ES2613353T3 - Procedimiento para la fabricación de gránulos de polímero termoplástico - Google Patents
Procedimiento para la fabricación de gránulos de polímero termoplástico Download PDFInfo
- Publication number
- ES2613353T3 ES2613353T3 ES10810412.6T ES10810412T ES2613353T3 ES 2613353 T3 ES2613353 T3 ES 2613353T3 ES 10810412 T ES10810412 T ES 10810412T ES 2613353 T3 ES2613353 T3 ES 2613353T3
- Authority
- ES
- Spain
- Prior art keywords
- thermoplastic polymer
- granules
- polymer
- polymer granules
- procedure
- 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.)
- Active
Links
- 239000008187 granular material Substances 0.000 title abstract description 13
- 238000004519 manufacturing process Methods 0.000 title abstract description 3
- 238000000034 method Methods 0.000 title abstract description 3
- 229920001169 thermoplastic Polymers 0.000 title abstract 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 abstract 4
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 9
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- PYJJCSYBSYXGQQ-UHFFFAOYSA-N trichloro(octadecyl)silane Chemical compound CCCCCCCCCCCCCCCCCC[Si](Cl)(Cl)Cl PYJJCSYBSYXGQQ-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 240000007930 Oxalis acetosella Species 0.000 description 1
- 235000008098 Oxalis acetosella Nutrition 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/02—Dispensing from vessels, e.g. hoppers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/3001—Extrusion nozzles or dies characterised by the material or their manufacturing process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Robotics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Un procedimiento para la fabricación de gránulos de polímero termoplástico, que comprende: (a) fundir un polímero termoplástico para formar una masa fundida de polímero; (b) extruir la masa fundida a través de un troquel para formar un material extruido de polímero fundido sustancialmente continuo; (c) enfriar el material extruido para formar un material extruido enfriado; y (d) la granulación del material extruido enfriado para formar una pluralidad de gránulos de polímero; caracterizado por que el troquel tiene una superficie de contacto que lleva un recubrimiento de polímero que tiene una energía superficial de menos de 25 mN/m a 20 ºC.
Description
la dificultad de separar los gránulos. "1" significa que no había pegajosidad y "6" significa que no podían ser separados fácilmente. Típicamente, los gránulos con una calificación de 1 o 2 parecen ser estables en la producción.
El impacto de la extrusión a través de un troquel que tiene un recubrimiento de baja energía superficial se estimó mediante moldeo por compresión de gránulos a 200 ºC entre placas de Teflon™. Después de enfriar, la lámina 5 moldeada por compresión resultante se cortó en tiras y se granuló manualmente. La pegajosidad de los gránulos resultantes se midió utilizando el sencillo método de prensado y de liberación.
Composiciones 1 a 4
Se prepararon gránulos con cuatro composiciones de copolímeros de propileno-hexeno y aditivos que se indican en la Tabla 1. Los agentes de pegajosidad añadidos fueron un polipropileno maleado (AC-596 de Honeywell) y un
10 hidrocarburo (Escorez 5637 de ExxonMobil Chemical). Se añadió Irganox 1010 como un estabilizador (antioxidante). Los copolímeros, agentes de pegajosidad, y el estabilizador se mezclaron para la extrusión. Un agente anti-bloque, Hydrocer 145 de Shamrock Technologies se añadió al baño de agua para evitar que los gránulos se apelmazasen y se aglomerasen.
Tabla 1
- Composición
- hexeno (%) AC-596 Escorez Hydrocer Shore A Tm (ºC)
- 1
- 5,7 2 % 8 % <0,1 % 90 123
- 2
- 5,7 4 % 12 % <0,1 % 65 112
- 3
- 5,7 4 % 12 % <0,1 % 50 107
- 4
- 5,7 4 % 12 % <0,1 % 56 105
15 La estabilidad de los gránulos, es decir, la susceptibilidad al apelmazamiento y la aglomeración, se determinó mediante la observación por microscopía óptica del grosor de la piel de la superficie y la cristalinidad de la superficie medida por un equipo generador de frecuencias Sum (SFR) usando resonancia Fermi a 2908 cm-1 CH 2 como la medida de la cristalinidad. Como se muestra en la Tabla 2, el gránulo que presenta la piel cristalina gruesa y alta cristalinidad de la superficie, es un gránulo estable.
20 Tabla 2
- Composición
- Estabilidad del gránulo Grosor de la piel (micras) Cristalinidad de la superficie
- 1
- Estable 135 Alta
- 2
- Semi-estable 70 Algunos
- 3
- Aglomerado 0 Ninguno
- 4
- Aglomeración severa 0 Ninguno
Las composiciones 3 y 4 se fundieron y se pusieron en contacto con una superficie OTS (octadecil-triclorosilano) (24 mN/m de tensión superficial) y con una superficie de politetrafluororetileno (Teflon™ de E.I. du Pont de Nemours & Company) (18 mN/m de tensión superficial). Las composiciones se dejaron enfriar contra las dos superficies. Después, sus valores de cristalinidad de la piel se midieron usando SFR. Como se muestra en la Tabla 3, los valores
25 de cristalinidad de la superficie de las Composiciones 3 y 4 podrían elevarse a aproximadamente los valores de las Composiciones 1 y 2 poniéndolas en contacto contra superficies de baja tensión superficial para promover la migración de la piel de poliolefina y la cristalización de la superficie. El límite de detección del SFR establece la definición de "alguna" cristalinidad que es superior a 5 J/g.
Tabla 3
- Composición
- Cristalinidad superficial tal cual Cristalinidad superficial frente a OET Cristalinidad superficial frente a Teflon™
- 3
- Ninguno Alta Alta
- 4
- Ninguno No disponible Algunos
7
Claims (1)
-
imagen1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US583318 | 1996-01-05 | ||
| US12/583,318 US8709315B2 (en) | 2009-08-18 | 2009-08-18 | Process for making thermoplastic polymer pellets |
| PCT/US2010/045247 WO2011022280A1 (en) | 2009-08-18 | 2010-08-12 | Process for making thermoplastic polymer pellets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2613353T3 true ES2613353T3 (es) | 2017-05-24 |
Family
ID=43604490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES10810412.6T Active ES2613353T3 (es) | 2009-08-18 | 2010-08-12 | Procedimiento para la fabricación de gránulos de polímero termoplástico |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8709315B2 (es) |
| EP (1) | EP2480389B1 (es) |
| CN (2) | CN105563684A (es) |
| ES (1) | ES2613353T3 (es) |
| SG (1) | SG178330A1 (es) |
| WO (1) | WO2011022280A1 (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8709315B2 (en) * | 2009-08-18 | 2014-04-29 | Exxonmobil Chemical Patents Inc. | Process for making thermoplastic polymer pellets |
| US20120205833A1 (en) * | 2011-02-11 | 2012-08-16 | Fina Technology, Inc. | Pelletizing high melt flow polystyrene |
| US8530581B2 (en) | 2011-12-12 | 2013-09-10 | Exxonmobil Chemical Patents Inc. | Powder, compositions thereof, processes for making the same, and articles made therefrom |
| US9646599B2 (en) * | 2013-10-24 | 2017-05-09 | Spirit Aerosystems, Inc. | Remoldable contour sensor holder |
| CN106414568B (zh) * | 2014-05-29 | 2019-08-06 | 埃克森美孚化学专利公司 | 聚乙烯薄膜及其生产 |
| US10124528B2 (en) | 2014-05-29 | 2018-11-13 | Exxonmobil Chemical Patents Inc. | Cyclic-diene additives in polyethylene films and enhanced film orientation balance in production thereof |
| US10125247B2 (en) | 2014-05-29 | 2018-11-13 | Exxonmobil Chemical Patents Inc. | Polyethylene compositions |
| US10196508B2 (en) | 2014-10-24 | 2019-02-05 | Exxonmobil Chemical Patents Inc. | Thermoplastic vulcanizate compositions |
| WO2020214958A1 (en) | 2019-04-17 | 2020-10-22 | Exxonmobil Chemical Patents Inc. | Method for improving uv weatherability of thermoplastic vulcanizates |
| CN121175162A (zh) * | 2023-05-23 | 2025-12-19 | 博里利斯有限责任公司 | 用于生产聚烯烃的粒料的方法和由此生产的粒料 |
| KR20260018813A (ko) * | 2023-05-31 | 2026-02-09 | 에코랍 유에스에이 인코퍼레이티드 | 유동성 중합체 본체와 관련된 블로킹 및 파울링으로부터 보호하기 위한 처리 전략 |
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| US9314544B2 (en) * | 2007-08-17 | 2016-04-19 | Kemal Vatansever Catalan | Durable hydrophilic coating compositions |
| US8709315B2 (en) * | 2009-08-18 | 2014-04-29 | Exxonmobil Chemical Patents Inc. | Process for making thermoplastic polymer pellets |
-
2009
- 2009-08-18 US US12/583,318 patent/US8709315B2/en not_active Expired - Fee Related
-
2010
- 2010-08-12 SG SG2012008934A patent/SG178330A1/en unknown
- 2010-08-12 EP EP10810412.6A patent/EP2480389B1/en active Active
- 2010-08-12 ES ES10810412.6T patent/ES2613353T3/es active Active
- 2010-08-12 CN CN201610131631.6A patent/CN105563684A/zh active Pending
- 2010-08-12 CN CN2010800364525A patent/CN102481700A/zh active Pending
- 2010-08-12 WO PCT/US2010/045247 patent/WO2011022280A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP2480389A4 (en) | 2013-04-24 |
| CN105563684A (zh) | 2016-05-11 |
| SG178330A1 (en) | 2012-03-29 |
| EP2480389A1 (en) | 2012-08-01 |
| WO2011022280A8 (en) | 2012-03-29 |
| WO2011022280A1 (en) | 2011-02-24 |
| EP2480389B1 (en) | 2016-11-16 |
| US8709315B2 (en) | 2014-04-29 |
| CN102481700A (zh) | 2012-05-30 |
| US20110042380A1 (en) | 2011-02-24 |
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