F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 9/12 (2006.01)
Patent
CA 2741962
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.
Oderkerk Jeroen
Pakkanen Anneli
Palmloef Magnus
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Borealis Ag
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