FIELD: chemistry.
SUBSTANCE: invention relates to a method for gas-phase polymerisation of olefins. The method for gas-phase polymerisation of one or more α-olefins in the presence of a polymerisation catalyst includes at least a polymerisation step, where polymer particles move downwards in dense form under the force of gravity such that a dense polymer layer forms, feeding anti-clogging material to said polymerisation step through at least N feed lines situated at different levels of said dense polymer layer, where N is an integer which satisfies the condition N≥(1+0.08·H), and H is the height (expressed in metres) of the polymer layer.
EFFECT: continuous release of the polymer from the reactor, preventing aggregation of the polymer in the gas-phase reactor, achieving a high level of incorporation of the antistatic agent.
10 cl, 1 dwg, 5 ex
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