Process for the anionic polymerization in the presence of crypta

Details Process for the anionic polymerization in the presence of crypta Process for the anionic polymerization in the presence of crypta

1977-08-11

1980-09-23

Nielsen, Earl A.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526191, 526204, 526205, 528 95, 528224, 528233, 528 14, 528239, 528314, 528358, 528368, 528371, 528379, 528409, 528413, 528424, 568679, C08F 446, C08F 450, C08G 6310, C08G 6512, C08G 7708, C08G 6362

Patent

active

042244293

ABSTRACT:
A process for the anionic polymerization or copolymerization of olefinic monomers, dienic monomers, vinyl monomers and heterocyclic monomers is described which comprises reacting at least one monomer which is an olefinic monomer, a vinyl monomer or an heterocyclic monomer with a catalyst capable of inducing anionic polymerization and an aprotic macroheterocyclic cryptant, said at least one monomer being the only medium for the reaction.
The macroheterocyclic complexing agent has general formula ##STR1## in which: R.sub.1 is hydrogen, a hydrocarbon radical or alkoxycarbonyl, or the two R.sub.1 together can form a group of the general formula: ##STR2## in which A is a hydrocarbon radical,

REFERENCES:
patent: 3159647 (1964-12-01), Poppelsdorf
patent: 3412073 (1968-11-01), Hogsed
patent: 3451988 (1969-06-01), Langer, Jr.
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
patent: 3890278 (1975-06-01), Lehn et al.
patent: 4116887 (1978-09-01), Lehn et al.
Bywater, "Anionic Polymerization", at pp. 27-30, 47-53, & 64-69, vol. 4, Progress in Polymer Science, Edited by A. D. Jenkins, Pergamon Press, Oxford & N.Y., 1974.

Affiliated with

Also associated with

Rating

Process for the anionic polymerization in the presence of crypta does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the anionic polymerization in the presence of crypta, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the anionic polymerization in the presence of crypta will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-645374