Long-term quality-guaranteeing bi-component sealant and preparation method thereof

• Main Author: XU WEIYUE
• Format: Patent
• Language: Chinese; English
• Published: 24.05.2024
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; DYES; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS AS ADHESIVES

The invention provides a double-component seam beautifying agent with long-term quality guarantee. The seam beautifying agent comprises a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 60-100 parts of mixed epoxy resin, 10-30 parts of pearlescent pigment, 30-40 parts of colored sand, 3-6 parts of filler and 0.5-1 part of a defoaming agent; the mixed epoxy resin is prepared from bisphenol A type epoxy resin and modified bisphenol A type epoxy resin according to the mass ratio of 1: (0.5-1.2); the component B is prepared from the following raw materials in parts by weight: 40 to 50 parts of alicyclic amine modified curing agent, 10 to 30 parts of modified filler, 0.2 to 0.5 part of ultraviolet absorbent and 0.5 to 0.8 part of flow stopping agent. The sealant provided by the invention has the advantages of high solid content, better compatibility among the components, complete crosslinking and curing effect of the bottom layer, difficulty in colla