Breathable graphene oxide/polyurethane layered membrane for chemical protective clothing

被引：0

作者：

Li, Weili ^{[1
,2
,3
,4
]}

Qiu, Wei ^{[1
,2
]}

Yang, Guang ^{[1
]}

Zeng, Xu ^{[1
,2
]}

Zhang, Min ^{[1
]}

Xu, Bin ^{[2
]}

Zheng, Xiaohui ^{[1
]}

机构：

[1] State Key Lab NBC Protect Civilian, Beijing 100191, Peoples R China

[2] Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing Key Lab Electrochem Proc & Technol Mat, Beijing 100029, Peoples R China

[3] Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Hunan, Peoples R China

[4] Natl Univ Def Technol, Hunan Prov Key Lab Novel NanoOptoelect Informat Ma, Changsha 410073, Hunan, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2025年 / 684卷

关键词：

Chemical protective clothing; Moisture permeability; Mechanical properties; Layer alternating structure composite film; RUBBER COMPOSITES; BARRIER MATERIALS; WARFARE AGENTS; CROSS-LINKING; OXIDE PAPERS; WATER; STRENGTH; LIQUID; IONS;

D O I：

10.1016/j.apsusc.2024.161741

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Chemical protective clothing is crucial for shielding operators from toxic and hazardous substances. However, the limited moisture permeability of these garments significantly affects worker comfort and functionality over long periods. In this study, we introduce a novel graphene oxide/polyurethane composite membrane with an innovative alternating layer structure and improved interlayer bonding, produced through a simple, scalable layer-by-layer assembly method. The outstanding L-GO/PU membrane offers robust chemical protection for up to 24 h against harmful agents like mustard gas and dichloromethane, while also showing excellent resistance to both acidic and alkaline solutions. With a moisture permeability of 3116 g m- 2 d-1, this membrane ensures optimal comfort during extended use. Additionally, it demonstrates remarkable resistance to swelling, maintaining its structural integrity for 27 days during prolonged immersion in water. The L-GO/PU composite stands out as an excellent choice for chemical protective gear, combining high toxicity resistance with superior moisture management capabilities.

引用

页数：9

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