Contents: Mechanism of stereoregulation in Diene polymerisation on lanthanide catalytic systems; On the compatibility of low-density polythene/hydrolysed collagen blends; The influence of hydrodynamics on the liquid stream's motion on the regime of work of tubular turbulent apparatuses; FTIR monomer conversion analysis of dental resins; The effects of coalescing additives on the MFFT of vinyl acetate -- dibutyl maleate copolymer; Modification of thermal characteristics of polypyromellitimide films; Formation and properties of a catalyst based on sodium and potassium hydroxides in the reaction...