ch. 1. Introduction -- ch. 2. Basic raw materials for the production of linear polyurethanes -- ch. 3. Reaction mechanisms occurring in the polyurethane production process -- ch. 4. General kinetic model for the diisocyanates and polyols polyaddition process -- ch. 5. Principal reactions utilised in the polyurethane technology -- ch. 6. Manufacturing methods for polyurethane elastomers -- ch. 7. Non-isocyanate methods for the synthesis of N-substituted linear polyurethanes -- ch. 8. Determination of molecular weights of linear polyurethanes by gelpermeation chromatography (GPC) and mass spectrometry (MS) methods -- ch. 9. Polyurethane ionomers -- ch. 10. Examples of copolymers with linear polyurethanes -- ch. 11. Microphase separation in polyurethane elastomers. Glass transition temperatures : analysis of phase structures by DSC, SAXS and AFM methods -- ch. 12. Intermolecular interactions free surface energy -- ch. 13. Thermal properties of linear polyurethanes -- ch. 14. Modern trends in property programming and in applications for linear polyurethanes -- ch. 15. Conclusions.