MX170418B - IMPROVED PROCESS FOR OBTAINING CRYSTALLIZED POLYETHYLENE TERPHTHALATE - Google Patents
IMPROVED PROCESS FOR OBTAINING CRYSTALLIZED POLYETHYLENE TERPHTHALATEInfo
- Publication number
- MX170418B MX170418B MX1674989A MX1674989A MX170418B MX 170418 B MX170418 B MX 170418B MX 1674989 A MX1674989 A MX 1674989A MX 1674989 A MX1674989 A MX 1674989A MX 170418 B MX170418 B MX 170418B
- Authority
- MX
- Mexico
- Prior art keywords
- polyethylene terephthalate
- obtaining
- improved process
- type
- crystallized
- Prior art date
Links
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
La presente invención se refiere a proceso mejorado para la obtención de politilentereftalato cristalizado del tipo que emplea una resina de polietilentereftalato con una viscosidad intrínseca de 0.70 a 1.2 dl/g, caracterizado porque el proceso comprende un pre-mezclado de resina de polietilentereftalato con un agente nucleante del tipo de las poliolefinas y un promotor de velocidad de cristalización del tipo de los carbonatos metálicos, donde esta mezcla es alimentada a un equipo mezclador-amasador-homogenizador en el cual se mantiene una temperatura dentro del rango de 245 a 260 grados C, una velocidad de rotores de 70 a 120 rpm durante un tiempo aproximado de 3 a 5 minutos, el producto de salida del equipo se deja enfriar hasta temperatura ambiente, obteniéndose así un polietilentereftalato cristalizado.The present invention refers to an improved process for obtaining crystallized polythyleneterephthalate of the type that uses a polyethylene terephthalate resin with an intrinsic viscosity of 0.70 to 1.2 dl / g, characterized in that the process comprises a pre-mixing of polyethylene terephthalate resin with an agent nucleating agent of the polyolefin type and a crystallization rate promoter of the metal carbonate type, where this mixture is fed to a mixer-kneader-homogenizer equipment in which a temperature within the range of 245 to 260 degrees C is maintained, At a rotor speed of 70 to 120 rpm for an approximate time of 3 to 5 minutes, the output of the equipment is allowed to cool to room temperature, thus obtaining a crystallized polyethylene terephthalate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX1674989A MX170418B (en) | 1989-07-11 | 1989-07-11 | IMPROVED PROCESS FOR OBTAINING CRYSTALLIZED POLYETHYLENE TERPHTHALATE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX1674989A MX170418B (en) | 1989-07-11 | 1989-07-11 | IMPROVED PROCESS FOR OBTAINING CRYSTALLIZED POLYETHYLENE TERPHTHALATE |
Publications (1)
Publication Number | Publication Date |
---|---|
MX170418B true MX170418B (en) | 1993-08-20 |
Family
ID=19742344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX1674989A MX170418B (en) | 1989-07-11 | 1989-07-11 | IMPROVED PROCESS FOR OBTAINING CRYSTALLIZED POLYETHYLENE TERPHTHALATE |
Country Status (1)
Country | Link |
---|---|
MX (1) | MX170418B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113563698A (en) * | 2021-09-23 | 2021-10-29 | 苏州宝丽迪材料科技股份有限公司 | Reactive functional polyester master batch and preparation method thereof |
-
1989
- 1989-07-11 MX MX1674989A patent/MX170418B/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113563698A (en) * | 2021-09-23 | 2021-10-29 | 苏州宝丽迪材料科技股份有限公司 | Reactive functional polyester master batch and preparation method thereof |
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