COPOLYMER OF PROPYLENE WITH ETHYLENE WITH INCREASED THERMOOXIDATIVE STABILITY

The invention concerns the chemical industry. Its objective is preparation of a copolymer of propylene with ethylene with increased thermo-oxidative stability. This objective is achieved by using a copolymer of propylene with ethylene with low index of melt flow and synergic mixture of a phenolic st...

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Hauptverfasser: JELINEK JAROMIR ,CS, ARENDAS PETER ,CS, KRIVOSIK IVAN CSC.,CS, KLIMESOVA JITKA ,CS, ABSOLON FRANTISEK ,CS
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention concerns the chemical industry. Its objective is preparation of a copolymer of propylene with ethylene with increased thermo-oxidative stability. This objective is achieved by using a copolymer of propylene with ethylene with low index of melt flow and synergic mixture of a phenolic stabiliser, ester of thiodipropionic acid, calcium stearate black and phenyl phosphites.The invention can be used in the plastics industry, in construction, in the chemical industry, in agriculture and in water management and forestry.