Objectives:

1. Photochemical stabilization of multicomponent polymer systems.
2. Thermal stability studies of the photostabilized multicomponent polymer systems.

Activities:

1.1. The choice of stabilizers according to photochemical degradation mechanism
2.1. Thermal characterization of the photostabilizers
2.2. The influence of photostabilizers on the thermal resistance of the studied materials

Scientific papers 2015

1. D.Rosu, F.Mustata, N.Tudorachi, V.E. Musteata, L.Rosu, C.–D.Varganici; Novel bio–based flexible epoxy resin from diglycidyl ether of bisphenol A cured with castor oil maleate; RSC Advances, 5(57), 45679-45687 (2015); IF= 3,840; SI= 2,339; DOI: 10.1039/c5ra05610a;
http://pubs.rsc.org/en/content/articlelanding/2015/ra/c5ra05610a#!divAbstract

2. C.–D.Varganici, L.Rosu, O.M.Mocanu (Paduraru), D. Rosu; Influence of poly(vinyl alcohol) on cellulose photochemical stability in cryogels during UV irradiation;  J. Photochem. Photobiol. A: Chem., 297, 20–30 (2015); IF= 2,495; SI=0,939;
doi.org/10.1016/j.jphotochem.2014.10.004
http://www.sciencedirect.com/science/article/pii/S1010603014004237

3. C.–D.Varganici, D.Rosu, C.Barbu–Mic, L.Rosu, D.Popovici, C.Hulubei, B.C. Simionescu; On the thermal stability of some aromatic–aliphatic polyimides; J. Anal. Appl. Pyrol., 113, 390–401 (2015); IF= 3,564; SI=1,705; doi.org/10.1016/j.jaap.2015.02.031;
http://www.sciencedirect.com/science/article/pii/S0165237015000753

4. S. Ioan, S. Nica, V. Nica, V.C. Grigoras, C.-D. Varganici, D. Popovici, C. Hulubei; Influence of two structural phases of Fe3O4 and γ-Fe2O3 on the properties of polyimide/iron oxide composites; Polym. Int., 64, 1172–1181 (2015); IF= 2,409; SI= 1,686; DOI: 10.1002/pi.4888
http://onlinelibrary.wiley.com/doi/10.1002/pi.4888/full

5. C.–D.Varganici, N.Marangoci, L.Rosu, C.Barbu–Mic, D.Rosu, M.Pinteala, B.C. Simionescu; TGA/DTA–FTIR–MS coupling as analytical tool for confirming inclusion complexes occurrence in supramolecular host–guest architectures; J. Anal. Appl. Pyrol., 115, 132–142 (2015); IF= 3,564; SI= 1,705; doi.org/10.1016/j.jaap.2015.07.006;
http://www.sciencedirect.com/science/article/pii/S0165237015300760

6. D.Macocinschi, D.Filip, M.F.Zaltariov, C.–D.Varganici; Thermal and hydrolytic stability of silver nanoparticle polyurethane biocomposites for medical applications; Polym. Degrad. Stab., 131, 238–246 (2015); IF= 3,183; SI= 2,291; doi:10.1016/j.polymdegradstab.2015.09.017
http://www.sciencedirect.com/science/article/pii/S0141391015300914

Book chapter

1. D.Rosu, C.–D.Varganici, L.Rosu, O.M.Paduraru, Thermal degradation of thermosetting blends, in: Thermal Degradation of Polymer Blends, Composites and Nanocomposites, P.M. Visakh, Y. Arao (Editori), Editura Springer International, Elvetia, 2015, pg. 17-50; ; ISBN 978-3-319-03463-8 ISBN 978-3-319-03464-5 (eBook); DOI 10.1007/978-3-319-03464-5
http://www.amazon.com/Degradation-Composites-Nanocomposites-Engineering-Materials/dp/3319034634#reader_3319034634

2. C.-A.Teaca, R.Bodirlau, Multicomponent polymer composite/nanocomposite systems using polymer matrices from sustainable renewable sources, in: Eco-friendly Polymer Nanocomposites Processing and Properties; Thakur, Vijay Kumar, Thakur, Manju Kumari (Eds.), Editura Springer India, 2015, pg. 469-494, ISBN: 978-81-322-2470-9;   DOI: 10.1007/978-81-322-2470-9_15
http://www.springer.com/us/book/9788132224693#aboutAuthors

Papers presented at national and international scientific meetings

Seventh Cristofor I. Simionescu Symposium
Frontiers in Macromolecular and Supramolecular Science
June 4 – 5 – “Petru Poni” Institute of Macromolecular Chemistry of Romanian Academy, Iasi
http://www.icmpp.ro/events/conferences/seventh/Anunt%20CIS%20VII_Program.pdf

1. D.Rosu, F.Mustata, N.Tudorachi, C.-D.Varganici, L.Rosu; Bio–based flexible networks from epoxy resin and castor oil maleate (Poster)

2. C.-A.Teaca, R.Bodirlau, D.Rosu, N. Tudorachi; Multi-component polymer systems based on biopolymers from renewable resources – structure and properties (Poster)

Romanian International Conference on Chemistry and Chemical Engineering, RICCCE 19, Sibiu, September 1-6, 2015
http://riccce19.chimie.upb.ro/doc/program.pdf

3. C.A. Teaca, R. Bodirlau, L. Rosu, C.-D. Varganici; FTIR spectral and colour changes of softwood coated with epoxy functionalized soybean oil and photo-degraded under UV light - (Poster)

4. R. Bodirlau, C.A. Teaca, L. Rosu, E. Marlica, D. Rosu; Wood treatment with vegetable oils and its protective effect under environmental factors action (Poster)

5. D.Rosu, C.-D. Varganici, L. Rosu, O.M. Mocanu (Paduraru); Poly(vinyl alcohol)–cellulose cryogels. Photochemical behavior (Poster)

6. C.-D. Varganici, L. Rosu, O.M. Paduraru (Mocanu), D. Rosu; Poly(vinyl alcohol)–cellulose cryogels. Thermal behavior (Poster)

7. F. Mustata, E. Marlica, C.D. Varganici, V.E. Musteata; Thermal and electrical properties of DGEBA cured with maleinized castor oil (Poster)

The 3nd CEEPN Workshop on Polymer Science
September 23 - 26, 2015 “Petru Poni” Institute of Macromolecular Chemistry
Iasi, Romania

http://www.icmpp.ro/events/conferences/ps2015/THE%203rd%20CEEPN%20WORKSHOP%20-%20Proceedings.pdf
http://www.icmpp.ro/events/conferences/ps2015.html

8. C.-D. Varganici, D. Rosu, C.–A. Teaca, L. Rosu, R. Bodirlau; Effect of epoxy and succinic anhydride functionalized soybean oil coating on wood resistance against photodegradation (Oral communication)

9. C.-A. Teaca, R. Bodirlau, L. Rosu, N. Tudorachi, D. Rosu; Multi-component polymer systems comprising different bio-based fillers (Poster)
"Progress in organic and polymer chemistry", XXVth Edition, the XXV-th Symposium,     24 - 26 September 2015, Iasi
http://www.icmpp.ro/zai/en/index.html

10. C.–D Varganici, N. Marangoci, L. Rosu, C. Barbu–Mic, D. Rosu, M. Pinteala, B. C. Simionescu; Complexation phenomenon study in supramolecular host-guest architectures by TGA / DTA-FTIR-MS (Oral cummunication)

11. C.-D. Varganici, D. Rosu, C. Barbu–Mic, L. Rosu, D. Popovici, C. Hulubei, B. C. Simionescu; Thermal behavior study of some semi-aromatic polyimides (Poster)