CROSS-LINKED POLYETHYLENE PIPE

A cross-linked polyethylene pipe comprising an ethylene polymer with a density of at least 948 kg/m3 obtained by polymerisation with a single-site catalyst and having a shear thinning index SHI2.7/210 of less than 10; and wherein said pipe has a pressure test at 4.8 MPa and 95°C of at least 500 h an...

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Bibliographic Details
Main Authors PAKKANEN, ANNELI, PALMLOEF, MAGNUS, ODERKERK, JEROEN
Format Patent
LanguageEnglish
French
Published 01.08.2017
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
JOINTS OR FITTINGS FOR PIPES
LIGHTING
MEANS FOR THERMAL INSULATION IN GENERAL
MECHANICAL ENGINEERING
PIPES
SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A cross-linked polyethylene pipe comprising an ethylene polymer with a density of at least 948 kg/m3 obtained by polymerisation with a single-site catalyst and having a shear thinning index SHI2.7/210 of less than 10; and wherein said pipe has a pressure test at 4.8 MPa and 95°C of at least 500 h and at 12.4 MPa and 20°C of at least 500 h. Linvention concerne un tuyau en polyéthylène réticulé qui comprend un polymère déthylène dune densité dau moins 948 kg/m3, obtenu par polymérisation avec un catalyseur à site unique et ayant un indice de fluidification par cisaillement SHI2,7/210 inférieur à 10; et ledit tuyau ayant un test de pression à 4,8 MPa et 95 °C dau moins 500 h et à 12,4 MPa et 20 °C dau moins 500 h.
Bibliography:Application Number: CA20092741962