Claims
- 1. A photopolymerizable composition comprising an addition-polymerizable compound which has at least one ethylenically unsaturated double bond, a radical-producing agent and a squarylium compound represented by the formula (I): ##STR39## wherein R.sup.1 is a group represented by the formula (VI): ##STR40## wherein R.sup.12 and R.sup.13 may be the same or different, and each represents an alkyl group, or R.sup.12 and R.sup.13 together with the carbon atom to which they are bonded form a hydrocarbon ring, said hydrocarbon ring being unsubstituted or substituted with at least one of a halogen atom, an alkyl group or an alkoxy group; R.sup.14 represents a hydrogen atom, an alkyl group, an aralkyl group or an aryl group; r is an integer of 0 to 4; R.sup.15 may be the same or different and represents a halogen atom, an alkyl group, an aralkyl group, an aryl group or an alkoxy group provided that when r is an integer of 2 to 4, two adjacent R.sup.15 's may form an aromatic ring being unsubstituted or substituted with at least one of a halogen atom, an alkyl group or an alkoxy group; and R.sup.2 is a group represented by the formula (V): ##STR41## wherein R.sup.10 and R.sup.11 may be the same or different, and each represents a hydrogen atom, an alkyl group, an aralkyl group or an aryl group.
Priority Claims (1)
Number |
Date |
Country |
Kind |
4-185224 |
Jul 1992 |
JPX |
|
Parent Case Info
This application is a Continuation application of application Ser. No. 08/204,363, filed Mar. 11, 1994, now abandoned, and is a Continuation-in-Part application of application Ser. No. 08/331,147, filed Oct. 28, 1994, now U.S. Pat. No. 5,527,659, which is a Continuation application of application Ser. No. 08/052,999, filed Apr. 27, 1993, now abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
5190849 |
Santoh et al. |
Mar 1993 |
|
5256794 |
Satoh et al. |
Oct 1993 |
|
5527659 |
Yamaoka et al. |
Jun 1996 |
|
Foreign Referenced Citations (3)
Number |
Date |
Country |
0379200 |
Jul 1990 |
EPX |
0408014 |
Jan 1991 |
EPX |
2306247 |
Dec 1990 |
JPX |
Continuations (2)
|
Number |
Date |
Country |
Parent |
204363 |
Mar 1994 |
|
Parent |
52999 |
Apr 1993 |
|