(19) |
 |
|
(11) |
EP 0 155 849 A3 |
(12) |
EUROPEAN PATENT APPLICATION |
(88) |
Date of publication A3: |
|
04.11.1987 Bulletin 1987/45 |
(43) |
Date of publication A2: |
|
25.09.1985 Bulletin 1985/39 |
(22) |
Date of filing: 19.03.1985 |
|
|
(84) |
Designated Contracting States: |
|
DE |
(30) |
Priority: |
21.03.1984 JP 5220584 22.02.1985 JP 3274785
|
(71) |
Applicant: UBE INDUSTRIES LIMITED |
|
() |
|
(72) |
Inventors: |
|
- Wakita, Kazuto
()
- Tsuchiya., Kazuo
()
- Nagayasu, Isao
()
- Emoto, Ikuo Ryonanryo
()
|
|
|
|
(54) |
Substrate for planographic plate |
(57) Disclosed is a substrate for planographic (lithographic) plate, which comprises metal
foils with thicknesses of 5 to 100 µ laminated on both surfaces of a sheet with a
thickness of 30 to 400 µ, said sheet being obtained by sheet making of a modified
polyolefin composite material comprising 100 parts by weight of a modified polyolefin
resin graft-modified partially or wholly with an organic silane compound and 5 to
150 parts by weight of mica.