ES2581309T3 - Método para producir granulados expandibles que contienen poli(ácido láctico) - Google Patents
Método para producir granulados expandibles que contienen poli(ácido láctico) Download PDFInfo
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- ES2581309T3 ES2581309T3 ES13163665.6T ES13163665T ES2581309T3 ES 2581309 T3 ES2581309 T3 ES 2581309T3 ES 13163665 T ES13163665 T ES 13163665T ES 2581309 T3 ES2581309 T3 ES 2581309T3
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/127—Mixtures of organic and inorganic blowing agents
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/16—Making expandable particles
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/16—Making expandable particles
- C08J9/18—Making expandable particles by impregnating polymer particles with the blowing agent
-
- 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
- C08L33/062—Copolymers with monomers not covered by C08L33/06
- C08L33/068—Copolymers with monomers not covered by C08L33/06 containing glycidyl groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- 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
- C08J2333/00—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
- C08J2333/04—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
- C08J2333/14—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 halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- 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
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
Abstract
Método para producir granulados expandibles que contienen poli(ácido láctico), el cual comprende las etapas de: a) fundir e incorporar en mezcla los componentes i) 50 a 99,9 % en peso, respecto del peso total de los componentes i a iii, de poli(ácido láctico), ii) 0 a 49,9 % en peso, respecto del peso total de los componentes i a iii, de uno o de varios otros polímeros iii) 0,1 a 2 % en peso, respecto del peso total de los componentes i a iii, de un diepóxido o poliepóxido y iv) 0,1 a 5 % en peso, respecto del peso total de los componentes i y iii, de un agente de nucleación, b) incorporar en mezcla v) 1 a 7 % en peso, respecto del peso total de los componentes i a iv, de un propelente orgánico y vi) 0,01 a 5 % en peso de un co-propelentes, que se selecciona del grupo de nitrógeno, dióxido de carbono, argón, helio o mezclas de los mismos, al polímero fundido por medio de un mezclador estático o dinámico a una temperatura de al menos 140 °C, c) descargar a través de una placa de toberas con perforaciones, cuyo diámetro a la salida de la tobera es de máximo 1,5 mm, y d) granular el material fundido que contiene propelente directamente después de la placa de toberas a una presión en el intervalo de 1 a 20 bar.
Description
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Ejemplo 5*
Se incorporaron mezclando 5,7 partes de una mezcla 50/50 de componente v-1 y componente v-2 en un material fundido de 79,6 partes de i-1, 20 partes de ii-1, 0,4 partes de iii-1 y 0,3 partes de iv-1 a una temperatura de fusión de 200°C -220°C. Las cantidades indicadas en partes se refieren a la cantidad total de los componentes i-1, ii-1 y iii-1. El material fundido fue transportado con un rendimiento de 10,0 kg/h a través de una placa de toberas con una perforación (diámetro de la tobera 0,8 mm). Con ayuda de una granulación bajo agua con presión (9 bar) aplicada se produjeron granulados compactos con una distribución estrecha de tamaño (tamaño promedio de partícula 1,4 mm).
Mediante la acción de un flujo del vapor de agua se produjo la espuma de los granulados. Las perlas de granulado en espuma poseen una densidad mínima aparente de 74 kg/m3.
Ejemplo 6*
Se incorporaron mezclando 5,7 partes de n-pentano (componente v-2) en un material fundido de 79,6 partes de i-1, 20 partes de ii-1, 0,4 partes iii-1 y 0,3 partes de iv-1 a una temperatura de fusión de 200°C -220°C. Las cantidades indicadas en partes se refieren a la cantidad total de los componentes i-1, ii-1 y iii-1. El material fundido fue transportado con un rendimiento de 10,0 kg/h a través de una placa de toberas con una perforación (diámetro de la tobera 0,8 mm). Con ayuda de una granulación bajo agua con presión (9 bar) aplicada se produjeron granulados compactos con una distribución estrecha de tamaño (tamaño promedio de partícula 1,4 mm).
Mediante la acción de un flujo del vapor de agua se produjo la espuma de los granulados. Las perlas de granulado en espuma poseen una densidad mínima aparente de 94 kg/m3.
Tabla:
- Ejemplos
- Componente i1 [Partes] Componente ii1 [Partes] Componente iii1 [Partes] Componente iv1 [Partes] Componente v [Partes] Densidad mínima aparente [kg/m3]
- Ejemplo 4*
- 79,6 20 0,4 0,3 5,7 Comp. v-1 54
- Ejemplo 5*
- 79,6 20 0,4 0,3 5,7 Comp. v-1 (50%) Comp. v-2 (50%) 74
- Ejemplo 6*
- 79,6 20 0,4 0,3 5,7 Comp. v-2 94
Los ejemplos 4* a 6* presentan la misma concentración de propelente y componentes i a iv. De modo sorprendente, el ejemplo 4* muestra un mejor comportamiento de expansión frente a los ejemplos 5* y 6*, determinado por una menor densidad aparente mínima de las perlas transformadas en espuma. Esto representa una clara ventaja por el uso de iso-pentano como propelente frente al uso de n-pentano en este sistema.
* No son objeto de esta solicitud
Ejemplo 7
Se incorporaron mezclando 5,7 partes de iso-pentano (componente v-1) y 0,5 partes de dióxido de carbono (vi-2) en un material fundido de 79,6 partes de componente i-1, 20 partes de componente ii-1, 0,4 partes de componente iii-1 y 0,3 partes de componente iv-1 a una temperatura de fusión de 200°C -220°C. Las cantidades indicadas en partes se refieren a la cantidad total de los componentes i-1, ii-1 y iii-1. El material fundido fue transportado con un rendimiento de 3,5 kg/h a través de una placa de toberas con una perforación (diámetro de la tobera 0,65 mm). Con ayuda de una granulación bajo agua (temperatura del agua 40°C) con presión (12 bar) aplicada se produjeron granulados compactos con distribución estrecha de tamaño. El tamaño promedio de partícula fue de 1,4 mm. La densidad de los granulados impregnados (perlas crudas) fue de 664 kg/m3.
Mediante la acción de un flujo del vapor de agua se produjo la espuma de los granulados. Las perlas de granulado en espuma poseen una densidad de 30 kg/m3. La densidad mínima aparente de las perlas de granulado en espuma después de 16 semanas todavía era de 41 kg/m3.
Ejemplo 8
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Claims (1)
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Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10150730 | 2010-01-14 | ||
EP10150730 | 2010-01-14 | ||
EP10193484 | 2010-12-02 | ||
EP10193484 | 2010-12-02 |
Publications (1)
Publication Number | Publication Date |
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ES2581309T3 true ES2581309T3 (es) | 2016-09-05 |
Family
ID=43858164
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES11700056.2T Active ES2558062T3 (es) | 2010-01-14 | 2011-01-06 | Método para la producción de granulados que contienen poliácido láctico que pueden expandirse |
ES13163665.6T Active ES2581309T3 (es) | 2010-01-14 | 2011-01-06 | Método para producir granulados expandibles que contienen poli(ácido láctico) |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES11700056.2T Active ES2558062T3 (es) | 2010-01-14 | 2011-01-06 | Método para la producción de granulados que contienen poliácido láctico que pueden expandirse |
Country Status (10)
Country | Link |
---|---|
US (2) | US9212270B2 (es) |
EP (2) | EP2524004B1 (es) |
JP (2) | JP5886208B2 (es) |
KR (1) | KR101778325B1 (es) |
CN (1) | CN102712801B (es) |
AU (1) | AU2011206716B2 (es) |
BR (1) | BR112012017449B8 (es) |
CA (1) | CA2787222C (es) |
ES (2) | ES2558062T3 (es) |
WO (1) | WO2011086030A2 (es) |
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KR20120125628A (ko) | 2012-11-16 |
BR112012017449B8 (pt) | 2019-11-12 |
EP2617771A3 (de) | 2013-08-21 |
US20130150468A1 (en) | 2013-06-13 |
JP5886208B2 (ja) | 2016-03-16 |
WO2011086030A3 (de) | 2011-09-09 |
JP2015165033A (ja) | 2015-09-17 |
AU2011206716A1 (en) | 2012-08-16 |
JP2013517340A (ja) | 2013-05-16 |
ES2558062T3 (es) | 2016-02-01 |
CA2787222A1 (en) | 2011-07-21 |
US20160060417A1 (en) | 2016-03-03 |
BR112012017449B1 (pt) | 2019-10-29 |
WO2011086030A2 (de) | 2011-07-21 |
US9212270B2 (en) | 2015-12-15 |
CN102712801A (zh) | 2012-10-03 |
CA2787222C (en) | 2017-12-12 |
KR101778325B1 (ko) | 2017-09-13 |
EP2524004A2 (de) | 2012-11-21 |
AU2011206716B2 (en) | 2014-01-30 |
EP2617771B1 (de) | 2016-04-06 |
US10253150B2 (en) | 2019-04-09 |
CN102712801B (zh) | 2014-10-08 |
EP2524004B1 (de) | 2015-11-11 |
BR112012017449A2 (pt) | 2016-04-19 |
JP6049810B2 (ja) | 2016-12-21 |
EP2617771A2 (de) | 2013-07-24 |
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