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Many starch-based plastics, PLA-based plastics and certain aliphatic-aromatic co-polyester compounds, such as succinates and adipates, have obtained these certificates. Additive-based bioplastics sold as photodegradable or Oxo Biodegradable do not comply with these standards in their current form.
The polluting effects of carbon disulfide and other by-products of the process used to make viscose may have also contributed [citation needed] to its falling behind lower cost petrochemical-based films such as biaxially-oriented polyethylene terephthalate (BoPET) and biaxially oriented polypropylene (BOPP) in the 1980s and 1990s. However, as ...
Cellulose acetate fiber, one of the earliest synthetic fibers, is based on cotton or tree pulp cellulose ("biopolymers"). These "cellulosic fibers" have been replaced in many applications by cheaper petro-based fibers (nylon and polyester) in recent decades. [6] Trade names for acetate include Acele, Avisco, Celanese, Chromspun, and Estron. [7]
Production is based on a process developed in 1897 by the German company M.M.Rotten in Berlin to produce a natural material utilizing cellulose.Almost 100 years later, three material researchers advanced the process and, in 2005, created a company that manufactured artisanal products from the material.
Starch being biodegradable and renewable is used for many applications including plastics and pharmaceutical tablets. Cellulose: Cellulose is very structured with stacked chains that result in stability and strength. The strength and stability comes from the straighter shape of cellulose caused by glucose monomers joined by glycogen bonds. The ...
Cellulose fibers (/ ˈ s ɛ lj ʊ l oʊ s,-l oʊ z /) [1] are fibers made with ethers or esters of cellulose, which can be obtained from the bark, wood or leaves of plants, or from other plant-based material. In addition to cellulose, the fibers may also contain hemicellulose and lignin, with different percentages of these components altering ...
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