Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (06): 171-175.doi: 10.13475/j.fzxb.20190201406

• Academic Salon Column for New Insight of Textile Science and Technology: Technology on Textiles for Safety and Protection • Previous Articles     Next Articles

Preparation of flexible puncture-proof polyester/SiC and puncture-proof property

WANG Xinhou1,2(), ZHANG Linmei1,2, SUN Xiaoxia1,2   

  1. 1. College of Textile, Donghua University, Shanghai 201620, China
    2. Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University, Shanghai 201620, China
  • Received:2019-02-14 Revised:2019-03-05 Online:2019-06-15 Published:2019-06-25

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Abstract:

Due to the high price and poor flexibility of the puncture-proof clothing, it is hard to be popularized in neither military nor civilian field. In this study, a new kind of puncture-proof composite materials (FPPCM) with improved flexibility and low cost was fabricated by coating different sizes of silicon carbide (SiC) particles onto the polyester woven fabric. Through single coating method or double coating method, the obtained composite materials were investigated by scanning electron microscope observation and multilayer puncture-proof dynamic puncture performance test. The results show that the best puncture-proof property of the FPPCM was obtained using 180 μm SiC particles. The influence of the coating method was studied as well. The results show that the FPPCM fabricated by single layer-double sides coating method is better in stab-resistant property than that fabricated by double layer-single side coating method. Moreover, the dissipative energy absorption model of the FPPCM with six layers by single layer-double sides coating method was analyzed. It is found that there are two main energy dissipation models for the FPPCM fabricated by single side-double layer coating method.

Key words: silicon carbide particle, polyester, puncture-proof property, composite materials

CLC Number: 

  • TS941.731

Fig.1

Scheme of SiC particle coating method"

Fig.2

Dynamic testing instrument. (a) Electronic power machine; (b) Standard test tool"

Tab.1

Results of dynamic puncture testing"

样品织物 厚度/
mm		 面密度/
(g·m-2)		 穿刺层数
涤纶/SiC(250 μm) 1.273 670 27层未穿透
涤纶/SiC(180 μm) 1.076 670 26层未穿透
涤纶/SiC(150 μm) 0.921 670 27层穿透

Fig.3

Mirco-morphology of first layer with different particle sizes after dynamic puncture (×6)"

Tab.2

Specification for double coated composite materials"

编号 样品织物 厚度/
mm		 面密度/
(g·m-2)		 刺破强
力/N
1# 150 μm SSDC 1.259 970 115.092
2# 150 μm DSSC 2.568 970 104.775
3# 180 μm SSDC 1.596 970 141.619
4# 180 μm DSSC 2.406 970 119.109
5# 250 μm SSDC 1.794 970 125.676
6# 250 μm DSSC 2.509 970 111.519

Fig.4

Result of dynamic puncture strength"

Fig.5

Fracture morphology of first layer of composites with different particle size(×100)"

Fig.6

Fracture morphology of sixth layer for composites with different particle size(×100)"

Fig.7

Incision morphology of SSDC composites. (a) First layer; (b) Third layer; (c) Sixth layer"

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