MX170418B - IMPROVED PROCESS FOR OBTAINING CRYSTALLIZED POLYETHYLENE TERPHTHALATE - Google Patents

IMPROVED PROCESS FOR OBTAINING CRYSTALLIZED POLYETHYLENE TERPHTHALATE

Info

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
Application number
MX1674989A
Other languages
Spanish (es)
Inventor
Fernando Caro Gonzalez
Jorge Gutierrez Mendez
David Aguirre Carbajal
Enrique Rivera Segundo
Original Assignee
Mexicano Inst Petrol
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mexicano Inst Petrol filed Critical Mexicano Inst Petrol
Priority to MX1674989A priority Critical patent/MX170418B/en
Publication of MX170418B publication Critical patent/MX170418B/en

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  • 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.

MX1674989A 1989-07-11 1989-07-11 IMPROVED PROCESS FOR OBTAINING CRYSTALLIZED POLYETHYLENE TERPHTHALATE MX170418B (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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