cellulose acetate

cellulose acetate
an acetylated cellulose used in membrane filters for a variety of functions; used as a hemodialyzer membrane, it has a greater permeability and higher ultrafiltration rate than cuprophane.

Medical dictionary. 2011.

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  • Cellulose acetate — Cellulose acetate, first prepared in 1865, is the acetate ester of cellulose. Cellulose acetate is used as a film base in photography, and as a component in some adhesives; it is also used as a synthetic fiber.Acetate fiber and triacetate… …   Wikipedia

  • cellulose acetate — n. any of several nonflammable thermoplastics produced by the action of acetic acid or acetic anhydride upon cellulose in the presence of concentrated sulfuric acid: used in making artificial silks, lacquers, photographic films, etc …   English World dictionary

  • cellulose acetate — any of a group of acetic esters of cellulose, used to make yarns, textiles, nonflammable photographic films, rubber and celluloid substitutes, etc. [1890 95] * * * ▪ textile original name  Acetate Rayon,  also called  Acetate,         man made… …   Universalium

  • Cellulose acetate film — Cellulose acetate film, or safety film, is used in photography as a base material for photographic emulsions. It was introduced in the early 20th century by film manufacturers as a safe film base replacement for unstable and highly flammable… …   Wikipedia

  • Cellulose acetate phthalate — is a commonly used polymer phthalate in the formulation of pharmaceuticals, such as the enteric coating of tablets or capules. It is a cellulose polymer with substituted phthalates at the hydroxyl positions. Its main use in pharmaceutics is with… …   Wikipedia

  • cellulose acetate phthalate — n a derivative of cellulose used as a coating for enteric tablets * * * cellacefate …   Medical dictionary

  • cellulose acetate butyrate — noun : any of several mixed esters that are formed by acylation of cellulose with a mixture of acetic and butyric acids and anhydrides and an acid catalyst, that are thermoplastic like cellulose acetates but have a wider range of solubility and… …   Useful english dictionary

  • cellulose-acetate lacquer — acetilceliuliozės lakas statusas T sritis chemija apibrėžtis Celiuliozės acetatų, ppr. diacetato, tirpalas organinių tirpiklių mišinyje. atitikmenys: angl. acetate lacquer; acetylcellulose lacquer; cellulose acetate lacquer rus. ацетатный лак;… …   Chemijos terminų aiškinamasis žodynas

  • cellulose acetate propionate — noun : any of several mixed esters of cellulose and acetic and propionic acids that are similar to cellulose acetate butyrates in method of manufacture, properties, and uses …   Useful english dictionary

  • cellulose acetate electrophoresis — a method of zone electrophoresis in which the support medium is a sheet of cellulose acetate; used mainly in clinical chemistry to analyze or purify serum proteins …   Medical dictionary

  • cellulose acetate — noun an ester of acetic acid; used in fibers and fabrics; photographic films and varnishes (Freq. 1) • Hypernyms: ↑cellulose ester • Hyponyms: ↑cellulose triacetate, ↑triacetate • Substance Holonyms: ↑a …   Useful english dictionary

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