2021 (2) 5
https://doi.org/10.15407/polymerj.43.02.113
Investigation of the composite materials photopolymerization efficiency in the hree-dimensional 3D printing objects formation
V.G. Sisyk,
Institute of macromolecular Chemistry NAS of Ukraine, 48, Kharkivske shose, Kyiv, 02160, Ukraine,
ОRCID: 0000-0003-4371-337X
e-mail: sisyk.valentina@gmail.com
V.M. Granchak,
L. V. Pisarzhevskii Institute of Physical Chemistry of the NAS of the Ukraine, Prospekt Nauki 31, Kyiv, 03028, Ukraine,
ORCID: 0000-0003-3662-3093
A.V. Dorozhinskaya,
L. V. Pisarzhevskii Institute of Physical Chemistry of the NAS of the Ukraine, Prospekt Nauki 31, Kyiv, 03028, Ukraine,
L.I. Zel,
Institute of macromolecular Chemistry NAS of Ukraine, 48, Kharkivske shose, Kyiv, 02160, Ukraine,
ORCID: 0000-0002-0663-8262
N.G. Ugro,
Institute of macromolecular Chemistry NAS of Ukraine, 48, Kharkivske shose, Kyiv, 02160, Ukraine,
ORCID: 0000-0003-4729-4512
Polym. J., 2021, 43, no. 2: 113-122.
Section: Structure and properties.
Language: Ukrainian.
Abstract:
The development and investigation of photopolymerization composite (PhPC) materials with improved photochemical and physical-mechanical properties, providing the possibility of using them during image formation processes in 3D printing technologies, have been carried out. The effect of the nature and amount the polymerization composition constituents on the photocuring of urethane methacrylate and etheracrylate oligomers with the inclusion of organosilicon modifiers, as well as tertiary aminemethacrylates in the process of their irradiation with LED lamps of different wavelengths in the presence of photoinitiators, has been investigated. The effect of the nature and amount of photoinitiators on the optical and polymerization properties of materials and coatings was studied using a PLAZMON-71 spectrometer. According to the results of the calculated photopolymerization kinetic parameters (rate, induction period), it was found that the composition containing the photoinitiators Irgacure 819 (2%), Darocur 1173 (1%), as well as tertiary aminemethacrylate (5%) provides a high polymerization rate and a slight induction period among the investigated compositions. The surface plasmon resonance method allows to determine and control the rate of composite materials photocuring during forming images in 3D printing technology. The possibility of regulating the photochemical and operational characteristics of the constructed nanocomposite materials with the inclusion of organosilicon modifiers in the composition according to their purpose in technological processes of stereolithographic recording of 3D information during printing volumetric images is demonstrated.
Key words: photopolymerization, modifier, photoinitiator, photoactivity, surface plasmon resonance, kinetics, organosilicon oligomer, stereolithography, 3D printing.
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