CN103351683B - A kind of preparation method of inner wall putty - Google Patents
A kind of preparation method of inner wall putty Download PDFInfo
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- CN103351683B CN103351683B CN201310249939.7A CN201310249939A CN103351683B CN 103351683 B CN103351683 B CN 103351683B CN 201310249939 A CN201310249939 A CN 201310249939A CN 103351683 B CN103351683 B CN 103351683B
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Abstract
The invention discloses a kind of preparation method of inner wall putty, this inner wall putty is made up of following component with parts by weight: diatomite 46-50 part, Concavo-convex stick after purifying soil 10-12 part, talcum powder 3-5 part, expanded corn starch 14-16 part, Vltra tears 5-8 part, polyacrylamide 1-3 part, titanium dioxide 5-7 part, described preparation method comprises the following steps: S1 pours talcum powder, expanded corn starch and titanium dioxide in stirrer mix and blend successively, stirs 5-10 minute; Diatomite and Concavo-convex stick after purifying soil are poured in the mixture of S1 by S2 successively, stir 10-15 minute; Polyacrylamide and Vltra tears are added the mixture of S2 by S3, stir 20-30 minute, then cross 250 mesh sieves.
Description
Technical field
The present invention relates to building coating technical field, particularly relate to a kind of preparation method of inner wall putty, inner wall putty prepared by the method overcomes the defect of cement and gypsum binder, while maintenance cohesive strength is high, cracking resistance and antistrip performance improve, stability is strong, and can objectionable constituent in absorbing coating.
Background technology
The structure of modern architecture is an organic whole, and bearing wall, functional thermal insulation layer, waterproof layer, ornament layer, material at different levels complements each other, indispensable.Inner wall putty is between body of wall leveling mortar and dope layer, plays the levelling booster action with forming decorative textures pattern further.The accumulating of putty powder packaging is convenient, and scene adds water and stirs and can directly construct.Putty powder common on market is main component mainly with white cement, inert filler, chemical additive, is obtained by Homogeneous phase mixing, and after this dry powder material is transported to working-yard, directly adding water on request stirs into paste and get final product knife-coat application, very convenient.But defects such as being that traditional putty of agglutinate inevitably exists the easy shrinkage cracking of cement-based material with cement, flaking, peel off, and the putty prepared using gypsum as major gelled material, then effectively can avoid above-mentioned shortcoming, and construction of being more convenient for.
Such as, notification number is the preparation method that the Chinese invention patent of CN101037557 discloses preparing powder wall mastic with desullfurization gypsum, notification number is that the Chinese invention patent of CN1454945 discloses environmental-protection type gypsum-based putty powder for building, and notification number is the admixture that the Chinese invention patent of CN101423679 discloses anti-crack putty production by fluorgypsum.These patents prepare putty using plaster of Paris and desulfurated plaster, fluorgypsum as base-material, but still not good, the intensity of existence and stability and hardness do not reach the shortcomings such as Specific construction requirement to above-mentioned prior art.
And, along with the enhancing of environmental consciousness, people require the necessary environmental protection of the material of putty self, in addition, because coating will be put on a suit of armour in the outside of inner wall putty, and usually containing multiple organic composition in coating, wherein some composition is harmful, if the putty of nexine can objectionable impurities in absorbing coating, will greatly reduce it to the discharge in air.And the putty of objectionable constituent rarely has report in the prior art in absorbing coating.
Summary of the invention
The object of the invention is to the preparation method proposing a kind of inner wall putty, inner wall putty prepared by the method does not use cement and gypsum as binding agent, can avoid the defect of the putty of these two kinds of caking agents of employing of the prior art, and the putty prepared of the method can objectionable constituent in absorbing coating.
A preparation method for inner wall putty, this inner wall putty is made up of following component with parts by weight: diatomite 46-50 part, Concavo-convex stick after purifying soil 10-12 part, talcum powder 3-5 part, expanded corn starch 14-16 part, Vltra tears 5-8 part, polyacrylamide 1-3 part, titanium dioxide 5-7 part
Described preparation method comprises the following steps:
S1 pours talcum powder, expanded corn starch and titanium dioxide in stirrer mix and blend successively, stirs 5-10 minute;
Diatomite and Concavo-convex stick after purifying soil are poured in the mixture of S1 by S2 successively, stir 10-15 minute;
Polyacrylamide and Vltra tears are added the mixture of S2 by S3, stir 20-30 minute, then cross 250 mesh sieves.
Characteristic and the effect of each component of the present invention are as follows:
Diatomite: diatomite is by unbodied SiO
2composition, and containing a small amount of Fe
2o
3, CaO, MgO, Al
2o
3and organic impurity.Diatomite is widely used in emulsion paint, coating for internal and external wall, in the multiple coating such as alkyd varnish and Polyester Paint system, is applicable to the production of building coating.In application of paint, paint, control film coated surface gloss that can be balanced, increases wear resistance and the mar-resistance of film, dries, deodorizing and can also purifying air, sound insulation, waterproof and heat insulation, that permeability is good feature.Diatomite, not containing toxic chemical substance, does not fire except having, sound insulation, waterproof, except the feature such as lightweight and heat insulation, the effect such as also have dehumidifying, deodorizing, purify the air of a room is excellent environment-friendly type indoor and outdoor decoration material.Diatomite energy surge chamber humidity, the indoor and outdoor coating produced with diatomite, finishing material, except can not giving out harmful chemical substance, are also improved the effect of living environment.Diatomite can surge chamber humidity automatically, and the indoor and outdoor coating produced with its, wall material have the characteristic such as superfluorescent fiber, Porous, and its ultra tiny boring ratio charcoal also will have more 5000 to 6000 times.When humidity in indoor rises, the ultra micro pore on kieselguhr wall material can moisture content in automatic absorption air, is stored.If the moisture content in room air reduces, humidity declines, the moisture content be stored in ultra micro pore just can discharge by kieselguhr wall material.Diatomite indoor and outdoor coating, finishing material can also absorb the material that Sum decomposition causes people's allergy, have medical functions.Kieselguhr wall material can produce waterfall effect to the absorption of moisture content and release, and water-molecule dissociation is become negative ions.Negative ions group swim in atmosphere everywhere, has sterilizing ability.
Concavo-convex stick after purifying soil: attapulgite is a kind of containing the nanometer porous fibrous silicate clay mineral of Shuifu County's magnesium, time more than Attapulgite content>=80% in attapulgite clay, its specific surface area is comparatively large, can reach 500m
2/ more than g.Attapulgite soil property is fine and smooth, smooth surface, and quality is comparatively light, and be viscosity and plasticity-time moist, its viscosity can reach more than 3000mPas, is conducive to the bonding between raw material; Attapulgite clay drying shrinkage is little, and do not produce be full of cracks, can improve the sticking power of putty to building wall, Concavo-convex stick after purifying adds in putty solution, under external force stirs, form stable not stratified gelinite fast, have good viscosity and thixotropy.The method of purification of attapulgite is: by the Attapulgite ore deposit mixture containing earth impurity, input after crushed in hydrolytic tank, soak after 24 hours, carry out punching with high-pressure pump to turn over, and the impurity of more than 1 millimeter is removed by the drum sieve sieve made with stainless steel steel wire, send in acclive settling tank, continuation high-pressure pump carries out punching and turns over, after 12 hours, because the proportion in Attapulgite ore deposit is lighter, its the superiors in whole throw out, drawing this part Attapulgite ore deposit with slush pump sends in flat settling tank, unnecessary water is released after 15 hours, through the seasoning of 2-3 days, take out this part Attapulgite and be Concavo-convex stick after purifying soil.
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 because presenting light green, pale yellow, shallow palm fibre even light red containing a small amount of impurity; In pearliness in cleavage surface.Hardness 1, proportion 2.7 ~ 2.8.Talcum has oilness, anti-stick, help that stream, resistivity against fire, resistance to acid, insulativity, fusing point are high, chemical torpescence, opacifying power well, softness, good luster, the adsorptive power excellent Wuli-Shili-Renli system approach such as strong, crystal structure due to talcum is stratiform, so have the trend and special slip that easily split into scale, if the content of Fe2O3 is very high, its insulativity can be lowered.Producing the talcum powder of building decoration putty powder, is first undertaken selected by the talcum (talcous raw material) that exploitation comes, the talcum after selected can direct Raymond mill or other high pressure abrasive dust broken, can talcum powder be obtained after pulverizing.
Expanded corn starch: corn is after expanded, macroscopically showing that the volume of corn increases several times to tens times, porous, spongy, quality is loosened; Microcosmic showing, the molecular structure of W-Gum internal structure and chemical composition there occurs change, the hydrogen bond rupture between starch chain, chain is moved, and starch small grain disintegrates, degraded, α-change.In puffing process, along with the degraded of starch, a part of side chain of amylopectin is cut, and namely there occurs α-1,6 glycosidic bonds, and the ratio of shorter amylose starch is increased.The expanded degraded that not only result in amylopectin, and can also cause α in amylose starch-Isosorbide-5-Nitrae glycosidic bonds, produces small-molecule substance, namely sends out dextrinizing farinose.These all make the hydroxyl in original spiral coil outside exposed, can form hydrogen bond with water molecules, make original soluble in water also not become soluble in water.Namely the corn starch structure after expanded loosens, spongy, soluble in water.Infiltrate in water, expand, viscosity increases, and initial bonding strength strengthens, and bonding strength significantly improves, and this just makes expanded W-Gum directly to use as tackiness agent.
Vltra tears: the aqueous solution has surfactivity.The transparency is high, stable performance, and the product gelling temp of different size is different, and solubleness changes with viscosity, and viscosity is lower, and solubleness is larger, and its performance of different size HPMC has different, and the dissolving of HPMC in water does not affect by pH value.HPMC reduces with methoxy content, gelation point raises, water solubility declines, and surfactivity also declines.HPMC also has thickening capabilities, the low ashes of salt tolerance, PH stability, water-retentivity, dimensional stability, excellent film-forming properties and the feature such as resistance to enzymatic, dispersiveness and cohesiveness widely.
Polyacrylamide: have very strong oilness, agglutinating value(of coal), thickening property, adds the viscosity that a small amount of polyacrylamide can improve putty greatly in inner wall putty powder, increase the sticking power of putty and interior wall.
Titanium dioxide: have excellent water dispersible and remarkable optical property, form and aspect stability, size-grade distribution is good, has the feature of high gloss, high reducing power, high covering power.
Compared with prior art, the present invention has following beneficial effect: the present invention does not adopt cement and gypsum as binding agent, but use coordinating of expanded corn starch and other materials, overcome the defect of cement and gypsum binder, while maintenance cohesive strength is high, cracking resistance and antistrip performance improve, and stability is strong.Add attapulgite and diatomite in putty of the present invention, the two all belongs to porous material, and the characteristic of its porous can play the effect that harmful organic substance in outer field coating is put on a suit of armour in absorption, improves the environmental-protecting performance of outer layer coating.The present invention, on the basis of great many of experiments, determines above-mentioned component and proportioning content thereof, makes the effect of each component reach coordination technique effect, makes the excellent combination property of putty.Preparation method of the present invention mixes step by step, and putty is mixed, and further ensures the realization of putty design performance.
Embodiment
Embodiment 1
A preparation method for inner wall putty, this inner wall putty is made up of following component with parts by weight:
46 parts, diatomite, 12 parts, Concavo-convex stick after purifying soil, talcum powder 3 parts, expanded corn starch 16 parts, Vltra tears 5 parts, polyacrylamide 3 parts, titanium dioxide 5 parts,
Described preparation method comprises the following steps:
S1 pours talcum powder, expanded corn starch and titanium dioxide in stirrer mix and blend successively, stirs 5 minutes;
Diatomite and Concavo-convex stick after purifying soil are poured in the mixture of S1 by S2 successively, stir 15 minutes;
Polyacrylamide and Vltra tears are added the mixture of S2 by S3, stir 20 minutes, then cross 250 mesh sieves.
Embodiment 2
A preparation method for inner wall putty, this inner wall putty is made up of following component with parts by weight:
50 parts, diatomite, 10 parts, Concavo-convex stick after purifying soil, talcum powder 5 parts, expanded corn starch 14 parts, Vltra tears 8 parts, polyacrylamide 1 part, titanium dioxide 7 parts,
Described preparation method comprises the following steps:
S1 pours talcum powder, expanded corn starch and titanium dioxide in stirrer mix and blend successively, stirs 10 minutes;
Diatomite and Concavo-convex stick after purifying soil are poured in the mixture of S by S2 successively, stir 15 minutes;
Polyacrylamide and Vltra tears are added the mixture of S2 by S3, stir 30 minutes, then cross 250 mesh sieves.
Embodiment 3
A preparation method for inner wall putty, this inner wall putty is made up of following component with parts by weight:
48 parts, diatomite, 11 parts, Concavo-convex stick after purifying soil, talcum powder 4 parts, expanded corn starch 15 parts, Vltra tears 6.5 parts, polyacrylamide 2 parts, titanium dioxide 6 parts,
Described preparation method comprises the following steps:
S1 pours talcum powder, expanded corn starch and titanium dioxide in stirrer mix and blend successively, stirs 8 minutes;
Diatomite and Concavo-convex stick after purifying soil are poured in the mixture of S1 by S2 successively, stir 12 minutes;
Polyacrylamide and Vltra tears are added the mixture of S2 by S3, stir 25 minutes, then cross 250 mesh sieves.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (1)
1. a preparation method for inner wall putty, is characterized in that,
This inner wall putty is made up of following component with parts by weight: diatomite 48-50 part, Concavo-convex stick after purifying soil 10-11 part, talcum powder 3-4 part, expanded corn starch 15-16 part, Vltra tears 5-6.5 part, polyacrylamide 2-3 part, titanium dioxide 5-6 part;
Described preparation method comprises the following steps:
S1 pours talcum powder, expanded corn starch and titanium dioxide in stirrer mix and blend successively, stirs 8-10 minute;
Diatomite and Concavo-convex stick after purifying soil are poured in the mixture of S1 by S2 successively, stir 10-12 minute;
Polyacrylamide and Vltra tears are added the mixture of S2 by S3, stir 25-30 minute, then cross 250 mesh sieves.
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| CN107383984A (en) * | 2017-08-30 | 2017-11-24 | 常州瑞坦商贸有限公司 | A kind of preparation method of indoor water-resistant powder of lacquer putty for use on |
| CN107603321A (en) * | 2017-10-20 | 2018-01-19 | 桂林市春晓环保科技有限公司 | A kind of inner wall putty powder and preparation method thereof |
| CN109913026A (en) * | 2019-02-28 | 2019-06-21 | 江苏佑宝家居科技有限公司 | A kind of anion propellant, white overlay coating and preparation method |
| CN112778816A (en) * | 2021-03-23 | 2021-05-11 | 佛山市锐澳新材料有限公司 | Waterproof high-hardness air-permeable putty paste and preparation method thereof |
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