Method for radical emulsion polymerisation using...

Details Method for radical emulsion polymerisation using... Method for radical emulsion polymerisation using...

2005-02-03

2009-12-22

Gulakowski, Randy (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S193000, C526S217000, C526S317100, C526S319000, C526S346000, C525S255000, C525S259000, C525S299000, C524S707000

Reexamination Certificate

active

07635740

ABSTRACT:
The present invention relates to a process for radical emulsion, miniemulsion or microemulsion polymerization employing at least one water-soluble alkoxyamine.This process makes it possible to prepare multiblock (co)polymers, in particular diblock and triblock (co)polymers.

REFERENCES:
patent: 3546154 (1970-12-01), Hwa et al.
patent: 6353065 (2002-03-01), Charleux et al.
patent: 6657043 (2003-12-01), Guerret et al.
patent: 2003/0149205 (2003-08-01), Callais et al.
Charleux et al. Nitroxide-Mediated Controlled Free-Radical Emulsion Polymerization of Styrene and n-Butyl Acrylate with a Water-Soluble Alkoxyamine as Initiator. Published Nov. 17, 2004. Angewandte Chemie International Edition. vol. 43, Iss. 45. pp. 6186-6189.
Details of the above article. Scheme 1.

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