By A.R. Horrocks, D. Price
This can be a complete resource of data on all features of fireside retardancy. Particluar emphasis is put on the burning behaviour and flame retarding houses of polymeric fabrics and textiles. It covers combustion, flame retardants, smoke and poisonous items normally after which is going directly to pay attention to a few extra material-specific elements of combustion with regards to textiles, composites and bulk polymers. advancements in all parts of fireside retardant fabrics are lined together with learn in new components similar to nanocomposition. fireplace retardant fabrics is a vital reference resource for all these operating with, studying into, or designing new hearth retardant fabrics.
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Extra info for Fire Retardant Materials
Molybdenum compounds. 42 By using MoO3 as a partial replacement for Sb2O3, smoke and flammability properties can be optimised for PVC. Other molybdenum compounds have been reported to give smoke suppressant effects in polymers other than PVC, but halogen is a necessary co-ingredient. Zinc compounds. Zinc compounds have also been shown to impart Introduction 27 smoke-suppressant characteristics, largely in chlorinated polymers. Smokesuppressant effects appear to be optimum at 1 phr or lower. Synergistic flame-retardant and smoke-suppressant effects are found in PVC formulations when used in combination with antimony oxide.
40 Carty P and White S, Polymers and Composites, 6 (1998) 33–8. 41 Starnes W H Jr. and Huang O, Proc. 2nd. Beijing Int. Symposium on Fire Retardants, 1–5, (1993). 30 Fire retardant materials 42 Starnes W H, Wescott L D, Reents W D, Cais R E, Vollacorta G M, Plitz I M and Anthony L J in Polymer Additives (ed. J E Cresta), Plenum Press, New York (1984) pp 237–48. 43 Kroenke W J, J. Appl. Poly. , 26 (1981) 1167. 44 Mitchell L C, US Patent 3845001 (1974); US Patent 3903028 (1975); US Patent 3870679 (1975).
17 This negates any heat insulating effects that the char may have on the virgin polymer beneath. Factors which influence the type of char formed are still not properly understood, but will include melt viscosity, the surface tension of the meltgas interface and the kinetics of gasification and polymer cross-linking. 3. Smoke Most of the work done on smoke generation during polymer burning has taken place over the last 20 years or so beginning with the development of test methods for measuring smoke density from burning materials.