Matches in SemOpenAlex for { <https://semopenalex.org/work/W1687326388> ?p ?o ?g. }
- W1687326388 abstract "Abstract This article reviews tetrahydrofuran and oxetane polymers and polymerization. The physical and chemical properties of polytetrahydrofurans and polyoxetanes are discussed, as well as the polymerization mechanism, including initiation, propagation, termination, chain transfer, kinetics, and copolymerization to give block, graft, and star copolymers. The most important commercial product is poly(tetramethylene ether) glycol (PTMEG), sold under the trade names Terathane (Du Pont), PolyTHF (BASF), and Polymeg (QO Chemicals). The manufacture of PTMEG is described in some detail, including the most recent industrial processes. Storage and handling of PTMEG, as well as specifications and standards of commercial products, are given. Test methods used in the 1990s are referenced, such as hydroxyl number, polymer molecular weight, and molecular weight distribution. Health and safety factors are discussed, as well as the economic aspects of PTMEG production. Most important uses of PTMEG are in elastomeric polyurethanes and polyesters. The same type of information is given for oxetane polymers, although no oxetane polymer has found any practical application and is thus not available commercially as of 1995." @default.
- W1687326388 created "2016-06-24" @default.
- W1687326388 creator A5012196986 @default.
- W1687326388 creator A5042852211 @default.
- W1687326388 creator A5053692781 @default.
- W1687326388 date "2000-12-04" @default.
- W1687326388 modified "2023-10-14" @default.
- W1687326388 title "Polyethers, Tetrahydrofuran and Oxetane Polymers" @default.
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