FIELD: metallurgy.
SUBSTANCE: invention relates to a powder composition of polyarylene ether ketones which can be used to produce an article and is suitable for laser sintering. Composition contains from 99.6 to 99.99 wt. % of at least one powder of at least one polyarylene ether ketone and from 0.01 to 0.4 wt. % hydrophilic agent increasing flowability. Hydrophilic agent is inorganic pigments selected from silicon oxides and aluminum oxides and is characterized by increasing weight (amount of absorbed water) after 5 days of exposure at 95 % relative humidity over 0.5 %. At that, said weight increase of the agent increasing flowability is determined by Karl Fischer measurement by desorption of water as a result of treatment for 15 minutes at 170 °C.
EFFECT: technical result consists in production of powder composition, which allows to achieve excellent balance between flow and adhesion of powder.
9 cl, 3 dwg, 4 ex, 2 tbl
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