SIMONA DONŢU*, TEODORA BREZEANU*, ESOFINA RISTICI*, C. COTÎRLAN*, D. SAVASTRU*, M. RISTICI** , ELEONORA NEMEŞ***, ELENA GROSU***, C. OPRAN****

*National Institute of C&D for Optoelectronics INOE-2000, Bucharest
**Faculty of Physics, University of Bucharest
***National Institute of C&D for Plastics – INCERPLAST, Bucharest
****“Politehnica” University, Bucharest

Abstract. Advances at the plastics manufacturing level in such areas as co-extrusion and the production of specialty polymers and additives, result in the availability of plastics with improved characteristics. We have produced an agricultural photo-selective three layer co-extrusion film, manufactured at a thickness of about 200 µm. The film was made from different types of LDPE and LLDPE for each layer, and special chemical additives were incorporated into the polymers matrixes.

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