Global Polytetramethylene Ether Glycol Market Size, Share, And Business Benefits By Application (Spandex, Thermoplastic Urethane Elastomers, Co-polyester Ether Elastomers, Others), By End Use (Textiles, Coatings, Adhesives and Sealants, Artificial Leather, Automotive, Leisure and Sports, Others), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends, and Forecast 2025-2034