Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (04): 8-15.doi: 10.13475/j.fzxb.20200806808

• Invited Column: Bio-based Polyester and Polyamide Fiber • Previous Articles     Next Articles

One-step foam finishing of flame retardancy and three-proof finishing for bio-based polytrimethylene terephthalate fabrics

LI Yonghe, QU Lingxi, XU Bi, CAI Zaisheng, GE Fengyan()   

  1. Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, Donghua University, Shanghai 201620, China
  • Received:2020-08-17 Revised:2021-01-15 Online:2021-04-15 Published:2021-04-20
  • Contact: GE Fengyan E-mail:dhufyge@163.com

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Abstract:

In order to improve the functionality of bio-based polytrimethylene terephthalate (PTT) fabrics and meet the needs of energy saving and emission reduction for ecological dyeing and finishing, foam finishing technology are used to treat bio-based PTT fabrics for flame-retardancy and three-proof one-step finishing. Using the responsive surface experimental design and optimization method, the effects of the concentration of the flame retardant and the three-proof finishing agent, liquid carrying rate and the baking temperature on the finishing effect were analyzed. The optimal finishing process was as follows: the concentration of flame retardant and three-proof finishing agent are 390 and 43 g/L respectively, the liquid carrying rate is 42%, and baking is performed at 141 ℃ for 1 min. The research results show that the PTT fabrics finished under the optimal technological conditions have excellent flame retardant properties and good three-proof effects. The flame retardant grade reaches the national B1 standard, and the contact angles of the water phase and the oil phase reach 145.6° and 129.2°, respectively. In addition, after 20 washings and 50 rubs, the fabric still maintains good flame retardant and three-proof effects. The experimentally researched foam multifunctional finishing method provides an effective way to improve the green and clean production of bio-based fiber materials.

Key words: bio-based polytrimethylene terephthalate fabric, flame retardant finishing, three-proof finishing, foam finishing, functional textile

CLC Number: 

  • TS156

Fig.1

Process flow chart of bio-based PTT fabric one-step foam finishing of flame retardant and three-proofing finishing"

Fig.2

Effect of flame retardant agent mass concentration on properties of foam performance"

Fig.3

Effect of flame retardant agent mass concentration on finishing effect"

Fig.4

Effect of mass concentration of three-proof finishing agent on foam performance"

Fig.5

Effect of mass concentration of three-proof finishing agent on finishing effect"

Fig.6

Effect of liquid carrying rate on finishing effect"

Fig.7

Effect of baking temperature on finishing effect"

Tab.1

Response surface factor and level table of flame retardant and three-proof one-step foam finishing"

水平 A
阻燃剂质量
浓度/(g·L-1)		 B
三防整理剂质量
浓度/(g·L-1)		 C
带液率/
%		 D
焙烘
温度/℃
-1 350 35 30 135
0 400 40 40 140
1 450 45 50 145

Tab.2

Response surface optimization results of flame retardant and three-proof one-step foam finishing"

实验号 A B C D LOI值/% 水相接触角/(°)
1 450 45 40 140 27.4 135.6
2 350 35 40 140 27.1 134.1
3 450 40 40 145 27.7 136.1
4 400 40 50 145 27.9 138.1
5 350 40 30 140 27.4 135.6
6 350 40 40 135 27.2 139.7
7 400 35 40 135 28.2 134.6
8 400 45 30 140 27.8 137.1
9 350 40 40 145 27.3 138.1
10 450 40 30 140 27.7 137.6
11 450 40 40 135 28.1 136.0
12 400 40 40 140 28.3 140.1
13 400 40 30 135 28.3 140.1
14 400 35 30 140 27.4 135.4
15 400 35 50 140 27.9 132.8
16 400 40 30 145 27.8 137.6
17 400 40 40 140 28.2 139.6
18 400 40 50 135 27.8 137.6
19 450 40 50 140 27.7 131.2
20 400 45 50 140 26.5 136.9
21 400 40 40 140 28.4 140.8
22 450 35 40 140 27.4 130.7
23 350 45 40 140 26.4 135.5
24 400 45 40 145 27.5 137.1
25 400 40 40 140 28.3 140.1
26 400 45 40 135 27.5 139.1
27 400 35 40 145 27.9 135.1
28 350 40 50 140 26.8 138.1
29 400 40 40 140 28.3 140.1

Fig.8

Response results of two of four factors to LOI value of fabric.(a) Factor A and B; (b) Factor A and C; (c) Factor A and D; (d)Factor B and C; (e) Factor B and D; (f) Factor C and D"

Fig.9

Response results of two of four factors to water contact antenna of fabric. (a) Factor A and B; (b) Factor A and C; (c) Factor A and D; (d)Factor B and C; (e) Factor B and D; (f) Factor C and D"

Tab.3

Comparison of finishing effects of two fabrics"

试样 损毁长度/
cm		 LOI值/
%		 水相接触角/
(°)		 油相接触角/
(°)
1# 2# 1# 2# 1# 2# 1# 2#
整理试样 10.5 10.8 28.5 28.4 145.6 142.6 129.2 124.8
水洗20次 11.9 12.1 27.9 27.5 142.7 141.9 125.8 123.6
摩擦50次 11.1 11.7 27.5 27.6 144.5 142.0 128.0 123.4

Tab.4

Comparison of finishing evenness between two fabrics"

织物编号 水相接触角均方差/(°) 油相接触角均方差/(°)
1# 3.58 4.53
2# 4.02 4.62
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