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US 11,299,624 B2Granted
Thermoplastic polyurethane film and preparation method thereof
AssigneeLG Chem, Ltd.
InventorsSang Yool Lee, Joo Hee Hong, Se Jung Park, Sang Hwan Kim, Jang Soon Kim
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Abstract
A thermoplastic polyurethane film including a cured product of a polyurethane resin composition is provided. The polyurethane resin composition includes a polyurethane resin, a first isocyanate-based curing agent, and an organic solvent. The thermoplastic polyurethane film has a tensile strength break of 50 MPa to 80 MPa. A method for preparing the thermoplastic polyurethane film is also provided.
Claims13
A thermoplastic polyurethane film comprising:
- a cured product of a polyurethane resin composition, wherein the polyurethane resin compositon comprises
- a polyurethane resin,
- a first isocyanate-based curing agent, and
- an organic solvent,
- wherein the thermoplastic polyurethane film has a tensile strength at break of 50 MPa to 80 MPa,
- wherein a content of the first isocyanate-based curing agent is 7.5 parts by weight to 15 parts by weight based on 100 parts by weight of the polyurethane resin.
3 more elements
Dependencies are inferred from the claim text.