Expandable plastics granular material having at least one orifice
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United States of America Patent
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Nov 4, 1986
Grant Date -
N/A
app pub date -
Jan 28, 1986
filing date -
Jan 30, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a plastics granular material of foamable particles which are derived from a star-shaped basic body with at least three limbs lying in a plane, the particles having at least one orifice. Preferably, these granular material particles are provided with three limbs and each limb is provided with an orifice. Furthermore, the invention has as its subject a packaging material which is obtained by foaming of the said plastics granular material. This packaging material displays a lower bulk density, improved pourability with simultaneously improved packing effect (good packaging properties, large void volume).
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