Preparation and Characteristics of Sheath/Core Complex Structured String for Badminton 


Vol. 52,  No. 5, pp. 309-314, Oct.  2015
10.12772/TSE.2015.52.309


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  Abstract

This paper presents a method of preparing a high-strength sheath/core complex badminton string and examines its playability and durability performance. From repeated experiments at the laboratory scale, it was determined that the tensile characteristics of sheath/core complex strings are better than those of widely used general strings. The key process of braiding, in which the string is prepared by twisting sheath multifilament around the core of a 3-ply monofilament, and the time required for applying a thin layer of coating, have decisive effects on the physical properties. The yarn diameter was found to be optimal when the string was coated three times and the structure of the sheath/core was composed of multifilament 1890d/monofilament 100d. SEM identified an increase in the inner thickness of the sheath/core string with braiding and coating. To conclude, Sample D displayed high tenacity, tensile extension, and tensile strength, which can affect durability, while its tensile modulus was the lowest (54.13 g/tex), which is indicative of good playability.

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pISSN : 1225 - 1089
eISSN : 2288 - 6419

한국연구재단 우수등재학술지 유지 (2022년)