Plastics are a wide range of synthetic or semisynthetic materials composed primarily of polymers. Their defining characteristic, plasticity, allows them to be molded, extruded, or pressed into a diverse …

Nov 19, 2025 · plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.

Oct 31, 2025 · Plastic products are generally versatile, durable and lightweight. Plastic products are prominent in the construction, transportation, and packaging industries. Plastic innovations …

Apr 21, 2023 · Plastic is a synthetic polymer made from various organic materials that can be molded into almost any shape. Some types of plastic are clear and transparent, like that used in disposable …

Nov 18, 2025 · Plastic coverage from Scientific American, featuring news and articles about advances in the field.

The meaning of PLASTIC is a plastic substance; specifically : any of numerous organic synthetic or processed materials that are mostly thermoplastic or thermosetting polymers of high molecular …

5 days ago · Plastic bags tangled in trees. Takeout containers scattered along roadsides. Bottles clogging streams and waterways and washing up on beaches. Across the United States, plastic …

What is Plastic? Plastic is a manufactured material mainly made from natural gas, oil, and coal. Plastics are synthetic polymers consisting of long, repeating chains of molecules that are chemically bonded …

Worried about bisphenol A (BPA) and other plastic chemicals? Read about types of plastics, how they're made and what the resin identification (recycling) numbers mean.

In this article, we'll examine the chemistry of plastic, how it's made, how it's used, and how it's disposed of and recycled. We'll also look at some new biologically based plastics and their role in the future of …