ES2564251T3 - Composición de polímero - Google Patents

Composición de polímero Download PDF

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ES2564251T3
ES2564251T3 ES08762525.7T ES08762525T ES2564251T3 ES 2564251 T3 ES2564251 T3 ES 2564251T3 ES 08762525 T ES08762525 T ES 08762525T ES 2564251 T3 ES2564251 T3 ES 2564251T3
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methyl methacrylate
ethyl acrylate
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Mark Davies
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Mitsubishi Chemical UK Ltd
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Lucite International UK Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
    • C08J2433/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2455/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2423/00 - C08J2453/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2455/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2423/00 - C08J2453/00
    • C08J2455/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2455/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2423/00 - C08J2453/00
    • C08J2455/04—Polyadducts obtained by the diene synthesis
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
    • C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/04—Thermoplastic elastomer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/53—Core-shell polymer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
    • C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

Composición que comprende una mezcla de: (i) un policarbonato aromático; (ii) un copolímero de injerto que incluye poliacrilonitrilo; y, (iii) un polímero acrílico no reticulado que tiene un peso molecular promedio en peso (Mw) de entre más de o igual a 25.000 Daltons (Da) y menos de o igual a 65.000 (Da).

Description

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En los siguientes ejemplos, el índice de flujo del fundido de un material polimérico se mide según la norma ISO 1133:1997 a 260ºC usando una carga de 5 kg/cm3 sobre el pistón del reómetro. Se preparan muestras mediante extrusión con doble husillo y se acondicionan previamente en un horno de vacío a 80ºC durante 24 horas. El material se carga en el cilindro de un reómetro calentado hasta 260ºC y equipado con una hilera de diámetro de 2,095 ml. Se permite que el reómetro cargado se equilibre durante 10 minutos antes de las pruebas.
La resistencia al impacto (Izod con muesca) de un material polimérico se mide según la norma ISO-180A. Las probetas son de tipo 1A multipropósito que tienen las lengüetas de los extremos cortadas. La probeta resultante mide 80 x 10 x 4 mm. La profundidad bajo la muesca de la probeta es de 8 mm. Para pruebas a temperatura reducida, la probeta se acondiciona previamente durante 6 horas en un congelador fijado a la temperatura de prueba deseada. Normalmente, el tiempo que se tarda desde que se saca la probeta del congelador hasta el impacto es de 5 segundos.
La temperatura de reblandecimiento Vicat B de un material polimérico se determina según la norma ISO 306B:1987, segunda edición.
El Mw de un material polimérico se determina usando cromatografía de permeación en gel tal como sigue. Se hace pasar una disolución diluida de polímero (30 mg de polímero disueltos en 10 ml de cloroformo) a través de una columna (2x PLgel 10 µm MIXED-B/300x7,5 mm/n.º de parte 1110-6100 de Polymer Laboratories Ltd., RU) en un horno mantenido a 30ºC (horno de columna 505 LC de Polymer Laboratories Ltd, RU) con cloroformo como disolvente a una velocidad de flujo de 1 ml/min usando una bomba de HPLC (bomba de HPLC LC1120 de Polymer Laboratories Ltd, RU).
La salida de la columna está equipada con un detector de infrarrojos (detector de IR de uso general Miran-1A CVF de Foxboro) que se ajusta a la absorción de carbonilo (5,90 micrómetros) y esto se usa para la determinación rutinaria de los pesos moleculares de polímeros acrílicos que son solubles en cloroformo.
La calibración se lleva a cabo usando patrones de PMMA de Polymer Laboratories Ltd, RU que cubren un intervalo de peso molecular de ∼ 5000 -1500000.
La figura 1 es un gráfico de la resistencia al impacto de una composición frente a la velocidad de flujo del fundido de una composición.
La figura 2 es un gráfico del tiempo de enfriamiento mínimo de diversas composiciones en una aplicación de moldeo por inyección frente a la velocidad de flujo del fundido de una composición.
Ejemplo 1 -Preparación de un polímero acrílico no reticulado que comprende metacrilato de metilo y acrilato de etilo
(97:3)
Se carga un autoclave de acero inoxidable de 150 litros equipado con un agitador y una camisa de calentamiento y enfriamiento con 54 litros de agua desionizada, 30 kg de metacrilato de metilo (el 97% en peso), 928 g de acrilato de etilo (el 3% en peso), 1259 g de poli(ácido metacrílico) (PMA, el 4,07% en peso basándose en la cantidad total de monómeros), 260 g de hidrogenofosfato de disodio deshidratado (el 0,84% en peso basándose en la cantidad total de monómeros), 62 g de 2,2’-azobis(isobutironitrilo) (AIBN) (el 0,2% en peso basándose en la cantidad total de monómeros) y 343 g de dodecilmercaptano (el 1,11% en peso basándose en la cantidad total de monómeros) con agitación a temperatura ambiente. Se sella el autoclave y se purga con nitrógeno. Se presuriza el autoclave sellado hasta 6 psi y entonces se calienta hasta 82ºC. Se agita la mezcla de reacción mientras avanza la reacción y se mantiene a 82ºC hasta que la exoterma de la reacción comienza a decrecer, tras lo cual se calienta la mezcla de reacción a 95ºC durante 20 minutos para reducir los niveles de monómeros residuales y descomponer cualquier iniciador residual. Entonces se enfría la mezcla de reacción hasta temperatura ambiente, se retira el contenido del autoclave y se filtra. Entonces se lava el polímero filtrado con agua desionizada, se extiende sobre bandejas y se seca en un horno de aire a una temperatura de 80ºC durante 48 horas, para producir un copolímero acrílico que comprende el 97% en peso de metacrilato de metilo y el 3% en peso de acrilato de etilo que tiene un peso molecular promedio en peso (Mw) de 45.000 Da tal como se determina mediante cromatografía de permeación en gel.
Ejemplo 2 -Preparación de polímero acrílico no reticulado que comprende metacrilato de metilo y acrilato de etilo
(97:3)
Se repitió el ejemplo 1 excepto porque se emplearon 247,5 g de dodecilmercaptano (el 0,8% en peso basándose en la cantidad total de monómeros). Esto produjo un copolímero acrílico que comprendía el 97% en peso de metacrilato de metilo y el 3% en peso de acrilato de etilo que tenía un peso molecular promedio en peso (Mw) de 50.000 Da tal como se determina mediante cromatografía de permeación en gel.
Ejemplo 3 -Preparación de polímero acrílico no reticulado que comprende metacrilato de metilo y acrilato de etilo
(97:3)
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Claims (1)

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ES08762525.7T 2007-06-08 2008-06-05 Composición de polímero Active ES2564251T3 (es)

Applications Claiming Priority (3)

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GBGB0711017.4A GB0711017D0 (en) 2007-06-08 2007-06-08 Polymer Composition
GB0711017 2007-06-08
PCT/GB2008/050415 WO2008149156A1 (en) 2007-06-08 2008-06-05 Polymer composition

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US (2) US9676938B2 (es)
EP (1) EP2155819B1 (es)
JP (3) JP5781761B2 (es)
KR (1) KR101672416B1 (es)
CN (1) CN101679737B (es)
AU (1) AU2008259522B2 (es)
BR (1) BRPI0811491B1 (es)
CA (1) CA2685812C (es)
DK (1) DK2155819T3 (es)
EG (1) EG25972A (es)
ES (1) ES2564251T3 (es)
GB (1) GB0711017D0 (es)
HU (1) HUE027704T2 (es)
MX (1) MX338998B (es)
MY (1) MY154373A (es)
PL (1) PL2155819T3 (es)
PT (1) PT2155819E (es)
RU (1) RU2471831C2 (es)
SG (1) SG182178A1 (es)
SI (1) SI2155819T1 (es)
TW (1) TWI460227B (es)
UA (1) UA100378C2 (es)
WO (1) WO2008149156A1 (es)

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