Polytetramethylene ether glycol (PTMEG/PTG) is produced by the acid catalyzed polymerization of tetrahydrofuran (THF). It is a straight-chain diol with repeated tetramethylene ether units.
Raw material for spandex, a type of elastic fiber.
Uses elastic fiber to produce elastic stockings.
Uses elastic fiber to produce swimming suits.
Synthesizes polyurethane to make breathable and waterproof jackets.
Synthesizes polyurethane to make synthetic leather.
Synthesizes polyurethane to produce thermoplastic films.
Manufactures the automobile seat covers using elastic fibers.
Synthesizes polyurethane elastomer for production of automotive gear shift knobs.
Molecular weight ranges: 959-1049.
OH value (mgKOH/g): 107-117.
Color (APHA): 50 max.
Acid value max: 0.05 (mg/KOH/g).
Water content max: 0.02(%).
Molecular weight ranges: 1336-1457.
OH value (mgKOH/g): 77-84.
Color (APHA): 50 max.
Acid value max: 0.05 (mg/KOH/g).
Water content: max 0.02(%).
Molecular weight ranges: 1726-1870.
OH value: (mgKOH/g) 60-65.
Color (APHA): 50 max.
Acid value: max 0.05 (mg/KOH/g).
Water content: max 0.02(%).
Molecular weight ranges: 1991-2011.
OH value (mgKOH/g): 53-59.
Color (APHA): 50 max.
Acid value: max 0.05 (mg/KOH/g).
Water content: max 0.02(%).
Molecular weight ranges: 2877-3206.
OH value: (mgKOH/g) 35-39.
Color (APHA): 50 max.
Acid value max: 0.05 (mg/KOH/g).
Water content: max 0.02(%).