Journal of Textile Research ›› 2022, Vol. 43 ›› Issue (06): 115-120.doi: 10.13475/j.fzxb.20210305206

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Migration and distribution of organic silicon and its blends on polyamide/polyurethane fabrics

QUAN Heng1,2, REN Jingzhi1,2, CHEN Wenlong3, YUAN Hui4, XIE Nanping5, WU Ruozi6, NI Lijie1,2()   

  1. 1. Wuhan Engineering Research Center of Eco-Dyeing & Finishing and Functional Textile, Wuhan, Hubei 430200, China
    2. Hubei Key Laboratory of Biomass Fiber and Eco-Dyeing & Finishing, Wuhan, Hubei 430200, China
    3. Zhongshan Tianxin Auxiliary Industry Co., Ltd., Zhongshan, Guangong 528400, China
    4. Guangdong Esquel Textile Co., Ltd., Foshan, Guangdong 528000,China
    5. Guangdong Derun Textile Co., Ltd., Foshan, Guangdong 528000, China
    6. Jiangmen Polytechnic, Jiangmen, Guangdong 529100, China
  • Received:2021-03-15 Revised:2022-03-25 Online:2022-06-15 Published:2022-07-15
  • Contact: NI Lijie E-mail:vistanlj@wtu.edu.cn

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Abstract:

The change of relative proportion of element C, N, O, and Si on the surface of polyamide/polyurethane fiber treated by different polysiloxane softener were studied, in order to explore the macromolecule distribution of polyether segmented polysiloxane softener and its modification on the surface of polyamide/polyurethane fabrics. Furthermore, the style effects of treated fabric were forecasted. The results show that the distribution of polyether segmented polysiloxane and its modification on the fiber is not uniform, a significant "vertical hierarchy" can be observed. It's clear that the inter-molecular entanglement of the softener ensures a better compatibility between polyether segmented polysiloxane and modifier. The blending modification effect is explicited, which has significant correlation with thermal treatment process. Rapid forced cooling for the treated fabric is conducive to the forced intersolubility between segmented polysiloxane and modifier molecules.

Key words: segmented polysiloxane softener, softener, physical modification, polyamide/polyurethane fabric, style effect

CLC Number: 

  • TS194.2

Fig.1

Structure graph of G10"

Tab.1

Element distribution of block silicone oil on surface of polyamide/polyurethane fiber"

元素 占比/%
理论值 实测值
C 35.29 47.02
N 2.42 14.99
O 23.53 28.52
Si 38.75 9.47

Fig.2

EDS of block polysiloxane on polyamide/polyurethane surface"

Tab.2

Element distribution of multi-arm silane urea on surface of polyamide/polyurethane fabric"

元素 占比/%
理论值 实测值
C 44.52 56.57
N 0.67 23.19
O 29.29 19.22
Si 25.52 1.01

Fig.3

FT-IR spectrum of G10"

Fig.4

EDS of multi-arm silane urea on polyamide/polyurethane fabric surface"

Tab.3

Element distribution of compound block silicone oil on surface of polyamide/polyurethane fabric"

元素 占比/%
理论值 实测值 实测平均值
C 39.90 54.20 51.8
N 1.55 15.92 19.09
O 26.41 22.84 23.87
Si 32.14 7.05 5.24

Fig.5

EDS of compound block silicone oil on surface of polyamide/polyurethane fabric"

Tab.4

Element distribution of composite block silicone oil on polyamide/polyurethane fiber surface during rapid/slow cooling"

元素 实测占比/%
急冷降温 缓冷降温
C 46.81 52.55
N 21.89 25.25
O 27.76 21.21
Si 3.54 0.99

Fig.6

EDS of composite of compound block silicone oil on surface of polyamide/polyurethane fabric under quick colling rate"

Fig.7

EDS of composite of compound block silicone oil on surface of polyamide/polyurethane fabric under slow colling rate"

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