Dictionnaire, définitions , section_expression, conjugaison, synonymes, homonymes, difficultés, citations. Polycarbonate : définition , synonymes, citations, traduction dans le dictionnaire de la langue française. Il est commercialisé sous plusieurs noms : Makrolon de Covestro, Lexan de Sabic, Hammerglass, Xantar de . Define polycarbonate : any of various tough transparent thermoplastics characterized by high impact strength and high softening temperature. Matière plastique rigide et très résistante, utilisée pour sa transparence comme verre organique, notamment pour l.
Verre organique de la famille des polyesters, caractérisé par une excellente transparence et une grande résistance aux chocs mais une baisse de ces qualités dans le temps. POLYCARBONATE – alvéolaire – n. Definition of polycarbonate – a synthetic resin in which the polymer units are linked through carbonate groups, including many moulding materials and films. Polycarbonate definition : any of a class of strong transparent thermoplastic resins used in moulding materials,. Meaning , pronunciation, translations and examples.
Technologie optique Pour cette technologie, le support pratique est un cédérom ou un DVD. Que signifie polycarbonate ? Polycarbonate Definition – Polycarbonate is a polyester made by the mixing of phenyl groups, carbonate groups and two methyl groups, and is formed by.
COOCHC(CH)CHO), that are thermoplastic, tough, transparent, and nontoxic and are used in making molded products. Retrouvez la définition du mot polycarbonate dans notre dictionnaire en ligne par la-conjugaion. Looking for online definition of polycarbonate in the Medical Dictionary?
What does polycarbonate mean? Polycarbonate is also an amorphous material, meaning that it does not exhibit the ordered characteristics of crystalline solids. Typically amorphous plastics demonstrate a tendency to gradually soften (i.e. they have a wider range between their glass transition temperature and their melting point) rather than to exhibit a sharp . Quelle est la définition du polyester, du PVC et du polycarbonate ? PVC est constitué de résine de polychlorure de . They are colourless and transparent and can be coloured as required.
PC Magazine Tech Encyclopedia Index – Definitions on common technical and computer related terms. Polycarbonates are impact resistant, har very strong and weather and radiation resistant. High impact resistant, high definition polycarbonate lens.
UV protected in BOTH clear and amber lens. Includes protective case. Indicate amber or clear. See Polybutene Polycarbofil.
Any of a class of thermoplastics characterized by high-impact strength, light weight, and flexibility, and used as shatter-resistant substitutes for glass.
