REACTIVE GROUP-INCLUDING POLYCAPROLACTONE COMPOUND, NOVEL SILICONE ELASTOMER PARTICLES IN WHICH SAME IS USED, COSMETIC COMPOSITION, AND OTHER APPLICATION

Title:

REACTIVE GROUP-INCLUDING POLYCAPROLACTONE COMPOUND, NOVEL SILICONE ELASTOMER PARTICLES IN WHICH SAME IS USED, COSMETIC COMPOSITION, AND OTHER APPLICATION

Document Type and Number:

WIPO Patent Application WO/2023/120690

Kind Code:

A1

Abstract:

[Problem] To provide silicone elastomer particles that comprise a crosslinked structure having an activity against biodegradability and that, when mixed into a cosmetic composition or similar, can achieve an equal or better tactile feeling and feeling of use as existing silicone elastomer particles, a reactive group-including polycaprolactone compound that comprises a specific structure and is useful as a raw material for a synthesis reaction for said silicone elastomer particles, and manufacturing methods for these. [Solution] A reactive group-including polycaprolactone compound (specifically, a compound selected from among a (meth)acrylic-modified polycaprolactone compound and an alkenyl-modified polycaprolactone compound) that has two or more modified polycaprolactone structures with the structure of structural formula (1) (in this formula, n is a number within the range 1-5, and Ra is a specific (meth)acrylic terminal group or alkenyl terminal group). Additionally, the use of said reactive group-including polycaprolactone compound as a raw material for silicone elastomer particles.

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Inventors:

SUGIURA TSUNEHITO (JP)
WAKITA MARI (JP)
TANIGUCHI HIROKO (JP)
TAN LIYI (JP)
KANZAKI YASUE (JP)
NAGAYAMA KEI (JP)
SETOGUCHI HIRO (JP)

Application Number:

PCT/JP2022/047560

Publication Date:

June 29, 2023

Filing Date:

December 23, 2022

Export Citation:

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Assignee:

DOW TORAY CO LTD (JP)

International Classes:

C07C69/007; A61K8/89; A61Q1/12; A61Q17/04; C08F290/14; C08G63/91; C08G77/46; C08L101/16

Foreign References:

JP2002146026A	2002-05-22
JPH09316311A	1997-12-09
JP2001151999A	2001-06-05
JPS59207922A	1984-11-26

Other References:

KOHEI IWAMATSU, KOICHIRO UTO, TORU HOSHI, TAKAO AOYAGI: "Preparation of Polycaprolactone Films with Positive Charge and Their Biomaterials Applications", PREPRINTS OF 2017 ACADEMIC LECTURE CONFERENCE OF COLLEGE OF SCIENCE AND TECHNOLOGY, NIHON UNIVERSITY; DECEMBER 1, 2017, NIHON UNIVERSITY, JP, 1 January 2017 (2017-01-01) - 1 December 2017 (2017-12-01), JP, pages 1125 - 1126, XP009547536
KWEON, H. YOO, M.K. PARK, I.K. KIM, T.H. LEE, H.C. LEE, H.-S. OH, J.-S. AKAIKE, T. CHO, C.-S.: "A novel degradable polycaprolactone networks for tissue engineering", BIOMATERIALS, ELSEVIER, AMSTERDAM, NL, vol. 24, no. 5, 1 February 2003 (2003-02-01), AMSTERDAM, NL , pages 801 - 808, XP004398698, ISSN: 0142-9612, DOI: 10.1016/S0142-9612(02)00370-8

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