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A mechanism of H2O2/bleach activator bleaching systems was proposed by using H2O2/tetraacetylethylenediamine (TAED) system as a model. HO· concentrations of the system under different pH conditions was measured by using benzenepentacarboxylic acid as a fluorescent probe. Computational analysis of bond enthalpies of H2O2 and peracids revealed that HO· should be the most effective agent in bleaching...
The protective textiles with multifunctional properties such as pollutants capture, antibacterial property, detoxification, and self-cleaning ability are highly demanded for soldiers, medical staff and field workers. To achieve multifunctional properties while maintaining the wearing comfort of protective textiles remains a challenge. PVA-co-PE nanofiber membrane has found promising applications in...
1,2,3,4-Butanetetracarboxylic acid (BTCA) reacts with cellulose in two steps: anhydride formation of adjacent carboxyl groups in BTCA and esterification of anhydride with cellulose, which are generally catalyzed by alkaline salts including sodium hypophosphite. The role of the salts in the reactions has been unclear. As an effort in fully understanding the catalytic effects of the salts, reaction...
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