The effect of the blending amount of alginate fibres to cotton fibres on thermal stabilities, surface micromorphologies, flame-retardant and combustion properties of prepared cotton/alginate blended fibres were explored. The alginate fibres improved the thermal degradation properties at a higher temperature zone, showing in the increase of the residual chars. The alginate fibres enhanced flame-retardant properties and fire behaviors of prepared cotton/alginate blended fibres. The alginate fibres obviously decreased total heat release, peak heat release rate, total smoke production, CO₂ production, and the released amount of inflammable volatiles. And the flame-retardant properties of cotton/alginate blended fibres can meet the requirements of filling materials for indoor furniture.

探索了藻酸盐纤维与棉纤维的掺混量对制备的棉/藻酸盐掺混纤维的热稳定性，表面微观形貌，阻燃性和燃烧性能的影响。海藻酸盐纤维改善了在较高温度区域的热降解性能，显示出残留焦炭的增加。藻酸盐纤维增强了所制备的棉/藻酸盐混合纤维的阻燃性和防火性能。海藻酸盐纤维明显降低了总放热，峰值放热速率，总烟气产生，CO ₂产生以及易燃挥发物的释放量。棉/海藻酸酯混纺纤维的阻燃性能可以满足室内家具填充材料的要求。