申请人:AMASAKI Ichiro
公开号:US20100324181A1
公开(公告)日:2010-12-23
An ultraviolet absorber composition is provided and includes: a compound represented by formula (I); and an ultraviolet absorber having a maximum absorption at a wavelength of from 340 to 400 nm:
R
1a
, R
1b
, R
1c
, R
1d
, R
1e
, R
1f
, R
1g
, R
1h
, R
1i
, and R
1j
each independently represent a hydrogen atom or a monovalent substituent except OH, or adjacent two of R
1a
, R
1b
, R
1c
, R
1d
, R
1e
, R
1f
, R
1g
, R
1h
, R
1i
, and R
1j
may be taken together to form a ring; R
1k
, R
1m
, R
1n
, and R
1p
each independently represent a hydrogen atom or a monovalent substituent, or adjacent two of R
1k
, R
1m
, R
1n
, and R
1p
may be taken together to form a ring; and at least one of R
1a
, R
1b
, R
1c
, R
1d
, R
1c
, R
1f
, R
1g
, R
1h
, R
1i
, R
1j
, R
1k
, R
1m
, R
1n
, and R
1p
is a substituent having a positive σp value in Hammett equation.