C9 Polymeric Petroleum Resin is a Fibreboard Modifier

Waste and by-products formed and accumulated at the enterprises of the petrochemical industry are numerous and various in qualitative and quantitative terms. A problem solution of processing and use of this waste is inextricably linked with the protection of the environ-ment from pollution, the integrated use of raw materials. This helps to increase the produc-tivity of technological processes, a more complete and efficient use of chemical raw materi-als. Numerous wastes of petrochemical industries, which include the companies producing synthetic rubbers, contain a large number of compounds with different reaction activity. These compounds can serve as a valuable raw material for organic synthesis, and obtain polymeric materials that can be used in the manufacture of paints, composites for various purposes, impregnating compositions, etc. The paper describes the possibility of using pol-ymeric petroleum resin based on C9 fraction for the protective treatment of fibreboards. The research is carried out using the experimental design technique according to the Graeco-Latin square design of order 4. The experimental results are processed using the computing means. As a result the regression equations are derived which describe the influence of the basic technological process parameters on the properties of the fibreboard samples. The im-pregnated fiberboard by petroleum resin can improve water-repellent properties and flexural strength. The best results of fiberboards have been achieved at the temperature of impregna-tion of 80 °C, the temperature of heat treatment of 170 °C and duration of heat treatment for 5 hours. The treatment of fibreboards by modified polymeric petroleum resin can effectively protect them from the adverse effects, extend the service life of the products.