ANTI-CORROSION COATINGS BASED ON RECYCLED POLYPROPYLENE AND FILLERS

The article deals with the issues of obtaining anti-corrosion compositions for corrosion protection of oil pipelines. The purpose of this study was to develop effective compositions of anti-corrosion coatings based on recycled polypropylene (PPrc), cotton soap stock, vegetable filler - guzapay; mineral filler wollastonite and montmorillonite (MMT). The proposed process of chemical interaction of the initial compounds in the prescription modification of the soap stock, in the extruder. The authors obtained a new composite of the following composition (wt. %: vegetable filler - guzapaya - 35; mineral filler - wollastonite: MMT (1: 1) - 5; sevilen - 8; soap stock - 30; PPrc - the rest. The composite composition has high performance indicators on the following positions: breaking stress in bending increased by 15-17%; shear strength increased by 10-12%; tensile strength increased by 6-8%; indentation hardness under a given load of the ball increased by 15- 20% impact strength increased by 15-17%, shrinkage during casting decreased by 30-35%. It to protect against corrosion of the main oil pipeline. This composition of the composite is selected on the basis of available and relatively inexpensive components, polyethylene rich, vegetable and mineral fillers.