Claims
- 1. A composition comprising:
- 1. an ethylenically unsaturated, freeradical initiated, chain propagating addition polymerizable compound and
- 2. a compound having the formula: ##SPC6##
- wherein Q is bromine or chlorine, P is --CQ.sub.3, --NH.sub.2, --NHR, --NR.sub.2 or --OR where R is phenyl or lower alkyl, n is an integer from 1 to 3 and W is an optionally substituted phenyl, pyrryl, benzopyrryl, oxazoyl, benzoxazoyl, benzthiazoyl or ##SPC7##
- where Z is oxygen or sulfur and R.sub.1 is hydrogen, a lower alkyl or a phenyl group, said compound being capable of generating free radicals on stimulation by actinic radiation at a wavelength of about 330 to about 700 millimicrons.
- 2. The composition of claim 1 wherein Q is --Cl and P is --CCL.sub.3.
- 3. A photosensitive sheet construction comprising a substrate having a light-sensitive coating thereon, said coating comprising a compound having the formula: ##SPC8##
- wherein Q is bromine or chlorine, P is --CQ.sub.3, --NH.sub.2, --NHR, --NR.sub.2 or --OR where R is phenyl or lower alkyl, n is an integer from 1 to 3 and W is an optionally substituted phenyl, pyrryl, benzopyrryl, oxazoyl, benzoxazoyl, benzthiazoyl, or ##SPC9##
- wherein Z is oxygen or sulfur and R.sub.1 is hydrogen, a lower alkyl or a phenyl group, said compound being capable of generating free radicals on stimulation by actinic radiation at a wavelength of about 330 to about 700 millimicrons.
- 4. The photosensitive sheet construction of claim 3 wherein said coating further comprises an ethylenically unsaturated, free-radical initiated, chain propagating addition polymerizable compound.
- 5. A composition comprising:
- 1. an ethylenically unsaturated, free-radical initiated, chain propagating addition polymerizable compound, and
- 2. a compound having the formula: ##SPC10##
- wherein Q is bromine or chlorine, P is --CQ.sub.3, --NH.sub.2, --NHR, --NR.sub.2 or --OR where R is phenyl or lower alkyl, n is an integer from 1 to 3, and W is an optionally substituted aromatic or heterocyclic nucleus or ##SPC11##
- where Z is oxygen or sulfur and R.sub.1 is hydrogen, a lower alkyl or a phenyl group, said compound being capable of generating free radicals on stimulation by actinic radiation at a wavelength of about 330 to about 700 millimicrons.
- 6. A photosensitive sheet comprising a substrate having a light-sensitive coating thereon, said coating comprising a compound having the formula: ##SPC12##
- wherein Q is bromine or chlorine, P is --CQ.sub.3, --NH.sub.2, --NHR, --NR.sub.2 or --OR where R is phenyl or lower alkyl, n is an integer from 1 to 3, and W is an optionally substituted aromatic or heterocyclic nucleus or ##SPC13##
- where Z is oxygen or sulfur and R.sub.1 is hydrogen, a lower alkyl or a phenyl group, said compound being capable of generating free radicals on stimulation by actinic radiation at a wavelength of about 330 to about 700 millimicrons.
- 7. The photosensitive sheet of claim 6 wherein said coating further comprises an ethylenically unsaturated, free radical initiated, chain propagating addition polymerizable compound.
Parent Case Info
This is a division of application Ser. No. 177,851, filed Sept. 3, 1971.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
2461943 |
Thurston |
Feb 1949 |
|
3163647 |
Schaefer et al. |
Feb 1964 |
|
3617288 |
Hartman et al. |
Nov 1971 |
|
Non-Patent Literature Citations (2)
Entry |
Grundmann, et al., Bes. Dent. Chem., Vol. 84, pp. 684-688 (1951). |
Koran, Light Sensitive Systems, J. Wiley & Sons (1965), pp. 180-181. |
Divisions (1)
|
Number |
Date |
Country |
Parent |
177851 |
Sep 1971 |
|