The investigation of flame retardant effect of expandable retardant on cotton fabrics

The cotton fabrics were finished with ammonium polyphosphate(APP),APP-melamine mixt.(APP /MEL) and APP-MEL-pentaerythritol(APP/MEL/PER) triple flame retardant,resp.The results showed that APP,the component flame retardant,gave poor flame-retardant effect.The APP/MEL gave better results,and the APP/MEL/PER,an expandable one,gave the best results.