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Aliphatic polyesters. I. The degradation of poly(ϵ‐caprolactone) in vivo
Abstract
The degradation of poly(ϵ‐caprolactone) in rabbits, rats, and water was studied by measurement of changes in intrinsic viscosity, molecular weight, crystallinity, Young's modulus, and weight. Degradation proceeds by nonenzymatic random hydrolytic cleavage of ester linkages. The process is autocatalytic, and the kinetic relationship Mn/Mno = exp(–kt) is observed until the Mn has decreased to approximately 5000. Significant weight loss is not observed until this point but, once initiated, the rate of weight loss depends markedly on the particle size. Chain scission is associated with an increase in crystallinity, which partly determines the rate of degradation.
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Cites
Miller, R. A., Brady, J. M., & Cutright, D. E. (1977) · Journal of Biomedical Materials Research · doi:10.1002/jbm.820110507 · Cited by 722
Cited by
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Mechanisms of polymer degradation and erosion
Göpferich, A. (1996) · Biomaterials · doi:10.1016/0142-9612(96)85755-3 · Cited by 1,781
Mechanistic implications of plastic degradation
Singh, B., & Sharma, N. (2008) · Polymer Degradation and Stability · doi:10.1016/j.polymdegradstab.2007.11.008 · Cited by 1,569
Engelberg, I., & Kohn, J. (1991) · Biomaterials · doi:10.1016/0142-9612(91)90037-b · Cited by 803
Degradation mechanisms of polycaprolactone in the context of chemistry, geometry and environment
Bartnikowski, M., Dargaville, T. R., Ivanovski, S., & Hutmacher, D. W. (2019) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2019.05.004 · Cited by 769
Metadata
- Authors
- Pitt, C. G., Chasalow, F. I., Hibionada, Y. M., Klimas, D. M., & Schindler, A.
- Venue
- Journal of Applied Polymer Science
- Publisher
- Wiley
- Published
- 1981-11
- Volume
- 26
- Issue
- 11
- Pages
- 3779-3787
- ISSN
- 0021-8995 (ISSN-L)
- 1097-4628
- OpenAlex
- W2059815320
- Cited by
- 712
- References
- 1
- FWCI
- 1.66
- Type
- journal article
- Language
- en
- Open access
- closed
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- Pitt, C. G., Chasalow, F. I., Hibionada, Y. M., Klimas, D. M., & Schindler, A. (1981). Aliphatic polyesters. I. The degradation of poly(ϵ‐caprolactone) in vivo. Journal of Applied Polymer Science. https://doi.org/10.1002/app.1981.070261124
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
