Sheet moulding compound and a top for it
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United States of America Patent
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-
May 22, 1990
Issued Date -
N/A
app pub date -
Aug 25, 1988
filing date -
Feb 27, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a sheet moulding compound (SMC) comprising a basic layer consisting of thermosetting material, fillers, fibres and customary additives, one side of which is provided with two layers, an intermediate layer and a top layer, the intermediate layer of which lies against the basic layer, the intermediate layer comprising at least fibre reinforcement and thermosetting material in a partly cured state and the top layer comprising the same or a different thermosetting material, which is in a cured state to a smaller extent than the first layer. The invention relates also to a sheet-shaped product that can be applied as an upper layer for a moulding compound like a SMC, BMC and DMC, that consists of the above described intermediate layer and top layer.
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