Invention Grant
- Patent Title: Resin for thermoplastic polyurethane yarn comprising silica nanopowder and method for producing thermoplastic polyurethane yarn using the same
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Application No.: US15407395Application Date: 2017-01-17
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Publication No.: US09914819B2Publication Date: 2018-03-13
- Inventor: Heedae Park
- Applicant: Heedae Park
- Agency: Park & Associates IP Law, P.C.
- Priority: KR10-2016-138458 20161024
- Main IPC: C08J3/20
- IPC: C08J3/20 ; C08K3/36 ; C08J3/22 ; B29C47/00 ; B29K75/00 ; B29K105/16 ; B29K509/08
Abstract:
The present invention relates to a resin for a thermoplastic polyurethane yarn, comprising: thermoplastic polyurethane; and silica nanopowder. The present invention also relates to a method for producing a thermoplastic polymer yarn having a thickness of 50 denier or less by use of silica nanopowder having a particle size of 5-30 nm as a thickener. The thermoplastic polyurethane resin according to the present invention has desired processability and physical properties.
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