检索国际和国家专利汇编

1. (WO2013146944) POLYETHYLENE AND MOLDED BODY THEREOF

Pub. No.:    WO/2013/146944    International Application No.:    PCT/JP2013/059130
Publication Date: Fri Oct 04 01:59:59 CEST 2013 International Filing Date: Thu Mar 28 00:59:59 CET 2013
IPC: C08F 10/02
C08F 4/618
C08F 4/6592
C08L 23/04
F16L 11/08
Applicants: JAPAN POLYETHYLENE CORPORATION
日本ポリエチレン株式会社
Inventors: HIRAMOTO Tomomi
平本 知己
FUKUDA Masaki
福田 真樹
YAMAMOTO Kazuhiro
山本 和弘
FUKUDA Tetsurou
福田 哲朗
Title: POLYETHYLENE AND MOLDED BODY THEREOF
Abstract:
 A polyethylene or similar used in a pipe and/or in a coupling, which has the following properties (i) to (iii). Property (i): high load melt flow rate (HLMFR (W), JIS K7210, at a temperature of 190 ℃ and with a 21.60 kg load) is in the range 5 to 35 g / 10 min. Property (ii): density is in the range 0.945 to 0.960 g/cm³. Property (iii): peak top time in isothermal crystallization at 121.5 ℃, as measured with a differential scanning calorimeter (DSC), is 360 seconds or less.