申请人:Watanabe Yukie
公开号:US20120301696A1
公开(公告)日:2012-11-29
To provide a polyester resin composition being able to maintain a long-wavelength ultraviolet-blocking effect for a long period of time, ensuring high solubility for a solvent, and having excellent light resistance.
A polyester resin composition comprising a compound represented by the following formula (1) and a polyester resin:
wherein each of R
1a
, R
1b
, R
1c
, R
1d
and R
1e
independently represents a hydrogen atom or a monovalent substituent excluding OH, at least one of the substituents represents a substituent having a positive Hammett's σp value, and the substituents may combine with each other to form a ring; and each of R
1g
, R
1h
, R
1i
, R
1j
, R
1k
, R
1m
, R
1n
and R
1p
independently represents a hydrogen atom or a monovalent substituent, and the substituents may combine with each other to form a ring.