FIELD: chemistry.
SUBSTANCE: invention relates to processing plastics, specifically to a polyester composition for protective coating metal surfaces. A polyester composition is described, containing the following in wt %: polyethyleneterephthalate - 10.0-92.5, dimethylphthalate and/or diethylphthalate - 4.5-87.0, copolymer of ethylene with vinyl acetate - 1.5-12.0, hydroquinone - 0.1-0.8, heat stabiliser - 0.2-2.5 and talc or basalt as filler - 0.5-12.5.
EFFECT: proposed polyester composition provides 1,5 times increase in strength and 1,5-2 times increase in adhesion strength to steel at 20°C.
2 cl, 14 ex, 2 tbl
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