Repairing material for base layer of oil colored paintings of ancient architecture and preparation technology thereof

The invention discloses a repairing material for a base layer of oil colored paintings of ancient architecture, which comprises an acrylic acid-2-ethylhexyl ester, a vinyl acetate, a methyl methacrylate, an acrylic acid, an N-hydroxymethyl acrylamide, an emulsifying agent, a neutralizing agent, a de...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN ANQIANG, MA TAO, MA ZHENGSHENG, HUANG YUEYUAN, LEI YANYING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The invention discloses a repairing material for a base layer of oil colored paintings of ancient architecture, which comprises an acrylic acid-2-ethylhexyl ester, a vinyl acetate, a methyl methacrylate, an acrylic acid, an N-hydroxymethyl acrylamide, an emulsifying agent, a neutralizing agent, a defoaming agent, a rheological agent and an initiating agent. The preparation technology comprises the following steps of: preparing a polyacrylate emulsion by using free radical emulsion polymerization, and adding the neutralizing agent, the deforming agent and the rheological agent in the polyacrylate emulsion to obtain an emulsion binder. The emulsion binder prepared by the invention has no granular condensation products, good mechanical stability, freeze thaw stability and interface adhesion force, can be coated and injected, is free from ash removal and reversible at a high temperature and is applicable to the binding materials for repairing the base layer of the oil colored paintings ofthe ancient architecture.