Bezbakh O. Development of modified corrosion resistant polymer-composite filming for the protection of vehicles

It suggests the modified 4,4'-methylenebis(2-methoxyaniline) epoxide matrix with improved in complex adhesive, physical and mechanical, thermophysical properties which is recommended to be used in the form of binder for protective filming with the purpose of vehicle parts regeneration. By means of using statistical theory methods the composition of adhesive and functional layers of filming with micodisperse fillers and discontinuous fibers for improved filming with better anti-corrosion properties have been optimized. The use of such a filming provides for the reduction of aggressive environment penetration in comparison with modified epoxide matrix. The rate of the reduction totals in 1,5…1,7 times when exploited in oil and petrol; 1,6…1,8 times when exploited in sea water, acetone or NаOH solution (50 %)); 3,0 and 2,5 times when exploited in 10% solutions of hydrochloric acid and sulphuric acid correspondingly. Chemical hardening of filming as compared to the matrix is achieved due to the fact that its cohesive hardness is also increased. This fact presupposes the increase in the way of corrosive agents’ molecules penetration in the process of their diffusing into the scope of composite where there are some additives available. These new materials which were specifically developed for the improvement of corrosion resistance of protective filmings are characterized by the improved properties if compared to known analogs. The composite material, filming and technological procedure of its formation and application was introduced at enterprise «Mechanika Pojazdow» (Gniezno , Poland). This enabled to increase the indexes of physical and mechanical properties in 1,4…1,6 times, and the indexes of corrosion resistance in 2,1…2,3 times if compared to traditional protective filmings.