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GR20080100806A - Multilayered plastic pipe with enhanced interlayer bonding, enhanced mechanical properties and low linear thermal expansion prepared by reactive co-extrusion. - Google Patents

Multilayered plastic pipe with enhanced interlayer bonding, enhanced mechanical properties and low linear thermal expansion prepared by reactive co-extrusion.

Info

Publication number
GR20080100806A
GR20080100806A GR20080100806A GR20080100806A GR20080100806A GR 20080100806 A GR20080100806 A GR 20080100806A GR 20080100806 A GR20080100806 A GR 20080100806A GR 20080100806 A GR20080100806 A GR 20080100806A GR 20080100806 A GR20080100806 A GR 20080100806A
Authority
GR
Greece
Prior art keywords
layers
component
enhanced
reactive groups
extrusion
Prior art date
Application number
GR20080100806A
Other languages
Greek (el)
Other versions
GR1006671B (en
Inventor
Νικολαος Κυραδης
Αναστασιος Ριζοπουλος
Αλεξανδρος Γεωργιαδης
Δημητριος Μπικιαρης
Original Assignee
Νικολαος Κυραδης
Αναστασιος Ριζοπουλος
Αλεξανδρος Γεωργιαδης
Δημητριος Μπικιαρης
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 Νικολαος Κυραδης, Αναστασιος Ριζοπουλος, Αλεξανδρος Γεωργιαδης, Δημητριος Μπικιαρης filed Critical Νικολαος Κυραδης
Priority to GR20080100806A priority Critical patent/GR20080100806A/en
Publication of GR1006671B publication Critical patent/GR1006671B/en
Publication of GR20080100806A publication Critical patent/GR20080100806A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

Over the last 25 years pressure pipe systems made from PP-R (polypropylene ethylene random copolymer) have been widely adopted by the plumping and heating jndustry in numerous countries around the world. The multilayered pipe of the present invention includes at least two (2) up to five (5) layers and most preferable three (3) layers. These layers are consisted of: component (A) that is different kinds of polypropylene such as PP-RCT and its copolymers or PP-B copolymer and with any possible combination of these materials, component (B) as interlayer enhancer that is modified polypropylene graft copolymers with reactive groups added to different layers with any possible combination at different layers or as mixtures to the same layer appropriate to react each other acting as interlayer adhesives bonding strongly the different layers each other or to react with nanoparticles and fillers that added to the layers acting as filler dispersers and interfacial bonding additives, component (C) is an additive in the form of nanoparticles containing surface reactive groups, and component (D) as fillers in the form of short glass fibers or carbon nanotubes containing surface reactive groups.
GR20080100806A 2008-12-18 2008-12-18 Multilayered plastic pipe with enhanced interlayer bonding, enhanced mechanical properties and low linear thermal expansion prepared by reactive co-extrusion. GR20080100806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GR20080100806A GR20080100806A (en) 2008-12-18 2008-12-18 Multilayered plastic pipe with enhanced interlayer bonding, enhanced mechanical properties and low linear thermal expansion prepared by reactive co-extrusion.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR20080100806A GR20080100806A (en) 2008-12-18 2008-12-18 Multilayered plastic pipe with enhanced interlayer bonding, enhanced mechanical properties and low linear thermal expansion prepared by reactive co-extrusion.

Publications (2)

Publication Number Publication Date
GR1006671B GR1006671B (en) 2010-01-19
GR20080100806A true GR20080100806A (en) 2010-02-24

Family

ID=41050899

Family Applications (1)

Application Number Title Priority Date Filing Date
GR20080100806A GR20080100806A (en) 2008-12-18 2008-12-18 Multilayered plastic pipe with enhanced interlayer bonding, enhanced mechanical properties and low linear thermal expansion prepared by reactive co-extrusion.

Country Status (1)

Country Link
GR (1) GR20080100806A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR1008973B (en) * 2015-09-18 2017-03-06 Αναστασιος Θεοφιλου Ριζοπουλος Multi-layered polyolefins tube
GR1009860B (en) * 2018-11-29 2020-11-10 Αναστασιος Θεοφιλου Ριζοπουλος Pre-insulated tubing system and accessories with external insulating housing and thermal insulation layer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1146273A1 (en) * 1999-10-08 2001-10-17 Kuraray Co., Ltd. Pipe for hot-water circulation
WO2002102865A1 (en) * 2001-06-15 2002-12-27 Bp Belgium Nv Annealed polypropylene pipes and fittings
EP1312623A1 (en) * 2001-11-14 2003-05-21 Borealis Technology Oy Pressure pipes
EP1364986A1 (en) * 2002-05-21 2003-11-26 Borealis Technology Oy Polypropylene compositions especially for pipes
EP1749843A1 (en) * 2005-08-01 2007-02-07 KE-KELIT Kunststoffwerk Gesellschaft m.b.H. Process for preparing pipes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1146273A1 (en) * 1999-10-08 2001-10-17 Kuraray Co., Ltd. Pipe for hot-water circulation
WO2002102865A1 (en) * 2001-06-15 2002-12-27 Bp Belgium Nv Annealed polypropylene pipes and fittings
EP1312623A1 (en) * 2001-11-14 2003-05-21 Borealis Technology Oy Pressure pipes
EP1364986A1 (en) * 2002-05-21 2003-11-26 Borealis Technology Oy Polypropylene compositions especially for pipes
EP1749843A1 (en) * 2005-08-01 2007-02-07 KE-KELIT Kunststoffwerk Gesellschaft m.b.H. Process for preparing pipes

Also Published As

Publication number Publication date
GR1006671B (en) 2010-01-19

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