Synthesis of a flame-retardant dope additive dithiopyrophosphate and its effect on viscose rayon fibres | Health & Environmental Research Online (HERO)

Health & Environmental Research Online (HERO)

Print Feedback Export to File

This record has one attached file:

Citation
Tags

HERO ID

3579991

Reference Type

Journal Article

Title

Synthesis of a flame-retardant dope additive dithiopyrophosphate and its effect on viscose rayon fibres

Author(s)

Koutu, BB; Sharma, RK

Year

1996

Is Peer Reviewed?

Yes

Journal

Indian Journal of Fibre & Textile Research
ISSN: 0971-0426

Volume

Issue

Page Numbers

140-142

Language

English

Web of Science Id

WOS:A1996UR46900007

URL

https://www.scopus.com/inward/record.uri?eid=2-s2.0-0029676804&partnerID=40&md5=5e8b0609d9d3d2b0272098887b86db41
Exit

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 rormed in 1,4-dioxan. This compound has been found td 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 name retardancy.

Keywords

dithiopyrophasphate; flame-retardant dope additive; limiting oxygen index; viscose rayon fibre