Valdis KALKIS

Associate Professor Valdis KALKIS Faculty of Chemistry Department of Inorganic Chemistry Interuniversity Laboratory on Operating of Irradiation University of Latvia Raina bulv. 19 Riga, LV 1586 Latvia Phone: + 371 7 377436 Fax: + 371 7 289548 E-mail: kalkisv@mail.navigators.lv

Born: November 28, 1937, Riga, Latvia

Interests:

• Radiation Chemistry of Polymers, Theory and Practice
• Applied Radiation Chemistry
• Radiation-modified Polymers, Thermosetting Materials
• Heterogeneous Polymer Composites, Liquid-crystalline Polymers
• Physics and Mechanics of Polymeric Materials
• Polymer Testing

Physical-chemical aspects to ensure the formation of adhesive and thermally stable thermosetting polymer materials. Nondestructive testing methods of radiation modified and thermosetting polymers.

Languages: Latvian, Russian, English

• Riga Technical University (Faculty of Chemistry), cum laude, 1961
• Dr.chem. (Candidate of Science in former USSR system, Ph.D. in Western countries), Institute of Physical Chemistry, Moscow, Russsia, 1972
• Dr.habil.chem., University of Latvia, Latvia, 1998

• Chief Engineer of Department of Radiochemistry, Latvian Nuclear Reactor, 1961-1967
• Senior Researcher, Institute of Wood Chemistry, Latvian Academy of Science, 1967-1973
• Senior Researcher, Faculty of Chemistry, University of Latvia, 1973-1980
• Associate Professor, Faculty of Chemistry, University of Latvia, 1980-
• Head of the Department of Inorganic Chemistry, University of Latvia 1989-1997

• Exhibition of Achievements of National Economy of USSR, Silver Medal, 1974

• Member, of Habilitation and Promotion Council of the Institute of Polymer Mechanics, 1998-
• Member of Habilitation and Promotion Council (Chemical Technology), Riga Technical University, 1998-
• Member, Latvian Council of Science Expert Committee (Scientific Principles of Technology: Materials, Chemistry and Pharmacy), 1996-
• Member, Latvian Material Research Association, 1999

• Polymer Chemistry, 1980-
• Household and Practice Chemistry, 1990-
• Work Safety and Environment Protection, 1973-
• Basic of the Radiation Chemistry of Polymers, 1998-
• Physics and Mechanics of Polymers, 1999-

• V.Kalkis, J.Zicans, M.Kalnins, T.Bocoka, A.Bledzki. Studies of Morphology, Rheological, Mechanical and Thermorelaxation Properties of Chemically and Radiation modified Polyethylene/Ethylene-Propylene-Diene Copolymer Blends. - J. Macromol. Sci., 1998, A 35(&8), pp.1217-1237.
• V.Kalkis, R.D.Maksimov, J.Zicans. Thermomechanical Properties of Radiation-Modified Blends of Polyethylene with Liquid Crystalline Copolyester. - Polymer Eng. and Science, 1999, vol. ……, pp.1375-1382.
• V.Kalkis, M.Kalnins, J.Zicans. Application of Ultrasonic Method for the Control of Thermosetting Polymer Materials. - Mechanics of Composite Materials, 1997, vol.33, N 3, pp.394-407.
• V.Kalkis, A.Viksne, J.Zicans, A.K.Bledzki. Heat shrincable Film on the base of Polyolefin Wastes. - Die Angew. Makromol. Chemie, 1997, vol. 249, N 4351, pp.151-160.
• V.Kalkis, R.D.Maksimov, J.Zicans. Features of Thermomechanical Properties of Radiation-Modified Blends of high-density Polyethylene with Liquid-Crystalline Copolyester. -Mechanics of Composite Materials,. 1998, vol.34, N 1, pp.94-105.
• V.Kalkis, J.Zicans, M.Kalnins, A.Bledzki. Use of Acoustic Methods for the determination of the Absorbed Dose and Thermosetting Qualities of Oriented Polymers modified by Ionizing Radiation. - Die Angew. Makromolec. Chemie, 1998, Bd. 259, Nr.4542, pp.55-60.
• O.Revjakin, J.Zicans, M.Kalnins, V.Kalkis, R.D.Maksimov. Thermomechanical properties of Radiation-Modified Polyethylene/Ethylene-Propylene-Diene Copolymer/Liguid-Crystalline copolymer Blends.- Collect. Czech. Chem. Commun., 1999, vol. 64, pp.1180-1192.
• T.Ivanova, J.Zicans, V.Kalkis, A.Bledzki. Features of Properties of Radiation-Modified Binary Blends of Polyethylene with Hlorinated Polyethylene.- Journal of State Academy of Light Industry of Ukraine (in Russian), 1999, vol.1, pp.145-148.
• O.Revjakin, J.Zicans, M.Kalnins, V.Kalkis. Properties of composites based on post-consumer poly(ethylene terephtalate) and polypropylene. - Polymer Recycling, 1999, vol.4, N1, pp.33-39.
• V.Kalkis, R.D.Maksimov, M.Kalnins, J.Zicans, T.Bocoka, O.Revjakin. Thermomechanical and adhesive properties of radiation-modified polymer composites foe thermosetting materials. - Mechanics of Composite Materials (Kluwer Academic/Plenum Publishers), 2000, vol. 36, N 3, pp. 223-232.
• T.Ivanova, T.Bocoka, J.Zicans, V.Kalkis, M.Kalnins. Properties of radiation-modified blends of polyethylene with elastomers  and liquid crystalline copolyester. - Macromolecular Symposia, 2001, vol. 170, pp. 105-113.
• D.Pizele, T.Ivanova, R.Merijs Meri, J.Zicans, V.Kalkis. Physical properties ofthe low density polyethylene (LDPE)/ethylene-alpha-octene copolymer (EOC) blends. - Proc. Baltic Polymer Symposium 2003, Riga: RTU, 2003, pp. 194-198.

• V.Kalkis (Head of Project). The New Radiation-Modified Polymeric Thermosetting Materials, Adhesive and Thermally stable, and Resistant in Aggressive Environments. Latvian Council of Science (1992-1996).
• V.Kalkis (Head of Project). Investigation of the Deformation and Chemical Features of the Radiation-Modified Polymercomposite for Creation of Thermosetting Materials from the Economically Convenient Materials with Prognostic Exploitation Properties. Latvian Council of Science (1996-2000).
• V.Kalkis (Head of Project). Investigation of the Mechanical Properties of the Radiation- Modified Polymeric Thermosetting Materials and Determination its Long-Term Exploitation Resources. Latvian Council of Science (2001 - 2004).
• V.Kalkis (Head of Project). New Thermosetting Materials of the Radiation-Modified Polymeric Blends and Waste , Its Safety Perfection. Latvian Council of Science (2001 -2004).
• V.Kalkis (Head of Project). Application of High Energy Chemistry and Its Process for Development of Multiphase Polymer Composite Materials and Qualities Modification. Latvian Council of Science (2005 - ).
• V.Kalkis (Head of Project).   Radiation and Chemical Modification of Multiphase Polymer Structure Using Functional Monomers as Crosslinking Promoters. Latvian Council of Science (2005 - ).
• V.Kalkis (Head of Project). Investigation of the physical and mechanical properties of radiation-modified multicomponent polymer materials. Latvian Council of Science (2005 - ).

Last update 08.09.2004