Plastics are a type of polymer characterized by the fact that they can be molded with heat. Thermoset polymers are extremely rigid and once molded and hardened cannot be remelted. Thermoplastic materials are softer, more flexible and may be remelted....

Polymeric materials. When discarded, these constitute a significant part of the solid waste stream and are suitable for recycling. Plastics are labeled for recycling. 1 PET–Polyethylene terephthalate 2 HDPE – High density polyethylene 3 V...

Plastic (from the Greek plassein, meaning to mold or shape a soft substance) was originally invented as a substitute for natural resources; by the end of the twentieth century, however, it had become a material in its own right, no longer simulating...

Plastics are a subspecies of a class of materials known as polymers. These are composed of large molecules, formed by joining many, often thousands, of smaller molecules (monomers) together. Other kinds of polymers are fibers, films, elastomers...

Plastic is the general term for a wide range of synthetic or semisynthetic polymerization products.They are composed of organic condensation or addition polymers and may contain other substances to improve performance or economics. There are many...

Look around you. Plastics are everywhere! Milk jugs, soft-drink bottles, toothbrushes, and lunch boxes are all made of plastic. Many kinds of bags, clothes, furniture, appliances, and even cars have plastic in them! Why are so many things made of plastic? Plastic...

PRODUCT LINES REVIEWED ADVANCE COATINGS CO. Offers N-butyl benzenesulfamide for nylon resins. AKZO NOBEL INC. Phosflex nonhalogenated phosphate ester flame-retardant plasticizers include isopropylated triaryl phosphates, alkyl diphenyl phosphates, t-butyl triaryl phosphates, natural triaryl phosphates, and specialty products. ALBRIGHT...

Some of the ways places across the world are striving to lower the use of plastic bags by shoppers in a bid to stem waste:___CANADA FIRSTIn Leaf Rapids, Manitoba — the first municipality in all of North America to propose, pass and adopt a law...

Strap on your PVC boots, hike up your nylon stockings. It's time to celebrate the 100th birthday of the world's first entirely synthetic material, one that revolutionized manufacturing, transportation, fashion and more.Plastic.An exhibition opening Wednesday at London's Science Museum looks to a future that includes...

At the 1862 Great International Expo in London, Alexander Parkes unveiled the first synthetic plastic, which the public christened "Parkesine." Parkesine was derived from cellulose, a natural chemical found in the cell walls of plants. The main selling point of Parkesine was that it has the same basic properties of rubber, but could be made at a lower cost.