Title:
HOT-MELT ADHESIVE COMPOSITION, PRECOATED SURFACE MATERIAL FOR AUTOMOBILE INTERIOR, AUTOMOBILE INTERIOR MATERIAL, AND METHOD FOR PRODUCING BONDED OBJECT
Document Type and Number:
WIPO Patent Application WO/2024/004673
Kind Code:
A1
Abstract:
Provided is a hot-melt adhesive that contains a crystalline polyolefin (A) having a Shore A hardness of 80 or more, an amorphous polyolefin (B), and a polypropylene wax (C), in which the amount of the polypropylene wax (C) is from 60 weight parts to 300 weight parts per 100 total weight parts of the crystalline polyolefin (A) and the amorphous polyolefin (B), that has good adhesiveness to resin base materials, especially polyolefin base materials such as polypropylene, and also has workability (mold releasability) that allows easy release from a mold as a hot-melt adhesive composition.
Inventors:
KOYANAGI HIDEYUKI (JP)
ZHANG YANMEI (JP)
KATSURA SEIJI (JP)
ZHANG YANMEI (JP)
KATSURA SEIJI (JP)
Application Number:
PCT/JP2023/022213
Publication Date:
January 04, 2024
Filing Date:
June 15, 2023
Export Citation:
Assignee:
SUNSTAR ENGINEERING INC (JP)
International Classes:
C09J123/04; B29C65/40; B32B27/00; C09J7/35; C09J11/04; C09J11/06; C09J11/08; C09J123/12; C09J123/16
Domestic Patent References:
| WO2020050225A1 | 2020-03-12 | |||
| WO2020246063A1 | 2020-12-10 |
Foreign References:
| JP2020117605A | 2020-08-06 | |||
| JP2020117606A | 2020-08-06 | |||
| JP2009057397A | 2009-03-19 | |||
| JP2013231114A | 2013-11-14 | |||
| JP2019521219A | 2019-07-25 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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