[summary of the invention]
Technical problem to be solved by this invention is to provide a kind of and not only has the insulation and decoration function, and lower-cost outer wall heat insulating and decorating plate.
Another technical problem to be solved by this invention is to provide a kind of method for preparing above-mentioned outer wall heat insulating and decorating plate.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of outer wall heat insulating and decorating plate is provided, it is a layer structure, comprises insulation layer, inorganic composite materials layer and coating, and this coating and insulation layer are attached at the upper surface and the soffit of inorganic composite materials layer respectively.
The upper surface of described insulation layer and soffit offer respectively for the ventilative groove of exterior wall.
Described heat insulating decorative board is connected with exterior wall by connector, the soffit of this inorganic composite materials layer stretches out projection, the position of corresponding projection is provided with the shrinkage pool that is used for ccontaining projection on the described insulation layer, one end of this connector is fixed on outward within the walls, its other end is based in the heat insulating decorative board, and a side of projection hang on the connector.
A kind of method of making above-mentioned outer wall heat insulating and decorating plate may further comprise the steps: first step is earlier that fiber and the surplus of 5-30% is mixing such as cement or gypsum class cementing agent with weight percentage, enter in the mould, by chemical action, be prefabricated into half-finished product plate, stand-by; With mixing such as weatherability resin, pigment, filler, auxiliary agents, grind, make the A component, again with as the carbimide of B component in 10: the 2-5 ratio is mixed, and is applied on the half-finished product plate, thereby prepares the inorganic composite materials layer; Second step, with insulation layer and coating respectively by gluing soffit and the upper surface that connects or be bonded in above-mentioned inorganic composite materials layer by the mode of heat fused.
The invention has the beneficial effects as follows: because heat insulating decorative board of the present invention has insulation layer and inorganic composite materials layer, it has the effect of heat-holding dampproof; The outermost layer of heat insulating decorative board of the present invention is a coating, coating is produced on the upper surface of the inorganic composite materials layer with flat surfaces in advance, its planeness is good, can not bubble, ftracture, it is subjected to weather effect less, can as required this coating be made into various color patterns, thereby satisfy the demand of various architectural decorations; Do not adopt metal material in the heat insulating decorative board of the present invention, therefore, the more above-mentioned prior art of its cost of manufacture is low.On the other hand, the present invention further is provided with groove, its good air permeability on insulation layer.Heat insulating decorative board of the present invention further is connected with exterior wall by connector, thereby it can very firmly be attached on the outer surface of wall, and can not come off.
[specific embodiment]
Heat insulating decorative board of the present invention is attached on the metope of exterior wall, see also Fig. 1, a preferred embodiment of the present invention is a layer structure, and it comprises insulation layer 1, inorganic composite materials layer 2 and coating 3, and this insulation layer 1 and coating 3 are attached at the soffit and the upper surface of inorganic composite materials layer 2 respectively.
This insulation layer 1 is polystyrene foam plate (EPS plate) or extruded polystyrene board (XPS plate), and it mainly plays insulation effect.This inorganic composite materials layer 2 is to be that fiber and the surplus of 5-30% is that cement or gypsum class cementing agent mixed preparing form by weight percentage.This coating 3 can be true mineral varnish, artistic coating, fluoro-containing coating (as fluorocarbon coating), silicon third emulsion paint or organic-silicon-modified coating, it can require to be made into various color patterns according to the decoration of different buildings, as the surface of emulation cortex sense, artificial granite, marmorean surface etc.Above-mentioned insulation layer 1 and inorganic composite materials layer 2 have the effect of heat-holding dampproof, and coating 3 is produced on the upper surface of the inorganic composite materials layer 2 with flat surfaces in advance, and its planeness is good, can not bubble, ftracture, and it is subjected to weather effect less.
The manufacture method of above-mentioned outer wall heat insulating and decorating plate is:
First step is earlier that fiber and the surplus of 5-30% is mixing such as cement or gypsum class cementing agent with weight percentage, enters in the mould (not shown), by chemical action, is prefabricated into half-finished product plate, and is stand-by; With mixing such as weatherability resin, pigment, filler, auxiliary agents, grind, make the A component, again with as the carbimide of B component in 10: the 2-5 ratio is mixed, and is applied on the half-finished product plate, thereby prepares inorganic composite materials layer 2.
Second step, with insulation layer 1 and coating 3 respectively by gluing soffit and the upper surface that connects or be bonded in above-mentioned inorganic composite materials layer 2 by the mode of heat fused.
In above-mentioned second step, if adopt gluing connecing, used glue can be common glue or polyurethane adhesive, this polyurethane adhesive is a kind of polymer inorganic composite adhesive, and it is 28.5% cement by weight hundred content, weight hundred content are the filler (as calcium carbonate etc.) of 10-20%, weight hundred content are the quartz sand of 30-50%, weight hundred content are that the cenosphere of 10-15% (is mainly flyash, the cenosphere of glass etc.), weight hundred content are that the viscose glue powder of 0.5-5% (mainly comprises acrylate copolymer, the acetate ethylene copolymer class), weight hundred content are that the methylcellulose of 0.5-5% and wood fibre mixed preparing that weight hundred content are 0.5-5% form.
Please together consult Fig. 2, for not hindering the gas permeability of exterior wall, the upper and lower surface of insulation layer 1 of the present invention offers some strip grooves 12 respectively, and its quantity can be decided according to the area of insulation layer 1.
Above-mentioned heat insulating decorative board can adopt existing any way to be installed on the metope of exterior wall, please together consults Fig. 2 and Fig. 3, is of the present utility model one preferable mounting means.For above-mentioned heat insulating decorative board more firmly is attached on the outer surface of wall, heat insulating decorative board of the present invention can be connected with exterior wall by some connectors 4.It is horizontal "T"-shaped that this connector 4 roughly is, and it has a fixed part 42 and is connected in fixed part 42 central authorities, and the supporting part 44 vertical with fixed part 42.This fixed part 42 is fixed on outward within the walls, and supporting part 44 stretches out outer surface of wall, and is arranged in the heat insulating decorative board.The soffit of the inorganic composite materials layer 2 of this heat insulating decorative board stretches out some projections 22, and the side central authorities of projection 22 offer breach 222.The position of corresponding projection 22 is provided with the shrinkage pool 14 that is used for ccontaining projection 22 on this insulation layer 1.The supporting part 44 of above-mentioned connector 4 is placed in lacking in 222 of projection 22, thereby heat insulating decorative board is hung on this connector 4.Should lack 22 four sides that can be arranged at projection 22, and like this, be installed in direction on the exterior wall regardless of heat insulating decorative board, it all can hang on the connector 4.
The present invention also is provided with above-mentioned connector 4 between two adjacent heat insulating decorative boards, at this moment, the end of the supporting part 44 of this connector 4 penetrates exterior wall, and fixed part 42 is between two adjacent heat insulating decorative boards.This fixed part 42 has the two oblique sheets 422 that join, and the side of the inorganic composite materials layer 2 of heat insulating decorative board also is set to the inclined-plane, two oblique sheets 422 of connector 4 fit with the side of the inorganic composite materials layer 2 of adjacent two heat insulating decorative boards respectively, thereby further support heat insulating decorative board on exterior wall.
Above-mentioned projection 22 can be arranged in the soffit of inorganic composite materials layer 2 or be partially submerged into inorganic composite materials layer 2, and part stretches out the soffit of inorganic composite materials layer 2.When projection 22 is positioned at the soffit of inorganic composite materials layer 2, in the first step of above-mentioned manufacturing heat insulating decorative board, on the bed die that takes up inorganic composite layer 2, set up the first cover plate (not shown), this first cover plate is provided with some through holes; In the through hole of first cover plate, insert filler, to form projection 22; On first cover plate, set up the second cover plate (not shown); After treating that filler in the bed die and first cover plate solidifies, pull down bed die, first cover plate and second cover plate.When projection 22 is partially submerged in the inorganic composite materials layer 2, when part stretches out the soffit of inorganic composite materials layer 2, the difference of its processing mode and above-mentioned processing mode is: before setting up first cover plate on the bed die, earlier the part filler in the bed die is taken out, thereby form some shrinkage pools in bed die, the lead to the hole site on this first cover plate is corresponding with the shrinkage pool position in the bed die; In the through hole of first cover plate and the shrinkage pool in the bed die, insert filler, to form projection 22.The material of projection 22 can be cement, mortar, gelinite, inorganic material, iron block etc., when the strength of materials that it adopted is hanged down, the higher intensive aspect of strength ratio can be set in projection 22, as the intensive aspect among Fig. 2 24, it is positioned at the central authorities of projection 22, and running through projection 22 along the thickness direction of projection 22, the material of this intensive aspect 24 can be a steel etc.
Be appreciated that, above-mentioned connector 4 is not limited to the said structure form, if the one end be fixed on outer within the walls, and the other end stretches out exterior wall and be arranged in the heat insulating decorative board, projection 22 on the inorganic composite materials layer 2 of heat insulating decorative board is hung on it, can reach the effect of firm heat insulating decorative board.