Title:
POLYESTER FILM FOR ELECTRICAL INSULATION
Document Type and Number:
WIPO Patent Application WO/1999/010417
Kind Code:
A1
Abstract:
A polyester film for electrical insulation having an apparent density of 1.37-0.85 g cm?3¿ and a modulus of tensile elasticity of 2.0-4.5 GPa. The film has a low oligomer property, a high heat resistance, a high shock resistance, a high formability, an excellent incorporation stability, and improved visibility. When this film is used for electrical insulation of motors, leakage currents hardly flow.
Inventors:
NAGAI ITSUO (JP)
AOKI SEIZO (JP)
DEGUCHI YUKICHI (JP)
AOKI SEIZO (JP)
DEGUCHI YUKICHI (JP)
Application Number:
PCT/JP1997/002947
Publication Date:
March 04, 1999
Filing Date:
August 25, 1997
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
NAGAI ITSUO (JP)
AOKI SEIZO (JP)
DEGUCHI YUKICHI (JP)
NAGAI ITSUO (JP)
AOKI SEIZO (JP)
DEGUCHI YUKICHI (JP)
International Classes:
B29C47/06; B32B27/36; C08J5/18; C09D5/25; H01B3/42; H01B3/44; B29K67/00; B29L7/00; B29L9/00; (IPC1-7): C08J5/18; B32B27/36; H01B3/30
Foreign References:
| JPH09194603A | 1997-07-29 | |||
| JPH01229040A | 1989-09-12 | |||
| JPH02272713A | 1990-11-07 |
Other References:
See also references of EP 0934969A4
Download PDF: