What is the Function of Polytetramethylene Ether Glycol

 

What is the function of polytetramethylene ether glycol:

Spandex industry: The main field of polytetramethylene ether glycol is the spandex industry. Spandex is an elastic fiber with excellent properties and is mainly used in the production of underwear, swimwear, sportswear and socks.
Elastomer: Polyurethane synthesized from polytetramethylene ether glycol. It has the advantages of hydrolysis resistance, aging resistance, good elasticity, and wear resistance. It is a raw material for special rubber and can be used to make aviation hoses, elevator tires, and industrial tapes. , sports shoes, medical prostheses, etc.
Other fields: Polytetramethylene ether glycol has the advantages of high strength, good elasticity, and mildew resistance. It can also be used in the production of synthetic leather products, tires, conveyor belts, architectural coatings and floors, and protective materials.

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1.4-Butanediol

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1.4-Butanediol (chemical formula: HOCH2CH2CH2CH2OH) is one of the isomers of butanediol, a terminal dihydroxy substituent of butane, which is a colorless, viscous liquid at room temperature. Industrially, BDO is produced by allowing acetylene to react with two molecules of formaldehyde to form BDO, which is then hydrogenated. BDO can also be obtained by gas-phase hydrogenation of anhydrides.
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Tetrahydrofuran

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Tetrahydrofuran (THF) is a colorless, volatile liquid with the odor of ether or acetone and is miscible with water and most organic solvents. THF is highly flammable and may thermally decompose into carbon monoxide and carbon dioxide.
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BDO

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1.4-Butanediol ( BDO ) is used industrially as a solvent and in the manufacture of certain types of plastics, elastic fibers and polyurethanes. In organic chemistry, 1.4-butanediol is used in the synthesis of gamma-butyrolactone (GBL). In the presence of phosphoric acid and high temperatures, 1.4-Butanediol dehydrates into the important solvent tetrahydrofuran. At about 200°C, in the presence of a soluble ruthenium catalyst, the diol undergoes a dehydrogenation reaction to form butyrolactone. BDO is used to synthesize 1,4-butanediol diglycidyl ether, which is then used as an epoxy resin diluent.
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