Title:
METHOD FOR MANUFACTURING THERMOPLASTIC FILM
Document Type and Number:
WIPO Patent Application WO/2014/171365
Kind Code:
A1
Abstract:
In the present invention, with respect to a laminated structural body wherein at least an A-layer mainly formed of a thermoplastic resin (P1) having a melting point (Tm1), and a B-layer mainly formed of a thermoplastic resin (P2) having a glass-transition temperature (Tg2) are formed, a molding die having a protruding structure on the surface is pressed to the A-layer side of the laminated structural body, in a state wherein the molding die is heated to a temperature equal to or higher than a higher one of the temperature (Tm1) and the temperature (Tg2), thereby forming through holes, which are disposed at desired positions and density distribution in the A-layer, and which have desired shapes.
Inventors:
MINOURA KIYOSHI (JP)
MORIOKA SATOKO (JP)
HIROFUJI MAKOTO (JP)
MORIOKA SATOKO (JP)
HIROFUJI MAKOTO (JP)
Application Number:
PCT/JP2014/060166
Publication Date:
October 23, 2014
Filing Date:
April 08, 2014
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B29C43/00; B01D39/16; B01D69/06; B01D71/26; B29C67/20
Foreign References:
| JP2009090615A | 2009-04-30 | |||
| US20050118393A1 | 2005-06-02 | |||
| JP2006326860A | 2006-12-07 | |||
| JP2009113461A | 2009-05-28 | |||
| JP2009090538A | 2009-04-30 | |||
| JP2010046598A | 2010-03-04 |
Download PDF: