Invention Grant
- Patent Title: Coated yarn and method for manufacturing coated yarn using thermoplastic polyurethane compound
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Application No.: US14314400Application Date: 2014-06-25
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Publication No.: US09856599B2Publication Date: 2018-01-02
- Inventor: Heedae Park
- Applicant: Heedae Park
- Agency: Park & Associates IP Law, P.C.
- Priority: KR10-2011-0146923 20111230; KR10-2012-0114735 20121016
- Main IPC: C09D175/04
- IPC: C09D175/04 ; D06M15/564 ; C08L75/04 ; C09D175/06 ; C09D175/08 ; D06M101/32 ; D06M101/34 ; D06M101/38

Abstract:
The present invention provides a coated yarn and a method for manufacturing a coated yarn having outstanding physical properties, the method comprising: collecting thermoplastic polyurethane in virgin form, or from scraps remaining after usage, for example, those used for airbag patterns in a shoe manufacturing process, or from scraps remaining after other thermoplastic polyurethane is processed; mixing the various kinds of thermoplastic polyurethane with various additives; compounding the resultant mixture using an extruder to prepare a thermoplastic polyurethane compound for a coated yarn; and coating the surface of a yarn made from polyester, nylon, spandex, etc. with the compound using an extruder.
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