Polytetramethylene Ether Glycol (PTMEG) Market Size, Share & Trends Analysis Report By Applications (Polyurethane Fibers (Spandex), Thermoplastic Urethane Elastomers, Other Applications), By End-User Industry (Paints and Coatings, Automotive, Textiles, Other End-user Industries) and By Region(North America, Europe, APAC, Middle East and Africa, LATAM) Forecasts, 2025-2033