Photoinitiators for UV-curable systems

Details Photoinitiators for UV-curable systems Photoinitiators for UV-curable systems

1979-06-15

1981-02-17

Ziegler, J.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

106 20, 106 23, 106 25, 20415914, 20415915, 20415919, 20415922, 20415923, C08F 246, C08F 400

Patent

active

042513413

ABSTRACT:
Dialkoxy-acetyl derivatives of aromatic compounds are photosensitizers for the curing of photopolymerisable systems. They can be synthesized from aromatic acetyl compounds(aryl methyl ketones) by reaction with nitrosyl chloride and the corresponding alkanol. Examples of photopolymerizable systems are coatings or printing inks on the basis of unsaturated polyesters or acrylic compounds.

REFERENCES:
patent: 3458548 (1969-07-01), Carlson
patent: 3536661 (1970-10-01), Hagemeyer, Jr. et al.
patent: 3707302 (1974-01-01), Ijichi et al.
patent: 3801329 (1974-04-01), Sandner et al.
patent: 3966573 (1976-06-01), Bean
patent: 3998712 (1976-12-01), Hickmann et al.
patent: 4071424 (1978-01-01), Dart et al.
patent: 4131529 (1978-12-01), Osterloh et al.

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