Thermal degradation analysis of biodegradable plastics from urea-modified soy protein isolate

Polymer - Plastics Technology and Engineering

Volumn 46, Issue 3, 2007, Pages 207-211

  Nanda, Prativa Kumari ^a   Nayak, Padma Lochan ^a   Rao, K Krishna ^b  

^a RAVENSHAW UNIVERSITY   (India)

^b CSIR INSTITUTE OF MINERALS AND MATERIALS TECHNOLOGY   (India)

Author keywords

Biodegradable; Soy protein isolate; Thermogravimetric analysis; Urea

Indexed keywords

BIOPOLYMERS; CHEMICAL MODIFICATION; COMPUTER AIDED ANALYSIS; POLLUTION; PROTEINS; PYROLYSIS; THERMOGRAVIMETRIC ANALYSIS; UREA;

PETROCHEMICAL POLYMERS; SOY PROTEIN ISOLATE;

BIODEGRADABLE POLYMERS;

BIODEGRADABLE POLYMERS; BIOPOLYMERS; CHEMICAL MODIFICATION; COMPUTER AIDED ANALYSIS; POLLUTION; PROTEINS; PYROLYSIS; THERMOGRAVIMETRIC ANALYSIS; UREA;

BIODEGRADABILITY; BIOPOLYMER; CHEMICAL MODIFICATION; COMPUTER PROGRAM; DEGRADATION; KINETICS; PLASTIC; POLLUTION; PROTEIN; THERMOGRAVIMETRY;

EID: 33947715064     PISSN: 03602559     EISSN: 15256111     Source Type: Journal    
DOI: 10.1080/03602550601152713     Document Type: Article

References (22)

1. Nayak, P. L. (1999) Biodegradable polymers: Opportunities challenges. J. Macromol. Sci. Rev. Macromol. Chem. Phys., pp. 481-505.
2. Swain, S. N., Biswal, S. M. and Nanda, P. K. (2004) Biodegradable soy-based plastics: Opportunities and challenges. J. Polym. Environ., pp. 35-42.
3. Swain, S. N., Rao, K. K. and Nayak, P. L. (2004) Biodegradable polymers. III. Spectral, thermal, mechanical and morphological properties of crosslinked furfural-soy protein concentrate. J. Appl. Polym. Sci., 93, pp. 2590-2598.
4. Swain, S. N., Rao, K. K. and Nayak, P. L. (2004) Biodegradable polymers. Part II. Thermal degradation of biodegradable plastics cross-linked from formaldehyde-soy protein concentrate. J. Thermal Anal. Calorim., 79, pp. 33-38.
5. Swain, S. N., Rao, K. K. and Nayak, P. L. (2005) Biodegradable polymers. IV: Spectral, thermal and mechanical properties of cross-linked soy protein concentrate. Polym. Intern., 54, pp. 749-754.
6. Nanda, P. K., Rao, K. K. and Nayak, P. L. (1899) Biodegradable polymers. XI: Spectral, thermal, morphological and biodegradability properties of environment-friendly green plastics of soy protein modified with thiosemicarbazide. J. Appl. Polym. Sci.
7. Wolf, W. J. (1970) Soybean proteins: Their functional, chemical and physical properties. J. Agric. Food Chem., 18:6, pp. 969-976.
8. Roberts, R. C. and Briggs, D. R. (1965) Isolation and characterization of 7S soy Globulins. Cereal Chem., 42, pp. 72-76.
9. Saio, K., Satoh, I. and Watanabe (1973) Food use of soybean 7S and 11S proteins. T. J. Food. Sci., 39, pp. 777-782.
10. Saio, K. and Watanabe, W. (1978) Differences in the functional properties of 7S and 11S soybean proteins. J. Texture Stud., 9, pp. 135-141.
11. German, J. B., Neil, T.E. O' and Kinsella, J. E. (1985) Film forming, a foaming behaviour of food proteins. J. Am. Oil. Chem. Soc., 62, pp. 1358-1366.
12. Bogracheva, Ya. T., Braudo, E. E. and Tolstoguzov, V. B. (1980) Emulsifying properties of soybean globulins and their variation with some inorganic salts. Food Hydrocolloids, 4, pp. 1-18.
13. Zhang, H., Takenaka, M. and Isobe, S. (2004) DSC and electrophoretic studies on soymilk protein denaturation. J. Therm. Anal. Cal., 75:3, pp. 719-726.
14. Kumar, R., Choudhary, V., Mishra, S., Varma, I. K. and Mattiason, B. (2002) Adhesives and plastics based on soy protein products. Ind. Crops Prod., 16, pp. 155-172.
15. Bjorksten, J. (1951) Cross-linkages in protein chemistry. Adv. Protein Chem., 6, pp. 353-358.
16. Wang, S., Sue, H. J. and Jane, J. (1996) Effect of polyhydric alcohols on the mechanical properties of soy protein plastics. J. Macromol. Sci. Pure Appl. Chem., pp. 557-569.
17. Zhang, S., Mungara, P. and Jane, J. (1998) Effects of plasticization and cross-linking on properties of soy protein-based plastics. Polym. Preprints., 39, pp. 162-164.
18. Wu, Y. V. and Inglett, G. E. (1974) Denaturation of plant proteins related to functionalities and food applications. J. Food Sci., 39, pp. 218-225.
19. Moharram, M. A., Abd-El-Nour and Abd-El-Raof (1994) Infrared spectra and dielectric properties of thermally treated soybean proteins. Polym. Degrad. Stab., 45, pp. 429-434.
20. Morr, C. V. (1990) Three-dimensional structure of soy protein and its characterization. JAOCS, 67:5, pp. 265-269.
21. Kilara, A. and Sharkasi, T. Y. (1986) Protein denatures promotion and formation of protein aggregates via electrostatic, hydrophobic and disulphide interchanges. Crit. Rev. Food Sci. Nutr., 23, pp. 323-326.
22. Kitabatake, N., Tahara, M. and Doi, E. (1990) Thermal denaturation of soybean protein at low water contents. Agric. Biol. Chem., 54, pp. 2205-2212.