National Institute for Research & Development in Chemistry and Petrochemistry

ICECHIM

G10: Functional dyes and related materials

About us

The research team specialized in synthesis and characterization of chromogenic materials has a solid background in applied color science with a significant expertise in dyes and pigments technology. Besides chromogenic materials based on classical dyes and pigments and their applications, our current concerns are centred on functional dyes, including hybrid structures for stimulated color changing materials, luminophores, and colorants for manipulation of light and energy transfer with suitable properties for emerging technologies (metamaterials, multifunctional structures, holography, organic conductors, light concentrators or E-textiles). Research areas: a) Synthesis of innovative materials based on functional dyes and pigments (stimulated color changing materials, luminescent systems for energy transfer, adaptive systems for light manipulation); b) Hybrid organic-inorganic coloring materials and film-forming materials for rigid and flexible substrates (photocatalytic coatings, anticorrosive film-forming materials, antireflective properties, resistant to overcoating); c) Conditioning of coloring materials as free flowing and easy dispersible powders, dispersion in liquid vehicles or by encapsulation in different matrices; d) Chemical structure investigation, evaluation of optical properties by molecular spectroscopy, color measurements and evaluation of color differences; e) Functionalization of textile materials (pretreatment, dyeing and finishing solutions, modifying of textile fabrics, providing functional effects — sensors, conductive, camouflage, self-cleaning).

Team

Functional Dyes

& Related Materials

Extension: 118

Team leader, Senior Researcher Ist degree

Dr. eng.

Extension: 118

Senior Researcher IInd degree

Dr. eng.

Extension: 118

Senior Researcher IIIrd degree

Dr. eng.

Extension: 118

Scientific Research Assistant

Eng.

Extension: 118

Senior Researcher IIIrd degree

PhD Student

Extension: 112

Research equipment
International projects
National projects

New biocompatible products shogaol and curcuminoid-like type used as adjuvantes in cancer radiotherapy

The proposal has as a general objective the obtaining of keto-enolic derivatives of natural origin and of synthesis, used as adjuvants in cancer therapy.

New generation of photocatalytic self-cleaning systems for functionalization of technical textiles and architectural coatings

The objective of the project is to obtain stable, adherent, efficient and durable daylight photocatalytic self cleaning coatings for different types of substrates, such as flexible technical textiles and rigid construction structures.

Thermosensitive energy saving systems with tailored solar reflecting/absorbing properties for construction structures – THERMOSOLAR

Combining the features of termotropic hydrogels and thermochromic dyes we can obtain complex thermosensitive systems that respond to an increase in temperature by switching the color hypsochromically.

Results
  • Publications
  • Books
  • Conferences
  • Patents
  • Other
Publications

Raditoiu, A.; Raditoiu, V.; Raduly, M.F.; Gabor, A.R.; Frone, A.N.; Grapin, M.; Anastasescu, M.

Cellulose Fabrics Functionalized with Sol-Gel Photocatalytic Coatings Based on Iron (III) Phthalocyanine Tetracarboxylic Acids-TiO2-Silica Hybrids

Gels 2023, 9, 860. https://doi.org/10.3390/gels9110860

001114323000001

Teodorescu, G.-M.; Vuluga, Z.; Oancea, F.; Ionita, A.; Paceagiu, J.; Ghiurea, M.; Nicolae, C.-A.; Gabor, A.R.; Raditoiu, V.

Properties of Composites Based on Recycled Polypropylene and Silico-Aluminous Industrial Waste

Polymers, Volume 15, May 2023, 2545, doi.org/10.3390/polym15112545

001003561500001

A.N. Frone, D.D. Baciu, M.S. Popa, C.A. Nicolae, A.R. Gabor, F.M. Raduly, R.C. Fierascu, D.M. Panaitescu

Thermal behavior and thermo-mechanical properties of biocompatible poly(lactic acid)/allyl-POSS nanohybrids

Journal of Thermal Analysis and Calorimetry, Volume 148(20), May 2023, 10465–10479, DOI: 10.1007/s10973-023-12196-z

000980369700001

D. M. Panaitescu, M. S. Popa, F. Ciuprina, L. Enache, A. N. Frone, C. A. Nicolae, A. R. Gabor, R. Trusca, V. Raditoiu, B. Trica, M. Ghiurea

Role of polyaniline coating on nanosilica particles in polyvinylidene fluoride nanocomposites for energy storage

Surfaces and Interfaces, Volume 36, February 2023, 102546, DOI: 10.1016/j.surfin.2022.102546

000901567100001

Voicu, M.E.; Ionita, D.; Buica, G.-O.; Draganescu, D.; Anuta, V.; Raduly, F.M.; Demetrescu, I.

Characterization of Two Types of Polylactic Acid Coating Loaded with Gentamicin Sulphate Deposed on AZ31 Alloy

Coatings, Volume 13(6), June 2023, 1105, doi.org/10.3390/coatings13061105

001017030800001

A.N. Frone, C.D. Uşurelu, G.M. Oprică, D.M.Panaitescu, A.R. Gabor, C.-A. Nicolae, F. Ciuprina, C.M. Damian, F.M. Raduly

Contribution of the Surface Treatment of Nanofibrillated Cellulose on the Properties of Bio-Based Epoxy Nanocomposites Intended for Flexible Electronics

Int. J. Mol. Sci. Volume 24(7), March 2023, 6544. doi.org/10.3390/ijms24076544

000968651600001

F. M. Raduly, V. Rădițoiu, A. Rădițoiu, A. N.Frone, C. A. Nicolae, I.Răut, M. Constantin, M. Grapin

Multifunctional finishing of cotton fabric with curcumin drivatives coatings obtained by sol-gel method

Gels, Volume 9(5), April 2023, 369, doi.org/10.3390/gels9050369

001017819800001

D. Dimonie, M. Dragne, B. Trica, C.-A. Nicolae, M. Raduly, S. Doncea, M. Ladaniuc, A. Mustatea, F. Miu, L. Soare, T. Georgescu

New Biodegradable Materials for Re-Thought Packaging from Pre-Consumer Wastes by Controlling the Storage Time as Method to Increase the Mechanical Recycling Efficiency

Materials, Volume 16, February 2023, 1503. doi.org/10.3390/ma16041503

000941555500001

V. Purcar, V. Rădițoiu, F. M. Raduly, A. Rădițoiu, S. Căprărescu, A. N.Frone, R. Somoghi, M. Anastasescu, H. Stroescu, C. A. Nicolae

Influence of Perfluorooctanoic Acid on Structural, Morphological, and Optical Properties of Hybrid Silica Coatings on Glass Substrates

Applied Sciences, Volume 13(3), January 2023, 1669, doi.org/10.3390/app13031669

000929300200001

F.M. Raduly, V. Rădițoiu, R.C. Fierăscu, A. Rădițoiu, C.A. Nicolae, V. Purcar

Influence of Organic-Modified Inorganic Matrices on the Optical Properties of Palygorskite–Curcumin-Type Hybrid Materials

Crystals, Volume 12, July 2022, 1005, doi.org/10.3390/ cryst12071005

000833368000001

Books

Valentin Raditoiu, Irina Elena Chican, Alina Raditoiu, Irina Fierascu, Radu Claudiu Fierascu, Petronela Fotea

Application of Fourier-Transform Infrared Spectroscopy (FTIR) for the Study of Cultural Heritage Artifacts

In: VR Technologies in Cultural Heritage, Part of the Communications in Computer and Information Science book series (CCIS, volume 904), SpringerOpen 2019, https://doi.org/10.1007/978-3-030-05819-7

978-3-030-05818-0

Radu Claudiu Fierascu, Petronela Fotea, Cristian-Andi Nicolae, Valentin Raditoiu, Stefan Ovidiu Dima, Irina Fierascu

Characterization of wood artifacts

Practical examples regarding the valorization of cultural heritage through archaeometry studies using nuclear techniques and other scientific methods, Printech Publishing House, Bucharest 2018, Chapter 3, pages 97-134

978-606-23-0889-6

Radu Claudiu Fierascu, Petronela Fotea, Cristian-Andi Nicolae, Valentin Raditoiu, Marius Ghiurea, Raluca Somoghi, Elvira Alexandrescu, Irina Fierascu

Characterization of historical textiles

Practical examples regarding the valorization of cultural heritage through archaeometry studies using nuclear techniques and other scientific methods, Printech Publishing House, Bucharest 2018, Chapter 2, pages 57-94

978-606-23-0889-6

Raluca Somoghi, Bogdan Trica, Violeta Purcar, Radu Claudiu Fierascu

Study of wood artifacts by microscopy

In: Valorification of cultural heritage through archaeometry studies using nuclear techniques and other scientific methods, Printech Publishing House, Bucharest 2018, Chapter C.5, Pages 109-114

978-973-0-27114-0

Valentin Raditoiu, Alina Raditoiu, Monica Raduly

Study of wood artifacts by Fourier transform infrared spectroscopy

In: Valorification of cultural heritage through archaeometry studies using nuclear techniques and other scientific methods, Printech Publishing House, Bucharest 2018, Chapter C.3, Pages 87-94

978-973-0-27114-0

Raluca Somoghi, Bogdan Trica, Violeta Purcar, Irina Fierascu

Study of historical textiles by microscopy

In: Valorification of cultural heritage through archaeometry studies using nuclear techniques and other scientific methods, Printech Publishing House, Bucharest 2018, Chapter B.5, Pages 57-62

978-973-0-27114-0

Valentin Raditoiu, Alina Raditoiu, Monica Raduly

Study of historical textiles by Fourier transform infrared spectroscopy

In: Valorification of cultural heritage through archaeometry studies using nuclear techniques and other scientific methods, Printech Publishing House, Bucharest 2018, Chapter B.3, Pages 41-50

978-973-0-27114-0

Conferences
Patents

V. Raditoiu, V. Amariutei, A. Raditoiu, F.M. Raduly, L.E. Wagner, D. Parsu, L. Parsu, M. Parsu

Water soluble photocatalytic film compositions and process for obtaining them

133149

A. Nuta, V. Raditoiu, A.A. Sorescu, R.M. Ion

Process for preparing of some fluorophores derived of 3-substituted benzocumarin

131042

V. Raditoiu, L. Wagner, A. Raditoiu, V. Amariutei, M.F. Raduly

Process for producing some mesogenic azomethine-azoic esthers

127644

V. Raditoiu, V. Amariutei, A. Raditoiu, L. Wagner, P. Ardeleanu

Process for coating textile fibres with some organic-inorganic hybrids containing nonionic chromogens in sol-gel systems

125316

Valentin Raditoiu, V. Amariutei, L.E. Wagner, A. Raditoiu

Process for dyeing natural and synthetic blends with nonionic chromogens

122679

V. Raditoiu, L. Wagner, A. Raditoiu, P. Ardeleanu

Thermochromic systems with xantenic dyes

122288

V. Raditoiu, L. Wagner, A. Raditoiu, P. Ardeleanu, A. Athanasiu, C. Alifanti, T. Bonte

Process for preparing 2-naphthalenol

121263

V. Raditoiu, L. Wagner, A. Raditoiu, E. Ionita, V. Balteanu

Aqueous disperse systems of organic pigments and process for the preparation thereof

120266

P. Ardeleanu, V. Raditoiu, A. Athanasiu, L. Wagner, S. Serban, A. Raditoiu

Tracer composition for making and tracking the primary heating medium losses by using said tracer composition

119195

V. Raditoiu, A. Athanasiu, P. Ardeleanu, L. Wagner, A. Raditoiu, E. Ionita, D. Anastase

Process for producing an azoic pigment as a barium salt

116730

Other

Valentin Rădiţoiu, Alina Rădiţoiu, Florentina Monica Raduly, Luminiţa Eugenia Wagner, Georgiana Cornelia Ispas, Violeta Purcar, Raluca Manea

Water-soluble film-forming materials with photocatalytic effect on irradiation with natural or artificial light and process for obtaining them @ ISIF 2023, Gold Medal

Florentina Monica Raduly, Valentin Rădiţoiu, Alina Rădiţoiu, Violeta Purcar, Andreea-Mălina Bivolaru, Iuliana Răut, Mariana Constantin

Process for functionalization of natural cellulosic fibers with antimicrobial compositions with selenium nanoparticles @ INNOVERSE 2023 – Gold Medal, other awards

Valentin Rădiţoiu, Luminiţa Eugenia Wagner, Alina Rădiţoiu, Viorica Amariuţei, Florentina Monica Raduly, Dumitru Pârșu, Lenuța Pârșu, Mihai Pârșu

Water-soluble thermochromic film-forming compositions for construction structures and their obtaining process @ INTARG 2023 – Gold Medal

Dr. ing. Florentina Monica Raduly, Dr. ing. Valentin Raditoiu, Dr. chim. Radu Claudiu Fierascu,

Biomimetic Materials Used to Increase the Quality of Life

Dr. chim. Radu Claudiu Fierascu, Dr. ing. Florentina Monica Raduly

Hybrid Organic-Inorganic Materials used to Improve the Environment and Human Health

Materials (MDPI) – Guest Editor: Valentin Raditoiu

Special Issue: Nano-Composite Coatings : processing, Characterization, Properties and Applications

Coatings (MDPI) – Guest Editor: Violeta Purcar

Special Issue: Novel Approaches to Hybrid Films or Coatings

Coatings (MDPI) – Guest Editor: Valentin Raditoiu

Special Issue: Multifunctional Antireflective Coatings and Nanocomposites