CN103951365A - Portland cement-sulphate aluminum cement-gypsum-polymer composite waterproof mortar and preparation method thereof - Google Patents
Portland cement-sulphate aluminum cement-gypsum-polymer composite waterproof mortar and preparation method thereof Download PDFInfo
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Abstract
The invention discloses portland cement-sulphate aluminum cement-gypsum-polymer composite waterproof mortar and a preparation method thereof. The method comprises the following steps: weighing the following raw materials in parts by weight: 35-50 parts of portland cement, 12-21 parts of sulphate aluminum cement, 5-12 parts of gypsum, 7-18 parts of redispersible polymer powder, 13.5-19 parts of filler and 1-3 parts of additive, and then stirring until the powder is fully and evenly mixed, so as to prepare the powder of waterproof mortar; in construction, pouring the powder into an agitator, adding water according to a mass ratio of the powder to water being 1:(0.4-0.6), and agitating until uniform mucilage free of aggregation is generated, so as to obtain the waterproof mortar. The mortar disclosed by the invention has excellent waterproof plugging effect. In addition, the mortar also has the advantages of good anti-permeability, high bonding strength, low shrinkage rate and the like, is applicable to special engineering in cold winter or relatively cold weather, and meets the requirements of engineering on properties such as early strength performance and water resistance.
Description
Technical field
The present invention relates to the preparation field of waterproof construction mortar material, be specifically related to a kind of silicate cement-aluminosulfate cement-gypsum-polymer composite water-proof mortar and preparation method thereof.
Background technology
Effectively solve building structure seepage, extend the life-span of buildings, be a difficult problem of Building technology always.The existence of moisture and migration are usually the major reasons of destroying concrete and masonry construction performance, as the Signs of Mould of the carbonization of concrete and mortar, steel bar corrosion, freeze-thaw damage and body of wall all with the existence of water with move relevant.Except reaching water proof anti-seepage by compact structure, the use of water-proof material becomes requisite waterproof means.Conventional waterproof material comprises water-based and solvent-borne type asphaltic base water-proof coating and coiled material, high-polymer modified pitch sill, various superpolymer waterproof fabric coiled material, polychloroprene latex, dry-mixed mortar waterproofing slurry and polymer-modified cement-based waterproof mortar etc., wherein polymer-modified cement-based waterproof mortar has excellent performance and outstanding weather resistance, is all admitted widely and applies as novel water-proof material buildings waterproof field in worldwide.
Only use the material waterproofing of cement base hydraulicity different from traditional, the existing inorganic hydraulic cementing materials of polymer cement waterproof mortar, again containing organic polymer resin, wherein the cement of inorganic binder can provide water tolerance skeleton, mechanical cohesive force with basal plane, long-term weather resistance and gain in strength, to the additional protection of cement based basic unit; Polymkeric substance can strengthen cement system as the second gelling material, and polymkeric substance is distributed in mortar equably, can strengthen the force of cohesion of system after film forming, increases the degree of compactness of system, reduces the generation in crack.The reticulated structure of polymkeric substance makes this rigidity system of cement structures become pliable and tough to adapt to possible stress deformation, polymkeric substance has made up again to the outstanding cohesive force on the even organic surface of the difficult maxxaedium of zero diopter the deficiency that cement coheres, and by being connected with the surperficial molecular level of inorganic materials (as cement) and hydrated product (as calcium hydroxide) defect that has made up cement.At normal temperatures, polymkeric substance carries out modification to cement, not only good waterproof performance but also reduction construction thickness.
But existing polymer cement waterproof mortar mostly is two component products of single inorganic gel system, and hydration reaction not exclusively, product early anti pressured intension is low, anti-permeability performance is poor, waterproof effect is bad in low temperature environment, and therefore its application is restricted.The second-order transition temperature of Chinese invention patent application CN102503300 employing interpolation 5%-10% is the butadiene-styrene copolymer redispersable latex powder modified cement base waterproof material of 16 DEG C, but under low temperature, workability is bad, and final setting time is long; US Patent No. 8076396 adopts aluminosulfate cement as inorganic gel system, polyacrylic ester is as dispersion agent, realize coating hard soon, improve to a certain extent the mobility of cement under low temperature, but well do not solve other performance issues under low temperature, as adhesion property, fracture resistance etc. yet.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of time of coagulation short, early stage folding strength and ultimate compression strength are high, have lower shrinking percentage and the silicate cement-aluminosulfate cement of anti-permeability performance-gypsum-polymer composite water-proof mortar and preparation method thereof.
The gelatinous material of the present invention using silicate cement-aluminosulfate cement-gypsum-polymer quaternary plural gel system as polymer cement waterproof mortar improves the low-temperature performance of product, prepares the polymer cement waterproof mortar of excellent performance.
Realize the technical scheme that object of the present invention adopts:
The preparation method of silicate cement-aluminosulfate cement-gypsum-polymer composite water-proof mortar, comprises following steps:
(1) preparation of powder: in mass fraction, after 35～50 parts of silicate cements, 12～21 parts of aluminosulfate cements and 5～12 parts, gypsum, redisperable polymer powder 7-18 part, filler 13.5-19 part and admixture 1-3 part are weighed, be stirred to powder and fully mix, prepare the powder of water resistant solution;
(2) while construction, powder is poured in clean agitator, added water while stirring, control the mass ratio 1:0.4-0.6 of powder and water, 300-1000r/min stirs 5-30 minute, until generate the even rubber cement without caking, obtains waterproof mortar;
Described redisperable polymer powder be ethylene-vinyl acetate copolymer (EVA) rubber powder, vinyl acetate-tertiary ethylene carbonate multipolymer (VA/VeoVA) rubber powder, butadiene-styrene copolymer (SBR) rubber powder of vinegar the third rubber powder, copolymer in cinnamic acrylic ester (SAE) rubber powder and Akzo Nobel N.V. of Wa Ke company etc. any one or more than;
Described filler is one or more in special fine quartz sand, glass powder, calcium carbonate superfine powder, process white and kaolin;
Stating admixture is cement water reducing agent.
Preferably, described silicate cement is one or more of ordinary Portland cement, Portland fly ash cement and Portland pozzolana cement.
Described aluminosulfate cement is one or more of quick hardening sulphoaluminate cement, high-strength aluminosulfate cement and low-alkalinity sulphoaluminate cement.
Described gypsum is without one or more of water anhydrite, αsemiwatergypsum, β semi-hydrated gypsum and dihydrate gypsum.
Described cement water reducing agent is one or more in the sulfonated polycondensate water reducer of sulfamate water reducer, melamine type, polycarboxylate high-efficiency water reducing agent and melamine system water reducer.
The fineness that described filler is is 200-3000 order.
Described be stirred to powder fully mix be with powder stirrer stir, rotating speed is 300-1000r/min, the time is 3-30min.
A kind of silicate cement-aluminosulfate cement-gypsum-polymer composite water-proof mortar, is made by above-mentioned preparation method.
The coagulated material of composite water-proof mortar of the present invention is taking silicate cement as main, and that affect its time of coagulation is the grog tricalcium aluminate (C of silicate cement
3a), add appropriate aluminosulfate cement and gypsum, be equivalent to introduce the anhydrous calcium sulphoaluminate (C that early activity is high in waterproof mortar system
4a
3, and adding also of gypsum plays to system the effect that promotes hydration reaction S).So there is early hydration speed faster by silicate cement-aluminosulfate cement-gypsum ternary inorganic plural gel system, can shorten the time of coagulation of polymer cement waterproof mortar.
The intensity of waterproof mortar is mainly from the aquation of cement in gelling system, and the adding of dehydrated gyp-, SO42-ion can generate more ettringite fast, between the ettringite of needle bar shape, mutually overlap, form reticulated structure, there is good toughness, thereby folding strength is higher.And hydrated product hydrated calcium silicate gel (C-S-H gel) and the calcium hydroxide of silicate cement in waterproof mortar, for product system provides higher ultimate compression strength.Add gypsum and can be used as the auxiliary raw material that regulates time of coagulation and promote hydration reaction, because the hydration rate of silicate cement be consistent without the hydration rate of water anhydrite, the dissolution rate of dehydrated gyp-is slower, the hydration rate of silicate cement is relatively slow, fully complementation participates in hydration reaction like this, makes waterproof mortar system have high ultimate compression strength.Therefore, ternary inorganic plural gel system can ensure that waterproof mortar saved drying time over half than single gelling system.Have in addition and have at low temperatures shorter setting time, reduce the time of drying that is coated with interlayer, shortened the advantage such as the completion date of engineering and raising workman's working efficiency.
Apply the constructional method of silicate cement-aluminosulfate cement of the present invention-gypsum-polymer composite water-proof mortar:
(1) basal plane must be firm, smooth, clean, free from dust, greasy, wax, releasing agent etc. and other detrital material, and all fine porositys, sand holes, honeycomb and scale, defective construction joint, crack can be with mending mortar by its floating repairing.
(2) before brushing polymer cement waterproof mortar, abundant moistening ground in advance, but can not have ponding.
(3) according to the water-cement ratio providing, fully stir (300-1000 rev/min) 8-30 minute until generate uniform rubber cement with agitator, then leave standstill after 3-5 minute, then stir and can use.
(4) use scrub-brush or cylinder slurry to be painted on the ground of handling well, construction in layer, the brushing direction of the second layer should be vertical with the first layer, is beneficial to the coverage effect that reaches best;
(5) finish after one deck, must slightly solid until it (just tack-free) after, then do the second layer, generally need 1-3 hour, particular case is depending on the degree of compactness of basal plane and temperature at that time.If exceed 24 hours, or coating has cured, thereon when the brushing second layer, and must be first with clear water again wetted surface;
(6) maintenance is solidified: within after slurry brushing second day, rise, and mist water spray or the cloth seal coat 2-3 days that wets for suggestion, then carry out closed-water test; Should treat that for the pond being filled with water for a long time its vacant two Zhou Houcai are filled with water;
(7) closed-water test: regulation test conditions under, with regulation method make polymer cement waterproof mortar produce crack, make test specimen crack place bear the hydraulic pressure of regulation, report from test specimen crack place produce seep water to the stand-by time that seeps water.Reference standard GB/T23445-2009;
(8) closed-water test completes, and qualified, is product qualified.
With respect to successively having technology, tool of the present invention has the following advantages:
(1) in the present invention formula, mix redisperable polymer powder and can reduce the shrinking percentage of waterproof mortar; Due to polymkeric substance film forming in sand-cement slurry, filling concrete mortar internal void, the degree of compactness of raising mortar.And polymkeric substance mix the cohesive strength that has improved mortar, and cohesive strength can slowly reduce with the increase of polymkeric substance volume.
(2) silicon acid salt cement ?sulphur aluminium acid salt cement ?stone cream ?polymkeric substance composite water-proof mortar has generated ettringite in hydration process, has improved the compactness of polymer cement waterproof mortar, thereby has improved the bending and compressive strength of mortar;
(3) select dehydrated gyp-or a small amount of semi-hydrated gypsum to add silicate cement-aluminosulfate cement-gypsum-polymer composite water-proof mortar to as retardant and aquation promotor, make waterproof polymer mortar there is best 28 days folding strengths and ultimate compression strength;
(4) compared with the polymer cement waterproof mortar of single gelling system, silicate cement-aluminosulfate cement-gypsum-polymer composite water-proof mortar has the feature such as excellent constructing operation performance, low temperature (5 DEG C) bending and compressive strength is high, hydrophobic is effective, scrubbing resistance, environment-protecting asepsis, and cost is low, P/C is than high, wide accommodation.
(5) composite water-proof mortar of the present invention is single-component package, has convenient construction compared with two-pack, the restriction in the time limit of not constructed.
Specific embodiment
Below in conjunction with embodiment, the invention will be further described, but embodiments of the present invention are not limited to this, for not dated especially processing parameter, can carry out with reference to routine techniques.
Embodiment related detection method is as follows below:
Fundamental property test comprises: time of coagulation, folding strength, ultimate compression strength, anti-permeability performance, cohesive strength, shrinking percentage.Time of coagulation, shrinking percentage, ultimate compression strength and folding strength are tested with reference to DL/T5126-2001 " polymer-modified cement mortar testing regulation ".Cohesive strength is with reference to 5.4 carrying out testing after moulding in JC/T907-2002.Anti-permeability performance test reference standard GB/T23445-2009 carries out.In addition, according to all technical requirement of waterproofing industry standard JC/T984-2011 " polymer cement waterproof mortar ", embodiment sample is tested.
Embodiment 1
Inorganic coagulation material: 12 parts of 50 parts of Portland fly ash cements, 13 parts of high-strength aluminosulfate cements and dihydrate gypsums;
Redispersable latex powder: 7 parts of vinegar the third rubber powders; Admixture: 2.5 parts of sulfamate powder high efficiency water reducing agents; Filler: 15.5 parts, glass powder (2500 order); Water-cement ratio: 0.6;
When preparation, comprise following steps:
(1) preparation of powder: in mass fraction, after 2.5 parts of 50 parts of Portland fly ash cements, 13 parts of high-strength aluminosulfate cements, 12 parts of dihydrate gypsums, 7 parts of vinegar the third rubber powders, glass powder 15.5 parts (2500 order) and sulfamate powder high efficiency water reducing agents are accurately weighed, with powder stirrer stirring (rotating speed is 300r/min) 30min, fully mix the powder that prepares water resistant solution to powder;
(2) while construction, powder is poured in clean agitator, slowly added water while stirring, the ratio of controlling powder and water is 1:0.6(water-cement ratio: 0.6), 500r/min stirs 17 minutes, is waterproof mortar until generate without the even rubber cement luming.
The performance test situation of gained waterproof mortar is as listed in table 1.
Table 1
The waterproof mortar performance of being prepared by data declaration the present embodiment of table 1, compared with Chinese patent CN102503300, makes the final setting time of the present embodiment be less than 6h owing to adding aluminosulfate cement, and the final setting time of CN102503300 is more than 12h.Compared with US Patent No. 8076396, the present embodiment, by adding appropriate redispersable latex powder, by inorganic coagulation material and the fine combination of organic polymer gelling material, has improved mortar folding strength and cohesive strength at low temperatures.In addition, the gypsum adding in the present embodiment has certain expansion, fills the gap that inorganic coagulation material forms together with polymkeric substance, the shrinking percentage after reducing system and condensing.
Embodiment 2
Inorganic coagulation material: 49 parts of Portland pozzolana cements, 21 parts of quick hardening sulphoaluminate cements and without 7 parts of water anhydrites; Redispersable latex powder: 8 parts of EVA rubber powders; Admixture: 1.5 parts of the efficient powder water reducers of the sulfonated polycondensate of melamine type; Filler: 13.5 parts of calcium carbonate superfine powders (1500 order);
Water-cement ratio: 0.5;
When preparation, comprise following steps:
(1) preparation of powder: in mass fraction, after accurately weighing by 49 parts of Portland pozzolana cements, 21 parts of quick hardening sulphoaluminate cements, without 1.5 parts of 7 parts of water anhydrites, 8 parts of EVA rubber powders, calcium carbonate superfine powder 13.5 parts (1500 order) and the efficient powder water reducers of the sulfonated polycondensate of melamine type, with powder stirrer stirring (rotating speed is 500r/min) 15min, fully mix the powder that prepares water resistant solution to powder;
(2) while construction, powder is poured in clean agitator, slowly added water while stirring, the ratio of controlling powder and water is 1:0.5(water-cement ratio: 0.5), 800r/min stirs 7 minutes, is waterproof mortar until generate without the even rubber cement luming.
The performance test situation of gained waterproof mortar is as listed in table 2.
Table 2
It is short that the waterproof mortar performance of being prepared by data declaration the present embodiment of table 2 has time of coagulation, and early stage folding strength and ultimate compression strength are high, have lower shrinking percentage and anti-permeability performance.
Embodiment 3
Inorganic coagulation material: 6 parts of 48 parts of ordinary Portland cements, 12 parts of low-alkalinity sulphoaluminate cements and αsemiwatergypsums;
Redispersable latex powder: 14 parts of SBR rubber powders; Admixture: 3 parts of powder polycarboxylate high-efficiency water reducing agents; Filler: 17 parts of special fine quartz sands (1000 order); Water-cement ratio: 0.4;
When preparation, comprise following steps:
(1) preparation of powder: in mass fraction, after 3 parts of 48 parts of ordinary Portland cements, 12 parts of low-alkalinity sulphoaluminate cements, 6 parts of αsemiwatergypsums, 14 parts of SBR rubber powders, special fine quartz sand 17 parts (1000 order) and powder polycarboxylate high-efficiency water reducing agents are accurately weighed, with powder stirrer stirring (rotating speed is 600r/min) 14min, fully mix the powder that prepares water resistant solution to powder;
(2) while construction, powder is poured in clean agitator, slowly added water while stirring, the ratio of controlling powder and water is 1:0.4(water-cement ratio: 0.4), 300r/min stirs 30 minutes, is waterproof mortar until generate without the even rubber cement luming.
The performance test situation of gained waterproof mortar is as listed in table 3.
Table 3
The waterproof mortar of being prepared by data declaration the present embodiment of table 3, owing to being quaternary gelling system, fully the advantages of organic and inorganic gelling system is got up, there is preferably early stage folding strength and ultimate compression strength high, anti-permeability strength and cohesive strength are high, have lower shrinking percentage.
Embodiment 4
Inorganic coagulation material: 20 parts of ordinary Portland cements, 25 parts of Portland fly ash cements, 6 parts of 10 parts of low-alkalinity sulphoaluminate cements, 7 parts of quick hardening sulphoaluminate cements and β semi-hydrated gypsums; Redispersable latex powder: 14 parts of VA/VeoVA rubber powders; Admixture: 1 part of the sulfonated polycondensate powder of melamine type water reducer; Filler: 17 parts of kaolin (500 order);
Water-cement ratio: 0.5
When preparation, comprise following steps:
(1) preparation of powder: in mass fraction, after 1 part of 20 parts of ordinary Portland cements, 25 parts of Portland fly ash cements, 10 parts of low-alkalinity sulphoaluminate cements, 7 parts of quick hardening sulphoaluminate cements, 6 parts of β semi-hydrated gypsums, 14 parts of VA/VeoVA rubber powders, kaolin 17 parts (500 order) and the sulfonated polycondensate powder of melamine type water reducer is accurately weighed, with powder stirrer stirring (rotating speed is 700r/min) 12min, fully mix the powder that prepares water resistant solution to powder;
(2) while construction, powder is poured in clean agitator, slowly added water while stirring, the ratio of controlling powder and water is 1:0.5(water-cement ratio: 0.5), 600r/min stirs 14 minutes, is waterproof mortar until generate without the even rubber cement luming.
The performance test situation of gained waterproof mortar is as listed in table 4.
Table 4
The waterproof mortar of being prepared by data declaration the present embodiment of table 4, owing to being quaternary gelling system, fully the advantages of organic and inorganic gelling system is got up, there is early stage folding strength and ultimate compression strength preferably, anti-permeability strength and cohesive strength are high, have lower shrinking percentage.
Embodiment 5
Inorganic coagulation material: 5 parts of 40 parts of Portland fly ash cements, 20 parts of high-strength aluminosulfate cements and dehydrated gyp-s;
Redispersable latex powder: 18 parts of SAE latex powder; Admixture: 1 part, melamine superplasticizer pulvis; Filler: 16 parts of process whites (200 order)
Water-cement ratio: 0.4;
When preparation, comprise following steps:
(1) preparation of powder: in mass fraction, after 1 part, 40 parts of Portland fly ash cements, 20 parts of high-strength aluminosulfate cements, 5 parts of dehydrated gyp-s, 18 parts of SAE latex powder, process white 16 parts (200 order) and melamine superplasticizer pulvis accurately weighed, with powder stirrer stirring (rotating speed is 800r/min) 10min, fully mix the powder that prepares water resistant solution to powder;
(2) while construction, powder is poured in clean agitator, slowly added water while stirring, the ratio of controlling powder and water is 1:0.4(water-cement ratio: 0.4), 1000r/min stirs 5 minutes, is waterproof mortar until generate without the even rubber cement luming.
The performance test situation of gained waterproof mortar is as listed in table 5.
Table 5
The waterproof mortar of being prepared by data declaration the present embodiment of table 5, owing to being quaternary gelling system, fully the advantages of organic and inorganic gelling system is got up, there is shorter time of coagulation, early stage folding strength and ultimate compression strength preferably, excellent waterproofing and leakage-stopping performance and lower shrinking percentage.
Embodiment 6
Inorganic coagulation material: 5 parts of 35 parts of Portland pozzolana cements, 20 parts of low-alkalinity sulphoaluminate cements and dehydrated gyp-s; Redispersable latex powder: 10 parts of SAE rubber powders, 8 parts of EVA rubber powders; Admixture: 3 parts of powder polycarboxylate high-efficiency water reducing agents; Filler: 10 parts, glass powder (3000 order), 9 parts of kaolin (2000 order);
Water-cement ratio: 0.4;
When preparation, comprise following steps:
(1) preparation of powder: in mass fraction, after 3 parts of 35 parts of Portland pozzolana cements, 20 parts of low-alkalinity sulphoaluminate cements, 5 parts of dehydrated gyp-s, 10 parts of SAE rubber powders, 8 parts of EVA rubber powders, glass powder 10 parts (3000 order), kaolin 9 parts (2000 order) and powder polycarboxylate high-efficiency water reducing agents are accurately weighed, with powder stirrer stirring (rotating speed is 1000r/min) 3min, fully mix the powder that prepares water resistant solution to powder;
(2) while construction, powder is poured in clean agitator, slowly added water while stirring, the ratio of controlling powder and water is 1:0.4(water-cement ratio: 0.4), 700r/min stirs 12 minutes, is waterproof mortar until generate without the even rubber cement luming.
The performance test situation of gained waterproof mortar is as listed in table 6.
Table 6
The waterproof mortar of being prepared by data declaration the present embodiment of table 6, owing to being quaternary gelling system, fully the advantages of organic and inorganic gelling system is got up, there is shorter time of coagulation, early stage folding strength and ultimate compression strength preferably, anti-permeability strength and the cohesive strength of 7 days are high, the advantage that shrinking percentage is low.
According to engineering application needs, for the application region of construction temperature 0-10 DEG C, common polymer cement waterproof mortar there will be product there is no intensity, or curing age elongates, and affects the problems such as engineering delivery date.To this this technical products by under the environment at 5 DEG C construction and compare with general polymer cement waterproofing mortar, choosing the index of several keys tests, be respectively 3d intensity, apparent hydrophobic intensity and apparent scrub performance, low-temperature performance test result is as listed in table 7.
Table 7
The test result of table 7 shows, compared with the polymer cement waterproof mortar of single inorganic gel system, the waterproof mortar of silicate cement-aluminosulfate cement of the present invention-gypsum-polymer quaternary plural gel system has excellent constructing operation performance, its final setting time of the lower construction of low temperature (5 DEG C) is short, the anti-folding of 3 days and ultimate compression strength is high, hydrophobic is effective, have good waterproofing and leakage-stopping effect, and P/C is than high, wide accommodation.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (8)
1. the preparation method of silicate cement-aluminosulfate cement-gypsum-polymer composite water-proof mortar, is characterized in that comprising following steps:
(1) preparation of powder: in mass fraction, after 35～50 parts of silicate cements, 12～21 parts of aluminosulfate cements and 5～12 parts, gypsum, redisperable polymer powder 7-18 part, filler 13.5-19 part and admixture 1-3 part are weighed, be stirred to powder and fully mix, prepare the powder of water resistant solution;
(2) while construction, powder is poured in clean agitator, added water while stirring, control the mass ratio 1:0.4-0.6 of powder and water, 300-1000r/min stirs 5-30 minute, until generate the even rubber cement without caking, obtains waterproof mortar;
Described redisperable polymer powder be in vinegar the third rubber powder, copolymer in cinnamic acrylic ester rubber powder, ethylene-vinyl acetate copolymer rubber powder, vinyl acetate-tertiary ethylene carbonate multipolymer rubber powder and butadiene-styrene copolymer rubber powder any one or more than;
Described filler is one or more in special fine quartz sand, glass powder, calcium carbonate superfine powder, process white and kaolin;
Described admixture is cement water reducing agent.
2. preparation method according to claim 1, is characterized in that, described silicate cement is one or more of ordinary Portland cement, Portland fly ash cement and Portland pozzolana cement.
3. preparation method according to claim 1, is characterized in that, described aluminosulfate cement is one or more of quick hardening sulphoaluminate cement, high-strength aluminosulfate cement and low-alkalinity sulphoaluminate cement.
4. preparation method according to claim 1, is characterized in that, described gypsum is without one or more of water anhydrite, αsemiwatergypsum, β semi-hydrated gypsum and dihydrate gypsum.
5. preparation method according to claim 1, is characterized in that, described cement water reducing agent is one or more in the sulfonated polycondensate water reducer of sulfamate water reducer, melamine type, polycarboxylate high-efficiency water reducing agent and melamine system water reducer.
6. preparation method according to claim 1, is characterized in that, the fineness that described filler is is 200-3000 order.
7. preparation method according to claim 1, is characterized in that, described in be stirred to powder fully mix be with powder stirrer stir, rotating speed is 300-1000r/min, the time is 3-30min.
8. silicate cement-aluminosulfate cement-gypsum-polymer composite water-proof mortar, is characterized in that it is made by preparation method described in claim 1-7 any one.
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