Title:
OPEN-CELL SPONGE, AND PUFF FOR COSMETIC
Document Type and Number:
WIPO Patent Application WO/2020/230871
Kind Code:
A1
Abstract:
Provided is an open-cell sponge constituted of a mechanical foam of a composition comprising: a high polymer polyol including, with respect to the total high polymer polyol, 30-100 mass% of dimer acid polyester polyol; diphenylmethane diisocyanate-based isocyanate; a foam stabilizer; and a catalyst. In addition, provided is a puff for a cosmetic, the puff having said sponge.
Inventors:
IWAGUCHI YUSUKE (JP)
MATSUDA SHINYA (JP)
SUGIYAMA TAKEMASA (JP)
KUSAKAWA KOUICHI (JP)
MATSUDA SHINYA (JP)
SUGIYAMA TAKEMASA (JP)
KUSAKAWA KOUICHI (JP)
Application Number:
PCT/JP2020/019353
Publication Date:
November 19, 2020
Filing Date:
May 14, 2020
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
C08G18/42; A45D34/04; C08G18/00; C08G18/76; C08G101/00
Foreign References:
| JP2011236346A | 2011-11-24 | |||
| JP2012057060A | 2012-03-22 | |||
| JP2018513898A | 2018-05-31 | |||
| JP2006117751A | 2006-05-11 | |||
| JP2006117750A | 2006-05-11 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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