Alkoxyamines containing a vinyl group, their applications...

Details Alkoxyamines containing a vinyl group, their applications... Alkoxyamines containing a vinyl group, their applications...

2005-07-19

2005-07-19

Zalukaeva, Tatyana (Department: 1713)

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C564S001000, C514S315000

Reexamination Certificate

active

06919481

ABSTRACT:
Alkoxyamines containing a vinyl group as represented by the following general formula (1) are produced in a method which comprises a process of heating divinyl benzene, nitroxide compound and organic peroxide up to a temperature at which the organic peroxide decomposes thermally:(In the formula, R1represents an aryl group or an R2O group, wherein R2represents a linear or branched alkyl group having 1-12 carbon atoms or a cycloalkyl group. R3and R4are each tertiary alkyl group having 4-6 carbon atoms or of cyclic structure where R3and R4are connected with each other having a total carbon number of 8-16. In case of cyclic structure, they are optionally substituted either by an alkyl group, an oxo group, a hydroxyl group, an acyloxy group or an alkoxy group.) Furthermore, graft polymers can be produced by the use of high molecular radical polymerization initiators from which an alkoxyamine group suspends.

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C. Hawker et al., “Preparation of Hyperbranched and Star Polymers by a ‘Living’, Self-Condensing Free Radical Polymerization”, J. Am. Chem. Soc. , vol. 117, No. 43, pp. 10763-10764,1995.

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