‘’ANALYSIS AND CHARACTERIZATION OF U.V STABILIZED METALLOCENE CATALYSED LLDPE FILMS WITH CONVENTIONAL ZEIGLAR-NATTA LLDPE”

PLASTICS ENGINEERING

The development of new polyolefins based on metallocene technologies represents a considerable advance in the performance of polyethylene available for a wide range of applications.. The development and progress of the last decade in single-site metallocene catalyst technology finally indicate that the advancing polyolefin industry has moved. The value of metallocene grades of polyethylene compared conventional polyethylene has been examined in UV stabilized film formulations. The exposure to U.V light induces photo degradation in films and causes deterioration of the polymer. Hindered amine Light stabilizers are the best in class to resist the U.V degradation to a considerable level. The mLLDPE stabilized with 0.5 % HALS 2 systems gave extra ordinary resistance to UV degradation proves that the metallocene catalyst can be a much prone replacement for the conventional LLDPE films that can be used for external applications like in agricultural films, outdoor packaging etc. Also we can optimize that the 1% HALS 1 can be the better formulated UV stabilizer for the conventional LLDPE resins.

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