Title:
【発明の名称】低煙自消性ケーブルおよびそれに使用される難燃性組成物
Document Type and Number:
Japanese Patent JP2001511582
Kind Code:
A
Abstract:
Cable, in particular fow low-voltage electrical energy distribution or for telecommunications, having low-smoke self-extinguishing properties, comprising a conductor and a halogen-free flame-retardant coating wherein natural magnesium hydroxide is used as flame-retardant filler. This coating comprises (a) a crystalline propylene homopolymer or copolymer; (b) a copolymer of ethylene with at least one alpha-olefin having from 3 to 12 carbon atoms, and optionally with a diene, said copolymer (b) being characterized by a composition distribution index, defined as the weight percentage of copolymer molecules having an alpha-olefin content within 50 % of the average total molar content of alpha-olefin, greater than 45 %; (c) natural magnesium hydroxide.
Inventors:
Redondo Grisante, Eduardo
Peruzzotti, Franco
Tirelli, Diego
The Opo Antonio
Alvisati, Enrico
Peruzzotti, Franco
Tirelli, Diego
The Opo Antonio
Alvisati, Enrico
Application Number:
JP2000504584A
Publication Date:
August 14, 2001
Filing Date:
July 10, 1998
Export Citation:
Assignee:
Pirelli Cavi e Sistemi S.p.A
International Classes:
C08K3/22; C08L23/00; C08L23/08; H01B3/00; C08L23/16; H01B3/44; H01B7/295; C08L23/10; C08L23/14; C08L51/06; (IPC1-7): H01B3/00; C08K3/22; C08L23/00; H01B3/44; H01B7/295
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)