阻燃疏水棉织物的制备及其性能

doi:10.13475/j.fzxb.20210304108

纺织学报 ›› 2022, Vol. 43 ›› Issue (06): 107-114.doi: 10.13475/j.fzxb.20210304108

阻燃疏水棉织物的制备及其性能

李平阳¹^,²^,³^,⁴(), 付灿¹, 董玲玲¹^,²^,³^,⁴

1.上海化工研究院有限公司, 上海 200062
2.聚烯烃催化技术与高性能材料国家重点实验室, 上海 200062
3.上海功能阻燃材料工程技术中心, 上海 200062
4.上海市聚烯烃催化技术重点实验室, 上海 200062

收稿日期:2021-03-11 修回日期:2022-03-20 出版日期:2022-06-15 发布日期:2022-07-15
作者简介:李平阳(1990—),女,工程师。主要研究方向为阻燃剂合成与功能高分子材料改性。E-mail: anna28@126.com。
基金资助:
上海市科学技术委员会科技创新基地项目(19DZ2253700);上海市科学技术委员会“创新行动计划”企业国际科技合作项目(21520730600)

Preparation and performance of flame retardant and hydrophobic cotton fabric

LI Pingyang¹^,²^,³^,⁴(), FU Can¹, DONG Lingling¹^,²^,³^,⁴

1. Shanghai Research Institute of Chemical Industry Co., Ltd., Shanghai 200062, China
2. State Key Laboratory of Polyolefins and Catalysis, Shanghai 200062, China
3. Shanghai Engineering Research Center of Functional Flame Retardant Materials, Shanghai 200062, China
4. Shanghai Key Laboratory of Catalysis Technology for Polyolefins, Shanghai 200062, China

Received:2021-03-11 Revised:2022-03-20 Published:2022-06-15 Online:2022-07-15

摘要/Abstract

摘要：

为解决棉织物易燃助燃、疏水性能差的问题,采用一步浸渍法,由苯基膦酸(PA)和3-氨丙基三乙氧基硅烷(APTES)协同制备阻燃疏水棉织物。对阻燃疏水棉织物的热稳定性、燃烧性、疏水性及耐洗性等进行测试,并研究了其阻燃机制。结果表明:PA和APTES成功整理到棉织物上,织物质量增加率为15.3%;整理后织物的极限氧指数为29.4%,离火自熄,损毁长度为10.4 cm,热稳定性显著提高,可燃性气体释放量大大降低,并形成了石墨化程度较高的炭层;水接触角为139°,可不被多种液体打湿,兼具优异的阻燃和疏水性能。这种方法操作简单,无卤添加,对棉织物的手感和白度影响较小,且具有一定的耐洗性能。

关键词: 棉织物, 阻燃, 疏水, 离火自熄, 阻燃机制

Abstract:

In order to address high flammability and poor hydrophobic performance of cotton fabrics, the coating consisting of phenylphosphonic acid (PA) and (3-aminopropyl)triethoxysilane (APTES) were synthesized through one-pot method, in which functional cotton fabrics embraced with excellent flame retardant and hydrophobic properties, simultaneously. The thermal stability,flammability, hydrophobicity, and washing resistance of the prepared cotton fabrics were tested. Moreover, the flame-retardant mechanism was further investigated. The results showed that APTES and PA were successfully loaded on cotton fabrics. The weight loading was 15.3%. Limiting oxygen index value of functional cotton fabrics reached as high as 29.4%. The obtained fabrics extinguished immediately after removed from the ignitor. The damage length was 10.4 cm. The thermal stability was remarkably improved. Meanwhile, the release of flammable species obviously decreased. Char layer with higher graphitization degree formed during the fire. On the other hand, the water contact angle of functional cotton increased to 139°, which could not be wetted by several different liquid droplets. Based on the above results, the prepared cotton fabric exhibited excellent flame retardancy and good hydrophobicity indeed. This one-pot approach is convenient and eco-friendly.Besides, this finishing process showed few influences on feel and whiteness of cotton. The enhanced washing fastness was also achieved in this work.

Key words: cotton fabrics, flame retardant, hydrophobicity, extinguished immediately after removing the ignitor, flame-retardant mechanism

中图分类号:

TS195.5

李平阳, 付灿, 董玲玲. 阻燃疏水棉织物的制备及其性能[J]. 纺织学报, 2022, 43(06): 107-114.

LI Pingyang, FU Can, DONG Lingling. Preparation and performance of flame retardant and hydrophobic cotton fabric[J]. Journal of Textile Research, 2022, 43(06): 107-114.

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参考文献 13

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样品编号	质量分数/%			pH值	质量增加率/%
样品编号	PA	APTES	H₂O	pH值	质量增加率/%
C1	0	0	0	—	0
C2	0	9	91	10.9	11.8
C3	6	0	94	1.5	10.9
C4	6	9	85	5.4	15.3

样品编号	LOI值/%	损毁长度/cm
C1	17.4	30.0
C2	21.1	30.0
C3	26.5	30.0
C4	29.4	10.4

洗涤次数	LOI值/%	接触角/(°)
1	21.4	133.5
5	21.4	135.4
30	18.8	131.7

样品编号	白度/%	手感/级
C1	61.72	5
C2	57.57	4
C3	—	4~5
C4	57.28	4

阻燃疏水棉织物的制备及其性能

Preparation and performance of flame retardant and hydrophobic cotton fabric

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