Thermoplastic polyurethane resin suitable for melt spinning

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United States of America Patent

PATENT NO 11732131
APP PUB NO 20230121054A1
SERIAL NO

17885517

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Abstract

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A thermoplastic polyurethane resin suitable for melt spinning is formed from a reaction mixture via a polymerization reaction. The reaction mixture includes an isocyanate component and a polyol component. The polyol component includes a first polyol that has a first number average molecular weight and a second polyol that has a second number average molecular weight. The first number average molecular weight is between 1,000 g/mol and 1,500 g/mol, and the second number average molecular weight is between 2,500 g/mol and 3,000 g/mol. One resin component formed by the first polyol via the polymerization reaction is defined as a low melting point segment and correspondingly has a first melting point between 170° C. and 185° C. Another resin component formed by the second polyol via the polymerization reaction is defined as a high melting point segment and correspondingly has a second melting point between 195° C. and 210° C.

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Patent Owner(s)

Patent OwnerAddress
NAN YA PLASTICS CORPORATION201 TUNG HWA N RD TAIPEI

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Chen-Wei Taipei, TW 20 21
Hsu, Han-Ching Taipei, TW 26 9
Liao, Te-Chao Taipei, TW 380 152

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