Cassava starch (Dragon Fish brand, amylose/amylopectin content
17%/83%, moisture content of 11% total weight and molecular
weight of 1.34 × 108 g/mol) was purchased from Tong Chan
registered ordinary partnership, Thailand. Glycerol (99%) and
CTS (deacetylation degree of 85% and molecular weight of
5.0 × 105 g/mol) were purchased from Union Science Co., Ltd.,
Thailand. PE-MAH (DuPont (Thailand) Co., Ltd.) name of Fusabond
(EMB226-D) with melt flow index of 1.75 g/10 min, and MAH content
of 2%, was kindly supplied by Chemical Innovation Co., Ltd.,
Thailand. PE (Thai-ZEX 1600J) was kindly supplied by Polyethylene
Public Co., Ltd., Thailand. Lactic acid (99%) was a product of Merck