Title:
POLYCARBONATE RESIN LAMINATE, ROOF, OUTDOOR SIGNBOARD, AND EXTERIOR WALL
Document Type and Number:
Japanese Patent JP2014188910
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a white polycarbonate resin laminate for outdoor applications capable of maintaining the hue of a base layer.SOLUTION: The provided resin laminate is a polycarbonate resin laminate obtained by laminating and integrating, via a co-extrusion molding method, a base layer unit 1 and a surface layer unit 2 scheduled to be a weather-resistant layer where, in a case where the spectral sensitivity thereof is measured based on a transmission method using standard light D65 as a light source within a 10° field of view, L*, a*, and b* specific to an L*a*b* colorimetric system stipulated by CIE 1976 are respectively 60 or higher and 70 or lower, -0.5 or higher and 0 or lower, and 2 or higher and 3 or lower.
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Inventors:
ONODERA KAZUFUSA
Application Number:
JP2013067715A
Publication Date:
October 06, 2014
Filing Date:
March 28, 2013
Export Citation:
Assignee:
SUMITOMO BAKELITE CO
International Classes:
B32B27/36; E04C2/20; E04D1/08; E04F13/18
Domestic Patent References:
| JP2006307171A | 2006-11-09 | |||
| JP2000318107A | 2000-11-21 | |||
| JPWO2009102071A1 | 2011-06-16 | |||
| JP2012179754A | 2012-09-20 |
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