Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Johannis Simitzis"'
Autor:
Pantelitsa Georgiou, Johannis Simitzis
Publikováno v:
Electrocatalysis. 13:838-852
Publikováno v:
Environmental Quality Management. 29:155-168
Autor:
Johannis Simitzis, Sophia Karamanou
Publikováno v:
Journal of Materials Science. 52:113-137
Electrically conducting copolymers of 3-octylthiophene and biphenyl in equimolar ratio were synthesized and also homopolymers for comparison reasons by potentiostatic electropolymerization, and the polymers were deposited as coatings. Based on variou
Publikováno v:
Macromolecular Symposia. :137-143
Summary Multifunctional polymeric matrix composites combining proper mechanical properties with thermal insulating properties were manufactured. Such new composites consist of carbon fibers in low volume proportion (15% v/v), novolac resin as matrix,
Publikováno v:
Journal of Applied Polymer Science. 130:1466-1478
The electropolymerization of 4-phenoxybenzoic acid (4-PBA) onto carbon fibers (CFs) was studied as a way to synthesize coated CFs with grafted poly(para-phenyl ether ketone) (p-PEK) and enhance their wettability by matrices such as PEK or PEEK. Since
Publikováno v:
Polymer Degradation and Stability. 97:2091-2103
Copolyesters of glycolic acid combined with adipic acid and 1,4 butanediol were synthesized, their in vitro hydrolytic degradation was studied and correlated with their structure. The hydrolytic degradation of the copolyesters was directly related wi
Publikováno v:
Journal of Applied Polymer Science. 125:1928-1941
Copolymer films of biphenyl and pyrrole were synthesized by electrochemical polymerization. The influence of the applied potential used for the electropolymerization on the structure, morphology, electrical conductivity, and stability of the films wa
Publikováno v:
Journal of Applied Polymer Science. 121:1890-1900
Composites of phenolic resin of novolac type as matrix, with metal particles of Zn as conducting filler, without or with 15% v/v carbon fibers were manufactured by hot pressing. The porosity ratio, the hardness, the flexural and shear strength, and t
Autor:
G. Tsangaris, L. Zoumpoulakis, E. Manolopoulos, Johannis Simitzis, Spyridon Soulis, Despina Triantou
Publikováno v:
Journal of Applied Polymer Science. 120:1984-1993
Unsaturated polyesters with maleic acid and different molar ratio of phthalic anhydride to adipic acid were produced, mixed with styrene, and cured. The degree of double bonds conversion, determined by differential scanning calorimetry (αDSC), indic
Publikováno v:
Key Engineering Materials. 446:23-31
Carbonaceous materials have been obtained by pyrolysis of composites based on olive stones biomass, novolac resin as binding agent, with or without an aromatic compound (naphthalene). The pyrolysis residue at 1000 °C is 40 w% and its electrical cond