Organic Raw Materials

Cellulose resins and their plastics are the earliest industrialized products in the field of polymer chemistry. It is made of natural Polymers Cellulose, such as wood, short lint and grass cellulose...

A turtle, because the shell is entangled in a plastic bag when it is small, when it grows up, the entanglement divides the whole turtle shell into two distinct parts, like a tight hoop. The hazards...