纺织学报 ›› 2019, Vol. 40 ›› Issue (09): 114-121.doi: 10.13475/j.fzxb.20180900108

• 染整与化学品 • 上一篇    下一篇

聚乙烯-聚丙烯非织造布亲水油剂的性能及其调控

柳健1, 毛金露1, 彭丽1, 蔡凌云1, 郑旭明1(), 张富山2   

  1. 1.浙江理工大学 理学院, 浙江 杭州 310018
    2.福建恒安集团有限公司, 福建 泉州 362261
  • 收稿日期:2018-09-03 修回日期:2019-03-21 出版日期:2019-09-15 发布日期:2019-09-23
  • 通讯作者: 郑旭明
  • 作者简介:柳健(1992—),男,硕士生。主要研究方向为聚乙烯-聚丙烯纤维亲水油剂研发。

Performance and regulation of hydrophilic oil agent for polyethylene-polypropylene nonwoven fabrics

LIU Jian1, MAO Jinlu1, PENG Li1, CAI Lingyun1, ZHENG Xuming1(), ZHANG Fushan2   

  1. 1. College of Science, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
    2. Fujian Hengan Group Co., Ltd., Quanzhou, Fujian 362261, China
  • Received:2018-09-03 Revised:2019-03-21 Online:2019-09-15 Published:2019-09-23
  • Contact: ZHENG Xuming

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摘要：

针对亲水油剂研发过程中表面活性剂配伍与聚乙烯-聚丙烯(ES)非织造布亲水性关系的问题,借助稳态荧光猝灭法、视频接触角测定仪、液体穿透时间测定仪等,考察了油剂或表面活性剂的溶液表面张力、胶束聚集数、聚集体粒径分布、聚乙烯(PE)界面动态接触角等性能指标,探讨了表面活性剂结构和协同配伍与ES非织造布多次透水时间的关系,测试了亲水油剂的综合性能。结果表明:亲水油剂的高表面活性、较小的亲水疏水平衡值(HLB值)、较大的胶束聚集数以及有效成分与ES纤维间的强吸附力等均有利于提高ES非织造布亲水性;改性后ES非织造布3次透水时间均小于3 s,反湿量小于0.13 g,表面比电阻小于3.0×108 Ω·cm,已达到卫生用品覆面材料的要求。

关键词: 聚乙烯-聚丙烯非织造布, 亲水油剂, 表面张力, 动态接触角, 表面活性剂

Abstract:

In view of the relationship between the compatibility of surfactants and the hydrophilicity of polyethylene-polypropylene (ES) nonwoven fabrics in the development of hydrophilic oil agents, the experimental methods such as steady-state fluorescence quenching method, video contact angle measuring instrument and liquid penetration time measuring instrument were adopted to detect surface tension of the oil or surfactant solution, the number of micelles, the particle size distribution of the aggregates, the dynamic contact angle of the polyethylene (PE) interface. The surfactant structure and synergistic compatibility with the multiple permeable time of the ES nonwoven fabric were discussed, and the comprehensive properties of hydrophilic oil agents were measured. The results show that the high surface activity of the hydrophilic oil agent, the appropriate HLB value, and the large number of micelle aggregation are beneficial to improve the hydrophilicity of the ES nonwoven fabric. The permeable time of 3 times is shorter than 3 s, the moisture resistance is less than 0.13 g, and the surface specific resistance is less than 3.0×108 Ω·cm after ES nonwoven fabric is modified by oil agent, which satisfy the requirements of the covering materials used for sanitary products.

Key words: polyethylene-polypropylene nonwoven fabric, hydrophilic oil agent, surface tension, dynamic contact angle, surfactant

中图分类号: 

  • TS195.6

表1

单一表面活性剂25 ℃时的CMC值和γCMC"

表面活性剂 CMC/(mmol·L-1) γCMC/(mN·m-1)
快T 11.50 26.8
AES 13.00 35.7
23E2S 12.50 33.7
SLES 13.30 32.8
MES-30 8.50 32.1
SDS 19.70 34.7
MDS 18.90 31.2
13C-5EO-PK 0.25 27.6
12C-9EO-PK 0.42 30.1
E1305 0.10 27.0
E1005 0.18 26.6
AEO-9 0.05 31.3
Tween-60 0.03 42.5
三硅氧烷 0.12 19.6
DTAB 3.25 33.7
TTAB 1.55 31.4
CTAB 0.53 30.5

图1

质量浓度为5 g/L时不同类型表面活性剂在PE膜上接触角随时间的变化"

表2

单一表面活性剂整理后ES非织造布的多次亲水透水时间"

表面活性剂 上油
率/%		 透水时间/s
t1 t2 t3 t4 t5
快T 0.40 0.79 1.46 4.72 4.66 5.71
23E2S 0.40 0.77 1.63 6.99 6.95 5.46
AES 0.38 0.96 1.91 6.42 6.93 6.47
MES-30 0.38 1.00 6.97 6.61 7.02 7.40
SLES 0.38 1.81 3.85 6.74 6.35 6.87
MDS 0.38 2.77 2.02 7.72 6.68 7.13
SDS 0.37 7.70 4.76 7.99 10.35 10.45
12C-9EO-PK 0.36 2.78 4.24 4.90 4.56 6.28
13C-5EO-PK 0.34 1.12 3.42 4.50 3.63 3.92
DTAB 0.38 1.21 6.3 5.78 6.19 5.17
TTAB 0.32 1.10 3.35 3.7 3.61 3.35
CTAB 0.36 1.04 3.44 2.78 3.33 3.66
三硅氧烷 0.40 1.77 3.63 6.99 6.95 5.46

表3

双组分表面活性剂改性后ES非织造布的多次亲水透水时间"

表面活性剂 上油
率/%		 透水时间/s
t1 t2 t3 t4 t5
CTAB与快T 0.40 0.79 1.86 2.42 2.66 2.71
CTAB与23E2S 0.40 0.77 1.93 2.39 2.46 2.56
CTAB与SLES 0.38 0.81 1.85 2.74 2.35 2.87
CTAB与MDS 0.38 2.26 2.51 2.34 3.31 3.20
CTAB与SDS 0.37 0.9 1.82 2.02 1.89 1.99
CTAB与AES 0.38 0.96 1.91 6.42 6.93 6.47
CTAB 0.36 1.04 3.44 2.78 3.33 3.66

表4

油剂改性后ES非织造布的多次透水时间、反湿量和比电阻"

油剂 上油率/% 透水时间/s 反湿量/g 比电阻ρ/
(Ω·cm)		 γCMC /
(mN·m-1)
t1 t2 t3 t4 t5
ZLG-1 0.37 0.75 1.65 2.46 3.23 3.66 0.11 2.91×108 26.5
ZLG-2 0.35 0.74 1.34 2.70 2.06 3.49 0.12 1.17×108 25.3
ZLG-3 0.34 0.69 1.45 1.59 2.43 2.89 0.12 1.58×108 22.7
ZLG-4 0.35 0.93 1.78 1.90 3.82 2.28 0.11 1.98×108 22.3
ZLG-5 0.35 0.81 1.66 1.76 2.00 2.65 0.11 1.99×108 22.1

图2

质量浓度为8 g/L时不同油剂在PE膜上的铺展行为"

图3

油剂ZLG-2在不同水溶液浓度下,芘的荧光强度ln(I0/I)随淬灭剂浓度CQ的变化"

表5

油剂ZLG-2在不同浓度下的胶束聚集数"

浓度/(mmol·L-1) 线性方程 a b R2 Nm
0.11(4 CMC) Nm=6.0C-0.1 6.0 -0.1 0.98 0.5
0.27(8 CMC) Nm=12.0C-0.2 12.0 -0.2 0.99 2.9
0.41(10 CMC) Nm=14.7C-0.1 14.7 -0.1 0.97 5.6
0.55(15 CMC) Nm=16.6C-0.1 16.6 -0.1 0.99 8.7
0.68(20 CMC) Nm=20.0C-0.2 20.0 -0.2 0.99 13.1

表6

胶束聚集数Nm与油剂总浓度C间的线性方程(C=4~15倍CMC)"

油剂 Nm与C线性方程 R2
ZLG-1 Nm=10.8C-1.4 0.966
ZLG-2 Nm=21.6C-2.5 0.969
ZLG-3 Nm=14.6C-1.3 0.890
ZLG-4 Nm=24.2C-18.4 0.989
ZLG-5 Nm=23.6C-10.5 0.990
2 Nm=13.3C-18.0 0.958

图4

质量浓度为8 g/L时不同油剂的粒径分布"

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