Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1975-01-09
1978-09-26
Anderson, Harold D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
252431N, 260615B, 260823, 260824R, 260827, 260830R, 260836, 260857UN, 260874, 528 37, 528 14, 528356, 528358, 528355, 528379, 528380, 528408, 528413, 526204, 526180, 526205, 5263402, 526346, 5263297, 5263522, C08G 6512, C08G 6310, C08G 7506, C08G 7708
Patent
active
041168879
ABSTRACT:
A novel process for polymerization or copolymerization of monomers is described, according to which the reaction is carried out in the presence of an anionic initiator and a macroheterocyclic complexing agent of formula ##STR1## in which: EACH R.sub.1 is a hydrogen atom, a hydrocarbon group or an alkoxycarbonyl group, or the two R.sub.1 together can form a group of the general formula: ##STR2## THAT IS TO SAY FORMING A THIRD BRIDGE BETWEEN THE TWO NITROGEN ATOMS IN THE MOLECULE, A is a hydrocarbon group,
REFERENCES:
patent: 3159647 (1964-12-01), Poppelsdorf
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patent: 3462398 (1969-08-01), Wagner et al.
patent: 3532645 (1970-10-01), Schulze et al.
patent: 3536679 (1970-10-01), Langer
patent: 3560450 (1971-02-01), Curotti
Bywater, "Anionic Polymerization", at pp. 27-30, 47-53, & 64-69, vol. 4, Progress in Polymer Science, Edited by A.D. Jenkins, Pergamon, Oxford & New York, 1974.
Furukawa et al., "Polymerization of Aldehydes and Oxides", Interscience, 1963, pp. 155.161 & 167-169.
Miki et al., "Polyalkylene Oxide", Chemical Abstracts 73, 15498z (1970).
Boileau Sylvia
Cau Alain Andre
Kaempf Bernd
Lehn Jean-Marie
Moinard Jean Robert
Anderson Harold D.
Nielsen E. A.
Societe Nationale des Poudres et Explosifs
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