This paper investigates the application of nanoparticles of zeolite on cotton and polyester fabric after well known surface modifications--cotton mercerization and PET alkaline hydrolysis.
Mercerization, as standard cotton modification, results in higher cotton absorbility and little increment of UPF, because fabric shrinks.
Surface modification of textile materials--cotton mercerization and alkaline polyester hydrolysis slightly increase fabric UV protection.
1]) could be useful for determining how the crystallinity index (CI) decreases with increasing strength of alkali during mercerization
STEX followed by mercerization
leads to an increase in the amount of cellulose nanofibrils.
Mercerization leads to fibrillation which causes the breaking down of the composite fiber bundle into smaller fibers.
25, or 30% NaOH solutions and it was found that 5, 18 or 10% of sodium hydroxide solution were the appropriate concentrations for mercerization.
Several workers have performed work on alkali treatment (65), (67), (69), (70) and reported that mercerization leads to an increase in the amount of amorphous cellulose at the cost of crystalline cellulose and the removal of hydrogen bonding in the network structure.
Mercerization and permanganate treatment showed slight enhancement in tensile modulus of the composites.
Mercerization (NaOH concentration [greater than] 12%), is not a fiber purification process; it induces changes of the super-molecular structure and morphology of cellulose fibers [ILLUSTRATION FOR FIGURE 1 OMITTED].
The most important effect of mercerization is the modification of the crystallographic cell from cellulose I to cellulose II.
The majority of changes in the fine structure due to mercerization are decreased by the application of increasing tension.