What is cellophane?
Q: What is cellophane?
A: Cellophane is a thin, transparent sheet made of cellulose which is a bioplastic wrapping material.
Q: What is the use of cellophane in food packaging?
A: Cellophane has low permeability which means very little air, oils, greases, bacteria, and water can get into it, making it useful in food packaging.
Q: Who invented cellophane?
A: Cellophane was invented by Swiss chemist Jacques E. Brandenberger.
Q: What did Brandenberger add to cellophane to make it softer?
A: To make cellophane softer, Brandenberger added glycerin.
Q: When was cellophane patented?
A: Cellophane was patented in 1912.
Q: How did DuPont modify cellophane?
A: DuPont chemists modified cellophane to make it moisture proof.
Q: What was the impact of cellophane on self-service retailing?
A: Cellophane played a crucial role in developing the self-service retailing of fresh meat as the transparency helped customers see the quality of meat before buying, and also prevented discoloration of food.
