ABSTRACT

Ocr - critical defect size; Ais - impact strength; ArAO - aromatic antioxidant; C - concentration; Co - index of statistical chain flexibility; C0 - "seed" density; DSC - differential scanning calorimetry; DTA-differential thermal analysis; D - diffusion coefficient; D' - fractal dimensionality of chain parts between junction points; D1-dimensionality of domains with excess local energy; d-dimensionality of Euclidean space; d1 - fractal dimensionality; E-modulus of elasticity; ETOo-activation energy of thermo-oxidative degradation; PhAO -antioxidant of phenolic type; F -functionality of junction points in molecular engagement network; Jj-fluctuating free volume; InH-inhibitor of kinetic oxidative chains, In"- free radical; K-rate constant; K1c - intensity stress coefficient; CEC - crystallites with extended chains; Kx-ray ~degree of crystallinity from X-ray data; Kp - degree of crystallinity from density data; L - length of macromolecule; M-molecular weight; Meng - molecular weight between engagement points in fluctuating network of molecular engagements;

Mw -weight-average molecular weight; Nh - number of micro cavities per volume unit of composites; MFI (!){- melt flow index; (X-temperature, Y-load); P01 - permeability coefficient for oxygen; RH-polymer, R"- polymeric radical; ROOH-polymer containing hydroperoxide groups; RO" H Ro; - alkoxy and peroxy macroradicals; S,- quantitative effectiveness criteria of non-chain stabilization; G - shear modulus; Red - reducing agent; TOD -thermo-oxidative degradation; cr-stress; cry-tensile yield stress; O'ts-tensile strength; t - induction period; to-relaxation time; Vc1 - density of cluster network formed by engagement between macromolecules; Z-non-chain inhibitor, acceptor of oxygen (Z = Fe/FeO) ; f3 - critical index; Cl>ci - relative fraction of clusters; v - Poisson coefficient; tg8 - loss-angle tangent; E' - dielectric constant;