To provide a coating agent, especially a coating agent for surface treatment of synthetic artificial leather, which, when compared with the case where a conventional ultraviolet absorber is used, has excellent light resistance, non-bleeding-out properties, compatibility, water resistance, and heat resistance and which suppresses photodegradation and also improves durability when used individually or blended with various resins.
A polymer composition includes an ultraviolet ray-absorbable polymer (A) and a dispersion of a polyurethane (B) and is obtained by mixing them, wherein the ultraviolet ray-absorbable polymer (A) is a polymerization product obtained by polymerization of a compound (a) having a double bond and an ultraviolet ray-absorbable group and a double bond-containing component (h), and the polyurethane (B) is a reaction product obtained by reaction of a reactive component including a compound (b) having an active hydrogen-containing group and an anionic hydrophilic group (except a hydroxyl group), a polyol (c) and/or a polyamine (d), and a polyisocyanate (e). The coating agent containing the polymer composition, especially the coating agent for surface treatment of synthetic artificial leather is provided.
SATO HIROMASA
HIROSE MASAZUMI
IINO SHOTA
KAWAMURA AKIRA
UKIMA CHEM & COLOUR MFG
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