CN103351687A - Anti-stripping exterior wall putty powder - Google Patents

Abstract

The invention discloses anti-stripping exterior wall putty powder. The anti-stripping exterior wall putty powder is prepared from the following raw materials in parts by weight: 40-44 parts of diatomite, 6-8 parts of talcum powder, 2-4 parts of white bentonite, 12-14 parts of white portland cement, 7-9 parts of high-strength gypsum powder, 2-3 parts of hydroxypropyl methyl cellulose and 6-8 parts of titanium dioxide. The anti-stripping exterior wall putty powder disclosed by the invention does not contain harmful substances. As the components of the anti-stripping exterior wall putty powder are adjusted, the bonding strength of the putty is enhanced, and the anti-stripping property of the putty is improved.

Description

A kind of putty powder for exterior wall of antistripping

Technical field

The present invention relates to building material technical field, relate in particular to a kind of putty powder for exterior wall of antistripping.

Background technology

The quality of exterior wall putty quality directly affects the ornamental and weather resistance of coating ornamental surface; the exterior wall putty that use properties is inferior or inner wall putty external application; often cause finally engineering delivery to be used namely occurring soon that metope comes off, hollowing, cracking; part or big area coating are lost original decoration and defencive function, have had a strong impact on the normal use of buildings.The specification of quality of construction work External Wall putty is mainly reflected on the indexs such as cohesive strength, initial stage splitting resistance and dynamic splitting resistance, and cohesive strength is important technology index wherein.Often relatively poor because of the putty quality product in the building operation, cause putty normally to be attached to surface of wall, cause the efflorescence of putty top layer or come off, even peeling, leave the foaming vestige after the drying.

The Chinese patent application of CN1796467 discloses a kind of name and has been called lacquer putty paste, powder capable of for purifying air in use on inner wall and outer wall, be specially: a kind of lacquer putty paste, powder capable of for purifying air in use on inner wall and outer wall, following raw materials according is made according to following weight proportion: tourmalinite 10-20 part, talcum powder 800-1000 part, carboxymethyl cellulose 20-40 part, formaldehyde 0.4-0.8 part, 1.5 parts in whitening agent, water 300-500 part.Its advantage of putting down in writing in this description of the invention is: 1, have antibiotic, antibacterial effect, have the function that purifies air, can dispel the multiple toxic gases such as indoor formaldehyde, ammonia, radon, benzene.2, because tourmalinite can be launched the efficient far infrared rays of 4-14um, the 0.06MA bioelectric current of generation and human-body biological electric current 0.06MA are complementary.Therefore the present invention can reach and keep HUMAN HEALTH, strengthens the effect of the physique of human body.

But this patent application has following deficiency: at first, also be added with formaldehyde in its raw material, but mention in its effect and can dispel formaldehyde; Secondly, it is take talcum powder as main raw material, and talcum powder is a kind of filler, although added carboxymethyl cellulose in prescription, therefore its proportion seldom is easy to cause putty coating efflorescence, cracking, hollowing and comes off.

Summary of the invention

The object of the invention is to propose a kind of putty powder for exterior wall of antistripping, wherein be not added with harmful substances, and form by adjusting component, strengthen the bonding strength of putty, improved antistrip performance.

A kind of putty powder for exterior wall of antistripping, this putty powder for exterior wall is comprised of the following raw materials according in weight part: diatomite 40-44 part, talcum powder 6-8 part, white wilkinite 2-4 part, white portland cement 12-14 part, high strength gypsum powder 7-9 part, Vltra tears 2-3 part, titanium dioxide 6-8 part.

Preferably, this putty powder for exterior wall is comprised of the following raw materials according in weight part: diatomite 41-43 part, talcum powder 6.5-7.5 part, white wilkinite 2.5-3.5 part, white portland cement 12.5-13.5 part, high strength gypsum powder 7.5-8.5 part, Vltra tears 2.3-2.7 part, titanium dioxide 6.5-7.5 part.

Most preferably, this putty powder for exterior wall is comprised of the following raw materials according in weight part: 42 parts in diatomite, 7 parts of talcum powder, 3 parts of white wilkinites, 13 parts of white portland cements, 8 parts in high strength gypsum powder, 2.5 parts of Vltra tearss, 7 parts of titanium dioxides.

The performance of each component of the present invention and act on as follows:

Diatomite: diatomite is by unbodied SiO ₂Form, and contain a small amount of Fe ₂O ₃, CaO, MgO, Al ₂O ₃And organic impurity.Diatomite is widely used in emulsion paint, and coating for internal and external wall in the multiple coating systems such as alkyd varnish and Polyester Paint, is applicable to the production of building coating.In application of paint, the paint, control film coated surface gloss that can be balanced increases wear resistance and the mar-resistance of filming, and dries, deodorizing and can also purify air sound insulation, waterproof and characteristics heat insulation, that permeability is good.Diatomite does not contain toxic chemical substance, does not fire except having, sound insulation, waterproof, the characteristics such as lightweight and heat insulation, and the effect such as also have dehumidifying, deodorizing, purify the air of a room is good environment-friendly type indoor and outdoor decoration material.Diatomite can be regulated indoor humidity, except not giving out the harmful chemical substance, also is improved the effect of living environment with the indoor and outdoor coating of diatomite production, finishing material.Diatomite can be regulated indoor humidity automatically, and indoor and outdoor coating, the wall material produced with it have the characteristics such as superfluorescent fiber, Porous, and its ultra tiny boring ratio charcoal also will have more 5000 to 6000 times.When indoor humidity rose, the ultra micro pore on the kieselguhr wall material can the airborne moisture content of automatic absorption, and it is stored.If the moisture content in the room air reduces, humidity descends, kieselguhr wall material just can discharge the moisture content that is stored in the ultra micro pore.Diatomite indoor and outdoor coating, finishing material can also absorb and decompose the material that causes people's allergy, and medical functions is arranged.Kieselguhr wall material can produce waterfall effect to absorption and the release of moisture content, and water molecules is resolved into negative ions.Negative ions the group swim in air everywhere, and sterilizing ability is arranged.

Talcum powder: Chinese another name hydrated magnesium silicate ultrafine powder, talcous main component is talcum.Talcum belongs to oblique system, and crystal is the sheet of false six sides or rhombus.Be generally fine and close bulk, foliated lamellar, radial, fibrous agrregate.Water white transparency or white, but present light green, pale yellow, shallow palm fibre even light red because containing a small amount of impurity; Be pearliness on the cleavage surface.Hardness 1, proportion 2.7～2.8.Good physics, the chemical propertys such as talcum has oilness, anti-sticks, helps that stream, resistivity against fire, resistance to acid, insulativity, fusing point are high, chemical torpescence, opacifying power are good, softness, good luster, adsorptive power are strong, because the crystal structure of talcum is stratiform, so have the trend that easily splits into scale and special slip, if Fe ₂O ₃The very high insulativity that then can lower it of content.Produce the talcum powder that the building decoration putty powder is used, be that the talcum (talcous raw material) that will exploit first carries out selected, the talcum after selected can be directly broken with Raymond mill or other high pressure abrasive dust, can obtain talcum powder after the pulverizing.

White wilkinite: have the flight of colors of going out and absorption property, also have good plasticity, cohesiveness and perviousness, be conducive to increase putty powder for exterior wall to the sticking power of building wall.

White portland cement: have the pure white exquisiteness of color and luster, intensity is high, sticking power good, cohesive force is large and the characteristics of anti-cracking, can strengthen the later strength of putty powder for exterior wall, can avoid exterior wall to produce and return white phenomenon.

The high strength gypsum powder: good fluidity before the sclerosis has the little characteristics of higher degree of compactness, intensity and shrinking percentage after the sclerosis.

Vltra tears: cohesive strength is high, the water-holding agent performance is good, after Vltra tears adds exterior wall putty, can make the putty coating light fine and smooth, not shedding improves flow leveling, improves putty-painting and prolongs operable time, putty can be because not doing to such an extent that chap too soon after smearing, and can strengthen the intensity after putty hardens.

Titanium dioxide: have the strong characteristics of opacifying power, reducing power and flowing property, the aspects such as ornamental, the weathering resistance of putty, chemical-resistant stability are played keying action.

Compared with prior art, the present invention has following beneficial effect: invention is not added with pollution, poisonous component, so good environmental protection, adopt simultaneously diatomite as aggregate, as mentioned above, diatomite has the effect of absorption obnoxious flavour, therefore, the environmental-protecting performance of putty of the present invention is excellent.By the component of adjustment putty powder for exterior wall and the content proportioning of each component, so that the bonding strength of coating is high; The antistripping ability is strong, thus have that cohesiveness is good, strong adhesion, film forming properties be stable, intensity high life length, water-fast freedom from cracking, not shedding, with dope viscosity firmly and the characteristics of saving coating.

Embodiment

Embodiment 1

A kind of putty powder for exterior wall of antistripping, this putty powder for exterior wall is comprised of the following raw materials according in weight part: 40 parts in diatomite, 8 parts of talcum powder, 2 parts of white wilkinites, 14 parts of white portland cements, 7 parts in high strength gypsum powder, 3 parts of Vltra tearss, 6 parts of titanium dioxides.

Embodiment 2

A kind of putty powder for exterior wall of antistripping, this putty powder for exterior wall is comprised of the following raw materials according in weight part: 44 parts in diatomite, 6 parts of talcum powder, 4 parts of white wilkinites, 12 parts of white portland cements, 9 parts in high strength gypsum powder, 2 parts of Vltra tearss, 8 parts of titanium dioxides.

Embodiment 3

A kind of putty powder for exterior wall of antistripping, this putty powder for exterior wall is comprised of the following raw materials according in weight part: 41 parts in diatomite, 7.5 parts of talcum powder, 2.5 parts of white wilkinites, 13.5 parts of white portland cements, 7.5 parts in high strength gypsum powder, 2.7 parts of Vltra tearss, 6.5 parts of titanium dioxides.

Embodiment 4

A kind of putty powder for exterior wall of antistripping, this putty powder for exterior wall is comprised of the following raw materials according in weight part: 43 parts in diatomite, 6.5 parts of talcum powder, 3.5 parts of white wilkinites, 12.5 parts of white portland cements, 8.5 parts in high strength gypsum powder, 2.3 parts of Vltra tearss, 7.5 parts of titanium dioxides.

Embodiment 5

A kind of putty powder for exterior wall of antistripping, this putty powder for exterior wall is comprised of the following raw materials according in weight part: 42 parts in diatomite, 7 parts of talcum powder, 3 parts of white wilkinites, 13 parts of white portland cements, 8 parts in high strength gypsum powder, 2.5 parts of Vltra tearss, 7 parts of titanium dioxides.

The above; only be the better embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.

Claims (3)

1. the putty powder for exterior wall of an antistripping, it is characterized in that, this putty powder for exterior wall is comprised of the following raw materials according in weight part: diatomite 40-44 part, talcum powder 6-8 part, white wilkinite 2-4 part, white portland cement 12-14 part, high strength gypsum powder 7-9 part, Vltra tears 2-3 part, titanium dioxide 6-8 part.

2. the putty powder for exterior wall of antistripping as claimed in claim 1, it is characterized in that, this putty powder for exterior wall is comprised of the following raw materials according in weight part: diatomite 41-43 part, talcum powder 6.5-7.5 part, white wilkinite 2.5-3.5 part, white portland cement 12.5-13.5 part, high strength gypsum powder 7.5-8.5 part, Vltra tears 2.3-2.7 part, titanium dioxide 6.5-7.5 part.

3. such as the putty powder for exterior wall of the described antistripping of claim 1-2, it is characterized in that, this putty powder for exterior wall is comprised of the following raw materials according in weight part: 42 parts in diatomite, 7 parts of talcum powder, 3 parts of white wilkinites, 13 parts of white portland cements, 8 parts in high strength gypsum powder, 2.5 parts of Vltra tearss, 7 parts of titanium dioxides.