High-strength flame-retardant heat-insulation composite door and window

Abstract

The invention discloses a high-strength flame-retardant heat-insulation composite door and window, and relates to the field of composite doors and windows. The high-strength flame-retardant heat-insulation composite door and window is prepared by uniformly mixing a wood-ceramic composite material with aerogel fibrofelt and then carrying out hot press molding, wherein the aerogel fibrofelt accountsfor 1.5%-3.6% of the mass of the wood-ceramic composite material, and the wood-ceramic composite material is composed of a wood-plastic composite material, low-melting-point glass powder, a dispersing agent, a binder and a defoaming agent. By adding the low-melting-point glass powder, the mechanical strength of the composite door and window is greatly improved, so that the composite door and window has excellent flame retardant property; and by introducing the aerogel fibrofelt, the composite door and window has the advantages of fire resistance, flame retardance, sound insulation and shock absorption, and can meet the high requirements of people on modern buildings.

Description

technical field [0001] The invention belongs to the technical field of composite doors and windows, and in particular relates to a high-strength flame-retardant and heat-insulating composite door and window. Background technique [0002] The area of ​​newly built residential houses in our country is close to 3 billion square meters every year. Doors and windows are an important part of modern buildings. Calculated according to the ratio of building area to door and window area of ​​8:1, the replacement of old doors and windows is not included every year. New houses only have doors and windows. The amount used is 375 million square meters, so the amount of door and window materials is very alarming, and the requirements for energy saving and environmental protection of doors and windows are getting higher and higher. Up to now, doors and windows have experienced four eras of wood, steel, aluminum alloy, and plastic steel doors and windows. Wooden doors and windows are modera...

AI Technical Summary

Problems solved by technology

Wooden doors and windows are moderate in price, poor in appearance, poor in sealing, afraid of fire and flammable, deformed and cracked, only suitable for low-grade, general places, high maintenance costs, and short service life; steel-welded doors and windows are low in price, low in grade, and easy to corrode. Easy to deform, high maintenance costs, short service life, facing elimination; aluminum alloy doors and windows have good flame retardancy, luxurious appearance but poor integrity, easy to deform, easy to corrode, and poor thermal insulation, poor heat insulation, and weak sound insulation; plastic Hollow PVC profiles for the production of doors and windows, due to the low rigidity, easy deformation, and poor decoration of PVC plastic profiles, are mainly aimed at low-end and low-end door and window products with low cost; the steel-plastic and wood-plastic composite doors and windows developed in recent years have improved in strength and decoration. It has a certain advantage in performance, but its production process is complicated, the cost is high, and it consumes a lot of high-energy aluminum profiles

[0003] Chinese invention patent CN103498625B discloses a wood-plastic solid wood composite door and window and its manufacturing method. The wood-plastic solid wood composite door and window is composed of wood-plastic solid wood composite profiles, glass, accessories, sealing strips and layering strips. Resin materials or wood-plastic composite materials are combined with each other, and there is no major improvement from the material, mainly from the combination of structure and materials. This invention uses waste materials to recycle, saving resources and costs. It is environmentally friendly and has good thermal insulation performance, but the materials used in this invention make composite doors and windows flammable, easy to deform and crack, have low strength, and poor heat insulation performance, which is not suitable for the development trend of current building doors and windows

Chinese invention patent CN104592728B discloses an airgel FRP composite door and window profile and its preparation method. Gel is the material with the lowest thermal conductivity and the best thermal insulation performance, so that the invention has the advantages of light weight, high strength, sound insulation and shock absorption, fire and flame retardancy, but the base material of the invention is polyester resin, and its strength is low. Added glass fiber reinforced material, but the mixing effect of the two is not good, it can not make the composite doors and windows of this invention have good strength, and it will also reduce the heat insulation effect of composite doors and windows

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