MASTIC, CAULKING, SEALANT AND ADHESIVE COMPOSITIONS CONTAINING PHOTOSENSITIVE COMPOUNDS AND METHOD OF REDUCING THEIR SURFACE TACK

Mastic, caulking, sealant or adhesive compositions are provided which contain a photosensitive compound, such as benzophenone, which, upon exposure to actinic radiation, renders the surface of the composition tack free and mildew resistant while the remainder of the composition remains flexible. The...

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Bibliographische Detailangaben
Hauptverfasser:	FRANKEL, LAWRENCE STEPHEN, CLEMENS, DAVID HENRY
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES BLASTING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS CYLINDERS DYES ENGINEERING ELEMENTS AND UNITS FILLING PASTES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INKS LIGHTING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PISTONS POLISHES SEALINGS THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE USE OF MATERIALS AS ADHESIVES USE OF MATERIALS THEREFOR WEAPONS WOODSTAINS
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Beschreibung
Zusammenfassung:	Mastic, caulking, sealant or adhesive compositions are provided which contain a photosensitive compound, such as benzophenone, which, upon exposure to actinic radiation, renders the surface of the composition tack free and mildew resistant while the remainder of the composition remains flexible. The compositions also contain a binder polymer containing acid units which is preferably derived from acrylic monomers and may also contain air-curable units. The invention also embraces a method of reducing the surface tack of such compositions using the photosensitive compound.