Thermoplastic elastomer raw material for earphone cable and manufacturing method thereof
A thermoplastic elastomer and a manufacturing method technology, which are applied to the thermoplastic elastomer raw material and the application field of the manufacture of high-transparency earphone cables, can solve the problems of insufficient softness, poor weather resistance, etc., and achieve simple technical realization, soft feel, and processing. Economical and convenient effect
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[0023] Example one
[0024] This embodiment discloses a thermoplastic elastomer raw material. The thermoplastic elastomer raw material is used to manufacture a high-transparency earphone cord. The earphone cord using the thermoplastic elastomer raw material has the characteristics of high transparency, soft and smooth feel.
[0025] Its components include: hydrogenated styrene-butadiene block copolymer, softening oil, polypropylene resin, propylene-based elastomer and lubricating aid. It is characterized in that the sum of the weights of the above-mentioned components is used as the base. The group allocation ratio is:
[0026]
[0027]
[0028] The above-mentioned hydrogenated styrene-butadiene block copolymer (styrene-butadienetriblock copolymer, abbreviation: SBS) is a white loose columnar solid, chemical characteristics: the relative molecular weight of SEBS has a great influence on performance, the relative molecular weight is large, and the solution viscosity is large , High b...
Example Embodiment
[0033] Example two
[0034] See figure 1 , figure 1 It is a flow chart of a method for manufacturing a thermoplastic elastomer raw material for earphone cords disclosed in this embodiment. figure 1 A method for manufacturing a thermoplastic elastomer raw material is shown, which is used to produce a thermoplastic elastomer raw material for manufacturing a headphone cord. The headphone cord using the thermoplastic elastomer raw material not only has high transparency, but also has a delicate and soft feel and weather resistance. Sexual characteristics.
[0035] Such as figure 1 As shown, the manufacturing method includes the following steps:
[0036] S1. Stir the hydrogenated styrene-butadiene block copolymer evenly in a high-speed mixing tank, and stir to a warm temperature of 60-70 degrees Celsius, add the softened oil several times according to a certain proportion and stir, and finally add After the demineralized oil is stirred for 10 minutes until fully absorbed;
[0037] S2,...
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