Title:
FOAM MADE FROM MODIFIED POLYPROPYLENE RESIN AND PROCESS FOR THE PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/1997/005183
Kind Code:
A1
Abstract:
A foam made from a modified polypropylene resin comprising a graft copolymer prepared by copolymerizing a polypropylene resin with an aromatic vinyl monomer, wherein the average number of aromatic vinyl graft chains grafted per graft copolymer molecule is 1 or above and the weight-average molecular weight of the aromatic vinyl graft chain is 200 or above; and a process for the production thereof. This foam has a high closed-cell ratio and a high expansion ratio and is excellent in appearance.
Inventors:
OKURA TETSUO (JP)
KOUROGI MITSUHARU (JP)
FUKUI YOSHIFUMI (JP)
KIM HESUN (JP)
TOMITA HARUO (JP)
MIYAMA OSAMU (JP)
AOYAMA TAIZO (JP)
KOUROGI MITSUHARU (JP)
FUKUI YOSHIFUMI (JP)
KIM HESUN (JP)
TOMITA HARUO (JP)
MIYAMA OSAMU (JP)
AOYAMA TAIZO (JP)
Application Number:
PCT/JP1996/002037
Publication Date:
February 13, 1997
Filing Date:
July 19, 1996
Export Citation:
Assignee:
KANEGAFUCHI CHEMICAL IND (JP)
OKURA TETSUO (JP)
KOUROGI MITSUHARU (JP)
FUKUI YOSHIFUMI (JP)
KIM HESUN (JP)
TOMITA HARUO (JP)
MIYAMA OSAMU (JP)
AOYAMA TAIZO (JP)
OKURA TETSUO (JP)
KOUROGI MITSUHARU (JP)
FUKUI YOSHIFUMI (JP)
KIM HESUN (JP)
TOMITA HARUO (JP)
MIYAMA OSAMU (JP)
AOYAMA TAIZO (JP)
International Classes:
C08F255/02; C08J9/04; C08L51/06; C08J9/06; (IPC1-7): C08F255/04; C08L51/06; C08J9/04
Foreign References:
| JPS5463194A | 1979-05-21 | |||
| JPS61228034A | 1986-10-11 | |||
| JPH03290444A | 1991-12-20 | |||
| JPS5918714A | 1984-01-31 |
Other References:
See also references of EP 0841354A4
Download PDF: