Preparation of Sustainable Biobased Compounds of Pla/pbat/pbs;study on Processability there of

Abstract

As a result of the overuse of conventional plastic products in daily applications by human being and as per data available only 9-10% is recycles out of whatever is produces to the date, compostable plastics such as poly (lactic acid) (PLA) and poly (butylene adipate-co-terephthalate) (PBAT) have been extensively uses in many applications as an alternative to conventional plastics due to its biologically degradable properties. These plastics offer the circularity of the carbon cycle. However, each of them has advantages and disadvantages. PLA and PBAT are the polymers on which several researches have been done. Compounds of these two polymers have been prepares with and without chain extenders and properties have been studies. Now a days many compostable and biodegradable polymers have been synthesised, irrespective of its monomer root, whether naturally available or fossil bases. One of the newly developed polymer polybutylene succinate (PBS) has also gains the attention of manufacturers due to its unique properties. The ternary blend of PLA/PBAT/PBS are therefore very interesting in terms of phase morphology and their physical properties while offering compostable practices. In this work, we have prepared different blends of PLA/PBAT/PBS with and without use of chain extenders and calcium carbonate as a filler. Study has been done on blown film extrusion machine to evaluate processability.