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Patent Searching and Data


Title:
POLYMER PARTICLES
Document Type and Number:
WIPO Patent Application WO/2021/235539
Kind Code:
A1
Abstract:
Provided are polymer particles that, by being mixed in a small amount with other particles, are capable of forming a coating film having excellent flexibility and chemical resistance. Particles comprising a polymer with a softening start temperature of 20°C to 45℃, wherein said polymer particles contain a structural unit derived from an acrylic acid ester monomer, and are characterized in that the surface free energy of a particle film of said polymer particles is 30 mN/m to 50 mN/m and the volume mean diameter of the particles in water is 100 to 500 nm.

Inventors:
IMAZU NAOKI (JP)
SATO KENICHI (JP)
KAI NOBUYASU (JP)
SUGIURA MITSUKI (JP)
ODAJIMA TOMOYUKI (JP)
Application Number:
PCT/JP2021/019320
Publication Date:
November 25, 2021
Filing Date:
May 21, 2021
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C08F22/10; C08F220/10; C08F220/22; C08F220/28
Domestic Patent References:
WO2018110342A12018-06-21
WO2014157715A12014-10-02
WO2020105671A12020-05-28
Foreign References:
JP2015116697A2015-06-25
JP2015196314A2015-11-09
US20140231719A12014-08-21
Attorney, Agent or Firm:
SEIRYU PATENT PROFESSIONAL CORPORATION et al. (JP)
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