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A kind of anti-yellowing antibacterial mobile phone shell sheath and preparation method thereof

A mobile phone case and anti-yellowing technology, which is applied in the field of mobile phone accessories, can solve the problems of aggravating bacterial reproduction and not cleaning the mobile phone, and achieve the effects of weakened stratification and precipitation, easy recycling and high safety

Active Publication Date: 2018-10-30
东莞市杰之洋塑胶实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Not every mobile phone user is aware of such survey results, and many consumers have little awareness of cleaning their mobile phones, which aggravates the growth of bacteria

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0024] Specifically, the preparation method of the anti-yellowing and antibacterial mobile phone shell sheath provided by the invention includes:

[0025] With 100 parts by weight of TPU particles as the basic raw material, add 1 to 5 parts by weight of antibacterial agent, 0.03 to 2 parts by weight of dispersant, 1 to 3 parts by weight of coupling agent, 0.1 to 3 parts by weight of ultraviolet absorber and 0.1 to 1 part by weight of light stabilizer, after mixing, form a melt through an extruder and inject it into a mobile phone shell mold. After the melt is injected, the mold is kept warm for 3 to 5 minutes, and then cooled to room temperature to obtain anti-yellowing Antibacterial mobile phone case sheath;

[0026] The antibacterial agent is a silver-loaded nano zirconium phosphate antibacterial agent, the dispersant is cardanol, and the coupling agent is a titanate coupling agent.

[0027] The above-mentioned preparation method provided by the present invention is simple ...

experiment example 1

[0029] With 100 parts by weight of Shore hardness being the polyester type TPU particles of 65A as basic raw material, add 5 parts by weight of nano zirconium phosphate silver-loaded antibacterial agent, 0.03 parts by weight of cardanol, 1 part by weight of titanate coupling agent (TMC -201), 0.5 parts by weight of UV-531 and 0.3 parts by weight of light stabilizer 944, after mixing, form a melt through an extruder and inject it into a mobile phone shell mold. After the melt injection is completed, the mold is kept warm for 3 to 5 minutes, and then After cooling down to room temperature, the anti-yellowing and antibacterial mobile phone shell sheath is obtained.

experiment example 2

[0031] With 100 parts by weight of Shore hardness being the polyester type TPU particles of 60A as basic raw material, adding 5 parts by weight of nano zirconium phosphate silver-loaded antibacterial agent, 0.1 parts by weight of cardanol, 2 parts by weight of titanate coupling agent ( TMC-101), 1.5 parts by weight of UV-9 and 0.5 parts by weight of light stabilizer 783, after mixing, form a melt through an extruder and inject it into a mobile phone shell mold. After the melt is injected, the mold is kept warm for 3 to 5 minutes. Then cool down to room temperature to obtain an anti-yellowing and antibacterial mobile phone case sheath.

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Abstract

The invention relates to an anti-yellowing and antibacterial mobile phone shell sheath which is prepared from the following components in parts by weight: 100 parts of TPU, 1 to 5 parts of antibacterial agents, 0.03 to 2 parts of dispersing agents, 1 to 3 parts of coupling agents, 0.1 to 3 parts of ultraviolet absorbents and 0.1 to 1 part of a light stabilizing agent, wherein the antibacterial agents are nanometer zirconium phosphate silver-loaded antibacterial agents; the dispersing agents are anacardol; the coupling agents are titanate coupling agents. The invention further relates to a preparation method of the mobile phone shell sheath. The preparation method comprises the following steps: mixing the TPU particles, the antibacterial agents, the dispersing agents, the ultraviolet absorbents and the light stabilizers, forming a melt through an extruder, injecting the melt into a mobile phone shell die, preserving the temperature of the die for 3 to 5 minutes after the melt injection is completed, and then cooling to room temperature. The mobile phone shell sheath disclosed by the invention is wide in antibacterial spectrum, high in bacteriostasis rate and high in yellowing resistance; the bacteria resistance can be kept at a higher level for a long time.

Description

technical field [0001] The invention relates to the technical field of mobile phone accessories, in particular to an anti-yellowing and antibacterial mobile phone shell sheath and a preparation method thereof. Background technique [0002] According to the latest data from the Ministry of Industry and Information Technology, as of the end of December 2015, the number of mobile phone users in my country reached 1.306 billion, and the penetration rate of mobile phone users reached 95.5 units per 100 people. Mobile phones have become an indispensable tool in people's daily life. According to a survey, there are 120,000 bacteria per square centimeter of mobile phones. According to this calculation, there are at least a million bacteria in the entire mobile phone. This figure is enough to put the bacteria on the toilet seat to shame. Due to the special environment and special treatment, mobile phones have become a breeding ground for a large number of bacteria. Not every mobile ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/06C08K13/06C08K9/12C08K3/32C08K5/10C08K5/13
CPCC08K3/32C08K5/10C08K5/13C08K9/12C08K13/06C08K2003/328C08K2201/011C08L2201/08C08L75/06
Inventor 徐艳莲白卫斌陈钦慧陈登龙林金火
Owner 东莞市杰之洋塑胶实业有限公司
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