Sep 11, 2025 · plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.

Oct 1, 2025 · Plastics are persistent large-scale pollutants, and plastic debris (such as bottles, straws, containers, and plastic wrap) and particulates have been found in many environmental …

Sep 11, 2025 · Plastic - Polymers, Synthetic, Recycling: Polymers are chemical compounds whose molecules are very large, often resembling long chains made up of a seemingly …

Some jurisdictions have dealt with this problem by outright banning single-use plastics. In the United States, San Francisco was the first city to ban plastic bags, and many cities and a few …

Oct 1, 2025 · Plastic pollution was first noticed in the ocean by scientists carrying out plankton studies in the late 1960s and early 1970s, and oceans and beaches still receive most of the …

Traditional plastics are not biodegradable (see biodegradability); recycling of plastics, especially thermoplastics, has become an important industry, and the development of low-cost …

Oct 1, 2025 · Chewing gum One of the main ingredients of modern chewing gum is insoluble plastic, which provides elastic properties.

Sep 11, 2025 · Plastic - Foaming, Manufacturing, Properties: Foams, also called expanded plastics, possess inherent features that make them suitable for certain applications. For …

A plastic is a kind of material that is made by people and can be formed into almost any shape. Most plastics are strong, long-lasting, and lightweight. They resist damage by…

Oct 24, 2025 · Microplastics, small pieces of plastic, less than 5 mm (0.2 inch) in length, that occur in the environment as a consequence of plastic pollution. Microplastics are present in a …