ISSN : 0970 - 020X, ONLINE ISSN : 2231-5039
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Abstract

Chitosan-Tripoly Phosphate (CS-TPP) Synthesis Through Cross-linking Process: the Effect of Concentration Towards Membrane Mechanical Characteristic and Urea Permeation

Retno Ariadi Lusiana1, Wahyu Putri Protoningtyas1, Anugrah Ricky Wijaya2, Dwi Siswanta3 Mudasir3 and Sri Juari Santosa3

DOI : http://dx.doi.org/10.13005/ojc/330626


Abstract:

Crosslinking reactions are required to modify the functional groups on chitosan and to increase the number of active groups of chitosan. In this study crosslinking reaction of tripolyphospate (TPP) groups on chitosan was conducted in order to produce membrane which functions as candidate of hemodialysis membrane. The mole ratio between chitosan and NaTPP was varied to obtain the best composition of modified materials. Study of TPP concentration effect towards membrane characteristics was conducted urea permeation ability. The resulting membrane was then characterized including tests of thickness, water uptake, tensile strength and membrane hydrophilicity. The results showed that the best composition of membrane occurred in the addition of 0.691 gram of NaTPP proved by increasing water uptake (150%), its highest mechanical strength and releasing the percentage of urea permeation by 44%.

Keywords:

Crosslinking; Membrane Mechanical; Urea Permeated

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