Process for producing 2-(C.sub.1 to C.sub.3 alkyl)-.DELTA..sup.2

Details Process for producing 2-(C.sub.1 to C.sub.3 alkyl)-.DELTA..sup.2 Process for producing 2-(C.sub.1 to C.sub.3 alkyl)-.DELTA..sup.2

1981-09-11

1982-12-21

Welsh, Maurice J.

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

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

528408, 548239, C08G 7300

Patent

active

043650562

ABSTRACT:
A process for producing linear or slightly branched 2-(C.sub.1 to C.sub.3 -alkyl)-.DELTA..sup.2 -oxazoline copolymers from more than 50 mole % of 2-(isopropyl- and/or n-propyl)-.DELTA..sup.2 -oxazoline and less than 50 mole % of 2-(methyl- and/or ethyl)-.DELTA..sup.2 -oxazoline, the copolymers having a viscosity number in the range of 35 to 70 ml/g which is easily reproducible from batch to batch, comprises polymerizing the corresponding monomers in the presence of a cation-active catalyst having an anion of slightly nucleophilic nature, wherein,

REFERENCES:
patent: 3326929 (1967-06-01), Seeligen
Chem. Review 71, 1971, 496.
J. Macromol. Schi. A9, (1975), 703 ff.
Angew Chem. 78, (1966), 920.

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