Claims
- 1. A composite structure comprising a composition coated on a grained, anodized, and hydrophilized aluminum, wherein the composition comprises an effective amount of a thermal or photoinitiator and a polymer having the formula; ##STR11## wherein R.sup.1 is independently hydrogen or methyl;
- R.sup.2 is given by ##STR12## wherein n is 0 or 1;
- R.sup.5, R.sup.6, R.sup.7, and R.sup.8 are independently an alkyl group having 1 to 12 carbon atoms or a cycloalkyl group having 5 to 12 carbon atoms, an aryl or aralkyl group having 6 to 12 carbon atoms or at least one of the pairs R.sup.5 and R.sup.6, and R.sup.7 and R.sup.8, taken together with the carbon to which it is joined forms a 5- or 6-membered carbocyclic ring, or any of R.sup.5, R.sup.6, R.sup.7, and R.sup.8 may be H when n is 1;
- W is --NH--, --NR.sup.20, --S-- or --O--; wherein R.sup.20 is alkyl of 1 to 12 carbon atoms; and
- Z represents ##STR13## wherein R.sup.5, R.sup.6, R.sup.7, R.sup.8, and n are as previously described;
- R.sup.3 is a polymerizable, ethylenically unsaturated group selected from
- (a) ##STR14## in which R.sup.9 is an alkylene group having 1 to 12 carbon atoms, an arylene group having 6 to 10 carbon atoms, an oxyalkylene group or a poly(oxyalkylene) in which said alkylene group has 2 to 4 carbon atoms, the number of oxygen atoms is a positive integer less than or equal to four; R.sup.10 is hydrogen, cyano, a carboxyl group, or a --C(.dbd.O)NH.sub.2 group; and R.sup.11 is hydrogen, an alkyl group having 1 to 12 carbon atoms, or a phenyl group or naphthyl group; or
- (b) --R.sup.9 --W-- in which R.sup.9 is as defined as in (a), W is as previously defined, and T is an ethylenically unsaturated group selected from the group consisting of acryloyl, methacryloyl, cinnamoyl, maleoyl, fumaroyl, itaconoyl, and crotonoyl, and is preferably acryloyl or methacryloyl;
- a, b, c, and cl are independently integers, wherein a and b are at least 1, and the sum of a+b+c+d is sufficient to provide a polymer having a number average molecular weight in the range of 2,000 to 1,000,000;
- G is given by --R.sup.9 --N.sup.+ R.sup.12 R.sup.13 R.sup.14 X.sup.-, wherein is as previously defined, and R.sup.12 -R.sup.14 are independently an alkyl group having 1 to 12 carbon atoms or a cycloalkyl group having 5 to 12 carbon atoms, an aryl or aralkyl group having 6 to 12 carbon atoms or any two or all three of R.sup.12 -R.sup.14 taken together with the nitrogen to which they are joined can form a 5- to 8-membered heterocyclic ring, and X' represents any non-interfering anion including anions located elsewhere on the polymeric backbone or side chains;
- R represents an aryl group having from 6 to 30 carbon atoms, cyano, --CO.sub.2 H, carboalkoxy group having from 2 to 40 carbon atoms, or a mono- or dialkylamido group having from 2 to 40 carbon atoms;
- R.sup.4 represents, a solubilizing cation, or --E--A wherein E represents an organic divalent connecting group having up to a total of about 18 C, N, S, and nonperoxidic 0 atoms, and A is an acid selected from carboxylic acids, sulfonic acids, phosphonic acids, and salts thereof.
- 2. The composite structure according to claim 1 wherein said hydrophilized aluminum is silicated aluminum.
- 3. The composite structure according to claim 1 which is a printing plate.
- 4. The composite structure according to claim 1 further comprising a topcoat oxygen barrier.
Parent Case Info
This is a division of application Ser. No. 08/052,117, filed Apr. 23, 1993, now abandoned which is a division of application Ser. No. 07/658,983, filed Feb. 21, 1991, now U.S. Pat. No. 5,235,015.
US Referenced Citations (15)
Divisions (2)
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Number |
Date |
Country |
Parent |
52117 |
Apr 1993 |
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Parent |
658983 |
Feb 1991 |
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