Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1979-07-06
1981-09-29
Anderson, Harold D.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
101395, 20415923, 430627, 525 59, 525421, 525445, C08F 248
Patent
active
042921520
ABSTRACT:
A photopolymerizable recording composition which comprises a mixture, containing a photoinitiator, of (a) a photopolymerizable olefinically unsaturated monomer and (b) an organic polymeric binder, wherein the photoinitiator is an acylphosphine oxide compound of the formula R.sup.1 R.sup.2 PO-CO-R.sup.3, where R.sup.1 and R.sup.2 are certain organic radicals and R.sup.3 is tert.-alkyl or a cyclic radical with two substituents in the ortho-position to the carbonyl group. The recording compositions have a high reactivity when irradiated with UV light and are used in particular for the preparation of printing plates, relief plates and photoresists.
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Bronstert Bernd
Hoffmann Gerhard
Lechtken Peter
Lynch John
Vyvial Rudolf
Anderson Harold D.
BASF - Aktiengesellschaft
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