But cellophane films can only be made less than ... The researchers could shape the sheets to make cups or straws. A cup made from the transparent material could hold just-boiled water for over ...

Traditionally, cellophane has remained too flexible for ... product that can be molded into solid forms like drinking cups and food containers. In lab tests, a cup made from this transparent ...

A waterproof, plant-based material that degrades quickly in the ocean could offer a sustainable alternative to single-use plastics in cups and straws. Transparent paperboard is, like cellophane ...