FLAME RETARDANT THERMOPLASTIC POLYURETHANE COMPOSITION WITH IMPROVED MECHANICAL PROPERTIES
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United States of America Patent
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Issued Date -
Oct 3, 2024
app pub date -
Jul 27, 2022
filing date -
Aug 3, 2021
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Abstract
A composition includes thermoplastic polyurethane, a flame retardant and a filler. The thermoplastic polyurethane is the reaction product of a diisocyanate, a polyetherpolyol and a chain extender. The polyetherpolyol includes polytetrahydrofuran with a number average molecular weight of the polyetherpolyol between 1.3×103 g/Mot and 1.8×103 g/Mol, and the e-modulus of the composition determined according to DIN EN ISO 527 is between 0.1×103 MPa and 10×103 MPa.
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