公开(公告)号：US20190249042A1

公开(公告)日：2019-08-15

申请号：US16317312

申请日：2017-07-13

Applicant: Sunstar Engineering Inc.

Inventor： Atsushi UNO

IPC: C09J123/20 ,  C09J11/08 ,  C09J145/00 ,  C09J123/12 ,  C09J123/08

CPC classification number: C09J123/20 ,  C09J11/08 ,  C09J123/00 ,  C09J123/0815 ,  C09J123/12 ,  C09J145/00

Abstract: The present invention provides a hot-melt adhesive having a sufficiently long usable time and exhibiting good strength and good heat resistance. The present invention relates to a hot-melt adhesive composition comprising a hydrocarbon cyclic polymer (A), an α-olefin polymer (C), and a tackifying resin (D).