DOUBLE-SIDED ADHESIVE TAPE

The purpose of the present invention is to provide double-sided adhesive tape that has excellent stress relaxation and impact resistance, excellent reworkability on both adhesive surfaces, and that can easily be wound into a roll shape while suppressing the occurrence of wrinkles or folds. This doub...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DOI SATOSHI, ISHIDO YASUSHI, KAWAMOTO TOMOYA, KATAOKA HIROYUKI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The purpose of the present invention is to provide double-sided adhesive tape that has excellent stress relaxation and impact resistance, excellent reworkability on both adhesive surfaces, and that can easily be wound into a roll shape while suppressing the occurrence of wrinkles or folds. This double-sided adhesive tape includes a foam base material, and a first adhesive layer and a second adhesive layer on each side of the foam base material, wherein a first resin layer and a second resin layer having a tensile break point stress of 4 MPa or greater are disposed between the foam base material and the first adhesive layer and between the foam base material and the second adhesive layer, and the first resin layer and/or the second resin layer has a tensile modulus of elasticity of 50 MPa or less. 本发明的目的在于提供一种双面粘合带,其具有优异的应力缓和性和耐冲击性,两个粘合面的再加工性优异,并且能够抑制褶皱、弯折的产生且容易地卷绕成卷状。本发明为一种双面粘合带,其具有发泡体基材,并且在上述发泡体基材的两面分别具有第一粘合剂层和第二粘合剂层,在上述发泡体基材与上述第一粘合剂层之间、以及上述发泡体基材与上述第二粘合剂层之间分别具有拉伸断裂点应力为4MPa以上的第一树脂层和第二树脂层,上述第一树脂层和第二树脂层中的至少一者的拉