Title:
皮膚貼付用粘着シートおよびその製造方法
Document Type and Number:
Japanese Patent JP6809145
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a skin-pasting pressure sensitive adhesive sheet hardly generating stuffiness or itching, when being pasted on a skin for a long time; and to provide a production method of the skin-pasting pressure sensitive adhesive sheet.SOLUTION: In a skin-pasting pressure sensitive adhesive sheet including an air-permeable foam body and a hot-melt adhesive layer (A), the hot-melt adhesive layer (A) has a void ratio of the surface of 5-50%, and two or more holes having a circle equivalent diameter per square millimeter of 10-400 μm. Preferably, one embodiment of the hot-melt adhesive layer (A) has a pattern shape.SELECTED DRAWING: Figure 1
Inventors:
Yuji Nakayama
Application Number:
JP2016216989A
Publication Date:
January 06, 2021
Filing Date:
November 07, 2016
Export Citation:
Assignee:
Toyo Ink sc Holdings Co., Ltd.
Toyochem Co., Ltd.
Toyochem Co., Ltd.
International Classes:
A61F13/02
Domestic Patent References:
| JP8224817A | ||||
| JP2008541881A | ||||
| JP2000128780A | ||||
| JP2004527600A | ||||
| JP2010536823A |
Foreign References:
| US20100168633 | ||||
| WO2015119160A1 | ||||
| US20160270965 |