Glycerol esters
View Patent ↗There is provided a compound of the formula (I) wherein R1 is an alkyl, alkenyl or alkynyl group containing x carbon atoms, wherein x is from 1 to 10, wherein one of R2 and R3 is an alkyl, alkenyl or alkynyl group containing y carbon atoms, wherein y is from 1 to 10, wherein the other of R2 and R3 is a branched group of the formula (II) wherein q is from 0 to 3, wherein each R5 is independently selected from —OH and —O—C(O)—R4, wherein n is from 10 to 20 and m is selected from 2n-q, 2n-2-q, 2n-4-q, and 2n-6-q, wherein each R4 is independently selected from alkyl, alkenyl and alkynyl groups containing z carbon atoms, wherein z is from 7 to 21, wherein z is different to at least one of x and y.
1. A compound of the formula
wherein R 1 is an alkyl, alkenyl or alkynyl group containing x carbon atoms, wherein x is from 1 to 10
wherein one of R 2 and R 3 is an alkyl, alkenyl or alkynyl group containing y carbon atoms,
wherein y is from 1 to 10,
wherein the other of R 2 and R 3 is a branched group of the formula
wherein q is from 0 to 3, wherein each R 5 is independently selected from —OH and —O—C(O)—R 4
wherein n is from 10 to 20 and m is selected from 2n-q, 2n-2-q, 2n-4-q, and 2n-6-q, wherein each R 4 is independently selected from alkyl, alkenyl and alkynyl groups containing z carbon atoms,
wherein z is from 7 to 21,
wherein z is different to at least one of x and y.
2. A compound according to claim 1 wherein z is different to x and y.
3. A compound according to claim 1 wherein x is equal to y.
4. A compound according to claim 1 wherein x is equal to y, and z is different to x and y.
5. A compound according to claim 1 wherein x is from 1 to 5.
6. A compound according to claim 1 wherein x is from 1 to 3.
7. A compound according to claim 1 wherein x is 1.
8. A compound according to claim 1 wherein y is from 1 to 5.
9. A compound according to claim 1 wherein y is from 1 to 3.
10. A compound according to claim 1 wherein y is 1.
11. A compound according to claim 10 wherein n is from 16 to 20.
12. A compound according to claim 10 wherein n is from 16 to 18.
13. A compound according to claim 10 wherein n is 17.
14. A compound according to claim 1 wherein z is from 8 to 17.
15. A compound according to claim 1 wherein z is from 8 to 15.
16. A compound according to claim 1 wherein z is from 9 to 13.
17. A compound according to claim 1 wherein z is 11.
18. A compound according to claim 1 wherein the branched group is a group of the formula
wherein v is from 7 to 10, w is 2v, and p is from 7 to 19.
19. A compound according to claim 18 wherein v is 10.
20. A compound according to claim 18 wherein p is from 7 to 14.
21. A compound according to claim 19 wherein p is 8 or 12.
22. A compound according to claim 19 wherein p is 10.
23. A compound according to claim 1 wherein R 3 is the branched group.
24. A compound according to claim 1 wherein x is 1, y is 1, n is 17 and z is 11.
25. A compound according to claim 1 of the formula
26. A composition comprising
i) a thermoplastic polymer
ii) a compound as defined in any one of the preceding claims.
27. A composition according to claim 26 wherein the thermoplastic polymer is or comprises a vinyl chloride polymer or a vinyl chloride copolymer selected from vinyl chloride/vinyl acetate copolymer, vinyl chloride/vinylidene chloride copolymer, vinyl chloride/ethylene copolymer and a copolymer prepared by grafting vinyl chloride onto ethylene/vinyl acetate copolymer, and mixtures thereof.
28. A composition according to claim 26 wherein the thermoplastic polymer is or comprises a polymer blend of a thermoplastic polymer and a second polymer.
29. A composition according to claim 28 , wherein the second polymer is a methacryl polymer or an acrylonitrile-butadiene-styrene polymer.
30. A composition according to claim 26 wherein the composition comprises the compound in an amount of 1 to 100 parts by weight per 100 parts by weight of the thermoplastic polymer.