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Polytetramethylene Ether Glycol (PTMEG)


Polytetramethylene Ether Glycol (PTMEG) Instruction:

Polytetramethylene ether glycol (PTMEG) is a waxy, white solid that melts to a clear, colorless, viscous liquid near room temperature. The main applications of PTMEG are the production of spandex (polyurethane) fibers, polyurethane elastomers, and copolyester-ether elastomers. PTMEG is produced by the catalytic polymerization of tetrahydrofuran (THF).


Polytetramethylene Ether Glycol (PTMEG)

Polytetramethylene Ether Glycol Features:

Polytetramethylene ether glycol (PTMEG) is mainly used to producte polyurethane elastomers, polyurethane elastomers (Spandex) and ester-ether copolymer elastomers. The consumer market for PTMEG is spandex with about 49%, followed by polyurethane elastomers with about 35% and ester-ether copolymer elastomers with about 15%. PTMEG is a very important raw material of polyether polyol for the production of polyurethane elastomer products. In China, PTMEG is mainly used in spandex and polyurethane elastomers. PTMEG is essentially a gap for ester-ether copolymer elastomers.

The raw material for the production of polytetramethylene ether glycol  is tetrahydrofuran, a tetrahydrofuran monomer that undergoes ring-opening polymerization to form a backbone consisting of a carbon chain and an ether chain. PTMEG is ethylene glycol and linear in structure. The hydroxyl groups are located at both ends of the main chain. the main chain of PTMEG is composed of a carbon chain and an ether chain. Because PTMEG does not contain unsaturated bonds and has good flexibility, PTMEG has better aging resistance and best mechanical properties. PTMEG also has good hydrolysis resistance due to the absence of ester bonds.

Product Name Polytetrahydrofuran
English Name Polytetramethylene Ether Glycol
Application PTMEG is one of the most important raw materials for the production of spandex and polyurethane elastomers. PTMEG is used as a soft segment in urethane, providing good hydrolysis resistance, low temperature resistance and dynamic properties of urethane products. It can also be used as the main raw material for elastomer products, resins for synthetic leather, and elastic fibers (spandex).
Specification or Purity average Mn ~1,000
Alias Polytetramethylene ether glycol;PTMEG
English Alias PTMEG;Poly(tetrahydrofuran);α-Hydro-ω-hydroxypoly(oxy-1,4-butanediyl);Poly(1,4-butanediol); polyTHF
Shipping conditions Regular shipping
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