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US 12,215,191 B2Granted
Polyalkylene ether glycol composition and method for producing the same
AssigneeMitsubishi Chemical Corporation
InventorsRyo Yamashita, Yusuke Izawa, Masaru Utsunomiya
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Abstract
A polyalkylene ether glycol composition containing a nitrogen-containing compound. The nitrogen-containing compound constitutes 0.2 to 40 mass ppm of the polyalkylene ether glycol in terms of nitrogen atoms, and the nitrogen-containing compound has a boiling point in a range of −40° C. to 120° C. at atmospheric pressure. An elastic stretchable fiber, a polyurethane, a synthetic leather, or a thermoplastic elastomer containing the polyalkylene ether glycol composition.
Claims16
A polyalkylene ether glycol composition, comprising:
- a nitrogen-containing compound,
- wherein the nitrogen-containing compound constitutes 0.2 to 40 mass ppm of the polyalkylene ether glycol in terms of nitrogen atoms, and
- wherein the nitrogen-containing compound has a boiling point in a range of −40° C. to 120° C. at atmospheric pressure.
Dependencies are inferred from the claim text.