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    • 5. 发明公开
    • DOUBLE-SIDED ADHESIVE TAPE
    • DOPPELSEITIGES KLEBEBAND
    • EP3006530A4
    • 2016-12-28
    • EP14804214
    • 2014-04-22
    • DAINIPPON INK & CHEMICALS
    • YAMAKAMI AKIRATAKEI HIDEAKIOGAWA YUKIKAMIKAWA YUMIIWASAKI TAKESHI
    • C09J7/02C09J201/00
    • C09J7/0289C09J7/26C09J7/29C09J2201/128C09J2201/622C09J2203/326C09J2400/243C09J2467/001C09J2467/006C09J2475/00
    • An object of the present invention is to provide a double-sided adhesive tape that has suitable impact resistance and a capability of being dismantled into pieces when a certain amount of force is applied to the tape and enables residual objects, such as paste, remaining on the surfaces of adherends to be readily removed. The double-sided adhesive tape includes a foam base, a resin film disposed on a surface of the foam base, an adhesive layer disposed on a surface of the resin film, and an adhesive layer disposed on another surface of the foam base. The foam base has a density of 0.45 g/cm 3 or less and an interlaminar strength of 10 N/cm or more. The adhesive layer has a 180°-peel adhesion of 10 N/20mm or more. The 180°-peel adhesion is measured at a peeling speed of 300 mm/min when an adhesive tape including a 25-µm-thick PET base and a 25-µm-thick adhesive layer disposed on the PET base is bonded to an aluminium board at 23°C and 65%RH by pressing the adhesive tape against the aluminium board with one stroke of a 2-kg roller and subsequently the adhesive tape is left standing for 1 hour at 23°C and 50%RH.
    • 本发明的目的是提供一种双面胶带,其具有合适的抗冲击性和当将一定量的力施加到带上时被分解成碎片的能力,并且使诸如糊状物的残留物体残留在 被粘物表面易于除去。 双面胶带包括泡沫基材,设置在泡沫基材表面上的树脂膜,设置在树脂膜表面上的粘合剂层和设置在泡沫基材的另一表面上的粘合剂层。 泡沫基材的密度为0.45g / cm 3以下,层间强度为10N / cm以上。 粘合剂层具有10N / 20mm以上的180°粘合力。 当将包括25μm厚的PET基底和设置在PET基底上的25μm厚的粘合剂层的粘合带粘合到铝板上时,以300mm / min的剥离速度测量180°剥离粘合力 在23℃和65%RH下,通过用2kg辊的一冲程将粘合带压在铝板上,随后将粘合带在23℃和50%RH下静置1小时。