Reflection heat-insulating type barren rock chip natural stone exterior wall paint
Technical field
The invention belongs to building masonry wall decorative materials technology, is a kind of reflection heat-insulating type barren rock chip natural stone exterior wall paint being applicable to decoration of exterior wall.
Background technology
Current, along with China's building and the fast development of decoration of exterior wall, the decoration of exterior wall is also the importance that save energy improves living environment.For buildings, building heat insulation is energy-conservation is one of emphasis of China's energy conservation, and outer heat insulation of exterior wall has become the leading product of building energy conservation.Along with the development of construction industry and the requirement of urban beautification, the decoration of exterior wall and the energy-conservation importance also more and more demonstrating it, under raising beautifying constructure required people and the energy-conserving and environment-protective consciousness day by day strengthened, more and more higher requirement be it is also proposed to novel construction wall finishing material, requirement should have light weight layer thin and weather resistance, resistance to soiling and stronger cracking resistance, ageing resistance, there are decoration and architecture protection beyond the region of objective existence metope again, make buildings appearance beautiful and clean, reach the effect of beautifying urban environment; Reliable waterproof impervious characteristic and weathering resistance, acid and alkali-resistance, anti-fouling performance should be had, meet environmental protection again, the requirement of nontoxic, tasteless, harmless and anti-decortication; The energy-saving effect of heat-insulation and heat-preservation should be had and meet back to nature, will never fade aesthetic feeling decorative effect; colored is abundant and tint retention is excellent again; long period can keep original decorate properties, and the effect of architecture protection exterior wall can be played, extend the effect in its work-ing life.Along with developing in depth and breadth of China's Building Energy-saving Work, continue to bring out the wall decorative material of outstanding multi items, at present, exterior wall finish layer material for construction wall is normally used various exterior coating and true mineral varnish, coating is used to carry out wall decoration Problems existing and be: easily to occur fading, ftracture, the phenomenon such as infiltration, and working life is short, be generally 3 ~ 5 years.In addition domestic coating material production quality level is on the low side, and low grade products is more, and medium and high-grade goods are few, use in Practical Project within 2 ~ 3 years, just there is loss of gloss, fade, peel off, peeling, the catabiosis such as incineration, had a strong impact on outer wall decorative effect.True mineral varnish of the prior art is by pure third lactic acid 30%, natural color stone sand 65%, thickening material 3%, softening agent 1%, the preparation of raw material such as other auxiliary agent 1% form, that one has natural true nature color and luster, its decorative effect exactly likes marble, granitic wall decoration paint, can give elegance, harmonious, serious aesthetic feeling, is suitable for the indoor and outdoor decoration of all kinds of buildings.But adopt true mineral varnish to carry out wall decoration and also there is following defect:
1, peel: paint film contains the larger gravel particle of deadweight, and Film Thickness Ratio generic latex paint is much thick, often occur that true mineral varnish paint film and surface of wall adhere to loosely and have phenomenon of locally peeling.
2, meet rainwater whiting: after traditional true mineral varnish is soaked 2 hours by rainwater, there is newborn saponification effect, the sun out after, the white emulsion of saponification is enclosed in paint film emulsion, causes paint film part to be turned white, affects decorative effect.
3, the sun is exposed to the sun jaundice: containing a large amount of phenyl ring in the emulsion (as phenylpropyl alcohol, ACRYLIC EMULSION) of traditional true mineral varnish, shine upon rear generations Kun colouring effect, and namely phenyl ring decomposes flavescence through illumination, again have impact on decorative effect.
4, ftracture: true mineral varnish quality is hard, firmly then not tough, and along with the be full of cracks of body of wall basic unit, the part paint film also related be full of cracks of true mineral varnish, this is extremely disadvantageous for wall body decoration effect.
5, pollute: although traditional true mineral varnish has extremely strong product texture, due to the ingredient properties of itself, make true mineral varnish coating surface more coarse, there is after drying rough feel, cause easy dust stratification, the pollutions such as dust suction, sticky ash, not too easily clear up.Especially the cleaning for Highrise buildings is very difficult, and operation is absolutely unsafe.
6, fade: traditional true mineral varnish is often made with pigment sand burning, and long-term illumination can be faded.
Can be found out by above-mentioned analysis, adopt the buildings of coating or real stone paint decoration surface because of weather resistance, resistance to soiling, cracking resistance, can not be satisfactory on problems such as the impacts of environment, in addition coating ornamental surface and real stone paint decoration surface do not possess all again the energy-saving effect of heat-insulation and heat-preservation, for this reason, seek and study a kind ofly the existing energy can be utilized to reach heat-insulation and heat-preservation, energy-saving and cost-reducing practical function, wall decoration new coating promising has again become the primary research and development problem of current numerous lagging material factory.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, one is provided to suppress solar radiant heat, shielding heat conduction, save energy and reduce the cost, there is decoration and heat insulation dual-use function, and have excellent weather resistance, water-repellancy is splendid, self-cleaning ability is strong, color is natural, texture is true to nature, the reflection heat-insulating type barren rock chip natural stone exterior wall paint of environmental protection.
Realizing the technical scheme that object of the present invention takes is: this exterior wall paint is by being that proportioning raw materials by following weight part forms, 60 ~ 75 parts, barren rock chip material, hollow glass micropearl 5 ~ 15 parts, glass bead 1 ~ 5 part, rare-earth oxide 1 ~ 5 part, rutile 1 ~ 5 part, water-based emulsion 15 ~ 20 parts, inorganic adhesive 3 ~ 5 parts, wood fibre 0.3 ~ 0.5 part, polypropene staple 0.3 ~ 0.5 part, film coalescence aid 0.02 ~ 0.03 part, 2 ~ 5 parts, water; Wherein, the stone material chip material produced in the rejectable waste of what described barren rock chip material adopted is mine stones and stone machining processing.
The preparation method of reflective insulation barren rock chip natural stone exterior wall paint of the present invention carries out in the steps below:
Step 1) is pulverized: get barren rock chip material, grind into 120 ~ 180 object aggregate chips powder respectively by design requirements, and for subsequent use by the pack of its specification;
Step 2) choose the hollow glass micropearl that particle diameter is 0.5 ~ 1mm respectively, particle diameter is the glass bead of 0.5 ~ 1mm, 250 object rutile, 250 object rare-earth oxides, and for subsequent use by the pack of its specification respectively;
Step 3) dispersion is fused: by the order number of design requirements; get the aggregate chips powder that step 1) is made; and by described proportioning, aggregate chips powder is inserted in electromagnetic speed-adjusting dispersion machine; press described proportioning again by hollow glass micropearl, glass bead, rutile; rare-earth oxide, water-based emulsion, inorganic adhesive, wood fibre, polypropene staple, film coalescence aid and water are sent in electromagnetic speed-adjusting dispersion machine; fully disperse, fused evenly aqueous to latex, namely make reflection heat-insulating type barren rock chip natural stone exterior wall paint.
In the present invention, the exterior wall paint produced selects barren rock material and chip material to be major ingredient, its raw material sources are extensive, take from the rejectable waste of various pure natural building stones, what chip material wherein adopted is the aggregate chips material produced in stone machining processing, not only can solve the problem of slug detect thus, turn waste into wealth, and save a large amount of rock material resources, production cost can be made significantly to reduce.Reflective insulation performance in paint vehicle mainly by hollow glass micropearl, glass bead and rutile raw material to sunlight have reflection and iris action cause, wherein, hollow glass micropearl, glass bead not only self thermal resistance are large, thermal conductivity is low, and heat reflectivity is high, the absorption of buildings to solar radiant heat can be reduced, reduce coating surface and interior space temperature, construct the heat-reflecting heat-insulating function of net heat barrier; Rutile is purer titanium dioxide, has the excellent properties such as high temperature resistant, low temperature resistant, corrosion-resistant, high strength, little proportion and high covering power, high weather resisteant, high gloss.The present invention is complex as a whole by selecting above-mentioned materials, can mutual supplement with each other's advantages be reached, take into account the blending of material, the decoration of exterior wall paint vehicle of obtained high-reflectivity, reach heat insulation object by high-efficiency reflective sunlight, the building energy conservation needs such as hot-summer and cold-winter area and hot summer and warm winter region can be met.Rare-earth oxide in this exterior wall paint batching can be used as catalyzer, and used water-based emulsion is a kind of latex of granule, has good weathering resistance, excellent sticking power and snappiness, can be used as toughner.In batching, with the addition of the film coalescence aid of coalescence effect simultaneously, plastic flow and the recoverable deformation of material can be promoted, improve coalescent performance.The wood fibre added in batching can improve the workability of material, operability and antiskid pendant property; The polypropene staple added has preventing and suppresses the function of cracking initiation, anti-cracking impervious property, the anti-impact force in paint material can be improved, prevent the shrinkage crack of paint film, improve sex change and the toughness of paint film, strengthen seepage control and crack resistance performance, improve the resistance to impact shock of wall facing, stripper-resistance, wear resistance and impermeability thus.The inorganic adhesive used in batching, it can high temperature resistant low-temperature-resistant again, and cost is low, and not easily aging, caking ability is high, contributes to the shaping of paint film.The present invention is by above-mentioned various material matching combination, the synergistic result of multiple heat-insulation and heat-preservation mechanism, the exterior wall paint of preparation obtains insulation, heat insulation, environmental protection, fire prevention, antiseepage, do not ftracture, do not peel, hollowing, easy construction be not quick etc. green energy conservation material that various performance combines together.And in use, metope can be made to obtain ideal protection, there is sensorial effects that is high-grade luxurious, decorative beautifying environment.
The reflection heat-insulating type barren rock chip natural stone exterior wall paint made according to such scheme; be specially adapted to the facing decoration of exterior wall; the main raw material of this exterior wall paint is the barren rock chip taken full advantage of in mine stones; add hollow glass micropearl, glass bead, rutile and etc. there is the material of reflective insulation performance; a kind of decoration of exterior wall paint vehicle that the auxiliary materials such as the rare-earth oxide of joining, water-based emulsion, inorganic adhesive, fibrous packing, film coalescence aid and water are composited, its beneficial effect is:
(1) exterior wall paint of the present invention, has function of heat reflection, effectively can reduce the surface temperature and internal temperature that are exposed to building masonry wall under sun heat radiation, improve Working environment, improve security.This reflective insulation paint can be used alone, and the supplementary material and other heat insulation base layer material-mix that also can be used as external wall outer insulation use, and in particular for Xia Redong cold-peace hot summer and warm winter region, reach the not only heat insulation but also effect be incubated, and the cost of material is low.
(2) exterior wall paint of the present invention is a kind of novel energy-saving paint, be applied on external wall, effective thermodynamic barrier can be constructed, not only self thermal resistance is large, thermal conductivity is low, and heat reflectivity is high, the absorption of buildings to solar radiant heat can be reduced, reduce coating surface and interior space temperature, the heat of the sun can be stoped to carry out accumulation at surface of wall heat up, automatically heat radiation radiating and cooling can be carried out again, the heat radiation of body surface in space, reduce the temperature of body of wall, even if also can every living outside heat to body of wall conducted inside when free air temperature is very high, the effect produced ensure that construction wall internal space can keep the state of lasting constant temperature.This exterior wall paint, when sunlight is strong, can reduce surface of wall temperature more than 12, achieves and is not only incubated but also heat insulation, reaches the object that indoor and outdoor surroundings is comfortable and energy-saving and cost-reducing.
(3) composite exterior wall paint of the present invention has heat reflection and the synergistic thermal insulating coating of low heat conduction.Under the prerequisite manifesting true stone color effect, the reflex action to sun power can be played simultaneously, reaches the effect of heat-insulating and energy-saving.After testing, sunlight reflectivity reaches more than 90%, and hemispherical emissivity is greater than 85%.There is excellent heat-proof quality, and product cost is lower, by the comprehensive action that the insulating mechanism of this paint vehicle of data declaration of reflectivity and hemispherical emissivity is isolation-type and reflection-type, its application, for save energy, changes living and working environment and environmental protection etc. significant.
(4) exterior wall paint steady quality of the present invention, can guarantee the homogeneity of the photochromic and color of finish paint, improves the decorative effect of finish paint, extends the work-ing life of finish paint.This exterior wall paint can with metope permanent bond, prevent and cover basic unit produce minute crack, the paint film formed is colourless, transparent, under solar light irradiation not easily jaundice and efflorescence; And the hardness of paint film is higher, can improve the contamination resistance of enamelled coating, the expansion rate of water absorption of paint film is little, can form the paint film of water-fast whitening resistance, namely has the ability of anti-water suction whiting.
(5) exterior wall paint of the present invention, its spraying effect is solemnly elegant, what fully can represent lithotome enriches texture, and there is extremely strong sticking power, high rigidity, rich texture, cost economic, good weathering resistance and fire prevention, waterproof, acid and alkali-resistance, anti-pollution, nontoxic, tasteless, bonding force strong, will never fade feature.Especially utilize lithotome to represent color, the texture attractive in appearance that body of wall is long-term can be kept.In addition this paint possesses good sticking power and freeze-thaw resistance property, is therefore particularly suitable for using in cold district, extraneous severe environment effectively can be stoped to corrode buildings, extend the life-span of buildings.
(6) exterior wall paint of the present invention, visual effect is good, can direct feeling to the reflective insulation performance of exterior wall paint excellence, and it is by force ornamental, it paints natural in color, having the texture of lithotome, visually can show the elegance of whole building and serious U.S., is dry-fasten stone on external wall best substitute.Meanwhile, the construction of this paint is comparatively easy.
(7) exterior wall paint of the present invention, its humidity resistance is good, and water tolerance, ventilation property, snappiness are good, can the destruction of compensation temperature stress, guarantees the permanent decorative effect of finish paint; Have certain effect of prestressed, have extremely strong bonding avidity to body of wall, its weathering resistance, resistance to deterioration are considerably beyond traditional coating or true mineral varnish.Resistance to soiling is good, and 90% dirt is difficult to attachment, after rain drop erosion, beautiful as new, artificial clean easier.This exterior wall paint is water-based emulsion, asepsis environment-protecting, meets the requirement of people to environmental protection.Without potential safety hazard, after this paint drying, 4 ~ 5 ㎏/㎡, only account for 1/30 of stone material weight, strong adhesion, can not image-stone material entirety come off, can effective guarantee safety.
Embodiment
The reflection heat-insulating type barren rock chip natural stone exterior wall paint that the present invention produces; according to saving resource, the principle reducing cost; select with energy-saving barren rock chip material as major ingredient; add the raw material that hollow glass micropearl, glass bead and rutile etc. have reflective insulation effect; be catalyzer with rare-earth oxide; use emulsion and inorganic adhesive are gelating material; add film coalescence aid and wood fibre and the polypropene staple material on a small quantity for increasing workability, its finished product form is the shaping paint of Flexible slabstock that fine particle mixes with powdery.This exterior wall paint is by being that proportioning raw materials by following weight part forms, 60 ~ 75 parts, barren rock chip material, hollow glass micropearl 5 ~ 15, glass bead 1 ~ 5 part, rare-earth oxide 1 ~ 5 part, rutile 1 ~ 5 part, water-based emulsion 15 ~ 20 parts, inorganic adhesive 3 ~ 5 parts, wood fibre 0.3 ~ 0.5 part, polypropene staple 0.3 ~ 0.5 part, film coalescence aid 0.02 ~ 0.03 part, 2 ~ 5 parts, water; Wherein, the stone material chip material produced in the rejectable waste of what described barren rock chip material adopted is mine stones and stone machining processing;
The proportioning of each component raw material of exterior wall paint of the present invention all can receive good effect in following weight parts ratio range.
Embodiment one
The weight of each component raw material of described reflection heat-insulating type barren rock chip natural stone exterior wall paint is: 60 parts, barren rock chip material, hollow glass micropearl 5 parts, glass bead 1 part, rare-earth oxide 1 part, rutile 1 part, water-based emulsion 15 parts, inorganic adhesive 3 parts, wood fibre 0.3 part, polypropene staple 0.3 part, film coalescence aid 0.02 part, 2 parts, water.
Embodiment two
The weight of each component raw material of described reflection heat-insulating type barren rock chip natural stone exterior wall paint is: 65 parts, barren rock chip material, hollow glass micropearl 8 parts, glass bead 2.5 parts, rare-earth oxide 2.5 parts, rutile 2.5 parts, water-based emulsion 16.5 parts, inorganic adhesive 3.5 parts, wood fibre 0.35 part, polypropene staple 0.35 part, film coalescence aid 0.025 part, 3 parts, water.
Embodiment three
The weight of each component raw material of described reflection heat-insulating type barren rock chip natural stone exterior wall paint is: 70 parts, barren rock chip material, hollow glass micropearl 11 parts, glass bead 3.5 parts, rare-earth oxide 3.5 parts, rutile 3.5 parts, water-based emulsion 18.5 parts, inorganic adhesive 4.5 parts, wood fibre 0.45 part, polypropene staple 0.45 part, film coalescence aid 0.028 part, 4 parts, water.
Embodiment four
The weight of each component raw material of described reflection heat-insulating type barren rock chip natural stone exterior wall paint also can be: 75 parts, barren rock chip material, hollow glass micropearl 15 parts, glass bead 5 parts, rare-earth oxide 5 parts, rutile 5 parts, water-based emulsion 20 parts, inorganic adhesive 5 parts, wood fibre 0.5 part, polypropene staple 0.5 part, film coalescence aid 0.03 part, 5 parts, water.
The preparation of reflection heat-insulating type barren rock chip natural stone exterior wall paint of the present invention produces as follows: first grind into 120 ~ 180 object aggregate chips powder by barren rock chip material, by described proportioning respectively by design requirements, for subsequent use by the pack of its specification; Choose hollow glass micropearl that particle diameter is 0.5 ~ 1mm, glass bead, 250 object rutile and 250 object rare-earth oxides that particle diameter is 0.5 ~ 1mm, for subsequent use by the pack of its specification respectively; Get the aggregate chips powder made by described proportioning and according to the order number of design requirements during making; hollow glass micropearl, glass bead, rutile and rare-earth oxide is added again by described proportioning; after abundant mixing; again water-based emulsion, inorganic adhesive, wood fibre, polypropene staple and film coalescence aid are sent in electromagnetic speed-adjusting dispersion machine by described proportioning; add water by described proportioning more fully disperse, fused evenly aqueous to latex, namely make reflective insulation barren rock chip composite wall finish paint.Produce the various raw materials used by this paint vehicle, all can commercially directly buy.Electromagnetic speed-adjusting dispersion machine used in production can commercially directly be purchased, this machine can 360 ° of rotations, by the high-speed rotation dispersion in scuffing of cylinder bore of the dispersion impeller in machine, moistening, depolymerization, stabilization process, material can be made to form vortex cavity at 2.5-5mm place, dispersion impeller edge, material and particle are subject to high-shear and impact, material is made to be rolling circulation dress, produce high-strength whirlpool, material surface particle drops to bottom eddy current, in laminar flow regime below the dispersion impeller of dispersion machine, the pulp layer phase mutual diffusion of different in flow rate, play the effect of dispersion, therefore carry out the mixing of material with this machine and even results good, material can be made to dissolve rapidly by its dispersed with stirring, particle diminishes.
The composite wall finish paint produced according to technical solution of the present invention can combine with the various External Thermal Insulation Technology for External that market uses, and without the need to changing original technology way of external wall outer insulation, directly can spray on external thermal insulation wall surface, can save installation cost.Compared to traditional porcelain face brick, there is superpower safety performance, and with the consistency of any building exterior wall face height and matching, add the function of the thin light weight in upper strata, determine superpower cohesive force and working life, never drop-off, without any potential safety hazard.This paint vehicle imparts the facing visual effect of a kind of brief elegance of construction wall wall face, avoid the danger that high-rise building outer wall Surgery therapy finishing material comes off, being specially adapted to the wall decoration of high level, Super High exterior wall, is energy-saving and environmental protection type facing finishing material of new generation.Which overcome ceramic tile, shear loading that emmarble material produces because of deadweight, hurt sb.'s feelings to coming off of bringing of external wall heat insulation system, the harm such as easy to crack, infiltration, there is again the decorative effect compared favourably with ceramic tile, marble, and color also has more selection, it is the finishing material of external thermal insulation system first-selection.Decorative effect is high-end and atmospheric, and odorlessness is "dead" is the optimal selection of alternative traditional decoration material.Use this paint vehicle, not only can save a large amount of rock material resources, reduce rock material resource consumption, and have perfect true stone texture, have more ultra-thin and ultra-light, specification color is various, safety, environmental protection, the feature such as never to fade.It while meeting decorative effect, solve again coating and true mineral varnish easily fades, the disadvantage of pollution and crackle is alternative coating, the energy-saving reflecting heat-insulation and heat-preservation paint vehicle of the latest generation of ceramic tile and true mineral varnish, also be one of promising energy-efficient material, be particularly suitable for spread.