Title:
ネイルケア剤
Document Type and Number:
Japanese Patent JP6777901
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a nail care agent having excellent biodegradability and safety.SOLUTION: There is provided a nail care agent composed of a polylactic acid-containing aqueous dispersion, wherein the polylactic acid satisfies at least one of the following physical properties (A) to (E): (A) 80 to 100 mol% of the total monomer molecules constituting the polylactic acid is a lactic acid monomer; (B) the molar ratio (L-lactic acid/D-lactic acid) between L-lactic acid and D-lactic acid constituting the polylactic acid is 1 to 7; (C) the reduced viscosity is 0.3 to 1.5 dl/g; (D) the number average molecular weight is 10000 to 90000 and (E) the Tg is 20 to 54°C.SELECTED DRAWING: None
Inventors:
Shuko Yamashita
Shuhei Yamamoto
Yoshihisa Kasukabe
Takumi Tanaka
Doi Moeko
Noboru Hase
Shuhei Yamamoto
Yoshihisa Kasukabe
Takumi Tanaka
Doi Moeko
Noboru Hase
Application Number:
JP2016152014A
Publication Date:
October 28, 2020
Filing Date:
August 02, 2016
Export Citation:
Assignee:
Toyobo Co., Ltd.
Daito Kasei Co., Ltd.
Daito Kasei Co., Ltd.
International Classes:
A61K8/85; A61K8/37; A61K8/81; A61Q3/02; A61Q3/04; C08K3/00; C08K5/00; C08K5/10; C08K5/17; C08K5/3445; C08K5/42; C08L67/04; C08L89/06; C08L101/02
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Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office