PREPARING AN ARTICLE OF THERMOSETTING RESIN

In the process for making a thermosetting resin article which comprises (a) impregnating an open-cell sheet with a thermosetting resin (b) applying a fibrous layer to at least one side of the sheet, (c) compressing the assembly so that the resin impregnates the fibrous layer, and (d) allowing the as...

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Bibliographische Detailangaben
Hauptverfasser:	CHANT, PETER R
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	In the process for making a thermosetting resin article which comprises (a) impregnating an open-cell sheet with a thermosetting resin (b) applying a fibrous layer to at least one side of the sheet, (c) compressing the assembly so that the resin impregnates the fibrous layer, and (d) allowing the assembly to cure, the improvement comprising (e) allowing the resin in the fibrous layer to pass through a more advanced state of cure than the resin in the compressed sheet (f) reducing the compression on the sheet so that it expands and (g) allowing the assembly to cure throughout. Also a part of this invention is the thermosetting article made by this process.