Decisive Reaction Steps at Initial Stages of Photoinitiated Radical Polymerizations | Zendy

Griesser Markus | Zendy; Neshchadin Dmytro | Zendy; Dietliker Kurt | Zendy; Moszner Norbert | Zendy; Liska Robert | Zendy; Gescheidt Georg | Zendy

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Decisive Reaction Steps at Initial Stages of Photoinitiated Radical Polymerizations

Author(s) -

Griesser Markus,

Neshchadin Dmytro,

Dietliker Kurt,

Moszner Norbert,

Liska Robert,

Gescheidt Georg

Publication year - 2009

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200904473

Subject(s) - photoinitiator , radical , photochemistry , chemistry , photodissociation , double bond , polymer chemistry , acrylate , oxide , polymer , organic chemistry , copolymer , monomer

The first addition of photoinitiator radicals formed by the photolysis of a bisacylphosphine oxide photoinitiator to an acrylate double bond proceeds reversibly (see scheme; R 1 = t Bu, H; R 2 =MeOC(O), BuOC(O)). Moreover, hydrogen transfer between substituted benzoyl radicals and the growing radical chain explains the formation of aldehydes in such a transformation.

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