Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (03): 96-101.doi: 10.13475/j.fzxb.20180305106

• Dyeing and Finishing & Chemicalsc • Previous Articles     Next Articles

Influence of dielectric barrier discharge on adherent property of hose reinforcement layer

SUN Lei1, CAI Yingying1, YE Wei1,2, JI Tao1,2, SUN Qilong1,2()   

  1. 1. School of Textiles and Clothing, Nantong University, Nantong, Jiangsu 226019, China
    2. National & Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Protection, Nantong, Jiangsu 226091, China
  • Received:2018-03-22 Revised:2018-08-18 Online:2019-03-15 Published:2019-03-15
  • Contact: SUN Qilong E-mail:sunqilong001@ntu.edu.cn

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Abstract:

In order to improve the adherent property between fire-fighting hose reinforcement layer of high strength polyester tubular fabric and an ethylene propylene diene monomer(EPDM) lining, the tubular fabrics were treated by dielectric barrier discharge(DBD) plasma. The influences of DBD plasma treatment time on the properties of fabrics such as tensile strength, fabric wicking height, surface morphology, surface chemical composition and adherent property were studied. The scanning electron microscopy images show that obvious etching marks appear in the surface of the fiber after plasma treatment. X-ray photonic spectroscopy analysis shows that the oxygen and nitrogen polar functional groups are added to the surface of fibers. The wicking height increases with the increase of treatment time. The breaking strength of the polyester tows decreases with the increase of the treatment time, and when treatment time is 60 s, the strength loss rate is 3.9%. After treatment, the peeling strength between the tubular fabric and EPDM is improved greatly, and when treatment time is 60 s, the peeling strength is increased by 35.1%.

Key words: dielectric barrier discharge, fire-fighting hose reinforcement layer, high strength polyester tubular fabric, adherent property, peel strength

CLC Number: 

  • TS102.6

Fig.1

Schematic diagram of dielectric barrier discharge plasma equipment"

Fig.2

Samples for plasma treatment test, peeling test, wicking test, SEM, XPS and tensile test"

Fig.3

SEM images of polyester fiber surface before and after DBD plasma treatment(×1 000). (a) Untreated fiber; (b) 30 s; (c) 60 s; (d) 90 s; (e) 120 s"

Fig.4

Relationship between fabric wicking height and DBD plasma treatment time"

Fig.5

XPS spectra high strength polyester fiber surface. (a) XPS spectra before and after DBD plasma treatment; (b) N1s spectra before and after DBD plasma treatment; (c) C1s spectra before DBD plasma treatment; (d) C1s spectra after DBD plasma treatment"

Tab.1

Changes of contents of C, O and N on surface of polyester fiber before and after DBD plasma treatment"

样品 元素组成/% O与C
原子比		 N与C
原子比		 O+N与C
原子比
C O N
未处理 86.66 12.76 0.58 0.147 0.007 0.154
处理后 84.61 14.49 0.90 0.171 0.011 0.182

Tab.2

Changes of surface functional group content of polyester fiber before and after DBD plasma treatment"

基团种类 基团含量/%
未处理 处理后
C─C/C═C/C─H 62.10 53.80
─C─O─ 25.70 33.00
C─O─C/C─N 8.80 9.50
O═C─O 3.40 3.70

Fig.6

Breaking strength of high strength polyester warp tows under different DBD plasma treatment time"

Tab.3

Strength loss rate of warp tows under different treatment time"

处理时间/s 强力损失率/%
0 0
30 0.5
60 3.9
90 7.9
120 10.3

Fig.7

Relationship between peeling strength and DBD plasma treatment time"

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