The Manufacturing of Composite Materials in the Matrix of Modified Phenol-Formaldehyde Resins
| 1 | Department of Chemical Technology of Plastics Processing, Lviv Polytechnic National University, Bandera 12 St., 79013 Lviv, Ukraine |
| 2 | Department of Polymer Processing, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36 St., 20-618 Lublin, Poland |
| 3 | Department of Mechanical Engineering Technologies and Materials, Faculty of Mechanical Engineering Technical University of Košice, Masiarska 74 St., 04001 Košice, Slovakia |
| 4 | Łukasiewicz Research Network – Institute for Engineering of Polymer Materials and Dyes, M. Skłodowska-Curie 55 St., 87-100 Toruń, Poland |
CORRESPONDING AUTHOR
Volodymyr Krasinskyi
Department of Chemical Technology of Plastics Processing, Lviv Polytechnic National University, Bandera 12 St., 79013 Lviv, Ukraine
Department of Chemical Technology of Plastics Processing, Lviv Polytechnic National University, Bandera 12 St., 79013 Lviv, Ukraine
Publication date: 2021-12-01
Adv. Sci. Technol. Res. J. 2021; 15(4):267–272
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ABSTRACT
The work develops the method of obtaining new composite materials based on novolac phenol-formaldehyde resin with improved adhesion properties and heat resistance. The composites were obtained by chemical modification of phenol-formaldehyde resin by epoxy resin and polyvinylpyrrolidone during the hardening of the composition. The mechanism of resins modification and hardening has been determined. It is shown that due to the modification, the heat resistance and adhesive strength of the obtained enamels and coatings have significantly increased. In particular, with the polyvinylpyrrolidone content from 0.5 to 1 wt% and epoxy resin from 25 to 50 wt%, the adhesive strength of the compositions increases 5-7 times.
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