The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.
Increased impact strength of biodegradable poly(lactic acid)/poly(butylene succinate) blend composites by using isocyanate as a reactive processing agent
Abstract
Poly(lactic acid) (PLA) blended with poly(butylene succinate) (PBS) was prepared in the presence of lysine triisocyanate (LTI) by using a twin‐screw extruder and injection molding machine. The physical properties, rheological behavior, compatibility, and morphology were investigated by using a tensile test, a Charpy impact test, melt mass‐flow rate (MFR) measurements, size exclusion chromatography (SEC), and laser scanning confocal microscopy (LSCM). The impact strength of PLA/PBS(90/10 wt %) blend composite was about 18 kJ/m 2 in the absence of LTI, and it increased to 50–70 kJ/m 2 in the presence of LTI at 0.5 wt %. The MFR value of PLA/PBS(90/10 wt %) decreased from 25 g/10 min at 200°C in the absence of LTI to approximately 3 g/10 min in the presence of LTI. These results imply that isocyanate groups of LTI reacted with both terminal hydroxyl or carboxyl groups of the polymers. Spherical particles at 1 μm were observed by using LSCM in the presence of LTI. These results indicate that the LTI is a useful reactive processing agent to increase the compatibility of PLA/PBS blend composites to increase the impact strength of PLA. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2007
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Metadata
- Authors
- Harada, M., Ohya, T., Iida, K., Hayashi, H., Hirano, K., & Fukuda, H.
- Venue
- Journal of Applied Polymer Science
- Publisher
- Wiley
- Published
- 2007-07-18
- Volume
- 106
- Issue
- 3
- Pages
- 1813-1820
- ISSN
- 0021-8995 (ISSN-L)
- 1097-4628
- OpenAlex
- W2048776367
- Cited by
- 254
- References
- 24
- FWCI
- 3.69
- Type
- journal article
- Language
- en
- Open access
- closed
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