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http://nopr.niscpr.res.in/handle/123456789/32249| Title: | Synthesis of a flame-retardant dope additive dithiopyrophosphate and its effect on viscose rayon fibres |
| Authors: | Koutu, B B Sharma, R K |
| Keywords: | Dithiopyrophosphate;Flame-retardant dope additive;Limiting oxygen index;Viscose rayon fibre |
| Issue Date: | Jun-1996 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | A new flame-retardant dope additive, dithiopyrophosphate, has been prepared by reacting neopentyl glycol with thiophosphoryl chloride in a media of benzene-pyridine and hydrolysing the intermediate product so formed in 1,4-dioxan. This compound has been found to be stable against acid and base and improves the limiting oxygen index (LOI) of viscose rayon fibres from 19 to 27% when used as a flame-retardant dope additive. The physical properties of rayon fibres, except the limiting oxygen index, do not change after imparting flame retardancy. |
| Page(s): | 140-142 |
| ISSN: | 0975-1025 (Online); 0971-0426 (Print) |
| Appears in Collections: | IJFTR Vol.21(2) [June 1996] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IJFTR 21(2) 140-142.pdf | 188.48 kB | Adobe PDF | View/Open |
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