Abstract
In this work, biodegradable properties of gelatin and polyethylene compositions, in addition to, influence of ultra violet radiation and peroxide groups were studied. In order to obtain thermoplastic gelatin water and glycerin were used as a plasticizer. For polyethylene/gelatin blends, to provide compatibility polyethylene functionalized with maleic anhydride. It was found that as gelatin content increases, biodegradation also grows while mechanical properties (elastic module and yield strength) decrease.
Highlights
The packaging industry is in dire need of efficient biodegradable polymer systems
In this work, we studied the features of biodegradation of compositions based on maleinized polyethylene (PEMA) and gelatin
Biodegradation is the chemical decomposition of materials caused by living organisms or by the action of enzymes
Summary
The packaging industry is in dire need of efficient biodegradable polymer systems. In this aspect, it is of interest to create compositions containing, in addition to the high-molecular basis, organic fillers such as starch, cellulose, amylose, amylopectin, dextrin, et cetera which are a nutrient surrounding for microorganisms [1,2,3,4,5]. The most technologically advanced method for producing polymer-filler composites is the direct mixing of the components in the polymer melt In this case, the filler is present in the polymer matrix in the form of agglomerates 10-100 μm in size [6,7,8]. The morphology of the polymer mixture, in particular, the polyethylene/gelatin system under consideration, is controlled by the introduction or their creation (compatibilizers) in the form of grafted or block copolymers in the process of mixing the components. With this approach, the desired particle size in the range of hundreds of nanometers can be achieved and stabilized
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