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Polyurea resin shell and manufacturing method thereof

A technology of polyurea resin and its manufacturing method, which is applied in the field of polyurea resin casing and its manufacture, and can solve the problems of low surface hardness and strength, power failure, and affecting the service life of mobile phones, etc.

Inactive Publication Date: 2021-04-27
深圳市宏通新材料有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

However, most of the mobile phone casings currently on the market are made of engineering plastics, metal, glass and other materials. Because of their low surface hardness and strength, and the fragile electronic components inside the mobile phone, it is easy to break the screen and break the mobile phone after falling. Electricity and other problems will cause inconvenience to users and may seriously affect the service life of mobile phones

Method used

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  • Polyurea resin shell and manufacturing method thereof

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Embodiment Construction

[0027] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.

[0028] The invention provides a polyurea resin shell, which can be used as the back shell of a mobile phone in particular. The material of the polyurea resin shell includes ceramic powder, isocyanate, and aminoether polymer.

[0029] Specifically, the particle size of the ceramic powder is equal to or smaller than 100 nanometers. The Engler viscosity of the isocyanate at normal temperature is 200-300, and the Rockwell hardness (HRB) is greater than 80. The amino ether polymer adopts bis(2-dimethylaminoethyl) ether.

[0030] Specifically, in the polyurea resin shell, the amount of ceramic powder is 10-20 parts by weight, the amount of isocyanate is 40-45 parts by weight, and the amount of aminoether polymer is 40-45 parts by weight.

[0031] ...

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Abstract

The invention provides a polyurea resin shell and a manufacturing method thereof. Materials of the polyurea resin shell comprise ceramic powder, isocyanate and an amino ether polymer, so that the polyurea resin shell can be used as a protective shell of a product, particularly can be used as a rear shell of a mobile phone, has enough strength and hardness, can protect the mobile phone, avoid damage to internal components and prolongs the service life of the mobile phone, and is low in price and good in use hand feeling. According to the manufacturing method of the polyurea resin shell, the ceramic powder, the isocyanate and the amino ether polymer are adopted as raw materials to manufacture a shell material, then the shell material is cured, ground and polished to obtain the polyurea resin shell, and after grinding and polishing, the polyurea resin shell can be smooth in surface and good in using hand feeling and cannot scratch a product. The manufacturing process is simple, and the cost is low. The shell material obtained in the manufacturing process is good in consistency, so that the prepared polyurea resin shell is compact in structure and excellent in performance.

Description

technical field [0001] The invention relates to a product shell, in particular to a polyurea resin shell and a manufacturing method thereof. Background technique [0002] With the improvement of the performance of mobile electronic products such as smartphones and tablets and the rapid development of the mobile Internet, terminal devices such as mobile phones and tablets have become an inseparable part of many people's lives. In addition to basic communication and social interaction, we can also use mobile phones and tablets to book airline tickets, shop, browse news, play games and so on. [0003] Electronic products such as mobile phones and tablets are mainly composed of internal electronic components, LCD screens, batteries and casings. Since the electronic components used inside are relatively fragile, once they fall, they are easily damaged, so the casing needs to support them The role of protection. Among them, the shell of the mobile phone is not only the most dire...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/32C08K3/36C08K3/22
CPCC08G18/3228C08K3/36C08K3/22C08K2201/011C08K2003/2227
Inventor 邓湘凌
Owner 深圳市宏通新材料有限公司
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