Special material for forming halogen-free high-flowability anti-yellowing wire rod and preparation method of material
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A high-fluidity, yellowing-resistant technology, applied in the field of wire molding materials, can solve the problems of easy breakage, breakage, and yellowing of the earphone cable, and achieve the effects of easy injection molding, simple process steps, and high tensile strength.
Inactive Publication Date: 2014-04-02
DONGGUAN JISU PLASTIC TECH
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Problems solved by technology
The earphone cord covers in the prior art generally have disadvantages such as low elasticity, easy yellowing, and low tensile strength. Since the earphone cords often need to be folded or curled during use, after a period of use, the earphone cord covers will be worn out. It is easy to be damaged, broken, yellowed, peeled and other problems, making the conductor exposed, affecting the appearance of the earphone cable, and even affecting the sound quality of the earphone, affecting its normal use
Moreover, the existing earphone wires contain halogens, which will release harmful substances during combustion and heating, threatening human health and the environment.
In addition, the existing material of the outer cover of the earphone cable has poor fluidity, which is not conducive to the production of the earphone cable, and has a certain impact on the production efficiency and product quality.
Method used
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Embodiment 1
[0020] Example 1, a halogen-free high-fluidity anti-yellowing wire molding special material provided in this example, which is composed of the following raw materials in mass percentage: SEBS rubber resin 28%, softening plasticizer 32%, polyolefin elastomer 12%, functional resin 8%, polypropylene resin 18%, antioxidant 0.3%, light stabilizer 0.7%, processing aid 1%.
[0021] The SEBS rubber resin is styrene-ethylene-butadiene-styrene copolymer. In this example, the SEBS rubber resin is selected from Baling Petrochemical SEBS YH-502T (high degree of hydrogenation, desalted product).
[0022] The softening plasticizer is at least one of saturated linear naphthenic oil and white mineral oil. In this embodiment, the softening plasticizer is KDN4006 from Xinjiang Karamay Petrochemical Company. In other embodiments, white mineral oil can be selected as the softening plasticizer.
[0023] The polyolefin elastomer is at least one of ethylene-octene copolymer, ethylene-butene copoly...
Embodiment 2
[0033] Example 2, a halogen-free high-fluidity anti-yellowing wire forming special material and its preparation method provided in this example are basically the same as Example 1, the difference is that it consists of the following raw materials in mass percentage: SEBS rubber Resin 28%, softening plasticizer 28%, polyolefin elastomer 12%, functional resin 8%, polypropylene resin 22%, antioxidant 0.3%, light stabilizer 0.7%, processing aid 1%.
Embodiment 3
[0034] Example 3, a halogen-free high-flowability anti-yellowing wire forming special material and its preparation method provided in this example are basically the same as Example 1, the difference is that it is composed of the following raw materials in mass percentage: SEBS rubber Resin 28%, softening plasticizer 24%, polyolefin elastomer 10%, functional resin 8%, polypropylene resin 28%, antioxidant 0.3%, light stabilizer 0.7%, processing aid 1%.
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Abstract
The invention discloses a special material for forming a halogen-free high-flowability anti-yellowing wire rod. The material is prepared from the following raw materials: SEBS (Styrene-Ethylene-Butylene-Styrene) rubber resin, a softening plasticizer, a polyolefin elastomer, functional resin, polypropylene resin, an antioxidant, a light stabilizer and a processing agent. The invention further discloses a preparation method of the special material for forming the wire rod. The special material for forming the wire rod has the advantages of no halogens, anti-yellowing property, good adhesiveness, high tensile strength, high flowability and easiness in injection molding, processing and forming and the like. As no halogens are available, the condition that harmful substances in the combusting and heating process are released to threat the physical health of human and environment is effectively avoided. The preparation method provided by the invention is concise in technical step and easy to realize, and can quickly prepare the special material product for forming the halogen-free high-flowability anti-yellowing wire rod. The product can be widely applied to other wire rod products such as external membranes of plugs of top grade earphone lines and external membranes of plugs of data lines, and is wide in application range.
Description
technical field [0001] The invention relates to the technical field of wire forming materials, in particular to a halogen-free, high-fluidity, anti-yellowing wire forming special material and a preparation method thereof. Background technique [0002] With the advent of the 3G era and the continuous improvement of people's living standards, people's lifestyles are becoming more and more diversified. Nowadays, when people are traveling or relaxing at home, they often make video calls, watch mobile TV, or listen to music. In order to obtain better sound quality, and in order not to affect others and keep their privacy to a certain extent, people generally choose to use earphones to implement the above activities. In addition, earphones have become an essential part of electronic products with sound such as mobile phones, computers and walkmans. [0003] The earphone generally includes an earphone cable and earplugs or hanging ears arranged at one or both ends of the earphone ...
Claims
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Application Information
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