NDLI: Flame Retardant Smoke Suppressant Protection for Poly Vinylchloride

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Flame Retardant Smoke Suppressant Protection for Poly Vinylchloride

Content Provider	Semantic Scholar
Author	Sharma, Sunil K. Saxena, Nitin Kumar
Copyright Year	2004
Abstract	Spread of fire along electrical cables may be alleviated by using flame-retardant smoke suppressant (FRSS) additives-based PVC compositions designed for use as insulation and sheathing. These compositions offer improved resistance to ignition, flame spread and smoke generation. FRSS protection may also be achieved by the application of intumescent coatings as fire-protective layers and barriers for electrical cables and cable installations.Metal-based organic (MBO) complexes were synthesized for use as flame retardant smoke suppressants in PVC formulations. Plasticized PVC compositions were prepared and evaluated for their fire performance. Excellent smoke suppression was observed when either of the two MBOs was used. The limiting oxygen index was also found to be fairly high, particularly when the PVC samples were plasticized with a phosphate plasticizer. Flame-retardant smoke-suppressant intumescent coatings were developed for PVC-sheathed electrical cables. The coatings were applied on cables, and their fire performance was evaluated by using national and international standard procedures. The coated cables did not show any surface spread of flame on exposure and their generation of smoke was found to be very low. The coatings were found to be quite effective in reducing the burning behaviour of power cables. Significant improvement in circuit failure time was noted for coated cable specimens.
Starting Page	385
Ending Page	398
Page Count	14
File Format	PDF HTM / HTML
DOI	10.1023/B:FIRE.0000039165.69852.6b
Alternate Webpage(s)	https://www.safetylit.org/citations/ild_request_form.php?article_id=citjournalarticle_37760_27
Alternate Webpage(s)	https://doi.org/10.1023/B%3AFIRE.0000039165.69852.6b
Volume Number	40
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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