Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1975-06-19
1978-04-18
Tillman, Murray
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
96 351, 96 362, 96115R, 96115P, 20415914, 20415918, 20415919, 20415922, 260 2EN, 2603473, 260557R, 260558R, 260561N, 260562R, 427 54, 428426, 428457, 428476, H01L 1300, C08F 800, C08F 246
Patent
active
040850196
ABSTRACT:
Novel amides, preferably having a molecular weight in the range 1000 to 10,000, are prepared by acylating, partially or fully, amino groups in poly(ethylene imine) or poly(propylene imine) whereby amino-hydrogen atoms are replaced by groups R.sup.3 CH.dbd.CR.sup.2 CO--, where R.sup.3 denotes an aliphatic, cycloaliphatic, araliphatic, or heterocyclic group containing ethylenic unsaturation in conjugation with the indicated double bond and R.sup.2 denotes a hydrogen, chlorine, or bromine atom, a cyano group, or an alkyl group. Particularly preferred are such amides where R.sup.3 CH.dbd.CR.sup.2 CO-- denotes a sorbyl group and containing additional 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 polymerized by means of actinic radiation and are useful in the preparation of printing plates and printed circuits.
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Ciba-Geigy Corporation
Hall Luther A. R.
Page Thurman K.
Tillman Murray
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