期刊
JOURNAL OF POLYMERS AND THE ENVIRONMENT
卷 21, 期 3, 页码 615-622出版社
SPRINGER
DOI: 10.1007/s10924-013-0578-y
关键词
Plasticized soy meal; Poly (butylene adipate-co-terephthalate); Guanidine hydrochloride; Bioblends
资金
- Ontario Ministry of Agriculture, Food, and Rural Affairs (OMAFRA) [SR9223]
- Hannam Soybean Utilization Fund (HSUF)
Soy meal, a co-product of the soy oil-based biodiesel industry, has up to 50 % protein content. The main aim of this work was to develop value-added application for soy meal. Soy meal was plasticized by glycerol and water, denatured by the addition of guanidine hydrochloride (GHCl), and then blended with poly (butylene adipate-co-terephthalate) (PBAT), petroleum based tough biodegradable polymer. Characterization by FTIR spectroscopy confirmed that soy meal was plasticized and denatured. The blends of PBAT/soy meal (SM), PBAT/plasticized soy meal and PBAT/GHCl modified plasticized soy meal (mPSM) were fabricated by industry prevalent extrusion and injection molding process. The developed bioblends were characterized by thermal and mechanical testing. One of the important outcomes of this research was that elongation of the bioblend was found to increase by 80 % after plasticization and denaturation of soy meal. Scanning electron microscope analysis showed that PBAT/mPSM blends have smoother surfaces and better internal structures than the other two.
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