Improving silicone mold and elastomer tool life

Silicone elastomer molds or tools are used to shape amine containing resins. If the mold is coated with a silane of the formula RaSiX4-a, where R is a monovalent halogenated hydrocarbon having 1 to 6 carbon atoms and the halogen is selected from the group consisting of chlorine, bromine and iodine,...

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Bibliographische Detailangaben
Hauptverfasser:	BECK, EARL WILBUR, SMITH, SCHUYLER BAIRD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Silicone elastomer molds or tools are used to shape amine containing resins. If the mold is coated with a silane of the formula RaSiX4-a, where R is a monovalent halogenated hydrocarbon having 1 to 6 carbon atoms and the halogen is selected from the group consisting of chlorine, bromine and iodine, X is a monovalent radical that reacts with a hydroxyl radical on silicon and a is 1 to 3, before use, the shrinkage of the mold with repeated use is decreased and the elastomeric mold or tool life is greatly extended.