BALLISTIC RESISTANT SHEET AND BALLISTIC RESISTANT ARTICLE

The invention relates to a ballistic resistant sheet comprising a stack of at least 4 monolayers, each monolayer containing unidirectionally oriented reinforcing fibres with a tensile strength of between 3.5 and 4.5 GPa, and at most 20 mass % of a matrix material, the areal density of a monolayer is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JONGEDIJK MARCEL M, MARISSEN ROELOF R, HOEFNAGELS HEN H, ES VAN MARTIN ANTONIUS M.A
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a ballistic resistant sheet comprising a stack of at least 4 monolayers, each monolayer containing unidirectionally oriented reinforcing fibres with a tensile strength of between 3.5 and 4.5 GPa, and at most 20 mass % of a matrix material, the areal density of a monolayer is at least 25 g/m2 and with the fibre direction in each monolayer being rotated with respect to the fibre direction in an adjacent monolayer. The invention further relates to a ballistic resistant moulded article, i.e. a shaped part, comprising at least two ballistic resistant sheets according to the invention, which may be used as, for example, a panel for use in e.g. a vehicle, especially a curved panel, a hard insert e.g. for use in protective clothing and bullet resistant vests, etc. The ballistic resistant moulded article optionally may have a ceramic or a metal strike face. The ballistic resistant moulded article according to the invention offers protection against ballistic impacts such as bullets and ballistic fragments.