TY  - JOUR
AU  - Cakić, Suzana M.
AU  - Spirkova, Milena
AU  - Ristić, Ivan S.
AU  - Budinski-Simendić, Jaroslava K.
AU  - Marinović-Cincović, Milena
AU  - Poreba, Rafal
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5364
AB  - Three water-based polyurethane dispersions (PUD) were synthesized by modified dispersing procedure using polycarbonate diol (PCD), isophorone diisocyanate (IPDI), dimethylolpropionic acid (DMPA), triethylamine (TEA) and ethylenediamine (EDA). The ionic group content in the polyurethane-ionomer structure was varied by changing the amount of the internal emulsifier, DMPA (4.5, 7.5 and 10 wt.% to the prepolymer weight). The expected structures of obtained materials were confirmed by FTIR spectroscopy. The effect of the DMPA content on the thermal properties of polyurethane films was measured by TGA, DTA, DSC and DMTA methods. Increased DMPA amounts result in the higher hard segment contents and in the increase of the weight loss corresponding to the degradation of the hard segments. The reduction of hard segment content led to the elevated temperature of decomposition and to the decrease of the glass transition temperature and thermoplasticity. The atomic force microscopy (AFM), results indicated that phase separation between hard and soft segment of PUD with higher DMPA content is more significant than of PUD with lower DMPA content. The physico-mechanical properties, such as hardness, adhesion test and gloss of the dried films were also determined considering the effect of DMPA content on coating properties. (C) 2012 Elsevier B.V. All rights reserved.
T2  - Materials Chemistry and Physics
T1  - The waterborne polyurethane dispersions based on polycarbonate diol: Effect of ionic content
VL  - 138
IS  - 1
SP  - 277
EP  - 285
DO  - 10.1016/j.matchemphys.2012.11.057
ER  - 

@article{
author = "Cakić, Suzana M. and Spirkova, Milena and Ristić, Ivan S. and Budinski-Simendić, Jaroslava K. and Marinović-Cincović, Milena and Poreba, Rafal",
year = "2013",
abstract = "Three water-based polyurethane dispersions (PUD) were synthesized by modified dispersing procedure using polycarbonate diol (PCD), isophorone diisocyanate (IPDI), dimethylolpropionic acid (DMPA), triethylamine (TEA) and ethylenediamine (EDA). The ionic group content in the polyurethane-ionomer structure was varied by changing the amount of the internal emulsifier, DMPA (4.5, 7.5 and 10 wt.% to the prepolymer weight). The expected structures of obtained materials were confirmed by FTIR spectroscopy. The effect of the DMPA content on the thermal properties of polyurethane films was measured by TGA, DTA, DSC and DMTA methods. Increased DMPA amounts result in the higher hard segment contents and in the increase of the weight loss corresponding to the degradation of the hard segments. The reduction of hard segment content led to the elevated temperature of decomposition and to the decrease of the glass transition temperature and thermoplasticity. The atomic force microscopy (AFM), results indicated that phase separation between hard and soft segment of PUD with higher DMPA content is more significant than of PUD with lower DMPA content. The physico-mechanical properties, such as hardness, adhesion test and gloss of the dried films were also determined considering the effect of DMPA content on coating properties. (C) 2012 Elsevier B.V. All rights reserved.",
journal = "Materials Chemistry and Physics",
title = "The waterborne polyurethane dispersions based on polycarbonate diol: Effect of ionic content",
volume = "138",
number = "1",
pages = "277-285",
doi = "10.1016/j.matchemphys.2012.11.057"
}

Cakić, S. M., Spirkova, M., Ristić, I. S., Budinski-Simendić, J. K., Marinović-Cincović, M.,& Poreba, R.. (2013). The waterborne polyurethane dispersions based on polycarbonate diol: Effect of ionic content. in Materials Chemistry and Physics, 138(1), 277-285.
https://doi.org/10.1016/j.matchemphys.2012.11.057

Cakić SM, Spirkova M, Ristić IS, Budinski-Simendić JK, Marinović-Cincović M, Poreba R. The waterborne polyurethane dispersions based on polycarbonate diol: Effect of ionic content. in Materials Chemistry and Physics. 2013;138(1):277-285.
doi:10.1016/j.matchemphys.2012.11.057 .

Cakić, Suzana M., Spirkova, Milena, Ristić, Ivan S., Budinski-Simendić, Jaroslava K., Marinović-Cincović, Milena, Poreba, Rafal, "The waterborne polyurethane dispersions based on polycarbonate diol: Effect of ionic content" in Materials Chemistry and Physics, 138, no. 1 (2013):277-285,
https://doi.org/10.1016/j.matchemphys.2012.11.057 . .

TY  - JOUR
AU  - Cakić, Suzana M.
AU  - Ristić, Ivan S.
AU  - Marinović-Cincović, Milena
AU  - Spirkova, Milena
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5343
AB  - Polyurethane anionic adhesives were synthesized as waterborne polyurethane dispersions (PUDs) by modified dispersing procedure, using isophorone diisocyanate, dimethylol propionic acid, ethylenediamine as a chain extender and a range of soft segments with various macrodiols proportions. The soft segment was formed by replacing poly(propylene glycol) (PPG) as polyether polyol with polycarbonate diol (PCD), as polyester polyol. The effect of the macrodiols proportions of soft segment on the thermal properties of polyurethane films was measured by thermogravimetry analyses (TGA) and differential scanning calorimetry (DSC) methods. The infrared spectroscopy (FTIR) was used for evaluating the degree of phase separation. The results showed that phase separation between hard and soft segments of poly(ester-urethane) is more significant than of poly(ether-urethane). The phase separation degree of polyurethane dispersion significantly affected the glass transition temperature (T-g) and film properties. While the phase separation degree increased, T-g proportionally decreased, but the hardness and gloss of the dried films increased, as expected. However, thermal stability was influenced by the molecular weight of used polyols and chemical structure of the polyols, and it was described by the effect of oxygen content, and interaction between the soft and hard segment, and the soft segment composition. The soft segment can be achieved with a proper selection, in order to fine-tune the performance of waterborne polyurethane dispersion, considering certain practical application. (C) 2012 Elsevier Ltd. All rights reserved.
T2  - International Journal of Adhesion and Adhesives
T1  - The effects of the structure and molecular weight of the macrodiol on the properties polyurethane anionic adhesives
VL  - 41
SP  - 132
EP  - 139
DO  - 10.1016/j.ijadhadh.2012.11.001
ER  - 

@article{
author = "Cakić, Suzana M. and Ristić, Ivan S. and Marinović-Cincović, Milena and Spirkova, Milena",
year = "2013",
abstract = "Polyurethane anionic adhesives were synthesized as waterborne polyurethane dispersions (PUDs) by modified dispersing procedure, using isophorone diisocyanate, dimethylol propionic acid, ethylenediamine as a chain extender and a range of soft segments with various macrodiols proportions. The soft segment was formed by replacing poly(propylene glycol) (PPG) as polyether polyol with polycarbonate diol (PCD), as polyester polyol. The effect of the macrodiols proportions of soft segment on the thermal properties of polyurethane films was measured by thermogravimetry analyses (TGA) and differential scanning calorimetry (DSC) methods. The infrared spectroscopy (FTIR) was used for evaluating the degree of phase separation. The results showed that phase separation between hard and soft segments of poly(ester-urethane) is more significant than of poly(ether-urethane). The phase separation degree of polyurethane dispersion significantly affected the glass transition temperature (T-g) and film properties. While the phase separation degree increased, T-g proportionally decreased, but the hardness and gloss of the dried films increased, as expected. However, thermal stability was influenced by the molecular weight of used polyols and chemical structure of the polyols, and it was described by the effect of oxygen content, and interaction between the soft and hard segment, and the soft segment composition. The soft segment can be achieved with a proper selection, in order to fine-tune the performance of waterborne polyurethane dispersion, considering certain practical application. (C) 2012 Elsevier Ltd. All rights reserved.",
journal = "International Journal of Adhesion and Adhesives",
title = "The effects of the structure and molecular weight of the macrodiol on the properties polyurethane anionic adhesives",
volume = "41",
pages = "132-139",
doi = "10.1016/j.ijadhadh.2012.11.001"
}

Cakić, S. M., Ristić, I. S., Marinović-Cincović, M.,& Spirkova, M.. (2013). The effects of the structure and molecular weight of the macrodiol on the properties polyurethane anionic adhesives. in International Journal of Adhesion and Adhesives, 41, 132-139.
https://doi.org/10.1016/j.ijadhadh.2012.11.001

Cakić SM, Ristić IS, Marinović-Cincović M, Spirkova M. The effects of the structure and molecular weight of the macrodiol on the properties polyurethane anionic adhesives. in International Journal of Adhesion and Adhesives. 2013;41:132-139.
doi:10.1016/j.ijadhadh.2012.11.001 .

Cakić, Suzana M., Ristić, Ivan S., Marinović-Cincović, Milena, Spirkova, Milena, "The effects of the structure and molecular weight of the macrodiol on the properties polyurethane anionic adhesives" in International Journal of Adhesion and Adhesives, 41 (2013):132-139,
https://doi.org/10.1016/j.ijadhadh.2012.11.001 . .