Patent ID: 8394475
Filing Date: 2013-03-12
Classification: B32B,C08F,C08K,F16L,Y10T

Abstract:
1. Industrial piping system comprised of propylene polymer and comprising single- or multi-layer pipes, fittings, valves, chambers and vessels, the propylene polymer comprising a propylene homopolymer having a melt index of 0.05 to 40 g/10 min at 230° C./2.16 kg, wherein the propylene homopolymer is β-nucleated and has an IRτ≧0.98, a tensile modulus ≧1500 MPa, a Charpy impact strength, using notched test specimens, at +23° C.≧30 kJ/m 2 , a Vicat B temperature >90° C., and a heat distortion temperature >100° C.