[논문]구아니딘화 폴리에틸렌이민이 처리된 폴리프로필렌 부직포의 군사용 화학 작용제 제독 특성

김지윤; 권웅; 김창규; 정의경

doi:10.5764/tcf.2021.33.1.1

구아니딘화 폴리에틸렌이민이 처리된 폴리프로필렌 부직포의 군사용 화학 작용제 제독 특성
Detoxification Properties of Guanidinylated Polyethyleneimine Treated Polypropylene Non-woven Fabric Against Chemical Warfare Agents 원문보기

韓國染色加工學會誌 = Textile coloration and finishing, v.33 no.1, 2021년, pp.1 - 9

김지윤 (경북대학교 섬유시스템공학과) , 권웅 (경북대학교 섬유시스템공학과) , 김창규 (경북대학교 섬유시스템공학과) , 정의경 (경북대학교 섬유시스템공학과)

Abstract ▼ AI-Helper

This study aims to prepare the fabric with detoxification properties against chemical warfare agent by the simple treatment. For this purpose, polypropylene non-woven fabric(PP) was treated with polyethyleneimine(PEI) and guanidinylated PEI and detoxification properties of the guanidinylated PEI treated PP were evaluated using diisopropylfluorophosphate(DFP), as a chemical warfare agent simulant, and compared with the untreated and PEI treated PP. The half-lives of DFP on guanidinylated PEI treated PP and untreated PP were 334 min and 714 min, respectively. The half-life of DFP with guanidinylated PEI treated PP was 53.22% shorter than with untreated PP. This result shows that guanidine group in guanidinylated PEI treated PP was acted as a base catalyst for hydrolysis of DFP and decreased half-life of DFP. Therefore, it is expected that guanidinylated PEI treatment can be an simple pathway to prepare the detoxification fabric material for protective clothing against chemical warfare agents.

주제어

표/그림 (13)

그림 Figure 1. Reaction scheme of catalytic hydrolysis of DFP to DHP by guanidinylated PEI treated PP non-woven fabric.
그림 Figure 2. FT-IR spectra of PEI and GU-PEI.
그림 Figure 3. Optimization of microwave curing time of the PEI PP and GU-PEI PP.
그림 Figure 4. FT-IR spectra of the untreated PP, PEI PP, and GU-PEI PP; (a) FT-IR spectra in the range of 4000cm^-1 to 500cm^-1, (b) expanded of the FT-IR spectra in the range of 2200cm^-1 to 1400cm^-1.
그림 Figure 5. XPS survey spectra of the prepared samples; (a) untreated PP, (b) PEI PP, and (c) GU-PEI PP.
그림 Figure 6. SEM images of the untreated PP, PEI PP, and GU-PEI PP under different magnifications; (a, b) untreated PP, (c, d) PEI PP, and (e, f) GU-PEI PP.
표 Table 1. Surface atomic concentration of the untreated PP, PEI PP, and GU-PEI PP based on the XPS survey spectra
그림 Figure 7. EDS mapping of the nitrogen element for the PEI PP and GU-PEI PP; (a) untreated PP, (b) PEI PP, and (c) GU-PEI PP.
표 Table 2. Surface atomic concentration of the untreated PP, PEI PP, and GU-PEI PP based on EDS analysis
그림 Figure 8. Standard curve of DFP solution with various concentrations range from 0.78 to 12.5μL/mL.
그림 Figure 10. Kinetic plot of the hydrolysis reaction of DFP with the untreated PP, PEI PP, and GU-PEI PP; (a) untreated PP, (b) PEI PP, and (c) GU-PEI PP; DFP* is (100-decontamination ratio of DFP)/100.
그림 Figure 9. DFP decontamination ratio of the untreated PP, PEI PP, and GU-PEI PP in 2h at 32℃.
그림 Figure 11. Half-lives of DFP; (a) untreated PP, (b) PEI PP, and (c) GU-PEI PP.

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