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Biodegradable materials, such as biodegradable polymers, are a viable solution to aid in avoiding the end-of-life athletic footwear waste consumption. [13] The major advantage of introducing biodegradable polymers to athletic footwear is the ability to compost with other organic wastes for it to become useful soil attendant products.
Biodegradable polymers have a long history, and since many are natural products, the precise timeline of their discovery and use cannot be accurately traced. One of the first medicinal uses of a biodegradable polymer was the catgut suture , which dates back to at least 100 AD. [ 4 ]
Use of renewable, biodegradable and compostable materials – when appropriate and do not cause contamination of the recycling stream [23] [24] [25] Avoid the use of materials toxic to humans or the environment; Effects on atmosphere/climate – ozone layer, greenhouse gases (carbon dioxide and methane), volatile organic compounds, etc.
By definition, biodegradable materials are formed or organic compounds which can thus be broken down by living organisms, such as bacteria, fungi, or water molds, and reabsorbed by the natural environment. [13] Whether a material is biodegradable is determined by its chemical structure, not the origin of the material from which it is made. [14]
In typical parlance, the word biodegradable is distinct in meaning from compostable.While biodegradable simply means an object is capable of being decomposed by bacteria or other living organisms, "compostable" in the plastic industry is defined as able to decompose in aerobic environments that are maintained under specific controlled temperature and humidity conditions.
Linoleum is made from dried and milled flax seeds mixed with other plant material (pine resins, wood flour, ground cork) with a jute backing, all completely natural materials which come from renewable sources and are 100% biodegradable. All by products and waste is milled and used. Linoleum does not fade, as the pigments are embedded in the ...