2results about How to "Prevent cracking and falling off" patented technology

The utility model belongs to building external wall heat preservation and heat insulation technical field, and disclose a kind of integrated template of regulating building external wall heat preservation and heat insulation, including frame, the inside of frame is sequentially provided with self-repairing protective decorative layer, gradient composite heat preservation layer, self-adapting elastic buffer layer, structure template layer from outside to inside, the seal strip is arranged in the outside of frame, it is connected through adjusting connecting assembly between adjacent frame, gradient composite heat preservation layer is with rock wool board outer layer fire prevention, aerogel felt inner layer strong heat preservation, staggered joint and fireproof sealant block heat channel, adapt to severe cold region and high energy-saving standard, resolve single material contradiction, the coating of self-repairing protective layer automatic joint maintenance reduction, elastic buffer layer absorbs deformation and prevents cracking, prolongs heat preservation layer life, reduces whole cycle cost, guarantees air tightness and appearance.

The application relates to the technical field of building materials, in particular to a core material for A-grade fireproof metal composite board and a preparation method thereof. According to weight parts, the core material for the A-grade fireproof metal composite board comprises the following raw materials: 30-60 parts of base resin, 20-40 parts of flame retardant, 5-10 parts of modified montmorillonite, 0.5-2 parts of coupling agent, 0.5-3 parts of dispersant, 1-3 parts of compatibility agent and 0.5-3 parts of lubricant. The core material has excellent flame retardancy, antibacterial property and mechanical property.