Chain extension and branching of poly(L-lactic acid) produced by reaction with a DGEBA-based epoxy resin

Express Polymer Letters

Volumn 1, Issue 11, 2007, Pages 734-739

  Zhou, Z F ^a   Huang, G Q ^a   Xu, W B ^a   Ren, F M ^a  

^a HEFEI UNIVERSITY OF TECHNOLOGY   (China)

Author keywords

Biodegradable polymers; Copolymers; Epoxy resin; Poly(L lactic acid)

Indexed keywords

EID: 79957890740     PISSN: 1788618X     EISSN: None     Source Type: Journal    
DOI: 10.3144/expresspolymlett.2007.101     Document Type: Article

References (17)

1. Teng C., Yang K., Ji P., Yu M.: Synthesis and characterization of poly(L-lactic acid)-poly(o-caprolactone) multiblock copolymers by melt polycondensation. Journal of Polymer Science Part A: Polymer Chemistry, 42, 5045-5053 (2004).
2. Kim H. S., Hwang M. O., Kim M. N., Yoon J. S.: Preparation of high-molecular-weight poly(L-lactic acid)-based polymers through direct condensation polymerization in bulk state. Journal of Applied Polymer Science, 100, 466-472 (2006).
3. Moon S. I., Kimura Y.: Melt polycondensation of Llactic acid to poly(L-lactic acid) with Sn(II) catalysts combined with various metal alkoxides. Polymer International, 52, 299-303 (2003).
4. Drumright R. E., Gruber P. R., Henton D. E.: Polylactic acid technology. Advanced Materials, 12, 1841-1846 (2000).
5. Moon S. I., Lee C. W., Miyamoto M., Kimura Y.: Melt polycondensation of L-lactic acid with Sn(II) catalysts activated by various proton acids: a direct manufacturing route to high molecular weight poly(Llactic acid). Journal of Polymer Science, Part A: Polymer Chemistry, 38, 1673-1679 (2000).
6. Zhao Y. M., Wang Z. Y., Yang F.: Characterization of poly(D, L-lactic acid) synthesized by direct melt polymerization and its application in Chinese traditional medicine compound prescription microspheres. Journal of Applied Polymer Science, 97, 195-200 (2005).
7. Stolt M., Viljanmaa M., Södergard A., Törmala P.: Blends of poly(B-caprolactone-b-lactic acid) and poly(lactic acid) for hot-melt applications. Journal of Applied Polymer Science, 91, 196-204 (2004).
8. Chen G. X., Kim H. K., Kim E. S., Yoon J. S.: Synthesis of high-molecular-weight poly(L-lactic acid) through the direct condensation polymerization of Llactic acid in bulk state. European Polymer Journal, 42, 468-472 (2006).
9. Lee C. M., Kim E. S., Yoon J. S.: Reactive blending of poly(L-lactic acid) with poly(ethylene-co-vinyl alcohol). Journal of Applied Polymer Science, 98, 886-890 (2005).
10. Woo S. I., Kim B. O., Jun H. S., Chang H. N.: Polymerization of aqueous lactic acid to prepare high molecular weight poly(lactic acid) by chain-extending with hexamethylene diisocyanate. Polymer Bulletin, 35, 415-421 (1995).
11. Kylma J., Seppala J. V.: Synthesis and charaterization of biodegradable thermoplastic poly(ester-urethane) elastomer. Macromolecules, 30, 2876-2882 (1997).
12. Zhou Z. F., Xu W. B., Zuo C. R.: Method for preparing film poly(L-lactic acid) copolymer by inner plasticizing. China Patent, CN1243033, China (2005).
13. Cohn D., Hotovely-Salomon A.: Biodegradable multiblock PEO/PLA thermoplastic elastomers: molecular design and properties. Polymer, 46, 2068-2075 (2005).
14. Huh K. M., Bae Y. H.: Synthesis and characterization of poly(ethylene glycol)/poly(L-lactic acid) alternating multiblock copolymers. Polymer, 40, 6147-6155 (1999).
15. Qian J. W., Wang M., Han D. L., Cheng R. S.: A novel method for estimating unperturbed dimension [η]θ of polymer from the measurement of its [p] in a nontheta solvent. European Polymer Journal, 37, 1403-1407 (2001).
16. Kim K. W., Woo S. I.: Synthesis of high-molecularweight poly(L-lactic acid) by direct polycondensation. Macromolecular Chemistry and Physics, 203, 2245-2250 (2002).
17. Hoppe C. E., Galante M. J., Oyanguren P. A., Williams R. J. J.: Epoxies modified by palmitic acid: From hot-melt adhesives to plasticized networks. Macromolecular Materials and Engineering, 290, 456-462 (2005).