Also found in: Dictionary, Thesaurus, Medical.
vinyl plastics,group of thermoplastics used in molded products, flexible tubing, material for raincoats, and laminated safety glass. Vinyl plasticsplastic,
any organic material with the ability to flow into a desired shape when heat and pressure are applied to it and to retain the shape when they are withdrawn. Composition and Types of Plastic
..... Click the link for more information. are polymerspolymer
, chemical compound with high molecular weight consisting of a number of structural units linked together by covalent bonds (see chemical bond). The simple molecules that may become structural units are themselves called monomers; two monomers combine to form a dimer,
..... Click the link for more information. and copolymers of vinyl derivatives (i.e., derivatives of ethylene, H2C=CH2), e.g., vinyl chloride (H2C=CHCl) and vinyl acetate (H2C=CH-OOC-CH3). Polyethylenepolyethylene
, widely used plastic. It is a polymer of ethylene, CH2=CH2, having the formula (-CH2-CH2-)n, and is produced at high pressures and temperatures in the presence of any one of several catalysts, depending
..... Click the link for more information. may be considered the simplest of the vinyl polymers, and polyvinyl chloridepolyvinyl chloride
(PVC), thermoplastic that is a polymer of vinyl chloride. Resins of polyvinyl chloride are hard, but with the addition of plasticizers a flexible, elastic plastic can be made. This plastic has found extensive use as an electrical insulator for wires and cables.
..... Click the link for more information. is an important member of this group. Polytetrafluoroethylene, or Teflon, is also sometimes classed as a vinyl polymer.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/