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Method and application of stab-resistant composite sheet prepared by hot pressing by mixing waste fiber cut sections and inorganic particles

A technology of waste fibers and inorganic particles, which is applied in cutting, individual anti-stab cutting, light weight, resin composite sheet for cutting clothing and its preparation, bullet-proof clothing materials, high-efficiency stab-proof, flexible fields, can solve bulky, low-cost Efficacy, stiffness, and single damping issues

Active Publication Date: 2021-08-20
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to overcome the defects of the existing anti-stab materials such as uniform structure, bulkiness, rigidity and low efficiency of single damping, and to provide a kind of anti-stab composite material prepared by hot pressing by mixing waste fiber cut sections and inorganic particles. slice method

Method used

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  • Method and application of stab-resistant composite sheet prepared by hot pressing by mixing waste fiber cut sections and inorganic particles
  • Method and application of stab-resistant composite sheet prepared by hot pressing by mixing waste fiber cut sections and inorganic particles
  • Method and application of stab-resistant composite sheet prepared by hot pressing by mixing waste fiber cut sections and inorganic particles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Boron carbide particles with an average particle size of 200 μm and polyamide fibers are hot-rolled and cast, and the volume fraction ratio of inorganic particles / polymers is 58:42, and a stab-resistant composite sheet is attached to the multi-layer fabric to form a multi-layer fabric. The overall square meter weight is 5.26kg / m 2 , see Table 1 for details. The puncture probability of this composite fabric is zero. If converted into the current 6.66kg / m 2 The fabric has a puncture-resistant energy of 29.4J, which is equivalent to the current conventional square meter weight (6.66kg / m 2 ), it can reduce weight by about 21.0%. It adopts a homogeneous high-density stacked structure, which belongs to a homogeneous structure. It is a stab-proof mechanism that emphasizes both the collision barrier passivation mechanism and the reverse cutting roughening mechanism, which shows that its stab-proof performance has been improved. , and can be lightweight and softened.

Embodiment 2

[0045] Artificial diamond particles with an average particle size of 30 μm and polyimide fibers are mixed and hot-rolled, and the volume fraction ratio of inorganic particles to high polymers is 25:75. The anti-stab composite sheet is attached to the multi-layer fabric, and the resulting product is multi-layered. The overall square meter weight of the layer fabric is 5.14kg / m 2 , see Table 1 for details. The puncture probability of this composite fabric is zero. If converted into the current 6.66kg / m 2 The fabric has a puncture-resistant energy of 30.5J, which is equivalent to the current conventional square meter weight (6.66kg / m 2 ), it can reduce weight by about 22.8%. It adopts a gradient distribution stacking structure, which belongs to the gradient distribution of upper sparse and lower dense. It is the main mechanism of passivation of the collision barrier during penetration. softening and softening.

Embodiment 3

[0047] Artificial diamond particles with an average particle size of 30 μm and polyimide fibers are mixed and hot-rolled, and the volume fraction ratio of inorganic particles to high polymers is 25:75. The anti-stab composite sheet is attached to the multi-layer fabric, and the resulting product is multi-layered. The overall square meter weight of the layer fabric is 5.14kg / m 2 , see Table 1 for details. The puncture probability of this composite fabric is zero. If converted into the current 6.66kg / m 2 The fabric has a puncture-resistant energy of 30.5J, which is equivalent to the current conventional square meter weight (6.66kg / m 2 ), it can reduce weight by about 22.8%. It adopts a gradient distribution stacking structure, which belongs to the gradient distribution of upper sparse and lower dense. It is the main mechanism of passivation of the collision barrier during penetration. softening and softening.

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Abstract

The invention relates to a method and application of preparing a stab-proof composite sheet by hot-pressing mixed layers of waste fiber cut sections and inorganic particles. The anti-stab composite sheet is made by slicing, opening and crushing the waste textiles first, then cutting them into 1-10mm long fiber segments, and then mixing them with inorganic particles or laying a layer of fiber segments and then laying layers of inorganic particles, and then mixing them The sheets or laminated sheets are hot-melted and die-cast to make thermoplastic stab-resistant composite sheets with uniform density and gradient density. The anti-stab composite sheet is based on the anti-stab and anti-cut mechanism of the collision barrier, and the anti-stab and anti-cut mechanism of reverse cutting and piercing sharp objects, and the use surface is a high-density flat rigid surface, and the barrier is passivated; Impact and deformation have a strong energy consumption effect, and can be used as base materials for anti-terrorism and anti-riot, fire protection, anti-explosion, earthquake search and rescue, and personal protective clothing helmets and armors for national defense and military.

Description

technical field [0001] The invention relates to individual anti-stab and anti-ballistic clothing materials, belonging to the field of functional technical textiles, in particular to a flexible, light-weight, high-efficiency resin composite sheet for anti-stab, cut and chop clothing and its preparation technology. Background technique [0002] Specialized protective equipment is required for anti-terrorism, anti-riot, firefighting, mutation accidents and other rescue and escape in peacetime, as well as in war or armed operations. The basic requirements of these equipment are: high-efficiency protective function and the requirement of light weight and softness without barriers to movement; and the latter is becoming more and more important and becoming more and more lightweight and soft. The control of guns in our country is relatively strict. Although there are controls on knives, they are easier to obtain and carry with you. Therefore, clothing in anti-terrorism and riot co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F41H1/02B29C43/02B29C43/00B29C43/14B32B5/02B32B9/00B32B9/04B32B27/12B32B27/28B32B27/32B32B37/00
CPCB29C43/006B29C43/02B29C43/146B29C2043/147B29L2007/002B32B5/02B32B9/00B32B9/04B32B27/12B32B27/281B32B27/32B32B37/00F41H1/02
Inventor 刘洪玲于伟东陈立富刘晓艳
Owner DONGHUA UNIV