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Nonformaldehyde flame retardant finishing of the Nomex/cotton blend fabric using a hydroxy-functional organophosphorus oligomer
- Source :
- Journal of Fire Sciences. September 2007, Vol. 25 Issue 5, p425, 22 p.
- Publication Year :
- 2007
-
Abstract
- Multifunctional carboxylic acids, such as 1,2,3,4-butanetetracarboxylic acid (BTCA), have been used as durable press finishing agents to produce wrinkle-resistant cotton. In our previous research, we used BTCA as a nonformaldehyde bonding agent in the flame retardant finishing system based on a hydroxy-functional organophosphorus oligomer (HFPO) for cotton. In this research, we investigate the application of HFPO to the 65%/35% Nomex/cotton blend fabric using BTCA as a bonding agent and triethanolamine (TEA) as a co-reactant. We found that the addition of TEA in the flame retardant finishing system improves the hydrolysis resistance of the HFPO bound to the Nomex/ cotton blend and enhances the flame retardant performance of HFPO by means of phosphorus-nitrogen synergism. Moreover, TEA reduces the deposit of calcium salt on the treated fabric during laundering by esterifying the free carboxylic acid groups on cotton. The Nomex/cotton blend fabric treated with the HFPO/BTCA/TEA system shows high flame retardant performance at relatively low add-on levels. It is a completely nonformaldehyde flame retardant finishing system. KEY WORDS: BTCA, cotton, flame retardants, multifunctional carboxylic acid, Nomex, organophosphorus chemicals, triethanolamine.<br />INTRODUCTION NOMEX, A REGISTERED trademark of Dupont for poly(m-phenylene isophthamide) fiber, has been commonly used to make fire-resistant protective clothing [1]. The high cost of Nomex, however, limits its wider [...]
- Subjects :
- Fireproofing agents -- Chemical properties
Cotton fabrics -- Chemical properties
Cotton textiles -- Chemical properties
Oligomers -- Chemical properties
Carboxylic acids -- Chemical properties
Deformations (Mechanics) -- Prevention -- Chemical properties
Construction and materials industries
Engineering and manufacturing industries
Prevention
Chemical properties
Subjects
Details
- Language :
- English
- ISSN :
- 07349041
- Volume :
- 25
- Issue :
- 5
- Database :
- Gale General OneFile
- Journal :
- Journal of Fire Sciences
- Publication Type :
- Academic Journal
- Accession number :
- edsgcl.169146843