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A bioplastic such as high-density polyethylene (HDPE) [113] can be 100% biobased (i.e. contain 100% renewable carbon), yet be non-biodegradable. These bioplastics such as HDPE nonetheless play an important role in greenhouse gas abatement, particularly when they are combusted for energy production.
Braskem is the world leader in the production of biopolymer, with the Green Polyethylene "I'm green™", a thermoplastic resin produced from ethylene made from sugarcane ethanol, a 100% renewable raw material which helps reduce greenhouse gas emissions. The production started in 2010 and is located in Triunfo, South of Brazil.
While the words "bioplastic" and "biodegradable plastic" are similar, ... In contrast, polypropylene and high-density polyethylene require 85.9 and 73.7 MJ/kg, ...
Bioplastic consumption has increased by several orders of magnitude since 2000, and total bioplastic production capacity is expected to increase sixfold, to 2.1 million tons, by 2013.
Additives are generally in masterbatch formation that use carrier resins such as polyethylene (PE), polypropylene (PP), polystyrene (PS) or polyethylene terephthalate (PET). Most common synthetic plastics are not biodegradable, and both chemical and physical properties of plastics play important roles in the process of plastic degradation.
Bioplastics are possible solutions, but much work is needed to make them viable. Until then, plastic waste will continue accumulating in virtually every ecosystem, every animal species, and every ...
Polyethylene or polythene film biodegrades naturally, albeit over a long period of time. Methods are available to make it more degradable under certain conditions of sunlight , moisture , oxygen , and composting and enhancement of biodegradation by reducing the hydrophobic polymer and increasing hydrophilic properties.
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