Hydrophylic Polyurethaneurea Containing the Copolymer of N-vinylpyrrolidone, Vinyl Acetate and Vinyl Alcohol for Possible Biomedical Use
Advances in Biochemistry
Volume 5, Issue 4, August 2017, Pages: 73-78
Received: May 30, 2017;
Accepted: Jun. 26, 2017;
Published: Jul. 31, 2017
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Tetiana Rudenchyk, Institute of Macromolecular Chemistry of NAS of Ukraine, Kyiv, Ukraine
Rita Rozhnova, Institute of Macromolecular Chemistry of NAS of Ukraine, Kyiv, Ukraine
Nataliia Galatenko, Institute of Macromolecular Chemistry of NAS of Ukraine, Kyiv, Ukraine
The series of polyurethaneurea (PUU) containing in its structure the fragments of the copolymer of N-vinylpyrrolidone, vinyl acetate and vinyl alcohol (VP-VA) with the 1.6-hexamethylenediamine (HMDA) macrochain extender and the series of PUU with the 4.4'-diaminodiphenylmethane (DADPh) macrochain extender having different ratio of HMDA and DADPh to VP-VA (30:70; 40:60; 50:50; 60:40; 70:30) were synthesized. It has been established that PUU containing in its structure the DADPh macrochain extender is characterized by higher values of the tensile strength and relative elongation at break, glass-transition temperature and the change of the specific heat capacity and hydrophilicity compared to PUU containing in its structure the HMDA macrochain extender. It was found that the increase in amount of VP-VA copolymers in PUU structure increases hydrophilicity by 19-41% for PUU with HMDA and by 16-62% for PUU with DADPh and will contribute to a prolonged release of biologically active substances from the polymer matrix. The results obtained allowed us to determine that the PUU with VP-VA copolymer fragments in the structure synthesized with the ratio of HMDA and DADPh to VP-VA 70:30 is characterized by sufficient physical-mechanical properties (σ = 3.1 MPa, ε = 47% and σ = 5.2 MPa, ε = 90%, accordingly), hydrophilicity (21.0% and 19.4%, accordingly) and can be used as a polymer matrix for medicine biologically active composite materials.
Hydrophylic Polyurethaneurea Containing the Copolymer of N-vinylpyrrolidone, Vinyl Acetate and Vinyl Alcohol for Possible Biomedical Use, Advances in Biochemistry.
Vol. 5, No. 4,
2017, pp. 73-78.
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