Title:
A METHOD FOR MANUFACTURING A POLYESTER BASED POLYMER ARTICLE
Document Type and Number:
WIPO Patent Application WO/2017/005937
Kind Code:
A3
Abstract:
The present invention relates to a method enabling either the selection, the modification of existing and/or the creation of newly developed polyester based polymer materials which may provide an improved response to the application of a local shear and/or extensional deformation inside the polyester based polymer melt in injection stretch blow molding (ISBM). In addition, a method for manufacturing a polymer article is provided comprising injecting a molten polyester based polymer in a preform mold for converting it in a preform while applying a shear and/or extensional deformation on the polyester based polymer melt, wherein applying shear and/or extensional deformation on the polyester based polymer melt comprises selectively modifying the flow path of the molten polymer as a function of local pressure profile over at least part of the flow path, said local pressure profile being determined as a function of optimized response of the polyester based polymer melt to the applied local shear and/or extensional deformation over at least said part of the flow path.
Inventors:
ROBBRECHT JOHAN (BE)
Application Number:
PCT/EP2016/066447
Publication Date:
February 23, 2017
Filing Date:
July 11, 2016
Export Citation:
Assignee:
KEIRYO PACKAGING SA (LU)
International Classes:
B29C45/00; B29C45/30; B29C49/00; B29C49/06; B29K67/00
Domestic Patent References:
| WO2002036324A1 | 2002-05-10 | |||
| WO2010060641A2 | 2010-06-03 |
Foreign References:
| US5556582A | 1996-09-17 | |||
| EP1073551A1 | 2001-02-07 | |||
| EP0672081A1 | 1995-09-20 | |||
| EP0308088A2 | 1989-03-22 |
Other References:
J. VLACHOPOULOS ET AL: "Polymer processing", MATERIALS SCIENCE AND TECHNOLOGY, vol. 19, no. 9, 1 September 2003 (2003-09-01), GB, pages 1161 - 1169, XP055218631, ISSN: 0267-0836, DOI: 10.1179/026708303225004738
V B GUPTA ET AL: "Chapter 7 PET Fibers, Films, and Bottles", HANDBOOK OF THERMOPLASTIC POLYESTERS: HOMOPOLYMERS, COPOLYMERS, BLENDS, AND COMPOSITES, 28 January 2015 (2015-01-28), pages 317 - 388, XP055219583, ISBN: 978-3-527-30113-3, Retrieved from the Internet [retrieved on 20151009], DOI: 10.1002/3527601961
SANCHES N B ET AL: "Comparative techniques for molecular weight evaluation of poly (ethylene terephthalate) (PET)", POLYMER TESTING, ELSEVIER, AMSTERDAM, NL, vol. 24, no. 6, 1 September 2005 (2005-09-01), pages 688 - 693, XP027767381, ISSN: 0142-9418, [retrieved on 20050901]
"Rheology of Complex Fluids", 1 January 2010, SPRINGER NEW YORK, New York, NY, ISBN: 978-1-4419-6494-6, article P. SUNTHAR: "Polymer Rheology", pages: 171 - 191, XP055330090, DOI: 10.1007/978-1-4419-6494-6_8
"Some Critical Issues for Injection Molding", 23 March 2012, INTECH, ISBN: 978-953-51-0297-7, article JIAN WANG: "PVT Properties of Polymers for Injection Molding", XP055330113, DOI: 10.5772/35212
V B GUPTA ET AL: "Chapter 7 PET Fibers, Films, and Bottles", HANDBOOK OF THERMOPLASTIC POLYESTERS: HOMOPOLYMERS, COPOLYMERS, BLENDS, AND COMPOSITES, 28 January 2015 (2015-01-28), pages 317 - 388, XP055219583, ISBN: 978-3-527-30113-3, Retrieved from the Internet
SANCHES N B ET AL: "Comparative techniques for molecular weight evaluation of poly (ethylene terephthalate) (PET)", POLYMER TESTING, ELSEVIER, AMSTERDAM, NL, vol. 24, no. 6, 1 September 2005 (2005-09-01), pages 688 - 693, XP027767381, ISSN: 0142-9418, [retrieved on 20050901]
"Rheology of Complex Fluids", 1 January 2010, SPRINGER NEW YORK, New York, NY, ISBN: 978-1-4419-6494-6, article P. SUNTHAR: "Polymer Rheology", pages: 171 - 191, XP055330090, DOI: 10.1007/978-1-4419-6494-6_8
"Some Critical Issues for Injection Molding", 23 March 2012, INTECH, ISBN: 978-953-51-0297-7, article JIAN WANG: "PVT Properties of Polymers for Injection Molding", XP055330113, DOI: 10.5772/35212
Attorney, Agent or Firm:
BIIP CVBA (BE)
Download PDF: