WebJul 27, 1998 · Co-polymers can be formed using two or more different monomers. And two or more polymers can be combined to produce an alloy, or blend, that displays characteristics of each component. WebJul 20, 1998 · polymer, any of a class of natural or synthetic substances composed of very large molecules, called macromolecules, that are multiples of simpler chemical units called monomers. Polymers make up many of the materials in living organisms, including, for … Synthetic polymers are produced in different types of reactions. Many simple … The resin polyvinyl chloride, for example, is a linear polymer containing from 900 to … inorganic polymer, any of a class of large molecules that lack carbon and are … phosphoric acid, also called orthophosphoric acid, (H3PO4), the most … polysaccharide, also called glycan, the form in which most natural carbohydrates … lignin, complex oxygen-containing organic polymer that, with cellulose, forms the … isoprene, also called 2-methyl-1,3-butadiene, a colourless, volatile liquid … Karl Ziegler, (born Nov. 26, 1898, Helsa, near Kassel, Ger.—died Aug. 12, 1973, …
Copolymers and polymer blends - Britannica
WebMaterials include glass and clay ceramics, polymers, metals and composite materials. They have different physical properties, which make them suitable for different uses. WebTrade names include, Acvitron and Lifolit. 4. Poly(ethylene terephthalate) Poly(ethylene terephthalate) (PET) or polyester has a good combination of mechanical and thermal properties, chemical resistance and dimensional stability. It is used for liquid containers, especially carbonated soft drinks, food containers and, in fibre form, for clothing. images of ray simonini
Is alloy a polymer (yes or no)? - Quora
WebNov 25, 2024 · A polymer is a macromolecular material having a large number of repeating units linked to each other via covalent chemical bonds while metals are either pure elements or alloys. Therefore, they have … WebThe glass transition temperature (Tg) is a phenomenon of amorphous polymers. At this temperature, polymers undergo a transition from glassy to rubbery state. Tg is an important feature of polymer behavior. It marks a region of dramatic changes in the physical and mechanical properties. Below Tg: Due to lack of mobility, the polymers are hard ... WebPolymer Common name Uses; Ethene: Poly(ethene) Polythene: Carrier bags, food packaging: Chloroethene: Poly(chloroethene) PVC (from its old name, polyvinylchloride) … list of best british films