Sjokkabsorberende, sammensatte deler av propylenpolymer, samt fremgangsmåte for fremstilling derav

摘要

Shock-absorbing propylene polymer composite moulded articles containing … …  a. a layer of thickness 0.5 to 10 mm, containing a propylene polymer of melting point 130 to 165 DEG C, …  b. an intermediate layer of thickness 0.05 to 0.5 mm of a melt adhesive based on an olefin copolymer of melting point 90 to 140 DEG C, …  c. a foam layer of thickness 3 to 200 mm having a density of 0.015 to 0.1 g/cm<3> based on a propylene copolymer of melting point 125 to 155 DEG C, …  d. an intermediate layer of thickness 0.05 to 0.5 mm of a melt adhesive based on an olefin copolymer of melting point 90 to 140 DEG C, …  e. a layer of thickness 0.5 to 10 mm containing a propylene polymer of melting point 130 to 165 DEG C. …