Preparation of β-cyclodextrin/tea polyphenol inclusion compound and antibacteria/l deodorizing performance on polyester composite fabric
β-cyclodextrin/tea polyphenol(β-CD/TP)inclusion compound were prepared by co-precipitation using β-CD with cavity structure as the main body,and TP,a natural antibacterial agent,as the guest.The chemical structure,phase structure,morphological structure and thermal properties of the inclusions were also systematically investigated by infrared spectroscopy,wide-angle X-ray diffraction,scanning electron microscopy and differential scanning calorimeter.The effects of cladding ratio,cladding time and solution resting time on TP cladding rate,yield and loading rate were studied by single-factor method.The results show that the cladding effect is optimal when the cladding ratio of β-CD to TP is 1∶1,cladding time is 15 h and solution resting time is 24 h,with the yield of 76.2%,cladding rate of 29.2%and loading rate of 7.7%.The β-CD/TP inclusion compound/polyester composite fabric with good antibacterial and deodorizing performance was prepared by chemical grafting.When β-CD inclusion accounts for 5%of the fabric weight,the inhibition rates of S.aureus and E.coli reach 94.5%and 92.6%,respectively,and the elimination rate of ammonia gas reaches 99.9%.
β-cyclodextrintea polyphenolinclusion compoundpolyester fabricantibacterial and deodorizing performance
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