纺织学报 ›› 2021, Vol. 42 ›› Issue (11): 110-116.doi: 10.13475/j.fzxb.20201105607

• 染整与化学品 • 上一篇    下一篇

柔性阻燃聚酰胺湿法涂层织物的制备及其性能

陈智杰1(), 虞一浩2, 符晔2, 雷鹏飞2, 蒋继康3, 戚栋明3   

  1. 1.温州职业技术学院 聚合物材料及机电产品表面改性技术研究重点实验室, 浙江 温州 325035
    2.浙江凯瑞博科技有限公司, 浙江 湖州 313100
    3.浙江理工大学 先进纺织材料与制备技术教育部重点实验室, 浙江 杭州 310018
  • 收稿日期:2020-11-27 修回日期:2021-05-17 出版日期:2021-11-15 发布日期:2021-11-29
  • 作者简介:陈智杰(1989—),男,助理研究员,博士。主要研究方向为复合粒子制备及成膜研究。E-mail: chenzhijie5262@163.com。
  • 基金资助:
    浙江省重点研发计划项目(2021C01077);温州市科技局基础性科研项目(G2020025)

Preparation and properties of flexible flame retardant polyamide coated fabric via wet coating

CHEN Zhijie1(), YU Yihao2, FU Ye2, LEI Pengfei2, JIANG Jikang3, QI Dongming3   

  1. 1. Key Laboratory of Surface Modification of Polymer Materials and Mechanical and Electrical Products, Wenzhou Polytechnic, Wenzhou, Zhejiang 325035, China
    2. Zhejiang King Label Technology Co., Ltd., Huzhou, Zhejiang 313100, China
    3. Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
  • Received:2020-11-27 Revised:2021-05-17 Published:2021-11-15 Online:2021-11-29

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摘要：

为解决不溶性颗粒型阻燃剂造成聚酰胺湿法涂层织物手感偏硬,阻燃效果较差等问题,将可溶性9,10-二氢-9-氧杂-10-磷杂菲-10-氧化物(DOPO)引入聚酰胺6/甲醇-氯化钙浆料体系中,通过涂覆、水交换成膜、烘干等湿法涂层工艺,最终在织物表面构建DOPO均匀分散、光滑平整的多孔轻薄聚酰胺涂层。研究了DOPO和颗粒型阻燃剂对聚酰胺6/甲醇-氯化钙浆料体系流体性质的影响,对比测试了所制涂层织物的阻燃性能和硬挺度。结果表明:DOPO改变了溶液的流变性质,但不会明显提升体系的剪切黏度,有利于涂覆加工;DOPO阻燃聚酰胺6涂层织物的极限氧指数和硬挺度较颗粒型阻燃剂阻燃涂层织物有明显提升。

关键词: 9,10-二氢-9-氧杂-10-磷杂菲-10-氧化物, 聚酰胺涂层, 阻燃纺织品, 湿法涂层, 柔性织物

Abstract:

In order to address the poor performance of polyamide coated fabric's hand feel and flame retardant properties, caused by insoluble particulate flame retardant, the research introduced 9,10-dihydrogen-9-oxygen hybrid-10-phosphorus hexafil-10-oxide (DOPO) into the polyamide/methanol-calcium chloride solution. A porous, light and thin polyamide coating with DOPO uniformly dispersed, and a smooth and flat surface coating on the fabric were created on the fabric via wet coating which including coating, water exchange into film and drying process. The effects of DOPO and particulate flame retardants on the fluid properties of the polyamide/methanol-calcium chloride solution system were investigated and compared. The results show that DOPO changes the rheological properties of the solution, but does not significantly increase the shear viscosity of the system, which is beneficial to coating processing. According to the test of flame retardant properties and stiffness, it was found that DOPO can effectively improve the flame retardant properties of the coated fabric and retain the flexibility of the fabric compared to the flame retardant particles.

Key words: 9,10-dihydrogen-9-oxygen hybrid-10-phosphorus hexafil-10-oxide, polyamide coating, flame retardant textiles, wet coating, flexible fabric

中图分类号: 

  • TQ325

图1

DOPO和MCA质量分数对聚酰胺6/甲醇-氯化钙涂层浆中聚酰胺6平均粒径和体系剪切黏度的影响"

图2

原样和加入DOPO、MCA的聚酰胺6/甲醇-氯化钙涂层浆的剪切速率与剪切黏度"

图3

含有DOPO和MCA的聚酰胺涂层表面扫描电镜照片(×2 000)"

图4

DOPO质量分数对涂层织物损毁长度的影响"

图5

DOPO和MCA质量分数对涂层织物极限氧指数的影响"

表1

聚酰胺基布及DOPO、MCA涂层织物的热重数据"

样品 T-5%/℃ Tmax/℃ 残炭量/%
聚酰胺基布 373 454 1.3
MCA (8.5%)涂层织物 361 411 2.2
DOPO(8.5%)涂层织物 337 406 4.5

图6

DOPO和MCA质量分数对涂层织物硬挺度的影响"

图7

DOPO或MCA存在下的湿法聚酰胺6涂层成膜机制"

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