Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (04): 51-54.doi: 10.13475/j.fzxb.20180605804

• Textile Engineering • Previous Articles     Next Articles

Buffering effect of spacer fabric for multi-layer stab-resistant materials

YANG Wanqiu1, LIU Xiaoyan1,2(), YU Weidong1   

  1. 1. College of Textiles, Donghua University, Shanghai 201620, China
    2. Key Laboratory of Textile Science &Technology, Ministry of Education, Donghua University, Shanghai 201620, China
  • Received:2018-06-19 Revised:2018-12-24 Online:2019-04-15 Published:2019-04-16
  • Contact: LIU Xiaoyan E-mail:xiaoyanliu@dhu.edu.cn

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Abstract:

In order to reduce the weight of stab-resistant clothing and increase the wearing comfort, stab-resistant fabric was manufactured by combining the polyester spacer fabric with the stab-resistant material. The compressing test of polyester spacer fabric and the pricking test of composite fabric were carried out. The effects of fabric thickness, density of spacer yarn and number of fabric layers on stab-resistant properties were discussed. The stab resistant effect of spacer fabric combined with the anti-stab-material and pure stab-resistant material were compared. It is found that the thicker the spacer filament is and the lower thickness of the spacer fabric is, and the better the compression property of the spacer fabric unit thickness is. When the thickness of polyester spacer fabric is 6.7 mm and the density of spacer yarn is 9 744 yarns/(0.01 m2), the buffering property is the best, which is 25.1 J/m. The buffering of unit thickness is better when the polyester spacer fabric is superimposed with two layers, energy absorption reaches 31.9 J/m. The buffering effect of the spacer fabric is better when it is placed at the bottom of the anti-stab material, and the variance of the force near the maximum value is about 50% of the pure material.

Key words: stab-resistant fabric, spacer fabric, coating fabric, buffering effect, antipuncture property

CLC Number: 

  • TS941.731.7

Tab.1

Specification of spacer fabric"

织物编号 厚度/mm 间隔丝密度/(根·(0.01 m2)-1)
1# 8.0 4 844
2# 11.8 5 313
3# 14.2 4 456
4# 6.7 9 744
5# 14.0 8 316

Fig.1

Buffer structure schematic diagram. (a)Spacer fabric in middle; (b) Spacer fabric at bottom"

Fig.2

Schematic diagram of compression tester"

Tab.2

Energy absorption of different spacer fabric"

织物编号 压缩厚度/mm 单位厚度吸收功
平均值/(J·m-1) 方差/(J·m-1)2
1# 6.0 13.2 1.7
2# 8.9 11.4 0.6
3# 9.0 9.7 0.2
4# 4.3 25.1 4.1
5# 9.0 13.5 0.4

Tab.3

Compression properties of multi-layer 4# spacer fabric"

织物
层数		 厚度/
mm		 压缩厚
度/mm		 单位厚度吸收功
平均值/(J·m-1) 方差/(J·m-1)2
1 6.7 4.3 25.1 4.1
2 13.4 8.9 31.9 24.4
3 20.1 9.0 25.7 7.1

Fig.3

Cutting force curves of spacer fabric and anti-burning material"

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