申请人:DIC CORPORATION
公开号:US20160271273A1
公开(公告)日:2016-09-22
The invention contains a resin and a near infrared fluorescent material which is one type or two or more types of compounds selected from General Formulas (I
1
) to (I
4
) and has a maximum fluorescence wavelength of 650 nm or longer. In Formulas, R
a
and R
b
, R
c
and R
d
, R
h
and R
i
, and R
j
and R
k
form rings together with the nitrogen atom to which R
a
, R
c
, R
h
, and R
j
are bonded; R
e
and R
f
represent a halogen atom or an oxygen atom; each of R
l
, R
m
, R
n
, and R
o
independently represents a halogen atom, a C
1-20
alkyl group, a C
1-20
alkoxy group, an aryl group, or a heteroaryl group; R
g
, R
r
, and R
s
represent a hydrogen atom or an electron withdrawing group; and each of R
p
and R
q
independently represents a hydrogen atom, a halogen atom, a C
1-20
alkyl group, a C
1-20
alkoxy group, an aryl group, or a heteroaryl group.
该发明包含树脂和一种近红外荧光材料,该材料是从通用式(I1)到(I4)中选择的一种或两种或更多种化合物,并且具有最大荧光波长为650纳米或更长。在公式中,Ra和Rb,Rc和Rd,Rh和Ri,以及Rj和Rk与它们结合的氮原子一起形成环;Re和Rf代表卤素原子或氧原子;Rl、Rm、Rn和Ro分别独立表示卤素原子、C1-20烷基基团、C1-20烷氧基团、芳基或杂环芳基;Rg、Rr和Rs代表氢原子或电子吸引基团;Rp和Rq中的每一个独立表示氢原子、卤素原子、C1-20烷基基团、C1-20烷氧基团、芳基或杂环芳基。