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1. (WO2017033142) POLYETHYLENE POWDER, PROCESS FOR ITS PREPARATION AND ITS USE FOR ROTOMOLDING

Pub. No.:    WO/2017/033142    International Application No.:    PCT/IB2016/055067
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Fri Aug 26 01:59:59 CEST 2016
IPC: C08K 5/00
C08K 5/01
C08K 5/13
C08K 5/14
C08K 5/17
C08K 5/3492
C08K 5/372
C08K 5/49
C08K 5/52
C08K 5/521
C08K 5/524
C08K 5/53
C08K 5/5393
C08K 5/51
C08K 5/56
Applicants: VERSALIS S.P.A.
Inventors: BALDUCCI, Daniele
MARIANI, Paolo
Title: POLYETHYLENE POWDER, PROCESS FOR ITS PREPARATION AND ITS USE FOR ROTOMOLDING
Abstract:
Polyethylene powder comprising at least one additive having: Melt Flow Index (MFI), measured at 190°C with a load of 2.16 kg in accordance with standard ISO 1133-1 :2011, ranging from 0.1 g/10 minutes to 100 g/10 minutes, preferably ranging from 5 g/10 minutes to 35 g/10 minutes; density ranging from 0.890 g/cm3 to 0.965 g/cm3, preferably ranging from 0.940 g/cm3 to 0.960 g/cm3; bulk density ranging from 0.35 g/cm3 to 0.60 g/cm3, preferably ranging from 0.40 g/cm3 to 0.50 g/cm3; average particle diameter (d50) ranging from 400 μm to 800 μm, preferably ranging from 450 μm to 780 μm. Said polyethylene powder comprising at least one additive can be advantageously used in rotomolding.