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 …

May 28, 2025 · plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.

May 16, 2022 · Plastics are (mostly) synthetic (human-made) materials, made from polymers, which are long molecules built around chains of carbon atoms, typically with hydrogen, …

Apr 25, 2023 · Affordable, durable and flexible, plastic pervades modern life, appearing in everything from packaging to clothes to beauty products. But it is thrown away on a massive …

Plastics are incredibly versatile materials that can be used to make a variety of products. They are lightweight yet durable, strong yet malleable, and relatively inexpensive to produce. There are …

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 …

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. Health A-Z

2 days ago · Plastic can also accumulate in the digestive systems of animals, blocking nutrient absorption and causing internal injuries. Entanglement in plastic debris can lead to drowning, …

Jun 17, 2025 · Plastic in the Placenta In human tissues and cells, researchers explore the implications for pregnancy. Pregnancy depends on the placenta. This temporary organ ferries …

What is Plastic? Plastic is defined as a material that contains an essential ingredient an organic substance of large molecular weight. It is also defined as polymers of long carbon chains.