ADHESIVE COMPOSITION, ADHESIVE LAYER, ADHESIVE SHEET, OPTICAL MEMBER WITH ADHESIVE LAYER, IMAGE DISPLAY DEVICE AND TOUCH PANEL
To provide: an acrylic adhesive composition for forming an adhesive layer used for attaching an optical member of an image display device, which can form an adhesive layer which hardly causes humidification white turbidness even under high temperature and humidification conditions; an adhesive layer...
Gespeichert in:
Hauptverfasser: | , , , |
---|---|
Format: | Patent |
Sprache: | eng ; jpn |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | To provide: an acrylic adhesive composition for forming an adhesive layer used for attaching an optical member of an image display device, which can form an adhesive layer which hardly causes humidification white turbidness even under high temperature and humidification conditions; an adhesive layer; an adhesive sheet; an optical member with an adhesive layer; an image display device; and a touch panel.SOLUTION: There is provided an acrylic adhesive composition for forming an adhesive layer used for attaching an optical member of an image display device, wherein moisture contents W1 and W2 after subjecting the adhesive layer to following conditions of (A) and (B) satisfy a following expression (1): W2/W1>1 (1). (A) The moisture content after the adhesive layer is stored under the conditions of 23°C and 50% RH for 24 hours: W1(μg/cm2). (B) The moisture content when the adhesive layer after (A) is stored under the conditions of 85°C and 85%RH for 8 hours and then stored under the conditions of 23°C and 50%RH for 24 hours: W2(μg/cm2).SELECTED DRAWING: None
【課題】画像表示装置の光学部材を貼着するために使用される粘着剤層を形成するためのアクリル系粘着剤組成物であって、高温加湿条件下でも加湿白濁が生じにくい粘着剤層を形成できるアクリル系粘着剤組成物、粘着剤層、粘着シート、粘着剤層付光学部材、画像表示装置、タッチパネルを提供すること。【解決手段】本発明のアクリル系粘着剤組成物は、画像表示装置の光学部材を貼着するために使用される粘着剤層を形成するためのアクリル系粘着剤組成物であって、前記粘着剤層を下記(A)及び(B)の条件に付した後の水分量W1、W2は、下記式(1)を充たす。W2/W1>1 ・・・ (1)(A)粘着剤層を23℃50%RHの条件で24時間保存した時の水分量:W1(μg/cm2)(B)(A)の後の粘着剤層を、85℃85%RHの条件で8時間保存した後、23℃50%RHの条件で24時間保存した時の水分量:W2(μg/cm2)【選択図】なし |
---|