The steps involved in determining the optimum conditions for CMC with a variation of CMC used as much as 15%, 20%, 25% (w/w starch), the second stage is determining the optimum conditions for sorbitol with a variation of 20%, 30%, 40% (w/w starch), the third stage is mixing avocado seeds starch with sorbitol and CMC of 20% by weight of avocado starch. Determination of the quality of biodegradable plastics is based on the results of tensile tests, elongation tests, and biodegradation tests of biodegradable plastics. The starch used in this study was avocado seeds.
Biodegradable plastics used are made from natural materials, for example, starch. Therefore, the effort can be made to tackle plastic waste, namely by replacing the use of synthetic plastics with biodegradable plastics. The use of synthetic plastics increases every year so that it has an impact in the form of environmental pollution. So far the plastics used are made of synthetic polymer materials that are difficult to decompose in nature and their availability is very limited.
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