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US 5,314,970 AGranted
OO-t-alkyl O-polycaprolactone monoperoxycarbonates
AssigneeElf Atochem North America, Inc.
InventorsRonald E. MacLeay, Jennifer P. Kmiec, Robert T. Kazmierczak
Life of this patent
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Abstract
OO-t-alkyl O-polycaprolactone monoperoxy carbonate compounds comprising polycaprolactones end capped with OO-t-alkyl peroxy carbonate groups which compounds are useful in the preparation of polycaprolactone block and graft copolymers are disclosed. Also disclosed are processes for the preparation and use of the above compounds including use of the above compounds as compatibilizing agents for otherwise immiscible polymers, as well as intermediates useful in the preparative processes.
Claims14
Peroxy terminated poly(e-caprolactones) of formula I:
- (A-X-).sub.m -R-(X'-B).sub.n I
- wherein
- A is ##STR15## B is ##STR16## m is an integer of 0 to 3, n is an integer of 1 to 4,
- and m+n is an integer of 1 to 4,
- R.sup.1 and R.sup.2 are the same or different and are selected from alkyl groups having 1 to 4 carbon atoms;
- R.sup.3 is an alkyl group having 1 to 12 carbons or an acetylenic group of 2 to 12 carbons;
- y is an integer and varies from 0 to 10,000,
- x is an integer and varies from 4 to 22,000, and
- (y)(m)+(x)(n) is an integer and varies from 4 to 22,000;
- X and X' are the same or different and are selected from --O--, or --N(R.sup.4)--;
- R is a substituted or unsubstituted aliphatic, alicyclic, aromatic or araliphatic radical, diradical, triradical or tetraradical,
- when n+m is 1, R is a substituted or unsubstituted aliphatic radical of 1 to 20 carbons, a substituted or unsubstituted alicyclic radical of 5 to 18 carbons, a substituted or unsubstituted aromatic radical of 6 to 14 carbons, a substituted or unsubstituted araliphatic radical of 7 to 22 carbons or a substituted or unsubstituted aromatic or non-aromatic heterocyclic radical of 5 to 12 carbons,
- when n+m is 2, R is a substituted or unsubstituted aliphatic diradical of 2 to 20 carbons, a substituted or unsubstituted aliphatic diradical of 4 to 20 carbons or a substituted or unsubstituted aliphated diradical of 4 to 20 carbons or a substituted or unsubstituted aliphatic diradical of 4 to 20 carbons which is interrupted by one to three --O--, --S-- or --N(R.sup.4)-- groups in the chain with the proviso that multiple heteroatoms must be separated from each other and the diradical chain ends by at least two carbon atoms, a substituted or unsubstituted alicyclic diradical of 5 to 18 carbons, a substituted or unsubstituted carbocyclic aromatic diradical of 6 to 12 carbons or a substituted or unsubstituted araliphatic diradical of 7 to 22 carbons, when n+m is 3, R is a substituted or unsubstituted aliphatic triradical of 3 to 20 carbons, a substituted or unsubstituted alicyclic triradical of 5 to 18 carbons, a substituted or unsubstituted aromatic triradical of 6 to 14 carbons or a substituted or unsubstituted araliphatic triradical of 7 to 22 carbons,
- when n+m is 4, R is a substituted or unsubstituted aliphatic tetraradical of 4 to 20 carbons, a substituted or unsubstituted alicyclic tetraradical of 6 to 18 carbons, a substituted or unsubstituted aromatic tetraradical of 6 to 14 carbons or a substituted or unsubstituted araliphatic tetraradical of 7 to 22 carbons;
- R.sup.4 is hydrogen, substituted or unsubstituted aliphatic of 1-20 carbons, substituted or unsubstituted alicyclic of 5-18 carbons, substituted or unsubstituted aromatic of 6-14 carbons, or substiuted or unsubstituted araliphatic of 7-22 carbons;
- and
- substituents for R and R.sup.4 are selected from one or more of chloro, bromo, alkyl of 1-8 carbons, alkoxy of 1-12 carbons, aryloxy of 6-10 carbons, or cyano, and additional substituents for R are selected from one or more of acyloxy of 1-4 carbons, acryloyloxy or methacryloyloxy.
14 more elements
Dependencies are inferred from the claim text.