Physical Modifications of Starch by Unknown

Author:Unknown
Language: eng
Format: epub
ISBN: 9789811307256
Publisher: Springer Singapore

Radiation-induced graft polymerization is a powerful method for preparation of polymeric materials with new properties (Suwanmala et al. 2012), such as superabsorbent polymer, biomaterials, and drug delivery systems. Radiation processing has many advantages over other conventional methods. In radiation processing, no catalysts or additives are needed to initiate the reaction, so that this process does not cause any further contamination associated with chemical initiators. They are relatively simple and of high efficiency, and the degree of cross-linking and grafting can be controlled easily by varying the absorbed dose (Eid 2008). Zhang and Xu (2017) compared potassium persulfate and irradiation as initiator to graft acrylic acid onto starch and concluded that irradiation was more time-saving, energy-saving, and efficient. This kind of work has been done by many researchers (Ali and Abdel Ghaffar 2017; Abdel Ghaffar et al. 2016; Mahmoud et al. 2014; Sheikh et al. 2013; Lv et al. 2013; Abd El-Rehim et al. 2013; Suwanmala et al. 2012).

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