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The term Biodegradable Plastics refers to materials that maintain their mechanical strength during practical use but break down into low-weight compounds and non-toxic byproducts after their use. [18] This breakdown is made possible through an attack of microorganisms on the material, which is typically a non-water-soluble polymer. [4]
Auto parts, industrial fibers, food containers, liner in bags, dishware and as a wrapping material for textiles and food Polystyrene (thermocole) PS: Thermal insulator. Properties depends on the form, expanded form is tough and rigid: Petri dishes, CD case, plastic cutlery: Polytetrafluoroethylene: PTFE
Almost all plastic is non-biodegradable and without recycling, spreads across the environment [108] [109] where it causes plastic pollution. For example, as of 2015, approximately 8 million tonnes of waste plastic enters the oceans annually, damaging oceanic ecosystems and forming ocean garbage patches .
Polystyrene is generally considered to be non-biodegradable. However, certain organisms are able to degrade it, albeit very slowly. [27] In 2015, researchers discovered that mealworms, the larvae form of the darkling beetle Tenebrio molitor, could digest and subsist healthily on a diet of EPS.
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Biodegradable polymers are mostly plant-base materials, which means they originally come from organic source like soybean or corn. These organic plants have the chance to be sprayed with pesticides which contain chemicals which can contaminate the crops and be transferred into the final finished product.
Almost all plastic is non-biodegradable and without recycling, spreads across the environment [25] [26] where it causes plastic pollution. For example, as of 2015, approximately 8 million tonnes of waste plastic enters the oceans annually, damaging oceanic ecosystems and forming ocean garbage patches .
Silicone, for example, is a synthetic, non-biodegradable material commonly used as a drug delivery material, [38] [39] while gelatin is a biodegradable, natural material commonly used in cell-culture scaffolds [40] [41] [42] The material needed for each application is different, and dependent on the desired mechanical properties of the material.
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