05-19 PT PT88058029T patent/PT2155848E/pt unknown
-
2012
- 2012-08-17 JP JP2012180901A patent/JP6223666B2/ja active Active
-
2016
- 2016-01-07 JP JP2016001525A patent/JP6224740B2/ja active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008142354A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016135853A (ja) | 2016-07-28 |
| JP6223666B2 (ja) | 2017-11-01 |
| ES2425071T3 (es) | 2013-10-11 |
| CA2688162A1 (fr) | 2008-11-27 |
| CA2688162C (fr) | 2013-07-16 |
| PL2155848T3 (pl) | 2013-10-31 |
| JP2013014769A (ja) | 2013-01-24 |
| WO2008142354A2 (fr) | 2008-11-27 |
| JP2010530292A (ja) | 2010-09-09 |
| PT2155848E (pt) | 2013-08-23 |
| HRP20130870T1 (hr) | 2013-10-25 |
| JP6224740B2 (ja) | 2017-11-01 |
| DK2155848T3 (da) | 2013-09-02 |
| NZ581455A (en) | 2011-04-29 |
| WO2008142354A3 (fr) | 2009-04-09 |
| FR2916322B1 (fr) | 2009-08-21 |
| EP2155848B1 (fr) | 2013-07-03 |
| AU2008252702A1 (en) | 2008-11-27 |
| FR2916322A1 (fr) | 2008-11-28 |
| MX2009012657A (es) | 2009-12-14 |
| US20100229898A1 (en) | 2010-09-16 |
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