Furanone-initiated polymers
View Patent ↗Polymers initiated with furanones and compositions containing such polymers are suitable for use in making textiles, medical devices, delivery agents, packaging materials, coatings for such items, and the like.
1. A furanone-initiated polymer comprising:
one or more lactone monomers copolymerized with at least one monomer selected from the group consisting of absorbable cyclic amides, absorbable cyclic ether-esters derived from crown ethers, alpha hydroxy acids, beta hydroxyacids, polyalkyl ethers, and combinations thereof; and
a furanone of the formula
wherein R 2 , R 3 and R 4 are independently or all H, halogen, hydroxyl, or acetate, “ ” represents a double bond, and
X is a moiety selected from the group consisting of H, halogen, formyl, carboxyl, cyano, ester, amide, alkyl, alkoxy, oxoalkyl, alkenyl, alkynyl, aryl or arylalkyl, which moiety may optionally be substituted with one or more substituents or interrupted by one or more hetero atoms.
2. The furanone-initiated polymer of claim 1 , wherein the furanone is selected from the group consisting of
wherein R 1 , R 2 , R 3 , R 4 and R 5 are independently or all H, halogen, hydroxyl, or acetate.
3. The furanone-initiated polymer of claim 1 , wherein the one or more lactone monomers are selected from the group consisting of lactide, glycolide, trimethylene carbonate, tetramethylene carbonate, dimethyl trimethylene carbonate, dioxanones, dioxepanones, caprolactone, valerolactone, and combinations thereof.
4. The furanone-initiated polymer of claim 1 , wherein the at least one monomer is selected from the group consisting of glycolic acid, lactic acid, beta hydroxybutyric acid, gamma hydroxyvaleric acid, polyethylene glycol, and combinations thereof.
5. An article comprising the furanone-initiated polymer of claim 1 , wherein the article is selected from the group consisting of textiles, packaging materials and medical devices.
6. A coating comprising the furanone-initiated polymer of claim 1 .
7. A method comprising:
contacting one or more lactone monomers with at least one monomer selected from the group consisting of absorbable cyclic amides, absorbable cyclic ether-esters derived from crown ethers, alpha hydroxy acids, beta hydroxyacids, polyalkyl ethers, and combinations thereof, and a furanone initiator under polymerizing conditions; and
recovering the polymer.
8. The method of claim 7 , wherein the furanone initiator is of the formula
wherein R 2 , R 3 and R 4 are independently or all H, halogen, hydroxyl, or acetate;
“ ” represents a double bond; and
X is a moiety selected from the group consisting of H, halogen, formyl, carboxyl, cyano, ester, amide, alkyl, alkoxy, oxoalkyl, alkenyl, alkynyl, aryl or arylalkyl, which moiety may optionally be substituted with one or more substituents or interrupted by one or more hetero atoms.
9. The method of claim 7 , wherein the furanone is selected from the group consisting of
wherein R 1 , R 2 , R 3 , R 4 and R 5 are independently or all H, halogen, hydroxyl, or acetate.
10. The method of claim 7 , wherein the one or more lactone monomers are selected from the group consisting of lactide, glycolide, trimethylene carbonate, tetramethylene carbonate, dimethyl trimethylene carbonate, dioxanones, dioxepanones, caprolactone, valerolactone, and combinations thereof.
11. The method of claim 7 , wherein the at least one monomer is selected from the group consisting of glycolic acid, lactic acid, beta hydroxybutyric acid, gamma hydroxyvaleric acid, polyethylene glycol, and combinations thereof.
12. The method of claim 7 , wherein the one or more monomers and the furanone initiator are heated at temperatures from about 160° C. to about 200° C. for a period of time from about 4 hours to about 30 hours.
13. A suture comprising a furanone-initiated polymer comprising:
one or more lactone monomers copolymerized with at least one monomer selected from the group consisting of absorbable cyclic amides, absorbable cyclic ether-esters derived from crown ethers, alpha hydroxy acids, beta hydroxyacids, polyalkyl ethers, and combinations thereof; and
a furanone of the formula
wherein R 2 , R 3 and R 4 are independently or all H, halogen, hydroxyl, or acetate,
“ ” represents a double bond, and
X is a moiety selected from the group consisting of H, halogen, formyl, carboxyl, cyano, ester, amide, alkyl, alkoxy, oxoalkyl, alkenyl, alkynyl, aryl or arylalkyl, which moiety may optionally be substituted with one or more substituents or interrupted by one or more hetero atoms.
14. The suture of claim 13 , wherein the furanone is selected from the group consisting of
wherein R 1 , R 2 , R 3 , R 4 and R 5 are independently or all H, halogen, hydroxyl, or acetate.
15. The suture of claim 13 , wherein the one or more lactone monomers are selected from the group consisting of lactide, glycolide, trimethylene carbonate, tetramethylene carbonate, dimethyl trimethylene carbonate, dioxanones, dioxepanones, caprolactone, valerolactone, and combinations thereof.
16. The suture of claim 13 , wherein the at least one monomer is selected from the group consisting of glycolic acid, lactic acid, beta hydroxybutyric acid, gamma hydroxyvaleric acid, polyethylene glycol, and combinations thereof.
17. The suture of claim 13 , wherein at least a portion of a surface of the suture possesses a coating comprising the furanone-initiated polymer.