Claims
- 1. An alkoxide-polymerized addition polymer of an ester of acrylic acid, said polymer being a homopolymer or a copolymer with one or more other anionically copolymerizable ethylenically-unsaturated monomers, wherein the average chain length of the polymer, n, is about 6 to about 30 mers.
- 2. The polymer of claim 1 wherein at least about 80% by weight of the polymer consists of molecules having chain lengths of about n/3 to about 3.3n mers.
- 3. The polymer of claim 2 wherein n is about 6 to about 20.
- 4. An alkoxide-polymerized addition polymer of an ester of acrylic acid, said polymer being a homopolymer or a copolymer with one or more other anionically copolymerizable ethylenically-unsaturated monomers, said polymer having condensation-crosslinkable functionality, wherein the average chain length of the polymer is about 6 to about 30 mers and wherein at least about 80% by weight of the polymer consists of molecules having chain lengths of about n/3 to about 3.3n mers.
- 5. The polymer of claim 4 wherein the polymer is a copolymer of at least one (C.sub.1 -C.sub.24)alkyl acrylate and at least one copolymerized ethylenically-unsaturated ester of acrylic acid having condensation-crosslinkable functionality.
- 6. The polymer of claim 5 wherein the copolymerized ester is 2-oxazolidinylethyl acrylate or t-butylaminoethyl acrylate.
- 7. The polymer of claim 6 wherein the alkyl acylate is a (C.sub.1 -C.sub.4)alkyl acrylate.
- 8. A polymer of claim 2 wherein the polymer corresponds to the formula ##STR10## wherein Y and Y' are individually halogen, amino, (C.sub.1 -C.sub.4)-alkylamino, hydroxy(C.sub.1 -C.sub.4)alkylamino, bis-hydroxy(C.sub.1 -C.sub.4)alkylamino, (C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)-alkylamino, bis(C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)alkylamino, or OR;
- wherein R is hydrogen, (C.sub.1 -C.sub.8)aminoalkyl, (C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.8)alkyl, (C.sub.2 -C.sub.8)isocyanatoalkyl, (C.sub.2 -C.sub.8)hydroxyalkyl, 1,3-oxazolidin-3-yl(C.sub.2 -C.sub.4)alkyl, optionally having up to two (C.sub.1 -C.sub.4)alkyl substituents on the oxazolidinyl ring, (C.sub.1 -C.sub.8)aldimino(C.sub.2 -C.sub.6)alkyl, (C.sub.1 -C.sub.8)aldimino(C.sub.2 -C.sub.6)alkoxyalkyl, the aldimino structures optionally containing halogen, (C.sub.3 -C.sub.13)ketimino(C.sub.2 -C.sub.6)alkyl, (C.sub.3 -C.sub.13)ketimino(C.sub.2 -C.sub.6)alkoxyalkyl, 1,3-dioxolan-4-yl(C.sub.2 -C.sub.4)alkyl, optionally having up to two (C.sub.1 -C.sub.8)hydrocarbon substituents on the dioxolanyl ring, epoxy(C.sub.2 -C.sub.4)alkyl di(C.sub.1 -C.sub.4)alkyl ammonium(C.sub.2 -C.sub.8)epoxy alkyl, 3-chloro-2-hydroxypropyldimethylammoniumethyl, 3-chloro-2-hydroxypropyl, or sodium, potassium or ammonium cation; and
- wherein n' and n" are integers of 0 to 89, wherein the sum of n' and n" is 2 to 89.
- 9. The polymer of claim 8 wherein the polymer also comprises mers of (C.sub.1 -C.sub.24)alkyl acrylate.
- 10. The polymer of claim 9 wherein R is (C.sub.2 -C.sub.8)hydroxyalkyl.
- 11. The polymer of claim 9 wherein R is 1,3-oxazolidinylethyl or 2-alkyl-1,3-oxazolidinylethyl.
- 12. The polymer of claim 9 wherein R is hydrogen.
- 13. The polymer of claim 12 wherein the polymer also comprises mers wherein R is (C.sub.2 -C.sub.8)hydroxyalkyl.
- 14. An alkoxide-polymerized addition polymer of an ester of acrylic acid, said polymer being a homopolymer or a copolymer with one or more other anionically copolymerizable ethylenically-unsaturated monomers, the ester of acrylic acid being selected from the group consisting of (C.sub.1 -C.sub.24)alkyl esters, di(C.sub.1 -C.sub.4)alkylamino(C.sub.2 -C.sub.4)alkyl esters, di(C.sub.1 -C.sub.8)alkoxyalkyl esters, (C.sub.6 -C.sub.10)aryloxyalkyl esters, (C.sub.7 -C.sub.10)aralkoxyalkyl esters, and (C.sub.7 --C.sub.10)aralkyl esters of acrylic acid, wherein n, the average chain length of the polymer, is about 6 to 30 mers, and at least about 80% by weight of the molecules of the polymer have chain lengths of about n/3 to about 3.3n mers.
- 15. The polymer of claim 14 wherein the polymer is a homopolymer of an ester of acrylic acid.
- 16. The polymer of claim 15 wherein the ester is a (C.sub.1 -C.sub.24)alkyl acrylate.
- 17. The polymer of claim 16 wherein the ester is a (C.sub.1 -C.sub.4)alkyl acrylate.
- 18. The polymer of claim 14 wherein the polymer is a copolymer of at least two (C.sub.1 -C.sub.24)alkyl acrylates.
- 19. The polymer of claim 14 wherein the polymer is a copolymer of at least one (C.sub.1 -C.sub.24)alkyl acrylate and at least one other copolymerizable ethylenically-unsaturated monomer.
- 20. The polymer of claim 19 wherein the copolymerizable monomer is acrylonitrile or dimethylaminoethyl acrylate.
- 21. The polymer of claim 20 wherein the alkyl acrylate is a (C.sub.1 -C.sub.4)alkyl acrylate.
- 22. The polymer of claim 3 wherein the polymer consists of mers corresponding to the formula ##STR11## wherein R and R' are individually (C.sub.1 -C.sub.24)alkyl, di(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.8)alkyl, (C.sub.2 -C.sub.12)alkoxyalkyl, (C.sub.7 -C.sub.12)aryloxyalkyl, (C.sub.9 -C.sub.14)aralkyloxyalkyl, or (C.sub.7 -C.sub.10)aralkyl.
- 23. An alkoxide-polymerized addition polymer of an ester of acrylic acid, said polymer being a homopolymer or a copolymer with one or more other anionically copolymerizable ethylenically-unsaturated monomers, wherein the polymer comprises mers having the formula ##STR12## wherein R is acryloyloxyalkyl or methacryloyloxyalkyl having up to 4 carbon atoms in the alkyl portion, and
- wherein n, the average chain length of the polymer, is about 6 to 30 mers, and at least about 80% by weight of the molecules of the polymer having chain lengths of about n/3 to about 3.3n mers.
- 24. The polymer of claim 23 wherein the polymer also comprises mers having the formula ##STR13## wherein R.sup.1 is (C.sub.1 -C.sub.24)alkyl.
- 25. The polymer of claim 24 wherein R.sup.1 is (C.sub.1 -C.sub.4)alkyl.
- 26. An alkoxide-polymerized addition polymer of an ester of acrylic acid, said polymer being a homopolymer or a copolymer with one or more other anionically copolymerizable ethylenically-unsaturated monomers, wherein the polymer comprises mers having the formula ##STR14## wherein R is (C.sub.2 -C.sub.4)alkenyl, allyloxyalkyl having up to 12 carbon atoms, or allyloxyalkoxyalkyl having up to 15 carbon atoms, and
- wherein n, the average chain length of the polymer, is about 6 to 30 mers, and at least about 80% by weight of the molecules of the polymer have chain lengths of about n/3 to about 3.3n mers.
- 27. The polymer of claim 26 wherein R is allyl.
- 28. The polymer of claim 26 wherein R is allyloxyethyl.
- 29. The polymer of claim 26 wherein the polymer also comprises mers having the formula ##STR15## wherein R.sup.1 is (C.sub.1 -C.sub.24)alkyl.
- 30. The polymer of claim 29 wherein R.sup.1 is (C.sub.1 -C.sub.4)alkyl.
- 31. A polymer which is the product of the free-radical polymerization of the polymer of claim 1 with an ethylenically-unsaturated monomer.
- 32. A process for preparing a polymer of an ester of acrylic acid which comprises the gradual addition of the ester and, optionally, one or more other anionically copolymerizable ethylenically-unsaturated monomers to an alkoxide catalyst system at a temperature of about 20.degree. to 125.degree. C., the amount of catalyst being about 0.5 to about 5 mole percent based on the ester charge.
- 33. The process of claim 32 in which the catalyst is in a solvent system consisting of an inert solvent and up to about 20 mole percent, based on the ester charge, of an alcohol.
- 34. The process of claim 3 in which the temperature is 40.degree. to 100.degree. C. and the amount of catalyst being 1 to 4 percent.
CROSS-REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part of our pending application U.S. Ser. No. 241,177 filed in Apr. 5, 1972.
Non-Patent Literature Citations (2)
Entry |
trekoval and Lim, Journal of Polymer Science Part C, 4 333 (1963). |
Stille, J. K. "Introduction to Polymer Chem.", John Wiley & Sons, 48-61, 166-172. |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
241177 |
Apr 1972 |
|