External wall body thermal insulation decorative board and preparation method thereof
Technical field
The present invention relates to building material field, be specifically related to a kind of external wall body thermal insulation decorative board and preparation method thereof.
Background technology
Building energy conservation and environmental protection are the key subjects of present face of mankind.In recent years, China has formulated " economizing energy law " in succession, " building law " a series of laws, rules such as " code for thermal design of civil buildings " are alleviated China's energy availability and demand contradiction, has promoted the development of building energy conservation cause.For single building, its energy-conservation door and window, exterior wall and roof heat insulation system of depending primarily on, wherein exterior wall will be born 50~60% of whole energy effect usually, so the quality of skin heat-insulation system is for realizing that the building energy-saving effect is most important.
The present unit building area heating of China is equivalent to 3~4 times of the close developed country of weather conditions with energy consumption; China is a country that the energy is barrenr; So reasonable energy utilization; Improving energy utilization rate is the task of paramount importance of Chinese society development, and the improvement of skin space enclosing structure power-saving technology, the renewal of heat insulating material has earth shaking meaning to the reduction of society and building energy consumption.At present China's architectural exterior-protecting construction power-saving technology is used maximum three kinds of forms that have: 1. external wall outer insulation; 2. exterior wall internal insulation: 3. sandwich heat preservation.Through finding behind the practical proof for many years that the advantage of the external wall outer insulation practice is the most remarkable, should become the developing direction of the principal mode and the energy saving building heat-preserving wall of China's wall thermal insulating.It is more that China is used for the energy-saving material kind of architectural exterior insulation, mainly contains: rock wool, polystyrol plastic foam plate, foam cement, polyphenyl plate etc.Current, the external wall heat insulation system of domestic popularization mainly contains the thin heat insulation system etc. of plastering of adhesive powder-polystyrene granule thermal insulation mortar, polyphenyl plate (comprising the extrusion molding type) and hard polyurethane foam.Although these systems have obtained better effects in applying, and improve perfectly constantly, the problem that exists is still many.Be that mainly especially durability enjoys query to the worry of crack, energy consumption (polyphenyl is the oil extract), safety and durability.
Now; Whole world heat preserving and insulating material just develops towards efficient, energy-conservation, frivolous, waterproof, decoration integrated direction, more should be widelyd popularize and use as a kind of novel heat preserving and insulating material and have the external wall outer insulation decorative panel of decorating with energy-conserving action simultaneously concurrently.Disclose a kind of outer wall heat insulating and decorating plate and manufacturing approach among the patent documentation CN 100398763C, but wherein still made insulation layer with polyphenyl plate, anti-flammability that it is whole and durability are still barely satisfactory.In addition, though there are some to make insulation layer, exist the moisture absorption in its goods, return halogen with the inorganic compounding material, serious mass defect such as scum, water resistance weatherability difference or heat-insulating property are not good.
Summary of the invention
The technical problem that the present invention will solve has provided the external wall body thermal insulation decorative board of a kind of nonhygroscopic, halogenation that integrates ornamental, energy saving, economy, convenience, scum, good weatherability, and discloses a kind of preparation method of external wall body thermal insulation decorative board.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of external wall body thermal insulation decorative board; Comprise finish coat; Be disposed with the magnesite bed of material, folder muscle layer and inorganic mixing insulation layer in this finish coat inboard; Said folder muscle layer is that thin bamboo strips used for weaving net, reed are slightd net, cornstalk crust and slight in the net any one, and said inorganic mixing insulation layer is filled by following inorganic compound and formed:
1.5~2.5 parts of 100~120 parts of the magnesium chloride brines of 100 parts of magnesia powders, Baume degrees 23~28,70~90 parts of medium sands, 120~130 parts of quartzs, 20~50 parts of glass beads, 4~8 parts of glass fiber, 1~2 part of alum, 13~14 parts of mica powders, 6~7 parts in flyash, OP-i01.5~2.5 part, modifier.
Between the said finish coat and the magnesite bed of material, also be provided with glass layer.
Said magnesite thickness of feed layer is 2~5mm.
Said folder muscle layer thickness is 1.5~3mm.
Degree is 35~45mm behind the said inorganic mixing insulation layer.
Said finish coat is provided with imitative layer of wood, or imitative metal-like layer, or the face brick-imitation layer.Employing mold technology, facing has abundant moulding, face brick-imitation, imitative wood, imitative stone material, imitative metal etc.
A kind of preparation method of external wall body thermal insulation decorative board may further comprise the steps:
(1) foundation forms is set, and lays polished film above that;
(2) coating magnesite grout on polished film; Form the magnesite bed of material of thickness 2~5mm, said grout forms (modifier that as required can add conventional requirement) by 1: 1~1.5 quality than hybrid modulation by the magnesium chloride brine of magnesia, 23~28 Baume degrees;
(3) on magnesite pulp layer upper berth if bonding folder muscle layer, said folder muscle layer is that thin bamboo strips used for weaving net or cornstalk crust are slightd net;
(4) on said folder muscle layer, lay inorganic mixing inserts, form inorganic mixing insulation layer; In weight portion, said inorganic mixing inserts is evenly mixed by following raw material: 1.5~2.5 parts of 100~120 parts of the magnesium chloride brines of 100 parts of magnesia powders, Baume degrees 23~28,70~90 parts of medium sands, 120~130 parts of quartzs, 20~50 parts of glass beads, 4~8 parts of glass fiber, 1~2 part of alum, 13~14 parts of mica powders, 6~7 parts in flyash, OP-101.5~2.5 part, modifier;
(5) vibratory compaction, rolling are smooth;
(6) under the condition of 25~30 ℃ of relative humidity 60~70%, temperature, maintenance demoulding after 1~3 day;
(7) natural curing 20~30 days behind the piling;
(8) cutting, painted.
Also comprise the steps: afterwards earlier on polished film, to lay one deck fiberglass gridding cloth at least in said step (1), and smooth, on fiberglass gridding cloth, be coated with the magnesite grout then.
Also comprise the steps: afterwards to spray fluorine carbon finish 2~3 times in said step (8), dry and get final product.
In said step (8), used flyash granularity 20~60 orders, the long 3~5mm of glass fiber, quartz granularity 3~5mm, used medium sand is the medium sand after washing, its average grain diameter is 0.35~0.5mm.
Used in the above-mentioned inorganic mixing inserts: 1. flyash can improve waterproof, gas property, sulfate resistance performance and chemistry-resistant characteristic, the reduction heat of hydration, improves concrete resistance to elevated temperatures, alleviates particle separation and bleed phenomenon, reduce concrete contraction and cracking; 2. medium sand is that degree of threading modulus is 2.3~3.0, and average grain diameter is the sandstone of 0.35~0.5mm; 3. glass bead; Be a kind of acid nature of glass lava mineral matter (pitchstone ore in sand form), be processed to form inner porous, surperficial vitreous sealing, be the thin footpath of orbicule particle through special technology processing and production technology; Be a kind of high performance inorganic light weight thermal insulation material that has, main chemical is SiO
2, Al
2O
3, CaO, grain diameter is 0.1~2mm, unit weight is 50~100kg/m
3, coefficient of thermal conductivity is 0.028~0.048W/mK, and its floatability is greater than 95%, and balling-up vitreous rate is greater than 95%, and water absorption rate is less than 50%, and melt temperature is 1200 ℃; 4. modifier is meant single component or composite parts; Consumption is below 4%; Special produce or configuration is used for the chemical industry preparation of magnesium modified cement, like the various modifier of present various places as commodity selling, and the modifier that is specifically designed to modification prepared voluntarily of each enterprise; 5. alum tool strong convergence property plays the resistance to deformation effect; 6. resistant glass fiber is hot by force, corrosion resistance is good, and mechanical strength is high, usually as reinforcing material and heat-insulating material in the composite material; 7. mica powder has performances such as high antiacid caustic corrosion, elasticity, toughness and sliding, heat-resisting sound insulation, coefficient of thermal expansion be little, can improve the mechanical strength of sheet material, and enhanced toughness, adhesive power is anti-aging and corrosion resistant type etc.; 8. OP-10 has performances such as good emulsification, wetting, level dyeing, diffusion, washing; Acid and alkali resistance, hard water.
The present invention has actively useful effect:
1. external wall body thermal insulation decorative board excellent thermal insulation performance of the present invention, fireproof performance is safe and reliable, intensity is high, acid-alkali-corrosive-resisting, nonhygroscopic, halogenation, scum, long, the water resistance strong (seeing table 1 for details) of weatherability; Have stronger self-cleaning, anti-contamination, anti-damage by worms etc., facing is beautiful in colour lasting;
2. external wall body thermal insulation decorative board of the present invention is installed and used fast, and once mounting can realize heat preservation energy-saving and decorative effect synchronously, and the duration is saved;
3. production technology of the present invention is simple, consumptive material is few, and raw material sources are extensive, and reserves are abundant, cheap, the whole process of production low-carbon environment-friendly, and therefore no waste, toxic emission, pollution-free, nothing waste are a kind of Green Products.
Table 1 external wall body thermal insulation decorative board index
Description of drawings
Fig. 1 is a kind of structural representation of external wall body thermal insulation decorative board;
Fig. 2 is the structural representation of another kind of external wall body thermal insulation decorative board.
1 is finish coat among the figure, and 2 is the magnesite bed of material, and 3 are folder muscle layer, and 4 is inorganic mixing insulation layer, and 5 is glass layer.
The specific embodiment
Below in conjunction with specific embodiment the present invention is further described, but be not limited to the following example.
1 one kinds of external wall body thermal insulation decorative boards of embodiment; Referring to Fig. 1; Comprise finish coat 1, be disposed with glass layer 5, the magnesite bed of material 2 (3mm), folder muscle layer 3 (2.5mm) and inorganic mixing insulation layer 4 (40mm) in this finish coat inboard, said folder muscle layer 3 is the thin bamboo strips used for weaving net.Said finish coat 1 can be set to imitative layer of wood, or imitative metal-like layer, or the face brick-imitation layer.Employing mold technology can be made into abundant moulding with facing as required, like face brick-imitation, imitative wood, imitative stone material, imitative metal etc.
Bamboo body lightweight is hard, and the bending resistance pulling force is strong.Bamboo is carried out mechanics mensuration show that the amount of contraction of bamboo is very little, and elasticity and toughness are extremely strong, crushing strength parallel to the grain is about 800 kilograms for every square centimeter; Tensile strength parallel to the grain can carry 1800 kilograms for every square metre centimetre; Wherein just the tensile strength parallel to the grain of bamboo reaches 2833 kilograms for every square, enjoys the laudatory title of " plant iron and steel ".Therefore, replace the metal clip muscle with bamboo, external wall body thermal insulation decorative board elasticity and the toughness processed are strong, the visible table 1 of relevant performance indications.
The preparation method of above-mentioned external wall body thermal insulation decorative board may further comprise the steps:
(1) foundation forms is set, and lays polished film above that;
(2) on polished film, lay one deck alkali-resistant glass fibre grid cloth at least, and smooth;
(3) coating magnesite grout on fiberglass gridding cloth forms the magnesite bed of material of thickness 3mm, and said grout is formed than hybrid modulation by the magnesium chloride brine of magnesia, the 26 Baume degrees quality by 1: 1.3;
(4) on magnesite pulp layer upper berth if bonding folder muscle layer, said folder muscle layer is the thin bamboo strips used for weaving net;
(5) on said folder muscle layer, lay inorganic mixing inserts, form inorganic mixing insulation layer; Said inorganic mixing inserts is evenly mixed by following raw material: the magnesium chloride brine 110kg of magnesia powder 100kg, Baume degrees 25, medium sand (0.35~0.5mm) 80kg, quartz (granularity 3~5mm) 125kg, glass bead 30kg, glass fiber (long 3~5mm) 6kg, alum 1.5kg, mica powder 12.5kg, flyash (20~60 order) 6.5kg, OP-10 2kg, modifier 2kg;
(6) vibratory compaction, rolling are smooth;
(7) under the condition of 25~30 ℃ of relative humidity 60~70%, temperature, maintenance demoulding after 2 days;
(8) natural curing 25 days behind the piling;
(9) cutting, painted.
(10) spraying fluorine carbon finish is 2 times, dries to get final product.
2 one kinds of external wall body thermal insulation decorative boards of embodiment, basic identical with embodiment 1, difference is: said folder muscle layer is slightd net (slighing braiding by reed stalk forms) for reed; Said inorganic mixing inserts is evenly mixed by following raw material: the magnesium chloride brine 120kg of magnesia powder 100kg, Baume degrees 28, medium sand (0.35~0.5mm) 90kg, quartz (granularity 3~5mm) 130kg, glass bead 50kg, glass fiber (long 3~5mm) 8kg, alum 2kg, mica powder 14kg, flyash (20~60 order) 7kg, OP-102.5kg, modifier 2.5kg.The China reed is the ideal architecture material, and is not only heat insulation, soundproof effect is good, can also be moistureproof.China's reed fast growth can be grown 5 centimeters every day, and stock number is abundant.
3 one kinds of external wall body thermal insulation decorative boards of embodiment, basic identical with embodiment 1, difference is: said folder muscle layer is slightd net (being formed by the braiding of corn stem crust) for the cornstalk crust; Said inorganic mixing inserts is evenly mixed by following raw material: the magnesium chloride brine 100kg of magnesia powder 100kg, Baume degrees 23, medium sand (0.35~0.5mm) 70kg, quartz (granularity 3~5mm) 120kg, glass bead 20kg, glass fiber (long 3~5mm) 4kg, alum 1kg, mica powder 13kg, flyash (20~60 order) 6kg, OP-101.5kg, modifier 1.5kg.
4 one kinds of external wall body thermal insulation decorative boards of embodiment referring to Fig. 2, comprise finish coat 1, are disposed with the magnesite bed of material 2 (3.5mm), folder muscle layer 3 (3mm) and inorganic mixing insulation layer 4 (42mm) in this finish coat inboard, and said folder muscle layer 3 is the thin bamboo strips used for weaving net.Its preparation method is following:
(1) foundation forms is set, and lays polished film above that;
(2) on polished film, lay the magnesite grout, form the magnesite bed of material of thickness 3.5mm, said grout is formed than hybrid modulation by the magnesium chloride brine of magnesia, the 28 Baume degrees quality by 1: 1.2;
(3) on the magnesite pulp layer, lay the thin bamboo strips used for weaving net;
(4) on said thin bamboo strips used for weaving net, lay inorganic mixing inserts, form inorganic mixing insulation layer; Said inorganic mixing inserts is evenly mixed by following raw material: the magnesium chloride brine 115kg of magnesia powder 100kg, Baume degrees 26, medium sand (0.35~0.5mm) 85kg, quartz (granularity 3~5mm) 120kg, glass bead 40kg, glass fiber (long 3~5mm) 7kg, alum 1.2kg, mica powder 13kg, flyash (20~60 order) 7kg, OP-101.6kg, modifier 2.2kg;
(5) vibratory compaction, rolling are smooth;
(6) under the condition of 25~30 ℃ of relative humidity 60~70%, temperature, maintenance demoulding after 3 days;
(7) natural curing 28 days behind the piling;
(8) cutting, painted.
(9) spraying fluorine carbon finish is 3 times, dries to get final product.