IIT Roorkee transfers technology to make biodegradable polybags
India Today
IIT Roorkee has developed biodegradable polybags and has transferred the technology to a Noida-based company.
IIT Roorkee has developed a solution for one urgent problem for every person in the society. The government of India has banned the use of certain types of polybags since July 2022, as these are non-biodegradable and considered to be a big hazard to the environment.
Professor PP Kundu, Department of Chemical Engineering, IIT Roorkee, who is an expert in polymer technology has developed a thermoplastic starch that will be blended with LDPE, thereby making LDPE biodegradable.
India being agrarian in nature produces a lot of starch such as potato, rice, wheat, and maize, or corn starch and other starches are available in plenty.
Professor Ajit Kumar Chaturvedi, Director of IIT Roorkee, said, “The developed technology is expected to have immense value in view of the large quantities of starch produced in India and the environment friendly nature of the solution.”
IIT Roorkee has transferred this technology to Noida-based Agrsar Innovatives LLP for manufacturing biodegradable polybags in large quantities. M/s Agrasar will commercially utilize the present technology for manufacturing biodegradable polybags in large quantities.
Natural starch being crystalline cannot be blended with LDPE as its melting point is more than 250oC. So, it can be used as filler in LDPE.
On the other hand, thermoplastic starch is a plasticized form of natural starch obtained from natural sources such as cassava, maize, potato, etc. along with plasticizer. Thermoplastic starch is mainly amorphous, whereas ordinary starch is crystalline.
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