tetramethylene glycol
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Poly(tetramethylene ether) glycol — is a polyether polyol. It is also known as PTMEG or polytetrahydrofuran and various tradenames such as Terathane and PolyTHF . One of its CAS Registry Numbers is [25190 06 1] .It is prepared by acid catalyzed polymerization of… … Wikipedia
butanediol — ˈbyü(ˌ)tān(ˌ)dīˌȯl, ˌōl noun ( s) Etymology: butane + diol : any of four isomeric glycols C4H8(OH)2: as a. : a hygroscopic liquid CH3CHOHCH2CH2OH made usually by hydrogenation of aldol and used chiefly as a humectant and plasticizer called also… … Useful english dictionary
Polyol — The name polyols refers to alcohols containing multiple hydroxyl groups. In two technological disciplines polyols have special meaning: food science and polymer chemistry. For information as it pertains to food ingredients, please see the article … Wikipedia
Polyéther — Un polyéther est un polymère dont le squelette macromoléculaire contient des motifs de répétition contenant la fonction chimique éther. Les chaînes macromoléculaires des polyéthers ont généralement comme groupes terminaux des fonctions hydroxyles … Wikipédia en Français
Tetrahydrofuran — THF redirects here. For other uses, see THF (disambiguation). Tetrahydrofuran … Wikipedia
Methylene diphenyl diisocyanate — 4,4 methylene diphenyl diisocyanate … Wikipedia
Polyamide — Un polyamide est un polymère contenant des fonctions amides − C( = O) − NH − résultant d une réaction de polycondensation entre les fonctions acide carboxylique et amine. En 1927, la société américaine DuPont constitue un service de recherches… … Wikipédia en Français
