This paper is devoted to one of the most pressing problems of modern non – metallic materials science-chemical modification of thermosetting systems based on epoxy oligomers with active diluents and bismaleimides: polymer binders for reinforced plastics, adhesives, compounds, sealants, and protective paint coatings. Based on the analysis of domestic and foreign scientific literature, as well as patents for inventions, a conclusion was made about the prospects for further research in this direction. The use of these types of modifiers can increase the chemical resistance, crack resistance, strength, impact strength, heat resistance and other valuable properties of polymer composite materials (PCM) based on an epoxy polymer matrix.
The main physico-chemical, thermomechanical and strength characteristics of the epoxy-vinyl-ester polymeric matrixes of the VSV-41 and VSV-43 brands developed at FSUE «VIAM» are considered. It is established that the time of technological viability of these polymeric matrixes in the temperature range of 20–25 °C is 120–130 minutes, which allows them to be processed into products made of polymer composite materials (PCM) of sufficiently large dimensions. Infusion polymeric matrixes of the VSV-41 and VSV-43 brands have similar bending strength indicators, but PCM based on the VSV-43 polymeric matrix have a wider range of operating temperatures. Based on these polymeric matrixes, carbon fiber of the VKU-51 brand, as well as fiberglass of the VPS-58 and VPS-60R brands were developed and certified. In addition, they are used in the manufacture of sheet pilings and supports of arched elements, as well as profiled flooring of structures of a quickly built arch bridge made of composite materials, built in the settlement of Yazykovo in the Ulyanovsk region.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.