POLYMERIC COMPOSITE MATERIAL Russian patent published in 2000 - IPC

FIELD: chemistry of polymers. SUBSTANCE: described is polymeric composite material comprising thermoplastic polymer and light stabilizing mixture. Light stabilizing mixture is mixture consisting of sterilely hindered acid phosphite, high molecular sterilely hindered amine and low molecular sterilely hindered amine, ratios of components being as follows, wt parts: thermoplastic polymer, 100; sterilely hindered acid phosphite, 0.01-1.0; high- molecular sterilely hindered amine, 0.01-1.0; low- molecular sterilely hindered amine, 0.01-1.0. EFFECT: material having higher resistance to ultraviolet radiation. 2 cl, 13 ex, 1 tbl