An anti-bullet/wave-absorbing structure integrated composite material and a preparing method thereof

A composite material and wave structure technology, used in chemical instruments and methods, protective equipment, other household appliances, etc., can solve the problem of less absorbing materials, and achieve adjustable structural thickness, high elastic resistance, and excellent mechanical properties. Effect

Inactive Publication Date: 2018-10-26
TIANNUO PHOTOELECTRIC MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are very few researches on the integrated composite material absorbing materials of ballistic resistance and wave absorption at home and abroad.

Method used

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  • An anti-bullet/wave-absorbing structure integrated composite material and a preparing method thereof
  • An anti-bullet/wave-absorbing structure integrated composite material and a preparing method thereof

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preparation example Construction

[0039] Such as figure 2 as shown, figure 2 A method for preparing a bullet-resistant / wave-absorbing structurally integrated composite material, comprising the following steps

[0040] In step 101, a certain proportion of resin is evenly coated on the surface of the fiber cloth, and fiber cloth coated with different numbers of resins is laid orthogonally layer by layer to prepare a ballistic layer; the mass ratio of the resin to the fiber cloth = (10~30): (90~70).

[0041] Step 102, uniformly disperse absorbents and resins in different proportions, and evenly coat the surface of high-strength chemical fiber fabrics to prepare electromagnetic wave absorption layers with different concentrations; the mass ratio of absorbents to resins = (20-90): (80~10). The coating method is one or more of dip coating, scraping coating and spray coating.

[0042] Step 103, according to the requirements of electromagnetic wave stealth in different frequency bands and different levels of bal...

Embodiment 1

[0045] (1) Evenly dip-coat epoxy resin with a mass ratio of 10:90 on the surface of PE non-weft cloth, and lay 8 sheets of PE non-weft cloth dipped in epoxy resin orthogonally layer by layer to prepare the ballistic layer;

[0046] (2) Evenly disperse flake ferrite with a particle size of 10 μm and epoxy resin with a mass ratio of 20:80, 30:70, 40:60, 50:50, and 80:20, and evenly scrape and coat the surface of the polyester fiber fabric , preparing electromagnetic wave absorbing layers with concentrations of 20%, 30%, 40%, 50%, and 80% respectively;

[0047] (3) Alternately combine the anti-ballistic layer described in step (1) with the electromagnetic wave absorbing layers of different concentrations described in step (2), the anti-ballistic layer is 6 layers, the electromagnetic wave absorbing layer is 5 layers, and the concentration of the electromagnetic wave absorbing layer is 20% from top to bottom , 30%, 40%, 50%, and 80%, through entering the mold, pressurizing, heatin...

Embodiment 2

[0049] (1) Evenly scrape epoxy resin with a mass ratio of 30:70 on the surface of aramid fiber cloth, and lay the 6 sheets of aramid fiber cloth after scraping epoxy resin in an orthogonal manner layer by layer to prepare a ballistic layer;

[0050] (2) Evenly disperse the spherical carbonyl iron and phenolic resin with a particle size of 10 μm in a mass ratio of 20:80, 30:70, 40:60, 50:50, 60:40, 70:30, and 90:10, and spray evenly on the On the surface of the acrylic fiber fabric, the preparation concentration is respectively 20%, 30%, 40%, 50%, 60%, 70%, and 90% electromagnetic wave absorbing layer;

[0051] (3) Alternately combine the anti-ballistic layer described in step (1) with the electromagnetic wave absorbing layers of different concentrations described in step (2), the anti-ballistic layer is 8 layers, the electromagnetic wave absorbing layer is 7 layers, and the concentration of the electromagnetic wave absorbing layer is 20% from top to bottom , 30%, 40%, 50%, 60%...

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Abstract

The invention provides an anti-bullet / wave-absorbing structure integrated composite material and a preparing method thereof. The anti-bullet / wave-absorbing structure integrated composite material is formed by combining anti-bullet layers with different thickness and electromagnetic wave-absorbing layers with different concentration to form a multilayer composite structure, and is prepared by the integrated composite heat pressure, and the concentration of the electromagnetic wave-absorbing layers is gradually increased from top to bottom. The preparing method includes the following steps: different numbers of sheets of the fiber cloth coated with resin are orthographically laid layer-by-layer, and the anti-bullet layers are prepared; an absorbent in different ratio and the resin are uniformly dispersed, thereby the electromagnetic wave-absorbing layers with different concentration are prepared; the anti-bullet layers are alternatively combined with the electromagnetic wave-absorbing layers with different concentration, and the anti-bullet / wave-absorbing structure integrated composite material are prepared. The anti-bullet / wave-absorbing structure integrated composite material has the advantages of lightweight, high anti-bullet property, wideband electromagnetic wave-absorbing, adjustable structure thickness, excellent mechanical property, and flame retardation, the preparing method is simple in technology, is convenient in operation, and is economic and environmental-friendly.

Description

technical field [0001] The invention relates to the technical field of new materials, in particular to a bullet-resistant / wave-absorbing structure integrated composite material and a preparation method thereof. Background technique [0002] In the modern complex battlefield environment, with the continuous development of reconnaissance methods, anti-reconnaissance measures, strike methods and protection technologies of both the enemy and us, the ability to find targets, identify targets, attack targets, and strike targets on the battlefield has been greatly improved. posed a growing threat to their survival. In order to improve the survivability of the new generation of weapons and equipment in modern warfare, there is an urgent need for the development and application of new composite materials with both anti-ballistic and stealth properties. [0003] Early anti-ballistic materials mainly used ceramic or metal panels. With the development of high-performance fibers, resear...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B5/26B32B37/10B32B37/06B32B37/08
CPCB32B5/26B32B37/06B32B37/08B32B37/10B32B2250/20B32B2255/02B32B2255/26B32B2260/021B32B2260/046B32B2571/02
Inventor 朱焰焰郑杰刘久荣
Owner TIANNUO PHOTOELECTRIC MATERIAL
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