Title:
光ファイバールースチューブ用樹脂組成物、光ファイバールースチューブおよびその製造法
Document Type and Number:
Japanese Patent JP4105336
Kind Code:
B2
Abstract:
A resin composition for optical fiber loose tubes contains (A) 100 parts by weight of polybutylene terephthalate having a terminal carboxyl group concentration of 10 eq/ton or less and an intrinsic viscosity of 1.0 to 1.2, and (B) 0.005 to 0.1 part by weight of polyethylene wax. The optical fiber loose tube is produced by extrusion molding at a haul-off speed of 200 m/min or more a resin composition for optical fiber loose tubes. The resin composition containing (A) 100 parts by weight of polybutylene terephthalate having a terminal carboxyl group concentration of 10 eq/ton or less and an intrinsic viscosity of 1.0 to 1.2, and (B) 0.005 to 0.1 part by weight of polyethylene wax.
Inventors:
Shingo Ohno
Kiyoshi Sugie
Shinichi Sasaki
Hiroyasu Oki
Kiyoshi Sugie
Shinichi Sasaki
Hiroyasu Oki
Application Number:
JP17868099A
Publication Date:
June 25, 2008
Filing Date:
June 24, 1999
Export Citation:
Assignee:
Teijin Limited
Hitachi Cable Ltd.
Hitachi Cable Ltd.
International Classes:
C08L67/02; G02B6/44; C08L23/00; G02B1/04; C08L23/06
Domestic Patent References:
| JP8227030A | ||||
| JP8146261A | ||||
| JP9040765A | ||||
| JP3269054A | ||||
| JP10316844A | ||||
| JP10168661A |
Attorney, Agent or Firm:
Masataka Oshima