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sulfurierte derivatives of aromatic alifatischen and alifatischen ketones as initiators for the photopolymerisation.
sulfurierte derivatives of aromatic alifatischen and alifatischen ketones as initiators for the photopolymerisation.
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机译:芳族alifatischen和alifatischen酮的硫磺衍生物作为光聚合引发剂。
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摘要
The invention relates to the use of a new class of sulphurated derivatives of aromatic-aliphatic or aliphatic ketones as a) polymerization or crosslinking photoinitiators for transparent or pigmented mixtures containing ethylenically unsaturated photopolymerizable compounds, in particular for obtaining polyacrylates, b) photochemically releasable latent acid catalysts, useful for crosslinking systems polycondensable by acid catalysis, of the type comprising etherified aminoplasts together with compounds containing hydroxyl, carboxyl, amido, amino and other functionalities. Said sulphurated derivatives enable manufactured articles to be obtained with exceptionally clear color while maintaining photochemical reactivity at high levels.
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