Polymerisation of amides by actinic radiation

Details Polymerisation of amides by actinic radiation Polymerisation of amides by actinic radiation

C - Chemistry, Metallurgy

08

J

204/91.6

C08J 3/28 (2006.01) C08F 20/60 (2006.01) C08G 73/02 (2006.01) G03F 7/027 (2006.01) G03F 7/038 (2006.01)

Patent

CA 1052321

POLYMERISATION OF AMIDES BY ACTINIC RADIATION Abstract of the Disclosure Novel amides, preferably having a molecular weight in the range 1000 to 10,000, are prepared by acylating, partially or fully, amino groups in a poly(ethylene imine) or poly(pro- pylene imine) whereby amino-hydrogen atoms are replaced by groups R3CH=CR2CO-, where R3 denotes an aliphatic, cycloali- phatic, araliphatic, or heterocyclic group containing ethylenic unsaturation in conjugation with the indicated double bond and R2 denotes a hydrogen, chlorine, or bromine atom, a cyano group or an alkyl group. Particularly preferred are such amides where R3CH=CR2CO- denotes a sorbyl group the amides containing addi- tional intramolecular linkages introduced by a difunctional reagent capable of reacting with aliphatic amino groups, such as a diepoxide or a di-isocyanate. The amides may be polymerised by means of actinic radiation and the polymerisation products are useful in the preparation of printing plates and printed circuits.

230731

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