The Content Analysis of Hydrazide-Based Formaldehyde Reducing Agent for POM Using H-1 NMR Spectroscopy
- Authors
- 임유진; 정찬호; 이금향; 김유라; 유효연; 안상두
- Issue Date
- Mar-2019
- Publisher
- POLYMER SOC KOREA
- Keywords
- NMR; polyoxymethylene; formaldehyde reducing agent; hydrazide; hydrazone
- Citation
- POLYMER-KOREA, v.43, no.2, pp 289 - 294
- Pages
- 6
- Journal Title
- POLYMER-KOREA
- Volume
- 43
- Number
- 2
- Start Page
- 289
- End Page
- 294
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/18204
- DOI
- 10.7317/pk.2019.43.2.289
- ISSN
- 0379-153X
2234-8077
- Abstract
- Polyoxymethylene (POM) is a polymer composed of formaldehyde as a monomer and has excellent physical properties. However, it has low thermal stability and is easily decomposed, thereby generating formaldehyde. In order to reduce the emission of formaldehyde from POM, nitrogen compounds are used as a reducing agent. In this study, a simple method of analyzing the content of hydrazide compounds, a formaldehyde reducing agent, added to a low odor POM copolymer was developed using H-1 NMR spectroscopy. An excess amount of formaldehyde was added to the analytical sample to convert the entire hydrazide group to a hydrazone which is easy to analyze in H-1 NMR spectrum. It was confirmed that the quantitative analysis of hydrazide additive was possible with accuracy of 95% level.
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Collections - College of Natural Sciences > Department of Chemistry > 1. Journal Articles
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