Title:
OLEFIN-BASED RESIN LINING PIPE
Document Type and Number:
Japanese Patent JP2003185065
Kind Code:
A
Abstract:
To provide a olefin-based resin lining pipe excellent in hot water resistance and durability.
The lining pipe is made up of a metal outer layer, polyethylene inner layer, and intermediate layer fusing the outer layer and the inner layer. Polyethylene forming the inner layer comprises a resin having the density of 0.91-0.94 g/cm3 and Vicat softening temperature of 100-120. The intermediate layer comprises a modified polyethylene having the density of 0.91-0.94 g/cm3 and adhesive properties in which MFR is 1-10 g/10 min.
Inventors:
YOSHIDA HIROTSUGU
YAMABE YASUO
SUGAYA TAKEHISA
YOKOYAMA JUNICHI
SAKAKIBARA HIDEKI
ENOMOTO SEIICHI
YAMABE YASUO
SUGAYA TAKEHISA
YOKOYAMA JUNICHI
SAKAKIBARA HIDEKI
ENOMOTO SEIICHI
Application Number:
JP2001387904A
Publication Date:
July 03, 2003
Filing Date:
December 20, 2001
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
F16L9/14; B32B1/08; (IPC1-7): F16L9/14; B32B1/08