A kind of high elastic composite polymer material and its preparation process

A composite polymer, high-elasticity technology, applied in branch equipment, telephone structure, electrical components, etc., can solve problems such as difficulty in exerting elastic properties, unsolved trade-off relationship between mechanical properties of rubber elastomer colloidal particles, etc., to maintain structural stability. performance, increase toughness and prolong service life

Active Publication Date: 2022-06-21
东莞市新伦塑胶科技有限公司
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Problems solved by technology

It still has strong flexibility and softness at -50°C, and can greatly improve the impact force of rubber products, which is about 2 times higher than the comprehensive performance of traditional rubber products; but the technical solution does not solve the problem of rubber The trade-off relationship between the mechanical properties of elastomer colloids and their external dimensions, it is difficult to exert their due elastic properties under light and thin sizes

Method used

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  • A kind of high elastic composite polymer material and its preparation process
  • A kind of high elastic composite polymer material and its preparation process
  • A kind of high elastic composite polymer material and its preparation process

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Embodiment approach

[0032] As an embodiment of the present invention, the water storage membrane 1 is further provided with a concave annular groove 11 on its end, and the annular groove 11 is distributed on the inner wall of the water storage membrane 1 in a fin shape. The axial direction is parallel to the length direction of the water storage membrane 1; the size of the annular groove 11 gradually increases from the end of the cylindrical water storage membrane 1 to the middle; When the water film 1 is subjected to an impact, the deformation generated by the fin-shaped ring groove 11 will collapse and deform, thereby achieving the effect of absorbing the impact energy, reducing the force of the damage to the protective shell structure, and the aqueous solution filled in the water storage film 1. In the process of falling, it converges to the bottom of the water storage membrane 1 in the direction of gravity, so that the structural strength of the ring groove 11 at the bottom of the water storag...

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Abstract

The invention relates to the technical field of polymer materials, in particular to a high-elastic composite polymer material and a preparation process thereof, comprising 24-32 parts of polyurethane polyol, 16-28 parts of isocyanate, 11-15 parts of foaming agent, and a chain extender 7‑14 parts, 4‑6 parts of foam stabilizer and 2‑3 parts of antioxidant; due to the products made of high elastic materials, the mechanical properties need to be traded off with the external dimensions. On the one hand, it is also necessary to ensure the protective effect on the mobile phone in a dropped state; therefore, the present invention forms vertically overlapping water storage membrane grids by setting them inside the protective shell of the rubber foam material, and fills the water storage membrane with an aqueous solution flow, so that the water storage membrane provides a margin for buffering deformation for the protective shell, thereby reducing the thickness of the protective shell made of rubber foam material, and at the same time adding the ethylene glycol component mixed in the aqueous solution in the water storage membrane to maintain the water storage membrane The structural stability prolongs the service life of the protective case.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a high-elasticity composite polymer material and a preparation process thereof. Background technique [0002] Due to its unique physical and chemical properties, polymer materials are widely used in engineering, making functional materials have many excellent properties, such as high elasticity, wear resistance, shock resistance, temperature resistance and physiological inertness, or structural materials. It has certain special functions; among them, rubber foam material is a polymer material that combines the characteristics of rubber and foam materials. They constitute the viscoelasticity of rubber, so high-quality rubber is characterized by both high elasticity and viscosity. By compounding a variety of polymer materials to achieve its performance requirements. [0003] The mechanical properties of products made of highly elastic materials need to be traded off with...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/04C08J9/04H04M1/18
CPCC08J9/04H04M1/185C08J2375/04
Inventor 许令祥尹兵
Owner 东莞市新伦塑胶科技有限公司
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