CN105731982A - Non-toxic anti-crack putty and method for preparing same - Google Patents
Non-toxic anti-crack putty and method for preparing same Download PDFInfo
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- CN105731982A CN105731982A CN201610132402.6A CN201610132402A CN105731982A CN 105731982 A CN105731982 A CN 105731982A CN 201610132402 A CN201610132402 A CN 201610132402A CN 105731982 A CN105731982 A CN 105731982A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
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Abstract
The invention discloses non-toxic anti-crack putty.The non-toxic anti-crack putty mainly comprises, by weight, 18-24 parts of calcite powder, 35-45 parts of shell powder, 25-32 parts of perlite, 3-6 parts of hydroxypropyl methyl celluloses, 7-13 parts of starch ether, 6-10 parts of modified seaweed, 6-12 parts of calcium carbonate, 3-4 parts of ethylenediamine, 4-7 parts of formic acid, 18-23 parts of diatomaceous earth, 7-15 parts of latex powder, 6-9 parts of sodium silicate, 4-6 parts of rosin, 3-5 parts of methyl silicone oil and 22-26 parts of water.The non-toxic anti-crack putty has the advantages that good anti-crack effects can be realized by the non-toxic anti-crack putty, the non-toxic anti-crack putty is good in adhesion, water resistance and glossiness and high in strength and is non-toxic and odorless, processes for manufacturing the non-toxic anti-crack putty are simple and are convenient to implement and suitable for factory mass production, and the like.
Description
Technical field
The present invention relates to building material technical field, especially relate to a kind of nontoxic anti-crack mastic and preparation method.
Background technology
For the auxiliary products of base treatment when putty is building filler application.The basic role of putty is the defect filling up body of wall basic unit, carries out levelling to basic unit, thus increases the smooth degree of basic unit.The specific function of putty has cracking resistance and produces various decorative models etc..Putty must adapt with the requirement of selected stuffing box application.Putty is usually and is made up of base material, filler, water and auxiliary agent etc..Base material is also referred to as binding agent, is the main ingredient of putty, acts primarily as various effects such as cohering.Filler acts primarily as filling effect, and conventional has calcium carbonate, Pulvis Talci and quartz sand etc..Auxiliary agent has thickening agent, water-retaining agent, preservative etc..Thickening agent and water-retaining agent play water conservation, improve storage and the effect of application property, generally use cellulose family.Preservative mainly prevents from going bad because of corrupt in storage process.In addition with antifreeze, slipping agent, water reducer etc..
Anti-crack mastic is typically formulated by high grade cement, filler, synthetic polymer and selected additive etc., by flexibility and the difference of water resistance of putty, is divided into plain edition exterior wall putty, flexible type exterior wall putty and water proof type exterior wall putty.During use, the water of addition 30% stirs.In the last few years, along with development and the raising of coating specification of coating process, putty application in coating engineering increasingly came into one's own.For the auxiliary products of base treatment when putty is building filler application.The basic role of putty is the defect filling up body of wall basic unit, carries out levelling to basic unit, thus increases the smooth degree of basic unit.
In existing anti-crack mastic, publication number CN 104559409 A(application number 201410823848.4) patent disclose a kind of environmental protective exterior wall putty, described exterior wall putty is made up of the component of following parts by weight: calcium carbonate stone powder 45-65 part, coalescents 6-9 part, high strength gypsum powder 85-95 part, sierozem power 21-24 part, white cement 40-60 part, vinegar second emulsion 50-70 part, cellulose 7-9 part, wetting dispersing agent 30-50 part, defoamer 10-20 part, stearic acid 1-2 part, preservative 10-20 part and deionized water 40-70 part.Publication number CN 104530804 A(application number 201410823748.1) patent disclose the anti-crack mastic cream of a kind of high-tenacity, including the component of following parts by weight: loess powder 15-30 part, antimitotic agent 15-20 part, sierozem power 25-40 part, elastic emulsion 15-25 part, coalescents 1.5-3.5 part, adhesive 20-30 part, vinyl alcohol 5-10 part, antifungus agent 1.5-2.5 part and deionized water 20-40 part.Publication number CN 103232744 A(application number 201310134495.2) patent disclose a kind of Exterior-wall crack-resistant putty powder, this Exterior-wall crack-resistant putty powder mainly by: cement, sand, ground calcium carbonate, hydroxypropyl methyl cellulose, latex powder, polyphosphazene polymer propylamine, lignocellulose, polypropene staple etc. form.
Building putty powder present on market is varied at present, be mostly first with slaked lime levelling after criticize putty again, so slaked lime in metope generates calcium carbonate with the carbon dioxide reaction in air, easily cause volumetric expansion, reduce water proofing property and intensity reduces, adhesive force is not strong, finally results in metope cracking and body of wall produces Seepage, jeopardize the normal daily life of resident.Also can there is toxicity in have, affect health.
Summary of the invention
Deficiency for existing nontoxic anti-crack mastic, an object of the present invention is to provide a kind of nontoxic anti-crack mastic, effect of prestressed is good, cohesive, resistance to water and glossiness are good, there is the features such as high intensity, nonpoisonous and tasteless, cohesive is good, and processing technology is simple, easy to operate, it is suitable for factory's formula large-scale production.Another object is just to provide the preparation method of above-mentioned nontoxic anti-crack mastic.
The above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of nontoxic anti-crack mastic, takes off and states the primary raw material of weight proportion and be prepared from: calcite in powder 18-24 part, conch meal 35-45 part, perlite 25-32 part, hydroxypropyl methylcellulose 3-6 part, starch ether 7-13 part, modified Sargassum 6-10 part, calcium carbonate 6-12 part, ethylenediamine 3-4 part, formic acid 4-7 part, kieselguhr 18-23 part, latex powder 7-15 part, sodium silicate 6-9 part, Colophonium 4-6 part, methyl-silicone oil 3-5 part, water 22-26 part.
A kind of nontoxic anti-crack mastic, preferably scheme is, takes off and states the primary raw material of weight proportion and be prepared from: calcite in powder 20-22 part, conch meal 38-42 part, perlite 28-30 part, hydroxypropyl methylcellulose 4-5 part, starch ether 9-11 part, modified Sargassum 7-9 part, calcium carbonate 8-10 part, ethylenediamine 3.3-3.7 part, formic acid 5-6 part, kieselguhr 20-22 part, latex powder 10-12 part, sodium silicate 7-8 part, Colophonium 4.5-5.5 part, methyl-silicone oil 3.5-4.5 part, water 23-25 part.
A kind of nontoxic anti-crack mastic, scheme more preferably is, takes off and states the primary raw material of weight proportion and be prepared from: calcite in powder 21 parts, conch meal 40 parts, perlite 29 parts, hydroxypropyl methylcellulose 4.5 parts, starch ether 10 parts, modified Sargassum 8 parts, calcium carbonate 9 parts, ethylenediamine 3.5 parts, 5.5 parts of formic acid, 21 parts of kieselguhr, latex powder 11 parts, sodium silicate 7.5 parts, Colophonium 5 parts, methyl-silicone oil 4 parts, 24 parts of water.
The preparation method of above-mentioned nontoxic anti-crack mastic, step is as follows:
(1) perlite and sodium silicate are placed in pulverizer, mechanical activation comminution 20-30 minute, are placed in blender, add calcium carbonate, stir 20-30 minute, cross 100-140 mesh sieve；
(2) being smashed to pieces by Colophonium, be placed in agitator tank, add acetone, stirring 15-20 minute, is placed in couveuse clockwise, and regulation temperature is 43-46 DEG C, and insulation is placed 4-6 hour；
(3) 63-67 DEG C is heated water to, pour in the reactor with thermometer, it is sequentially added into calcite in powder, conch meal and kieselguhr, stir, it is heated to insulation 30-40 minute when 100-116 DEG C, continue to be slowly heated to add formic acid, insulation reaction 3-5 hour when 136-145 DEG C, be cooled to room temperature；
(4) step (1) products therefrom is joined in step (3) gained reactor, start stirring, starch ether and modified Sargassum are sequentially added in reactor, continue stirring 10-15 minute, add sodium hydroxide, regulation pH is 7.2-7.6, adds hydroxypropyl methylcellulose, ethylenediamine and latex powder, high-speed stirred 20-30 minute；
(5) step (4) products therefrom is placed in high speed agitator, adds step (2) products therefrom and methyl-silicone oil, high-speed stirred 50-70 minute, equilibrium is warming up to 126-137 DEG C, being incubated 2-4 hour, it is 4%-6% that vacuum distilling removes water to water content, is down to room temperature, add sodium hydroxide, regulation pH is 7.0-7.2, is spray-dried, is rapidly cooled to room temperature at 160-180 DEG C, cross 240-280 mesh sieve, encapsulation.
The preparation method of above-mentioned nontoxic anti-crack mastic, preferred scheme is: 2-3 times that consumption is rosin quality of step (2) preferably acetone, the more preferably consumption of acetone are 2.5 times of rosin quality.
The preparation method of above-mentioned nontoxic anti-crack mastic, preferred scheme is: step (3) is preferably heated to insulation 33-37 minute when 106-110 DEG C, is more preferably heated to insulation 35 minutes when 108 DEG C.
The preparation method of above-mentioned nontoxic anti-crack mastic, preferred scheme is: it is 7.3-7.5 that step (4) preferably regulates pH, and more preferably regulation pH is 7.4.
The preparation method of above-mentioned nontoxic anti-crack mastic, preferred scheme is: step (5) preferably rotating speed be 4600r/min-5200r/min, more preferably rotating speed be 4900r/min.
The preparation method of above-mentioned nontoxic anti-crack mastic, preferred scheme is: it is that to remove water to water content be 5% for 4.5%-5.5%, more preferably vacuum distilling that step (5) preferably vacuum distilling removes water to water content.
The preparation method of above-mentioned nontoxic anti-crack mastic, preferred scheme is: step (5) is preferably spray-dried at 165-175 DEG C, is more preferably spray-dried at 170 DEG C.
Using method: add water move to the thick shape 30%-40% of nontoxic anti-crack mastic quality (consumption of water be), be again stirring for after standing 5-15 minute uniformly can using, criticize routinely with steel scraper plate or spatula and scrape.
The beneficial effects are mainly as follows:
1, the effect of prestressed of the nontoxic anti-crack mastic of the present invention is good, and cohesive, resistance to water and glossiness are good, has the features such as high intensity, nonpoisonous and tasteless, cohesive is good, and processing technology is simple, easy to operate, is suitable for factory's formula large-scale production.
2, after the nontoxic anti-crack mastic of the present invention is painted on metope, rate of drying is fast, and body of wall is in the environment of there is humidity change and difference variation, does not haves crackle, peeling, the phenomenon such as come off, and effect of prestressed is good,
3, the nontoxic anti-crack mastic of the present invention does not contains poisonous gas, environment friendly and pollution-free, safe and reliable, is green structural material, has higher economic benefit, social benefit and environmental benefit.
4, pure white exquisiteness after the nontoxic anti-crack mastic of the present invention is criticized and scraped, without polishing scratch, there is good covering power, it is adaptable to the various wall constructions such as cement wall surface, plasterboard, composite plate, be the excellent selection of metope inside and outside building, finishing field are repaired.
Detailed description of the invention
Describe technical scheme in detail below in conjunction with embodiment and experimental example, but protection domain is not limited by this.
Primary raw material brief introduction is as follows:
Calcite in powder: main component is ground calcium carbonate, it is typically used as filler, it is widely used in the daily-use chemical industry industries such as artificial floor tile, rubber, plastics, papermaking, coating, paint, ink, cable, building product, food, medicine, weaving, feedstuff, toothpaste, play as filler and increase the volume of product, reduce production cost.
Conch meal: be conch meal pulverized powder, main component is calcium carbonate, the most a small amount of aminoacid and polysaccharide material.It is widely applicable to animal and fowl fodder and food calcium source additive, ornaments processing, desiccant, cosmetics and the high-grade material of interior decoration.Conch meal biology coating is the most emerging house ornamentation interior wall coating, and natural environmental protection is its most important advantage.
Perlite: be the acidic lava of a kind of volcanic eruption, through the glassy rock of quick refrigeration, the most light grey, light green and brown, dioxide-containing silica reaches 70%, and moisture is 3-5%.Having sound absorption properties good, hygroscopicity is little, the performance that frost resistance is strong, is therefore widely used as the heat-insulating and noise-insulating material of building.
Hydroxypropyl methylcellulose: be the gossypin selecting high purity as raw material, prepare through special etherificate in the basic conditions.As water-retaining agent, the retarder of cement mortar, mortar is made to have pumping.At slurry of plastering, gypsum material, powder of lacquer putty for use on or other building materials as adhesive, improve smear and extend operable time.As sticking brick, marble, decorative plastic, paste reinforcing agent, it is also possible to reduce cement consumption.The water retention property of hydroxypropyl methyl cellulose makes slurry will not strengthen intensity after hardening because of so dry that to chap too soon after smearing.
Starch ether: being the starch substituent group ether of the hydroxyl in starch molecule and the generation of reactivity substance reaction, the etherification of starch improves viscosity stability, and ehter bond is not susceptible to hydrolysis under strongly alkaline conditions.Therefore, it is adaptable to all kinds of (cement, Gypsum Fibrosum, ash calcio) inner and external wall putty, all kinds of facing mortar motar, there is the good compatibility with other building, additive, be particularly well-suited to such as mortar, binding agent, plaster and the building dry blend such as roll-on material.
Modified Sargassum: the macromolecule modified water-soluble polymer purified by marine algae, with emulsions such as EVA as medium, reaction is crosslinked with cross-linking agent under high-temperature and high-pressure conditions, sprayed by swirling flow again, drying and crushing, making both can be the most instant, curable film-forming again, the water solublity powder body glue of stable chemical performance, the special additive being aimed at various external thermal insulation system and research and develop, play thickening and smooth effect, thus embody caking property, film property and the flexibility of excellence, there is good weather resisteant and stability simultaneously.Having higher cost performance, cost is greatly lowered, economy highlights.
Calcium carbonate: fine white crystalline powder, odorless, tasteless, foul smell can be absorbed, be important construction material, industrial purposes is the widest.As the white filler of plastics, paper, rubber, coating, ink etc., also serve as the filler manufacturing match, pencil, wax crayon, insulation material, welding rod etc..The advantages such as fine and smooth uniform, whiteness height, good in optical property can be had as loading pigment at coatings industry.
Ethylenediamine: colourless or slightly yellow oily or watery liquid, has the abnormal smells from the patient of similar ammonia.It it is a kind of important Organic Chemicals, can be used for producing agriculture chemicals fungicide, medicine intermediate, Insecticides (tech) & Herbicides (tech), dyestuff, dye fixing agent, synthetic emulsifier, demulsifier, fiber surface activity agent, water quality stabilizer, scale remover, brightening agent, bonding agent, thiofide, photographic process additive, the stabilizer of supertension lubricating oil, welding flux, amino resins, ethylenediamine Lauxite etc..It is used as viscosity modifier in the present invention, purchased from Jinan Chemical Co., Ltd. of Yunxiang.
Formic acid: colourless and have penetrating odor, is one of basic organic chemical industry raw material, is widely used in the industry such as pesticide, leather, dyestuff, medicine and rubber.Formic acid can be directly used for fabric processing, tanning, fabrics printing and dyeing and the storage of greenfeed, it is possible to as metal conditioner, rubber chemicals and industrial solvent.Organic synthesis is used for synthesize various formic acid esters, acridine dye and carboxamide series medicine intermediate.
Kieselguhr: be a kind of biogenic silicastone, be mainly made up of the remains of diatom in ancient times.Chemical composition is mainly SiO2, containing a small amount of Al2O3、Fe2O3, CaO, MgO etc. and organic, industrial be often used as insulation material, filler, grinding-material, decolorising agent and super-cell etc..It is widely used in diatom ooze, emulsion paint, in the multiple coating system such as coating for internal and external wall, is particularly suited for the production of building coating.
Latex powder: for white powder, be mainly used in the cement powder mortar of building trade, is the important additives of cement powder mortar.Adhesion strength and the cohesiveness of material can be improved；Improve transverse elasticity and the rupture strength of material；Improve the freeze-thaw resistance of material；Improve the weatherability of material, durability, wearability；Improve the hydrophobicity of material, reduce water absorption rate；Improve application property, reduce the shrinkage factor of material；Can effectively prevent cracking；Improve adhesive strength and cohesiveness.
Sodium silicate: be commonly called as sodium silicate, crystallizes for colourless orthogonal bipyramid or white is to canescence block or powder, is a kind of water-soluble silicate, and its aqueous solution is commonly called as waterglass, is a kind of ore deposit adhesive.Cohesive force is strong, intensity is higher, acid resistance, heat-resist.Brushing material surface, improve its weatherability, waterglass dipping with density as 1.35g/cm or the porous material such as brushing clay brick, cement concrete, silicate concrete, stone material, can improve the degree of compaction of material, intensity, impermeability, frost resistance and resistance to water etc..
Colophonium: with pine resin as raw material, the non-volatile natural resin obtained by different processing modes, it is widely used in the industries such as soap, papermaking, paint, rubber.Colophonium is soluble in various organic solvent, and easily film forming, glossy, is one of the base stock of paint.Building material industry is mainly used as concrete foaming agent and floor ornamental slab for paving the floor binding agent.Do thickening agent in the present invention to use, purchased from Zhengzhou Bo Yuan industrial chemicals company limited.
Methyl-silicone oil: be the polysiloxane of a kind of different polymerization degree chain structure, it is to be added water to hydrolyze by dimethyldichlorosilane to prepare first minification polycyclic body, ring body prepares low ring body through cracking, rectification, then ring body, closure agent, catalyst are put together and telomerized the mixture of the most available various different polymerization degrees, low-boiling-point substance is distilled off through decompression and prepares silicone oil.There is thermostability, electrical insulating property, weatherability, hydrophobicity, physiological inertia and the less surface tension of brilliance, additionally there is low viscosity-temperature coefficient, higher resistance to compression.It is used as defoamer in the present invention, purchased from Qingdao industrial organosilicon new material company limited.
Embodiment 1A kind of nontoxic anti-crack mastic, takes off and states primary raw material and be prepared from (every part takes 20kg): calcite in powder 18 parts, conch meal 35 parts, perlite 25 parts, hydroxypropyl methylcellulose 3 parts, starch ether 7 parts, modified Sargassum 6 parts, calcium carbonate 6 parts, ethylenediamine 3 parts, 4 parts of formic acid, 18 parts of kieselguhr, latex powder 7 parts, sodium silicate 6 parts, Colophonium 4 parts, methyl-silicone oil 3 parts, 22 parts of water.
A kind of nontoxic anti-crack mastic preparation process is as follows:
(1) perlite and sodium silicate are placed in pulverizer, mechanical activation comminution 20 minutes, are placed in blender, add calcium carbonate, stir 20 minutes, cross 100 mesh sieves；
(2) being smashed to pieces by Colophonium, be placed in agitator tank, add acetone 2 times of rosin quality (consumption be), stirring 15 minutes, are placed in couveuse clockwise, and regulation temperature is 43 DEG C, and insulation is placed 4 hours；
(3) heat water to 63 DEG C, pour in the reactor with thermometer, be sequentially added into calcite in powder, conch meal and kieselguhr, stir, be heated to insulation 30 minutes when 100 DEG C, continue to be slowly heated to add formic acid when 136 DEG C, insulation reaction 3 hours, is cooled to room temperature；
(4) step (1) products therefrom is joined in step (3) gained reactor, start stirring, starch ether and modified Sargassum are sequentially added in reactor, continue stirring 10 minutes, add sodium hydroxide, regulation pH is 7.2, adds hydroxypropyl methylcellulose, ethylenediamine and latex powder, high-speed stirred 20 minutes；
(5) being placed in high speed agitator by step (4) products therefrom, add step (2) products therefrom and methyl-silicone oil, (rotating speed is 4600r/min) stirs 50 minutes at a high speed, equilibrium is warming up to 126 DEG C, being incubated 2 hours, it is 4% that vacuum distilling removes water to water content, is down to room temperature, add sodium hydroxide, regulation pH is 7.0, is spray-dried, is rapidly cooled to room temperature at 160 DEG C, cross 240 mesh sieves, encapsulation.
Using method: add water move to the thick shape 30%-40% of nontoxic anti-crack mastic quality (consumption of water be), be again stirring for after standing 5-15 minute uniformly can using, criticize routinely with steel scraper plate or spatula and scrape.
Embodiment 2A kind of nontoxic anti-crack mastic, takes off and states primary raw material and be prepared from (every part takes 10kg): calcite in powder 24 parts, conch meal 45 parts, perlite 32 parts, hydroxypropyl methylcellulose 6 parts, starch ether 13 parts, modified Sargassum 10 parts, calcium carbonate 12 parts, ethylenediamine 4 parts, 7 parts of formic acid, 23 parts of kieselguhr, latex powder 15 parts, sodium silicate 9 parts, Colophonium 6 parts, methyl-silicone oil 5 parts, 26 parts of water.
A kind of nontoxic anti-crack mastic preparation process is as follows:
(1) perlite and sodium silicate are placed in pulverizer, mechanical activation comminution 30 minutes, are placed in blender, add calcium carbonate, stir 30 minutes, cross 140 mesh sieves；
(2) being smashed to pieces by Colophonium, be placed in agitator tank, add acetone 3 times of rosin quality (consumption of acetone be), stirring 20 minutes, are placed in couveuse clockwise, and regulation temperature is 46 DEG C, and insulation is placed 6 hours；
(3) heat water to 67 DEG C, pour in the reactor with thermometer, be sequentially added into calcite in powder, conch meal and kieselguhr, stir, be heated to insulation 40 minutes when 116 DEG C, continue to be slowly heated to add formic acid when 145 DEG C, insulation reaction 5 hours, is cooled to room temperature；
(4) step (1) products therefrom is joined in step (3) gained reactor, start stirring, starch ether and modified Sargassum are sequentially added in reactor, continue stirring 15 minutes, add sodium hydroxide, regulation pH is 7.6, adds hydroxypropyl methylcellulose, ethylenediamine and latex powder, high-speed stirred 30 minutes；
(5) being placed in high speed agitator by step (4) products therefrom, add step (2) products therefrom and methyl-silicone oil, (rotating speed is 5200r/min) stirs 70 minutes at a high speed, equilibrium is warming up to 137 DEG C, being incubated 4 hours, it is 6% that vacuum distilling removes water to water content, is down to room temperature, add sodium hydroxide, regulation pH is 7.2, is spray-dried, is rapidly cooled to room temperature at 180 DEG C, cross 280 mesh sieves, encapsulation.
Using method: add water move to the thick shape 30%-40% of nontoxic anti-crack mastic quality (consumption of water be), be again stirring for after standing 5-15 minute uniformly can using, criticize routinely with steel scraper plate or spatula and scrape.
Embodiment 3A kind of nontoxic anti-crack mastic, takes off and states primary raw material and be prepared from (every part takes 15kg): calcite in powder 20 parts, conch meal 38 parts, perlite 28 parts, hydroxypropyl methylcellulose 4 parts, starch ether 9 parts, modified Sargassum 7 parts, calcium carbonate 8 parts, ethylenediamine 3.3 parts, 5 parts of formic acid, 20 parts of kieselguhr, latex powder 10 parts, sodium silicate 7 parts, Colophonium 4.5 parts, methyl-silicone oil 3.5 parts, 23 parts of water.
A kind of nontoxic anti-crack mastic preparation process is as follows:
(1) perlite and sodium silicate are placed in pulverizer, mechanical activation comminution 23 minutes, are placed in blender, add calcium carbonate, stir 23 minutes, cross 110 mesh sieves；
(2) being smashed to pieces by Colophonium, be placed in agitator tank, add acetone 2.3 times of rosin quality (consumption be), stirring 17 minutes, are placed in couveuse clockwise, and regulation temperature is 44 DEG C, and insulation is placed 4.5 hours；
(3) heat water to 64 DEG C, pour in the reactor with thermometer, be sequentially added into calcite in powder, conch meal and kieselguhr, stir, be heated to insulation 33 minutes when 106 DEG C, continue to be slowly heated to add formic acid when 139 DEG C, insulation reaction 3.5 hours, is cooled to room temperature；
(4) step (1) products therefrom is joined in step (3) gained reactor, start stirring, starch ether and modified Sargassum are sequentially added in reactor, continue stirring 12 minutes, add sodium hydroxide, regulation pH is 7.3, adds hydroxypropyl methylcellulose, ethylenediamine and latex powder, high-speed stirred 23 minutes；
(5) being placed in high speed agitator by step (4) products therefrom, add step (2) products therefrom and methyl-silicone oil, (rotating speed is 4700r/min) stirs 55 minutes at a high speed, equilibrium is warming up to 130 DEG C, being incubated 2.5 hours, it is 4.5% that vacuum distilling removes water to water content, is down to room temperature, add sodium hydroxide, regulation pH is 7.05, is spray-dried, is rapidly cooled to room temperature at 165 DEG C, cross 250 mesh sieves, encapsulation.
Using method: add water move to the thick shape 30%-40% of nontoxic anti-crack mastic quality (consumption of water be), be again stirring for after standing 5-15 minute uniformly can using, criticize routinely with steel scraper plate or spatula and scrape.
Embodiment 4A kind of nontoxic anti-crack mastic, takes off and states primary raw material and be prepared from (every part takes 14kg): calcite in powder 22 parts, conch meal 42 parts, perlite 30 parts, hydroxypropyl methylcellulose 5 parts, starch ether 11 parts, modified Sargassum 9 parts, calcium carbonate 10 parts, ethylenediamine 3.7 parts, 6 parts of formic acid, 22 parts of kieselguhr, latex powder 12 parts, sodium silicate 8 parts, Colophonium 5.5 parts, methyl-silicone oil 4.5 parts, 25 parts of water.
A kind of nontoxic anti-crack mastic preparation process is as follows:
(1) perlite and sodium silicate are placed in pulverizer, mechanical activation comminution 27 minutes, are placed in blender, add calcium carbonate, stir 27 minutes, cross 130 mesh sieves；
(2) being smashed to pieces by Colophonium, be placed in agitator tank, add acetone 2.7 times of rosin quality (consumption be), stirring 15-20 minute, is placed in couveuse clockwise, and regulation temperature is 45 DEG C, and insulation is placed 5.5 hours；
(3) heat water to 66 DEG C, pour in the reactor with thermometer, be sequentially added into calcite in powder, conch meal and kieselguhr, stir, be heated to insulation 35 minutes when 112 DEG C, continue to be slowly heated to add formic acid when 142 DEG C, insulation reaction 4.5 hours, is cooled to room temperature；
(4) step (1) products therefrom is joined in step (3) gained reactor, start stirring, starch ether and modified Sargassum are sequentially added in reactor, continue stirring 14 minutes, add sodium hydroxide, regulation pH is 7.5, adds hydroxypropyl methylcellulose, ethylenediamine and latex powder, high-speed stirred 27 minutes；
(5) being placed in high speed agitator by step (4) products therefrom, add step (2) products therefrom and methyl-silicone oil, (rotating speed is 5000r/min) stirs 65 minutes at a high speed, equilibrium is warming up to 133 DEG C, being incubated 3.5 hours, it is 5.5% that vacuum distilling removes water to water content, is down to room temperature, add sodium hydroxide, regulation pH is 7.15, is spray-dried, is rapidly cooled to room temperature at 175 DEG C, cross 270 mesh sieves, encapsulation.
Using method: add water move to the thick shape 30%-40% of nontoxic anti-crack mastic quality (consumption of water be), be again stirring for after standing 5-15 minute uniformly can using, criticize routinely with steel scraper plate or spatula and scrape.
Embodiment 5A kind of nontoxic anti-crack mastic, takes off and states primary raw material and be prepared from (every part takes 20kg): calcite in powder 21 parts, conch meal 40 parts, perlite 29 parts, hydroxypropyl methylcellulose 4.5 parts, starch ether 10 parts, modified Sargassum 8 parts, calcium carbonate 9 parts, ethylenediamine 3.5 parts, 5.5 parts of formic acid, 21 parts of kieselguhr, latex powder 11 parts, sodium silicate 7.5 parts, Colophonium 5 parts, methyl-silicone oil 4 parts, 24 parts of water.
A kind of nontoxic anti-crack mastic preparation process is as follows:
(1) perlite and sodium silicate are placed in pulverizer, mechanical activation comminution 25 minutes, are placed in blender, add calcium carbonate, stir 25 minutes, cross 120 mesh sieves；
(2) being smashed to pieces by Colophonium, be placed in agitator tank, add acetone 2.5 times of rosin quality (consumption be), stirring 18 minutes, are placed in couveuse clockwise, and regulation temperature is 45 DEG C, and insulation is placed 5 hours；
(3) heat water to 65 DEG C, pour in the reactor with thermometer, be sequentially added into calcite in powder, conch meal and kieselguhr, stir, be heated to insulation 35 minutes when 108 DEG C, continue to be slowly heated to add formic acid when 140 DEG C, insulation reaction 4 hours, is cooled to room temperature；
(4) step (1) products therefrom is joined in step (3) gained reactor, start stirring, starch ether and modified Sargassum are sequentially added in reactor, continue stirring 13 minutes, add sodium hydroxide, regulation pH is 7.4, adds hydroxypropyl methylcellulose, ethylenediamine and latex powder, high-speed stirred 25 minutes；
(5) being placed in high speed agitator by step (4) products therefrom, add step (2) products therefrom and methyl-silicone oil, (rotating speed is 4900r/min) stirs 60 minutes at a high speed, equilibrium is warming up to 132 DEG C, being incubated 3 hours, it is 5% that vacuum distilling removes water to water content, is down to room temperature, add sodium hydroxide, regulation pH is 7.1, is spray-dried, is rapidly cooled to room temperature at 170 DEG C, cross 260 mesh sieves, encapsulation.
Using method: add water move to the thick shape 30%-40% of nontoxic anti-crack mastic quality (consumption of water be), be again stirring for after standing 5-15 minute uniformly can using, criticize routinely with steel scraper plate or spatula and scrape.
Test example:In order to verify the effect of a kind of nontoxic anti-crack mastic (embodiment 1-5) of the present invention, we have done contrast test, select cement wall surface, test temperature is 23 ± 2 DEG C, humidity is 50% ± 5%, and experimental group uses a kind of nontoxic anti-crack mastic of the present invention, adds water move to the thick shape 30%-40% of nontoxic anti-crack mastic quality (consumption of water be), it is again stirring for after standing 5-15 minute uniformly can using, criticizes routinely with steel scraper plate or spatula and scrape；Matched group uses other nontoxic anti-crack mastics (purchased from Qingdao Mei Erjia building and ornament materials company limited), measure respectively drying time (surface drying, h) and adhesion strength (MPa), observes initial dry cracking resistance (3h), concrete condition such as table 1:
Table 1
By table 1 it is apparent that, use the experimental group of the nontoxic anti-crack mastic of the present invention compared with the matched group using other building putties, drying time substantially shortens, the especially drying time of embodiment 5 is only 2.21h, and matched group is up to 4.94h, so the drying time of the use nontoxic anti-crack mastic of the present invention is short much more than the drying time using other building putties, improve efficiency of construction.And use the adhesion strength of the nontoxic anti-crack mastic of the present invention more than the sticking strength height using other building putties.Additionally, use the equal flawless of the nontoxic anti-crack mastic of the present invention, and use other building putties have crackle.So the present invention nontoxic anti-crack mastic function admirable, initial dry cracking resistance is good, is worth of widely use, and has bigger application prospect.
Finally it should be noted that, embodiment is the detailed description of the invention that the present invention is optimum, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a nontoxic anti-crack mastic, it is characterized in that, take off and state the primary raw material of weight proportion and be prepared from: calcite in powder 18-24 part, conch meal 35-45 part, perlite 25-32 part, hydroxypropyl methylcellulose 3-6 part, starch ether 7-13 part, modified Sargassum 6-10 part, calcium carbonate 6-12 part, ethylenediamine 3-4 part, formic acid 4-7 part, kieselguhr 18-23 part, latex powder 7-15 part, sodium silicate 6-9 part, Colophonium 4-6 part, methyl-silicone oil 3-5 part, water 22-26 part.
Nontoxic anti-crack mastic the most according to claim 1, it is characterized in that, take off and state the primary raw material of weight proportion and be prepared from: calcite in powder 20-22 part, conch meal 38-42 part, perlite 28-30 part, hydroxypropyl methylcellulose 4-5 part, starch ether 9-11 part, modified Sargassum 7-9 part, calcium carbonate 8-10 part, ethylenediamine 3.3-3.7 part, formic acid 5-6 part, kieselguhr 20-22 part, latex powder 10-12 part, sodium silicate 7-8 part, Colophonium 4.5-5.5 part, methyl-silicone oil 3.5-4.5 part, water 23-25 part.
Nontoxic anti-crack mastic the most according to claim 1, it is characterized in that, take off and state the primary raw material of weight proportion and be prepared from: calcite in powder 21 parts, conch meal 40 parts, perlite 29 parts, hydroxypropyl methylcellulose 4.5 parts, starch ether 10 parts, modified Sargassum 8 parts, calcium carbonate 9 parts, ethylenediamine 3.5 parts, 5.5 parts of formic acid, 21 parts of kieselguhr, latex powder 11 parts, sodium silicate 7.5 parts, Colophonium 5 parts, methyl-silicone oil 4 parts, 24 parts of water.
4. according to the preparation method of the arbitrary described nontoxic anti-crack mastic of claim 1-3, it is characterized in that, step is as follows:
(1) perlite and sodium silicate are placed in pulverizer, mechanical activation comminution 20-30 minute, are placed in blender, add calcium carbonate, stir 20-30 minute, cross 100-140 mesh sieve；
(2) being smashed to pieces by Colophonium, be placed in agitator tank, add acetone, stirring 15-20 minute, is placed in couveuse clockwise, and regulation temperature is 43-46 DEG C, and insulation is placed 4-6 hour；
(3) 63-67 DEG C is heated water to, pour in the reactor with thermometer, it is sequentially added into calcite in powder, conch meal and kieselguhr, stir, it is heated to insulation 30-40 minute when 100-116 DEG C, continue to be slowly heated to add formic acid, insulation reaction 3-5 hour when 136-145 DEG C, be cooled to room temperature；
(4) step (1) products therefrom is joined in step (3) gained reactor, start stirring, starch ether and modified Sargassum are sequentially added in reactor, continue stirring 10-15 minute, add sodium hydroxide, regulation pH is 7.2-7.6, adds hydroxypropyl methylcellulose, ethylenediamine and latex powder, high-speed stirred 20-30 minute；
(5) step (4) products therefrom is placed in high speed agitator, adds step (2) products therefrom and methyl-silicone oil, high-speed stirred 50-70 minute, equilibrium is warming up to 126-137 DEG C, being incubated 2-4 hour, it is 4%-6% that vacuum distilling removes water to water content, is down to room temperature, add sodium hydroxide, regulation pH is 7.0-7.2, is spray-dried, is rapidly cooled to room temperature at 160-180 DEG C, cross 240-280 mesh sieve, encapsulation.
Preparation method the most according to claim 4, is characterized in that: 2-3 times that consumption is rosin quality of step (2) preferably acetone, the more preferably consumption of acetone are 2.5 times of rosin quality.
Preparation method the most according to claim 4, is characterized in that: step (3) is preferably heated to insulation 33-37 minute when 106-110 DEG C, is more preferably heated to insulation 35 minutes when 108 DEG C.
Preparation method the most according to claim 4, is characterized in that: it is 7.3-7.5 that step (4) preferably regulates pH, and more preferably regulation pH is 7.4.
Preparation method the most according to claim 4, is characterized in that: step (5) preferably rotating speed be 4600r/min-5200r/min, more preferably rotating speed be 4900r/min.
Preparation method the most according to claim 4, is characterized in that: it is that to remove water to water content be 5% for 4.5%-5.5%, more preferably vacuum distilling that step (5) preferably vacuum distilling removes water to water content.
Preparation method the most according to claim 4, is characterized in that: step (5) is preferably spray-dried at 165-175 DEG C, is more preferably spray-dried at 170 DEG C.
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