申请人:BASF SE
公开号:US20160168177A1
公开(公告)日:2016-06-16
A photoinitiator mixture comprising the components
(a) a compound of the formula (I)
wherein
Ar and Ar
2
independently of each other are
or naphthyl which is unsubstituted or substituted one or more times by R
1
, R
2
, R
3
or R′; R
1
and R
3
in-dependently of each other are C
1
-C
4
alkyl, C
1
-C
4
alkoxy or halogen; R
2
is hydrogen, C
1
-C
4
alkyl, halogen, C
1
-C
4
alkoxy or C
2
-C
20
alkoxy which is interrupted by one or more O; Q is C
1
-C
4
alkylene; R
4
is methyl or ethyl; R′ and R″ independently of each other are hydrogen or PG-Y-R′″—X—; PG is a polymerizable group or methyl or ethyl; Y is a direct bond, O or S; X is a direct bond, O or S; R′″ is a direct bond, C
1
-C
20
alkylene or C
2
-C
20
alkylene which is interrupted by one or more O;
(b) one or more compounds of the formula (II)
wherein
Ar
1
, Ar
2
and Q are as defined above, and R
5
is for example C
3
-C
30
alkyl which is unsubstituted or substituted and
(c) optionally a compound of the formula (III)
R
5
—OH (III), wherein
R
5
is as defined above; provides a liquid photointiator.
一种光引发剂混合物,包括组分(a) 公式(I)的化合物,其中Ar和Ar2独立地是苯基或萘基,未取代或被R1、R2、R3或R′取代一次或多次;R1和R3独立地是C1-C4烷基、C1-C4烷氧基或卤素;R2是氢、C1-C4烷基、卤素、C1-C4烷氧基或被一个或多个O打断的C2-C20烷氧基;Q是C1-C4烷基;R4是甲基或乙基;R′和R″独立地是氢或PG-Y-R′″—X—;PG是可聚合基团或甲基或乙基;Y是直键、O或S;X是直键、O或S;R′″是直键、C1-C20烷基或被一个或多个O打断的C2-C20烷基;(b) 一个或多个公式(II)的化合物,其中Ar1、Ar2和Q如上定义,R5例如是未取代或取代的C3-C30烷基;(c) 可选地一个公式(III)的化合物R5—OH (III),其中R5如上定义;提供一种液体光引发剂。