GLASS-FIBER-REINFORCED THERMOSETTING RESIN MOLDED PRODUCT

PURPOSE: To improve the strength by incorporating a specific reinforcing material into a thermosetting resin. CONSTITUTION: Chopped strands each made up of 40 to 70 bundled glass filaments with a diameter of 9.5 to 12μm were cut into 3-to 8-cm lengths, the cut strands are supplied to a reticulate pr...

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Bibliographische Detailangaben
Hauptverfasser:	ONO HARUHEI, SHIMAZAKI SUEO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING HATS HEAD COVERINGS HEADWEAR HUMAN NECESSITIES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE: To improve the strength by incorporating a specific reinforcing material into a thermosetting resin. CONSTITUTION: Chopped strands each made up of 40 to 70 bundled glass filaments with a diameter of 9.5 to 12μm were cut into 3-to 8-cm lengths, the cut strands are supplied to a reticulate preliminary mold, a binder is sprinkled, and they are heated and dried at 50 to 100 deg.C for 30sec to 5min to obtain a reinforcing material. A molding material made up of 80 to 99wt.% thermosetting resin, 1 to 5wt.% hardening agent, 5 to 20wt.% filler, 0.5 to 5wt.% releasing agent, and 0.5 to 3.5wt.% colorant is charged into the reinforcing material, and the resultant mixture is placed between a male mold and a female mold and is heated under a pressure of 70 to 150kg/cm at 90 to 150 deg.C for 2 to 5min.