ES2491870T3 - Composiciones de cierre y revestimiento libres de erucamida - Google Patents

Composiciones de cierre y revestimiento libres de erucamida Download PDF

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ES2491870T3
ES2491870T3 ES04715037.0T ES04715037T ES2491870T3 ES 2491870 T3 ES2491870 T3 ES 2491870T3 ES 04715037 T ES04715037 T ES 04715037T ES 2491870 T3 ES2491870 T3 ES 2491870T3
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copolymer
styrene
ethylene
parts
closure
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Marysusan Couturier
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WR Grace and Co Conn
WR Grace and Co
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WR Grace and Co
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    • 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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/06—Sealings formed by liquid or plastic material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/08—Copolymers of styrene
    • C08L25/10—Copolymers of styrene with conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K3/1006—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by the chemical nature of one of its constituents
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M157/00—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential
    • C10M157/10—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential at least one of them being a compound containing atoms of elements not provided for in groups C10M157/02 - C10M157/08
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/20—Carboxylic acid amides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/04—Non-macromolecular organic compounds
    • C09K2200/0458—Nitrogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
    • C09K2200/0615—Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09K2200/0617—Polyalkenes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
    • C09K2200/0615—Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09K2200/0617—Polyalkenes
    • C09K2200/062—Polyethylene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
    • C09K2200/0615—Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09K2200/0622—Polyvinylalcohols, polyvinylacetates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/12—Oxidised hydrocarbons, i.e. oxidised subsequent to macromolecular formation
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/08—Amides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/02—Unspecified siloxanes; Silicones
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/34—Fragrance or deodorizing properties
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/62—Food grade properties
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/14—Composite materials or sliding materials in which lubricants are integrally molded

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Closures For Containers (AREA)
  • Sealing Material Composition (AREA)
  • Paints Or Removers (AREA)
  • Lubricants (AREA)

Abstract

Una composición que comprende: (A) un polímero matriz, copolímero, o mezcla de los mismos, que está esencialmente libre de erucamida, que está esencialmente libre de amida insaturada, y que es adecuado 5 para su uso en la fabricación de un recipiente, cierre del recipiente, o sellador de cierre, seleccionándose dichos polímero matriz, copolímero, o mezcla de los mismos entre los polímeros termoplásticos que consisten en copolímero de polietileno o etileno con otros alquenos inferiores, polipropileno, caucho termoplástico, copolímero de poli(etileno y propileno), copolímero de etileno y propileno modificado con ácido, caucho de estireno y butadieno, copolímero en bloque de estireno y butadieno carboxilado, poliisopreno, copolímero en bloque de estireno isopreno estireno, copolímero en bloque de estireno butadieno estireno, copolímero en bloque de estireno etileno butileno estireno, copolímero de polietileno/propileno en bloque de poliestireno y, copolímero o terpolímero de etileno y acetato de vinilo, copolímero o terpolímero de etileno y acrilato, copolímero de etileno y alcohol vinílico, caucho butilado, y polímero de poli(cloruro de vinilo); (B) un lubricante que comprende un organopolisiloxano, teniendo dicho organopolisiloxano un peso molecular promedio no inferior a 40.000, estando presente dicho organosiloxano en dicha composición en una cantidad no inferior a 0,01 partes y no mayor de 10 partes basadas en 100 partes de dicho polímero matriz, copolímero o mezcla de los mismos que comprende dicho componente (A), y teniendo organopolisiloxano una viscosidad de al menos 50.000 cst; y (C) un coadyuvante de deslizamiento que comprende una amida saturada y un polietileno oxidado, estando presente dicho coadyuvante de deslizamiento en dicha composición en una cantidad no inferior a 0,01 partes y no mayor de 8 partes basadas en 100 partes de dicho componente (A), teniendo dicha amida un valor de yodo no mayor de 5 de acuerdo con ASTM D2075-92; proporcionando dicha composición cuando se emplea en un recipiente, cierre del recipiente, o sellador de cierre una reducción de sabor desagradable, a la vez que mantiene la eficacia del coadyuvante de deslizamiento cuando se compara con las composiciones que contienen la amida insaturada.

Description

imagen1
imagen2
Universal bajo el nombre comercial CRODA EBS. Una amida preferida para su uso en la presente invención es la estearamida.
Un polietileno oxidado también está presente, con la amida saturada, como coadyuvante de deslizamiento en la
5 composición de la presente invención. Los polietilenos oxidados están disponibles comercialmente de Honeywell bajo el nombre comercial de A-C, nombrándose una versión particularmente preferida o denominándose de otro modo "AC 629A". El intervalo de un coadyuvante de deslizamiento en la composición es de 0,01 a 8 partes basadas en 100 partes del polímero o los polímeros base.
10 Los componentes opcionales para su uso en las composiciones y métodos de la invención incluyen pigmentos, antioxidantes, estabilizadores, estabilizadores de UV, absorbentes de UV, tamices moleculares, aceites de hidrocarburos, plastificantes de éster de ftalato, aceite de soja epoxidado, agentes espumantes, coadyuvantes de procesamiento acrílicos, cargas, y nanocompuestos. Adicionalmente pueden incluirse componentes del embalaje activos tales como captadores de oxígeno, captadores de aldehídos, antimicrobianos y agentes potenciadores del
15 sabor.
Las composiciones ilustrativas de la invención se pueden formar, por ejemplo moldear, en recipientes de bebidas o alimentos, cierres, o selladores de cierre tales como revestimientos para tapas.
20 Las composiciones coadyuvantes de deslizamiento también se describen en la presente memoria. Una composición coadyuvante de deslizamiento ilustrativa para su uso en cierres de envases y selladores de cierre, comprende: una silicona (por ejemplo, un siloxano, un organosiloxano tal como poli(dimetil)siloxano que tiene un peso molecular medio no inferior a 40.000, estando presente dicha silicona en una cantidad no menor de 0,01 partes y no mayor de 10 partes basadas en 100 partes de dichos polímero o polímeros base, y un coadyuvante de deslizamiento que
25 comprende una amida saturada, un polietileno oxidado, o mezcla de los mismos; estando dicho coadyuvante de deslizamiento en una cantidad no menor de 0,01 partes y no mayor de 8 partes basadas en 100 partes de dichos polímero o polímeros base.
Las anteriores realizaciones y ejemplos se proporcionan con fines ilustrativos solamente y no se pretende que 30 limiten el alcance de la invención. En los ejemplos, se utilizan las siguientes abreviaturas:
EVA-1
Copolímero de etileno-acetato de vinilo, 14% VA
EVA-2
Copolímero de etileno-acetato de vinilo, 9% de VA
EP
Copolímero de etileno-propileno
ER
Crodamide™ ER
SR
Crodamide™ SR
EBS
Crodamide™ EBS
Si1
Fluido Dow Corning™ 200, 60000cst
Si2
Fluido Dow Corning 200™, 100000cst
Si3
Dow Corning™ MB50-320
Si4
Dow Corning™ MB50-002
AO
antioxidante
AZUL
pigmento
OXY
Polietileno oxidado
UV1
Tinuvin™ 622
UV2
Uvinul™ 3030
Ejemplo 1 (No es parte de la invención)
Las composiciones en la Tabla 1 de más abajo se mezclaron, se extruyeron en películas, y se destroquelaron discos
35 de 2,54 cm (1 pulgada). Los discos se insertaron a continuación en tapones de polipropileno de 28 mm, diseñados para aplicaciones de bebidas carbonatadas. Las tapas se aplicaron a continuación a botellas de PET de 0,59 L (20 oz) rellenas de agua utilizando una máquina de aplicación comercial. Las botellas se almacenaron a temperatura ambiente durante menos de una semana y más de 24 horas, después de lo cual, se midió la fuerza requerida para retirar la tapa y se anotó cualquier rotura, rozadura o perforación del revestimiento.
40
4 Tabla 1
A
B C D E F T
EVA-1
90 90 90 90 90 90 90
EP
10 10 10 10 10 10 10
AO
0,1 0,1 0,1 0,1 0,1 0,1 0,1
BLUE
0,8 0,8 0,8 0,8 0,8 0,8 0,8
ER
0 1 0 0 0 0 0
EBS
0 0 1,5 0 0 0 0
SR
0 0 0 1,5 0 0 0
OXP
0 0 0 1 0 0
Si1
0 0 0 0 0 1 0
Si2
0 0 0 0 0 0 0
Si3
0 0 0 0 0 0 2
imagen3
Par de extracción, en kg.
> 10,70 4,81 > 10,98 9,07 9,34 7,57 5,99
Perforación/Rozadura
100% 10% 70% 80% 40% 100% 100%
Como se ha mostrado más arriba, ni el lubricante ni el coadyuvante de deslizamiento por sí solos proporcionaron el mismo grado de rendimiento que la erucamida. Se cree que la perforación y/o rozadura del revestimiento están
5 causadas por la superficie de la botella que rompe el revestimiento. En la industria de alimentos y bebidas, esto se considera inaceptable, ya que puede causar la contaminación del envase. Una propiedad de lubricación/deslizamiento insuficiente en la superficie del revestimiento hará que ésta empeore.
Ejemplo 2
10 De acuerdo con el procedimiento descrito anteriormente para el Ejemplo 1, las siguientes composiciones se aplicaron a las tapas y se sometieron a ensayo, como se muestra en la Tabla 2 a continuación.
Tabla 2
A
B C
EVA
90 90 90
EP
10 10 10
AO
0,1 1 0,1
BLUE
0,8 0,8 0,8
Si3
3 3 0
Si2
0 0 1,5
SR
0 1 1
OXP
1,5 0 0,5
Par de extracción, en kg.
13,6 10,3 12,0
Perforación/Rozadura
0% 0% 14%
Estos datos indican que mediante la utilización de una mezcla de siloxanos y amidas etilénicamente saturadas y/o polietileno oxidado, combinados, se proporciona un rendimiento igual a la de erucamida.
5
imagen4
almacenaron a 46,11°C durante cuatro días, se retiraron y se mantuvieron a 20°C durante un día. Se retiraron tres discos de los frascos de vidrio, y dos se insertaron en botellas de PET de 0,59 L y un disco se insertó en una tapa de 28 mm comercial. Las botellas se llenaron con agua destilada, se taparon, y se almacenaron a 46,11°C durante 6 días, a continuación se almacenaron a 20°C. Las muestras de agua se proporcionaron a un panel sensorial entrenado y se evaluaron utilizando el método de perfil de sabor, que es un patrón reconocido de la industria. La formulación libre de erucamida tuvo intensidades de sabor y olor sistemáticamente más bajas que el control de erucamida.
Tabla 4
A
B
EVA-1
90 90
EP
10 10
AO
0,1 0,1
BLUE
0,8 0,8
Erucamida
0 1
Si3
0,8 0
Si2
1,3 0
SR
0,3 0
OXP
0,8 0
10 Ejemplo 6
En otro ejemplo sensorial más, la composición en la tabla 5 se mezcló mediante extrusión, se granuló, y se volvió a extrudir en forma de cinta. Una muestra del compuesto de revestimiento utilizado comercialmente actual para el
15 agua mineral se extruye en forma de cinta y se utiliza como control. Los discos se destroquelan de las cintas y se insertan en casquillos de plástico comerciales transparentes de 28 mm. Se llenan de agua botellas de vidrio transparente, con un volumen de 265 ml, con un espacio vacío de 5% en volumen, y cerraron la mano. Las botellas se colocaron en un aparato para medir el efecto del sol en las siguientes condiciones:
Bombilla de Xenon NXE-1500A
20 Filtro de cuarzo: 290 nm Distancia desde el filtro a la tapa: 17 cm. Tiempo de exposición: 42 horas.
Un panel entrenado en la utilización del método de ensayo triangular evaluó a continuación las muestras de agua. 25 Tabla 5
A
Si4
0,8
Si2
1,3
SR
0,3
OXP
0,8
EVA-1
100
AO
0,1
BLUE
0,8
UV1
0,3
UV2
0,25
Resultados sensoriales en comparación con el control comercial
Significación
96%
Diferencia
6
Preferencia
A
7
imagen5

Claims (1)

  1. imagen1
    imagen2
ES04715037.0T 2003-03-05 2004-02-26 Composiciones de cierre y revestimiento libres de erucamida Expired - Lifetime ES2491870T3 (es)

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US10/379,746 US6806313B2 (en) 2003-03-05 2003-03-05 Erucamide-free closure and liner compositions
PCT/US2004/005659 WO2004078833A2 (en) 2003-03-05 2004-02-26 Erucamide-free closure and liner compositions

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DE112004000367T5 (de) 2006-03-02
US7863380B2 (en) 2011-01-04
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US20060100372A1 (en) 2006-05-11
ES2277570B1 (es) 2008-06-16
WO2004078833A3 (en) 2004-12-02
CA2518462A1 (en) 2004-09-16
EP1599545A4 (en) 2007-06-20
WO2004078833A2 (en) 2004-09-16
GB2417488B (en) 2006-12-06
US20040176538A1 (en) 2004-09-09
CN1756804A (zh) 2006-04-05
HK1090077A1 (en) 2006-12-15
KR100798744B1 (ko) 2008-01-28
AU2004218013B2 (en) 2009-02-26
US6806313B2 (en) 2004-10-19
GB2417488A (en) 2006-03-01
ZA200506901B (en) 2006-06-28
CA2518462C (en) 2009-09-15
EP2810992A1 (en) 2014-12-10
TR200503532T2 (tr) 2005-10-21
CN100369974C (zh) 2008-02-20
ES2698965T3 (es) 2019-02-06
BRPI0408018A (pt) 2006-02-14
EP1599545B1 (en) 2014-08-06
MXPA05009287A (es) 2005-10-05
BRPI0408018B1 (pt) 2013-11-05
EP1599545A2 (en) 2005-11-30
EP2810992B1 (en) 2018-09-26
AR043491A1 (es) 2005-08-03
KR20050109951A (ko) 2005-11-22
JP2006519912A (ja) 2006-08-31
GB0518881D0 (en) 2005-10-26

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