Title:
HOT MELT ADHESIVE
Document Type and Number:
WIPO Patent Application WO/2022/260002
Kind Code:
A1
Abstract:
To provide a hot melt adhesive having excellent coatability, adhesiveness and creep resistance, being able to bond and retain an elastic material to a material containing biodegradable plastics, and a disposable product comprising the hot melt adhesive. A hot melt adhesive comprising (A) a thermoplastic block copolymer which is a copolymer of vinyl aromatic hydrocarbons and conjugated diene compounds, and (B) a tackifying resin, wherein (A) the thermoplastic block copolymer comprises: (A1) a linear type styrene block copolymer having a styrene content of 35 to 50% by mass; and (A2) a styrene block copolymer having a styrene content of more than 10% by mass and less than 35% by mass; (B) the tackifying resin comprises: (B1) a natural resin having a biomass degree of 50% or more.
Inventors:
MORIGUCHI MASAHIRO (JP)
Application Number:
PCT/JP2022/022778
Publication Date:
December 15, 2022
Filing Date:
June 06, 2022
Export Citation:
Assignee:
HENKEL AG & CO KGAA (DE)
International Classes:
C09J153/02; C08L53/02; C08L93/04
Domestic Patent References:
| WO2016170796A1 | 2016-10-27 | |||
| WO2020110921A1 | 2020-06-04 |
Foreign References:
| EP3081611A1 | 2016-10-19 | |||
| US20150203725A1 | 2015-07-23 | |||
| JP2018514604A | 2018-06-07 | |||
| JP2016442899A |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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