DOUBLE-SIDED ADHESIVE LAYER-EQUIPPED OPTICAL LAMINATE

DOUBLE-SIDED ADHESIVE LAYER-EQUIPPED OPTICAL LAMINATE

There is provided an optical laminate with pressure-sensitive adhesive layers on both surfaces. The optical laminate comprises: a first substrate; a first low-refractive index layer formed on the first substrate; a first pressure-sensitive adhesive layer arranged so as to be adjacent to the first lo...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Kishi, Atsushi, Hattori, Daisuke
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
DYES
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
PAINTS
PERFORMING OPERATIONS
POLISHES
TRANSPORTING
USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:There is provided an optical laminate with pressure-sensitive adhesive layers on both surfaces. The optical laminate comprises: a first substrate; a first low-refractive index layer formed on the first substrate; a first pressure-sensitive adhesive layer arranged so as to be adjacent to the first low-refractive index layer; a second low-refractive index layer arranged so as to be adjacent to the first pressure-sensitive adhesive layer; a second substrate having formed thereon the second low-refractive index layer; and a second pressure-sensitive adhesive layer and a third pressure-sensitive adhesive layer serving as outermost layers. The first low-refractive index layer and/or the second low-refractive index layer has a porosity of 50% or more, the first pressure-sensitive adhesive layer has a storage modulus of elasticity of from 1.3×105 (Pa) to 1.0×107 (Pa), and the second pressure-sensitive adhesive layer and/or the third pressure-sensitive adhesive layer has a storage modulus of elasticity of 1.0×105 (Pa) or less.