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The Sonali Bag, also known as the Golden Bag, Jute Polymer, or Eco-friendly Poly Bag (in Bengali: সোনালী ব্যাগ), is a bag made of a biodegradable bioplastic. It was created in Bangladesh as a sustainable alternative to traditional plastic bags by scientist Mubarak Ahmad Khan .
Jute fibre is made from the bark tissue of C. olitorius and C. capsularis, especially in South Asian countries, though fibre made from C. olitorius is considered to be of lesser quality. Finished fibres appear golden and silky with a length of up to 3 m and with a diameter of 2.4 μm . [ 19 ]
The industrial term for jute fiber is raw jute. The fibers are off-white to brown and range from 1–4 meters (3.3–13.1 ft) long. In Bangladesh, jute is called the "golden fiber" for its color and monetary value. [2] The bulk of the jute trade is centered in South Asia, with India and Bangladesh as the primary producers.
Polymer degradation is the reduction in the physical properties of a polymer, such as strength, caused by changes in its chemical composition.Polymers and particularly plastics are subject to degradation at all stages of their product life cycle, including during their initial processing, use, disposal into the environment and recycling. [1]
Papier-mâché, a composite of paper and glue, has been used for hundreds of years. [14] The first artificial fibre reinforced plastic was a combination of fiber glass and bakelite, performed in 1935 by Al Simison and Arthur D Little in Owens Corning Company [15]
Natural fibers are also used in composite materials, much like synthetic or glass fibers. These composites, called biocomposites, are a natural fiber in a matrix of synthetic polymers. [1] One of the first biofiber-reinforced plastics in use was a cellulose fiber in phenolics in 1908. [1]
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The seal of a biodegradable bag in French. 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 ...