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thermomechanical curve. The shape of thermomechanical curves of various textile materials is very close to thermomechanical curve of amorphous polymer. Processes occurring on a surface and inside of textile fibers (wetting, steam sorption, swelling, dissolution
All composites based on natural fibers absorb moisture in humid atmosphere and when immersed in water or capillary action. Therefore, one of the major drawbacks of polymer fibers is their high availability to moisture sorption and their heterogeneity, which leads to a weak interface between the fibers and matrix and a poor transfer of the applied stress between the materials, resulting to reduction of physico-mechanical properties. An experimental investigation was conducted to testing the water absorption of hemp composites with MgO-cement binder and its influence on the physico-mechanical and thermal characteristics of composites. The achieved results of composites indicate that water absorption test has deteriorative influence on observed properties due to the degradation of the fibre-matrix interface.
2009 4 105 109 Holub M., Balintova M. Testing of various sorbents for copper sorption from acidic solutions, Pollack
sorbents for copper sorption from acidic solutions , Pollack Periodica , Vol. 8 , No. 2 , 2013 , pp. 47 – 54 . [4] Petriláková A. , Bálintová M
] Oravec J. , Petriláková A. , Zeleňák V. , Bálintová M. , Eštoková A. Mesoporous silica for sorption of copper and sulphates from the environment , Pollack Periodica , Vol. 9 , No. 3 , 2014 , pp. 43 – 49
] Oravec J. , Petriláková A. , Zeleňák V. , Bálintová, M. , Eštoková A. Mesoporous silica for sorption of copper and sulphates from the environment , Pollack Periodica, Vol. 9 , No. 3 , 2014 , pp. 43 – 49
] Holub M. , Balintova M. , Pavlikova P. , Palascakova L. Study of sorption properties of zeolite in acidic conditions in dependence on particle size , Chemical EngineeringTransactions , Vol. 32 , 2013 , pp
Garcia S. A., Alvarey A. E. Sorption of heavy metals from industrial waste water by lowcost mineral silicates, Clay minerals , Vol. 34, No. 3, 1999, pp. 469–477. Alvarey A. E. Sorption
M. , Balintova M. Testing of various sorbents for copper sorption from acidic solutions , Pollack Periodica , Vol. 8 , No. 2 , 2013 , pp. 4 – 54 . [17
sorption from acidic soulutions , Pollack Periodica , Vol. 8 , No. 2 , 2013 , pp. 47 – 54 . [16] Hassan S , Hakimeh O , Daryoush A
