| Summary: | The paper studied the bamboo-charcoal polyester fibre chemical resistance properties and solubility in common fibre identification solution. Analyzed and compared the solubility and color change of bamboo- charcoal polyester fibre in various reaction acidic, alkaline and oxidizing solutions with different temperature, reagent concentration and different reaction time conditions. The result showed that: bamboo-charcoal polyester fibre is acid resistance, it can withstand 37% hydrochloric acid and 99% glacial acetic acid at boiling temperature, 50% sulfuric acid at room temperature. Bamboo-charcoal polyester fibre is not alkali resistance, it can withstand 20% sodium hydroxide and 0.6mol/l-1.2mol/l sodium hypochlorite at room temperature, it can’t withstand boiled low concentration sodium hydroxide. The oxidation resistance of bamboo-charcoal polyester fibre is not strong. Finally, based on the degree of dissolution in the common fibre identification solution listed the identify solution and correction coefficient to calculate the fibre blended ratio of blending products. It is expected that all of the research results will provide the basis for the research of fibre identification and future development and application of bamboo-charcoal polyester fibre.
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