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https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
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Revista de Chimie (Rev. Chim.), Year 2014, Volume 65, Issue 5,





CEZAR-DORU RADU, OANA PARTENI, IOAN GABRIEL SANDU, OANA BORHAN, ECATERINA VASLUIANU, ION SANDU
Effects of Cellulose Functionalization with Ethylenediamide Tetrakis(Ethoxylate-block-propoxylate) Tetrol

Abstract:

The work determines the conditions for the treatment of some 100% cotton articles of clothing, meant to make them wrinkle-proof, simultaneously with a good water/perspiration absorbing capacity. Grafting with polyfunctional substances (with polar groups) creates the wrinkle recovery possibility, preserving the water absorbing capacity acquired after the desizing and alkaline cleaning). Ethylenediamide tetrakis(ethoxylate-block-propoxylate) tetrol (commercial denomination Tetronic 701) was used as polyfunctional agent of wettability and grafting. The influence of tetrol and catalyst concentrations, impregnation time, condensation duration and temperature was studied. The technology used for wrinkle-proofing was pad-dry-cure (impregnation - drying -condensation). At concentrations higher than 30%, tetrol forms ether bridges with cellulose at a condensation temperature of 160oC for 3 min. The grafting on cellulose was confirmed by FTIR analysis. The wrinkle-recovery angles, tensile strengths and water absorption increase with increasing tetrol concentration. Keywords: wettability, wrinkle-proofing, Tetronic 701, grafting, FTIR


Issue: 2014, Volume 65, Issue 5
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