Web1 Mar 2024 · TERATHANE® PTMEG 2000. Polytetramethylene ether glycol. Used as a building block in variety of elastomers such as polyurethanes, copolyesters and … Web16 Feb 2024 · TERATHANE® PTMEG 1000. Technical Datasheet Supplied by Korea PTG. Polytetramethylene ether glycol. It is a liquid to white, waxy solid that melts to a clear, …
Poly(tetrahydrofuran) average Mn 2,000, Yes BHT 200-350ppm …
Webn = 250, 650, 1000, 1500 and 2000) and 2-[N,N-bis(2-methyl-2-hydroxyethyl)amino]furfuryl as chain extender by the solution prepolymer method. The molar ratio of isocyanate: PTMEG:chain extender varied from 2:1:1 to 4:1:3, which produces a molar concentration of furyl group ranging between 3.65·10–4 and 1.25·10–3 mol/g. WebThe product is commercially available as polymers of low average molecular weights, between 250 and 3000 daltons. In this form it is a white waxy solid that melts between 20 … bloomy cheese dobbs ferry
Terathane: Properties, Uses, Storage and Handling of Dupont …
Web(250 000 cm2/(V·s)) [7, 8], (where, unlike in the case of CNTs, chirality does not impede it’s electrical ... Terathane 1000, Du - Pont, USA) were used as received. 1,3-propanenediol (PDO, Sigma-Aldrich) was distilled before use. Tetrabutyl orthotitaniate (TBT, Fluka) was used as catalyst in transesterification and polycondensation. Web1.1 Name PU-ZAS 1.2 Synonyms. 1,6-Diisocyanatohexane-polytetrahydrofuran copolymer 1,6-Diisocyanatohexane-Terathane 250 copolymer 1,6-Hexamethylene diisocyanate-poly(tetramethylene glycol) copolymer 1,6-Hexamethylene diisocyanate-polybutylene glycol copolymer 1,6-Hexamethylene diisocyanate-polyTHF 2000 copolymer 1,6-Hexamethylene … Web26 Aug 2014 · Before sorption measurements, the samples were dried at 25 °C, in flowing nitrogen (250 mL min −1) until the mass of the samples was in equilibrium at RH < 1 %. After this step, the relative humidity (RH) was gradually increased from 0 to 90 %, in 10 % humidity steps, having a pre-established equilibrium time between 10 and 20 min, and the sorption … free drug discount coupons