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Self-repairing bulletproof composite board and manufacturing method thereof

A composite plate and self-repairing material technology, applied in chemical instruments and methods, protective clothing, protective equipment, etc., can solve the problem of bulletproof equipment losing protective performance and achieve good bulletproof performance

Pending Publication Date: 2021-09-28
SHANG HAI YINAI NEW MATERIAL TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, in order to better protect the combatants of our army and solve the problem that the bulletproof equipment loses its protective performance due to the fragmentation of the ceramic insert plate after the first bulletproof in the actual combat process, through a reasonable structural design, the purpose of the present invention is to: Provided is a self-repairing bulletproof composite plate and its manufacturing method

Method used

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  • Self-repairing bulletproof composite board and manufacturing method thereof
  • Self-repairing bulletproof composite board and manufacturing method thereof
  • Self-repairing bulletproof composite board and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] like figure 1 Shown: a self-healing bulletproof composite sheet, its structure is cladding layer + self-healing bulletproof layer + bulletproof back layer + cladding layer (thickness is 2mm+10mm+8mm+2mm);

[0043] The self-healing bulletproof layer includes a shell, and the shell is filled with a self-healing material, and the self-healing material is composed of ceramic balls and shear thickening liquid.

[0044] Wherein, the ceramic balls are composed of alumina and silicon carbide in a mass ratio of 1:1, and the particle size of the ceramic balls is 0.2-20 mm; the shear thickening liquid includes organic solvents and inorganic particles, and the shear thickening liquid The weight fraction of the organic solvent in the thick liquid is 70%, the organic solvent is glycerol, the inorganic particles are silicon dioxide and titanium dioxide (mass ratio is 1:1), and the particle size is 80-120nm.

[0045] The preparation method of described shear thickening liquid is as fo...

Embodiment 2

[0060] A self-healing bullet-proof composite sheet, the structure of which is a cladding layer + a self-healing bullet-proof layer + a bullet-proof back layer + a cladding layer (thickness is 2mm+10mm+8mm+2mm);

[0061] The self-healing bulletproof layer includes a shell, and the shell is filled with a self-healing material, and the self-healing material is composed of ceramic balls and shear thickening liquid.

[0062] Wherein, the ceramic balls are composed of titanium nitride and aluminum nitride in a mass ratio of 1:2, and the particle size of the ceramic balls is 0.2-20 mm; the shear thickening liquid includes organic solvents and inorganic particles, and the shear thickening liquid includes organic solvents and inorganic particles. The weight fraction of the organic solvent in the thickening liquid is 80%, the organic solvent is polyethylene glycol (molecular weight is 1000-1500 g / mol), the inorganic particles are silicon dioxide, and the particle size is 80-120 nm.

[0...

Embodiment 3

[0078] A self-healing bullet-proof composite sheet, the structural form of which is a coating layer + a self-healing bullet-proof layer + a bullet-proof back layer + a coating layer (thickness is 2mm+10mm+10mm+2mm);

[0079] The self-healing bulletproof layer includes a shell, and the shell is filled with a self-healing material, and the self-healing material is composed of ceramic balls and shear thickening liquid.

[0080] Among them, the ceramic balls are composed of boron carbide, silicon nitride, zirconia, and quartz in a mass ratio of 1:1:1:1, and the particle size of the ceramic balls is 0.2-20 mm; the shear thickening liquid includes an organic solvent , inorganic particles and surface treatment agent, the weight fraction of the organic solvent in the shear thickening liquid is 90%, the organic solvent is polypropylene glycol (molecular weight is 1000-1500g / mol), and the inorganic particles are titanium dioxide and Alumina trioxide (mass ratio is 1:2, particle size is ...

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Abstract

The invention discloses a self-repairing bulletproof composite board and a manufacturing method thereof. The self-repairing bulletproof composite board comprises a self-repairing bulletproof layer; the self-repairing bulletproof layer comprises a shell, the shell is filled with a self-repairing material, and the self-repairing material is composed of ceramic balls and shear thickening liquid. When the self-repairing bulletproof layer is impacted by bullets, the shear thickening liquid in the self-repairing bulletproof layer becomes incomparable in toughness instantly, the ceramic balls are fixed, impact force can be quickly dispersed, the high-strength ceramic balls in the self-repairing bulletproof layer are impacted and partially broken, then energy is absorbed, and the bulletproof effect is achieved. In the first bulletproof process, the self-repairing bulletproof layer is impacted, part of the ceramic balls are impacted and extruded to be broken and have defects, however, after the impact is lost, the shear thickening liquid recovers the viscosity, the remaining intact ceramic balls are driven to fill and repair the defects, and self-repairing is achieved.

Description

technical field [0001] The invention relates to the field of bulletproofing, in particular to a self-repairing bulletproof composite plate and a manufacturing method thereof. Background technique [0002] Since the late 1990s, high-strength ceramics have gradually replaced metal materials due to their advantages of high strength and light weight, and have become the preferred material for bulletproof equipment. Its bulletproof mechanism is mainly that high-speed bullets generate high pressure when they encounter the bulletproof insert, which causes the ceramic plate in the bulletproof insert to absorb energy by crushing and breaking. Deformation, passivation, or even rupture occurs to achieve bulletproof effect and achieve more effective protection than metal materials. However, the bulletproof effect achieved by smashing the ceramic plate structure makes the bulletproof insert lose its subsequent protection performance, so it cannot achieve better protection for fighters i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/20
CPCB32B15/18B32B15/20B32B15/00B32B15/043B32B15/08B32B15/092B32B27/20B32B27/38B32B27/00B32B27/08B32B27/12B32B5/02B32B15/14B32B15/085B32B15/088B32B38/0004B32B38/00B32B7/12B32B37/1284F41H5/0421F41H5/0428F41H5/0457B32B2262/101B32B2262/106B32B2262/0253B32B2262/0261B32B2262/0269B32B2307/558B32B2307/56B32B2571/02
Inventor 解廷秀张宇纽瑞祎宋启海王亚南张加加高小林王莉娜王龙生宋维广
Owner SHANG HAI YINAI NEW MATERIAL TECH LTD
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