Composite Articles Comprising In-Situ-Polymerisable Thermoplastic Material and Processes for their Construction
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United States of America Patent
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Issued Date -
Mar 11, 2010
app pub date -
Jul 18, 2007
filing date -
Jul 19, 2006
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Abandoned
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Abstract
A process for the manufacture of a composite article is described wherein the process comprises the steps of (i) providing on a tool (22) a fibrous material (14) having associated therewith in at least one region thereof an in-situ polymerisable non-fibrous form of a thermoplastic material; (ii) applying heat and a vacuum to said material; and additionally (iii) drawing into the fibrous material, from a source external to the tool, additional thermoplastic pre-polymer material. The process described is particularly useful for the manufacture of a large composite structure such as thermoplastic composite wind turbine blade, for example.
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