FOAM SHEET

FOAM SHEET

PROBLEM TO BE SOLVED: To provide a novel foam sheet which can exhibit excellent flexibility and excellent light resistance.SOLUTION: The foam sheet contains a foam that contains a hydrophilic polyurethane polymer. When light irradiation is performed at 90 mW/cmwith a metal halide lamp, the diffuse r...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ISEKI AZUSA, NAGASAKI KUNIO, HIRAO AKIRA
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a novel foam sheet which can exhibit excellent flexibility and excellent light resistance.SOLUTION: The foam sheet contains a foam that contains a hydrophilic polyurethane polymer. When light irradiation is performed at 90 mW/cmwith a metal halide lamp, the diffuse reflectance before and after the irradiation at a wavelength of 550 nm degrades by 5% or lower, and the color difference ΔE before and after the irradiation is 3 or lower.