CN103864340B - A kind of mortar concrete waterproofing agent - Google Patents
A kind of mortar concrete waterproofing agent Download PDFInfo
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- CN103864340B CN103864340B CN201410111182.XA CN201410111182A CN103864340B CN 103864340 B CN103864340 B CN 103864340B CN 201410111182 A CN201410111182 A CN 201410111182A CN 103864340 B CN103864340 B CN 103864340B
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Abstract
Mortar concrete waterproofing agent disclosed by the invention be by soap-free polymerization formed have nucleocapsid structure, latex particle size <200nm organic silicon emulsion and water, economization agent for concrete, defoamer, water reducer, hydrated cementitious promotor, lithium compound and air entrapment agent is composite forms, it is when in mortar, volume is 1%, permeable pressure ratio >=420% of the waterproof mortar course obtained, water demand ratio≤48% of 48h; It is when in concrete, volume is 0.2%, water demand ratio≤26% of the water-proof concrete layer permeated height obtained than≤15%, 48h, shrinkage ratio≤102% of 28d.Not only containing the spherical particulate polymer of nucleocapsid in nano-scale in water-resisting agent provided by the invention, and also containing the compound such as economization agent, air entrapment agent, lithium salts with difference in functionality, thus more significantly can strengthen impermeability, water-repellancy, the weather resistance of waterproof layer, avoid cracking to strengthen toughness; Safety non-toxic simultaneously, produce simple, free from environmental pollution, cost is low, and construction is simple, and the open hour are short.
Description
Technical field
The invention belongs to mortar concrete waterproofing agent technical field, be specifically related to a kind of mortar concrete waterproofing agent.
Background technology
Waterproofing work occupies very important status in construction work, in construction work practice, because waterproof engineering design is unreasonable, selection is incorrect, it is coarse and quality accident that is that cause is of common occurrence to construct, gently then causes roofing and node seepage, whitewashes and come off; Heavy then cause underground works not had by water logging, even building collapsing, makes national wealth suffer a loss, and jeopardizes people's life safety.Therefore, waterproofing work must obtain high-quality enforcement and guarantee.
The quality of water-proof material is that can waterproofing work obtain high-quality enforcement and ensure one of the most key link.Through development for many years, current water-proof material can be divided into waterproof roll, waterproof paint, waterproof gasket cement, water-resisting agent etc.Wherein, the construction of waterproof roll is comparatively loaded down with trivial details, waterproof paint and seal gum product expensive again, only has water-resisting agent because organic whole can be formed with mortar and concrete layer, and then form one-piece construction with buildings, and its low cost, working procedure significantly simplifies, and is the development trend of future architecture waterproofing industry.But regrettably, although current water-resisting agent market product specification is many, product not only price is chaotic, and quality also exists very large defect, greatly have impact on result of use.As added soap in some water-resisting agent product, this can make the strength degradation about 25% of mortar and concrete layer; As the people such as Tang Ming (" Liaoning building materials " 2002 (1)) make waterproof layer intensity at least reduce the problem of 26% for common soap water-resisting agent, take to add water reducer to gain in strength to the method reducing water consumption, although the effect of reaching, but in fact the workability of water reducer and mortar concrete has strict control, this method is inadvisable in engineer applied.Also in some water-resisting agent product because of add small molecules silicoorganic compound (Guo Qingzhong. the research and development of organic silicon-fluorine buildings waterproof dust-proof material. Zhongshan University post-doctor academic dissertation .2007), not only make formed waterproof layer alkaline resistance properties very poor, cause the waterproof layer life-span shorter, also significantly delay simultaneously construct the open hour, the waterproof layer formed sometimes reach two days all unhardened.Technical scheme and for example disclosed in Chinese patent CN103073214A, only then simply add the materials such as inorganic silicon compound, swelling agent, inorganic aluminate class to play the closely knit effect of filling, the use range of these products is limited, waterproof and anti-permeability performance poor, the poor durability of waterproof layer, easy to crack.In addition, external giant as watt gram, the organosilicon water-proof emulsion of the preparation such as Degussa, although functional, price is high, is unfavorable for promoting.
Thus, the construction waterproof layer intensity that existing water-resisting agent product exists is low, the open hour are long, water resistance is poor, the life-span is short, price is high, production and construction techniques is complicated, has become during water-resisting agent is promoted the bottleneck problem being badly in need of solving.
Summary of the invention
The object of the invention is, for prior art Problems existing, to provide a kind of mortar concrete waterproofing agent.
Mortar concrete waterproofing agent provided by the invention, it is characterized in that this water-resisting agent be formed by soap-free polymerization there is nucleocapsid structure, organic silicon emulsion 40 ~ 60 parts and 10 ~ 30 parts of water added successively of latex particle size <200nm, 2 ~ 5 parts of economization agent for concrete, 0.2 ~ 1 part of defoamer, 5 ~ 15 parts of water reducers, 1 ~ 3 part of hydrated cementitious promotor, 10 ~ 20 parts of lithium compounds and 0.5 ~ 1.5 part of air entrapment agent are through stirring composite forming, it is when in mortar, volume is 1%, permeable pressure ratio >=420% of the waterproof mortar course obtained, water demand ratio≤48% of 48h, it is when in concrete, volume is 0.2%, and water demand ratio≤26% of the water-proof concrete layer permeated height obtained than≤15%, 48h, shrinkage ratio≤102% of 28d, the number of each material is mass parts.
The core of the organic silicon emulsion emulsion particle described in above water-resisting agent is acrylate unsaturated compound and unsaturated fatty acids, and shell is silicoorganic compound, and the mass ratio of the two is 1 ~ 2:1 ~ 2.
Any one in economization agent for concrete preferred, polyethers class economization agent described in above water-resisting agent, more preferably the trade mark is the Tetraguard AS20 of the Eclipse4500 of the AD-100 of Japanese Tane company, Grace company of the U.S., German Basf company.This economization agent significantly can reduce the contraction of mortar, concrete layer in the waterproof layer formed, and reduces volume deformation, significantly reduces the risk of cracking, improves work-ing life and the weather resistance of integral waterproofing layer.
Any one in the preferred high performance water reducing agent of polyocarboxy acid of water reducer described in above water-resisting agent, more preferably the trade mark is the Viscocrete1200 of Sika company of Switzerland, the Sp1 of Italian Mapei company, the Rheoplus26R of German Basf company.This water reducer can be conducive to the water consumption reducing mixture in the waterproof layer formed, and makes waterproof layer intensity, density higher.
Hydrated cementitious promotor described in above water-resisting agent is trolamine or diethanolamine, and it can shorten the open hour of waterproof layer in the waterproof layer formed, and increases early strength, accelerating construction progress.
Lithium compound described in above water-resisting agent is any one in lithium hydroxide, Quilonum Retard, lithium formate or lithium nitrate, its calcium hydroxide generation secondary hydration that can produce with hydrate in the waterproof layer formed forms the finer and close rhabdolith of structure, make waterproof layer intensity and impermeability higher.
The preferred concrete defoamers of defoamer described in above water-resisting agent, as any one in tributyl phosphate, polyethers defoamer or silicone based defoamer, wherein the preferred trade mark of polyethers defoamer is the Pluriol P425 of German Basf company, the DF-100 of Tane company of Japan, the Sitren AirVoid305 of German Evonic company; The preferred trade mark of silicone based defoamer is the BYK-093 of the AFE-2210 of the Sitren AirVoid307 of German Evonic company, Dow Coring company of the U.S., Belgian BYK company.This defoamer can reduce the generation of harmful hole, communicating aperture in waterproof layer in the waterproof layer formed.
Air entrapment agent described in above water-resisting agent is any one in rosined soap glycosides compound or Soxylat A 25-7 compounds, wherein the preferred trade mark of rosined soap glycoside air entrapment agent is the AER of Sika company of Switzerland, the DAREX AEA of Grace company of the U.S. and the MasterAir VR10 of German Basf company; The preferred trade mark of polyethenoxy ether class air entrapment agent is the Rewopol TS35H of the MasterAir AE200 of German Basf company, the W-181S of Japanese Tane company and German Evonic company.This air entrapment agent can form the very little sealed porosity of particle diameter, destroy the capillary channel of hydrate structure, the performances such as enhancing waterproof layer is impervious, freeze proof in waterproof layer.
Organic silicon emulsion described in above water-resisting agent is prepared by following methods:
1) under room temperature, the mixture be made up of 100 ~ 330 parts of acrylic acid or the like unsaturated monomers and 50 ~ 100 parts of unsaturated fatty acidss is dripped while stirring to containing in 100 ~ 200 parts of water of 10 ~ 30 parts of response type surfactant actives, and drip in 30min, obtain monomer pre-emulsion;
2) first 5-10 part initiator is dissolved in 20 ~ 60 parts of water for subsequent use; then the protective colloid of 5 ~ 10 parts is added 125 ~ 390 parts of water to stir and be warming up to 60 ~ 90 DEG C and make it to be dissolved as clear liquor; evenly instill the initiator solution of 50% and whole monomer pre-emulsion under agitation again in 1 ~ 2h simultaneously; continue after the simultaneously evenly remaining initiator solution of instillation and 200 ~ 400 parts of unsaturated organosilicon compounds under agitation in 2 ~ 4h again; drip off rear insulation reaction 1 ~ 2h; after being cooled to 50 DEG C; filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure
The number of each material is mass parts above.
Acrylic acid or the like unsaturated monomer used in above method preferably 100 ~ 250 parts; Unsaturated fatty acids preferably 50 ~ 70 parts; Stir the temperature preferably 60 ~ 80 DEG C heated up; Unsaturated organosilicon compounds preferably 200 ~ 300 parts.
Response type surfactant active used in above method is non-ionic reaction type tensio-active agent and anionic reactive type tensio-active agent and with the mixture of mass ratio 1 ~ 2:2 ~ 1, wherein non-ionic reaction type tensio-active agent be with unsaturated group oxyethane propane adduct number be the alkyl phenol polyether of 8-50; The preferred trade mark is SN-10, SN-15 or SN-20 that the gas Chemical Co., Ltd. of Foshan section produces, AE-100, AE-200, AE300 of the loyal Fine Chemical Co., Ltd in Shanghai.Anionic reactive type tensio-active agent comprises any one that enumerate below: with the alkylsulfonate of unsaturated group, if the trade mark is C0PS-1 and MLS/AW of French Rodia company, the UCAN-1 of the loyal Fine Chemical Co., Ltd in Shanghai; With unsaturated group oxyethane propane adduct number be the polyethers vitriol of 8-50, if the trade mark is the APS100 of Clariant company of Switzerland, V-10s and V-20s of the loyal Fine Chemical Co., Ltd in Shanghai; With the fatty alcohol succsinic acid sodium salt of unsaturated group, NRS-138, M-10s, A-200s of Fine Chemical Co., Ltd as loyal in Shanghai; With in the phosphoric acid ester of unsaturated group, if the trade mark is PAM-200 and PZ-141 of French Rodia company, V-100P and V-200P of the loyal Fine Chemical Co., Ltd in Shanghai.Adopt this response type surfactant active that conventional surfactants can be avoided to be free in system, in cement structures, form the negative factor of a large amount of harmful pore, make waterproof layer more closely knit, strengthen impervious density.
Acrylic acid or the like unsaturated monomer used in above method is made up of the unsaturated hard monomer of esters of acrylic acid and soft monomer, and its mass ratio is 1 ~ 2:1.Any one wherein in hard monomer preferable methyl methyl acrylate, methyl acrylate, vinyl cyanide, acrylic or methacrylic acid; Any one in the preferred butyl acrylate of soft monomer, Isooctyl acrylate monomer, lauryl methacrylate, tert-butyl acrylate or stearyl methacrylate alkyl ester.
At least one in the preferred oleic acid of unsaturated fatty acids used in above method, linolic acid and physetoleic acid.
Any one in initiator initiator system of ammonium persulfate, Sodium Persulfate or Potassium Persulphate used in above method.
Any one in protective colloid preferably polyethylene base pyrrolidone K90, polyvinyl alcohol 1799, sodium polyacrylate or polyacrylamide used in above method.
Unsaturated organosilicon compounds used in above method is vinyltriethoxysilane, vinyltrimethoxy silane, methylvinyldimethoxysilane, methyl vinyl diethoxysilane, vinyltriacetoxy silane, 3-methyl allyl acyloxypropyl trimethoxysilane, 3-methacryloxypropyl triethoxyl silane, any one in allyl group silicone oil in any one and end-vinyl polydimethylsiloxane or end-vinyl Polymethyl methacrylate forms, mass ratio is 1 ~ 2:1 ~ 3, wherein preferred vinyl triethoxyl silane, 3-methacryloxypropyl triethoxyl silane, vinyltriacetoxy silane, vinyl trimethylsilane and viscosity are the end-vinyl polydimethylsiloxane of 300cps ~ 10000cps.
The present invention compared with prior art, also has following positively effect:
1, due to fatty acid compound in water-resisting agent provided by the invention can with unsaturated organosilicon compounds and cement-hydrate C-S-H gel formation intercalation configuration, and then define overall chemical structure with whole cement concrete, thus avoid fatty acid cpds and easily in mortar and concrete, migration occurs thus destroy interlayer structure to fall low intensive negative impact.
2, because organic silicon emulsion in water-resisting agent provided by the invention is obtained by the method for emulsifier-free emulsion polymerization, latex particle polymkeric substance in its emulsion is the nucleocapsid spheroidal particle in nano-scale, thus it can not only well infiltrate among the space of hydrated cementitious structure, and the hydrophobic group of particle surface can well be adsorbed on cement-hydrate surface, make aquation structure more closely knit, water resistance is better.
3, owing to not only containing the spherical particulate polymer of nucleocapsid in nano-scale in water-resisting agent provided by the invention, and also containing the compound such as economization agent, air entrapment agent, lithium salts with difference in functionality, these compounds are functionally supported each other, play comprehensive complementary action, more significantly can strengthen impermeability, water-repellancy, the weather resistance of waterproof layer, avoid cracking to strengthen toughness; Safety non-toxic during preparation simultaneously, technique is simple, and free from environmental pollution, cost is low, and construction is simple, and the open hour are short.
4, because water-resisting agent provided by the invention has excellent water resistance, thus can also substitute waterproof roll, reduce construction costs, improve construction quality.
Embodiment
Provide embodiment below so that the invention will be further described.What be necessary to herein means out is that following examples can not be interpreted as limiting the scope of the invention; if the person skilled in the art in this field makes some nonessential improvement and adjustment according to the invention described above content to the present invention, still belong to scope.
Table 1
| Main raw material(s) | Abbreviation and the trade mark | Manufacturer |
| Non-ionic reaction type tensio-active agent | SN-10、SN-15、SN-20 | The gas Chemical Co., Ltd. of Foshan section |
| Non-ionic reaction type tensio-active agent | AE-100、AE-200、AE300 | The loyal Fine Chemical Co., Ltd in Shanghai |
| Sodium succinate salt anionic response type surfactant active | NRS-138、M-10s、A-200s | The loyal Fine Chemical Co., Ltd in Shanghai |
| Phosphoric acid ester anionic reactive type tensio-active agent | PZ-141、PAM-200 | Rodia |
| Phosphoric acid ester anionic reactive type tensio-active agent | V-100P、V-200P | The loyal Fine Chemical Co., Ltd in Shanghai |
| Sulfonates anionic reactive type tensio-active agent | C0PS-1、MLS/AW | Rodia |
| Sulfonates anionic reactive type tensio-active agent | UCAN-1 | The loyal Fine Chemical Co., Ltd in Shanghai |
| Sulfates anionic reactive type tensio-active agent | APS100 | Clariant |
| Sulfates anionic reactive type tensio-active agent | V-10s、V-20s | The loyal Fine Chemical Co., Ltd in Shanghai |
| Lauryl methacrylate | LMA | Mitsubishi |
| Octadecyl methacrylate | SMA | shokubai |
| Polyvinylpyrolidone (PVP) | K90 | BASF |
| Isooctyl acrylate monomer | - | BASF |
| Polyvinyl alcohol | 1799 | kuraray |
| Vinyltriethoxysilane | Z-6518 | Dow Corning |
| 3-methacryloxypropyl triethoxyl silane | Z-6036 | Dow Corning |
| End-vinyl polydimethylsiloxane | DY-V401, viscosity 300cs | Shandong Dayi Chemical Industry Co., Ltd |
| End-vinyl polydimethylsiloxane | DY-V401, viscosity 1500cs | Shandong Dayi Chemical Industry Co., Ltd |
| End-vinyl polydimethylsiloxane | DY-V401, viscosity 5000cs | Shandong Dayi Chemical Industry Co., Ltd |
| End-vinyl polydimethylsiloxane | DY-V401, viscosity 10000cs | Shandong Dayi Chemical Industry Co., Ltd |
| High performance water reducing agent of polyocarboxy acid | Rheoplus26R | Basf |
| High performance water reducing agent of polyocarboxy acid | Viscocrete1200 | Sika |
| High performance water reducing agent of polyocarboxy acid | Sp1 | Mapei |
| Polyethers economization agent | AD-100 | Tane |
| Polyethers economization agent | Eclipse4500 | Grace |
| Polyethers economization agent | Tetraguard AS20 | Basf |
| Polyethers defoamer | DF-100 | Tane |
| Polyethers defoamer | Pluriol P425 | Basf |
| Polyethers defoamer | Sitren AirVoid305 | Evonic |
| Silicone antifoam agent | AFE-2210 | Dow Coring |
| Silicone antifoam agent | Sitren AirVoid307 | Evonic |
| Silicone antifoam agent | BYK-093 | BYK |
| Polyethers air entrapment agent | W-181S | Tane |
| Polyethers air entrapment agent | MasterAir AE200 | Basf |
| Polyethers air entrapment agent | Rewopol TS35H | Evonic |
| Rosin based air entrapment agent | AER | Sika |
| Rosin based air entrapment agent | Darex AEA | Grace |
| Rosin based air entrapment agent | MasterAir VR10 | Basf |
In addition, what deserves to be explained is: 1) number of following examples material used is mass parts.2), after with the addition of water-resisting agent provided by the invention, the correlated performance of its waterproof layer obtained is the detection carried out according to JC474-2008 " mortar, concrete waterproofer " standard.3) trade mark of main raw material(s) used in following examples, abbreviation and manufacturer are as shown in table 1, and all the other starting material are the chemical substance being easy on the market buy.
Embodiment 1
Under room temperature, in 100 parts of water containing 10 parts of SN-10,20 parts of PZ-141, drip the mixture be made up of 60 parts of methyl methacrylates, 40 parts of LMA and 50 part oleic acid while stirring, and drip in 30min, obtain monomer pre-emulsion; First 5 parts of ammonium persulphates are dissolved in 20 parts of water for subsequent use, then 5 parts of K90 are added in 390 parts of water to stir and be warming up to 60 DEG C and make it to be dissolved as clear liquor, evenly instill the ammonium persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 2h simultaneously, continue after the simultaneously evenly remaining ammonium persulfate solution of instillation and 200 parts of Z-6518 and 100 part of DY-V401(viscosity 1500cs under agitation in 4h again) mixture, drip off rear insulation reaction 1h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 160nm.
Under stirring, 30 parts of water, 2 parts of AD-100,0.5 part of tributyl phosphate defoamer, 5 parts of Rheoplus26R, 1 part of trolamine and 10 parts of lithium hydroxides are added successively in 40 parts of organic silicon emulsions, after mixing, add 1.5 parts of AER again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 2
Under room temperature, in 110 parts of water containing 7.5 parts of SN-15,7.5 parts of PAM-200, drip the mixture be made up of 220 parts of methyl acrylates, 110 parts of SMA and 70 part linolic acid while stirring, and drip in 30min, obtain monomer pre-emulsion, first 10 parts of Sodium Persulfates are dissolved in 55 parts of water for subsequent use, then 10 parts of polyvinyl alcohol 1799 are added in 200 parts of water to stir and be warming up to 80 DEG C and make it to be dissolved as clear liquor, evenly instill the Sodium Persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 1h simultaneously, continue after the simultaneously evenly remaining Sodium Persulfate solution of instillation and 100 parts of Z-6036 and 100 part of DY-V401(viscosity 5000cs under agitation in 3h again) mixture, drip off rear insulation reaction 1h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 200nm.
Under stirring, 20 parts of water, 5 parts of Eclipse4500,0.5 part of DF-100,15 parts of Viscocrete1200,3 parts of diethanolamine and 12 parts of lithium formates are added successively in 43.5 parts of organic silicon emulsions, after mixing, add 1 part of W-181S again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 3
Under room temperature, in 130 parts of water containing 6.7 parts of SN-20,3.3 parts of C0PS-1, drip the mixture be made up of 130 parts of vinyl cyanide, 70 parts of butyl acrylates and 70 parts of physetoleic acids while stirring, and drip in 30min, obtain monomer pre-emulsion; First 8 parts of Potassium Persulphates are dissolved in 40 parts of water for subsequent use, then 5 parts of sodium polyacrylates are added in 236.5 parts of water to stir and be warming up to 70 DEG C and make it to be dissolved as clear liquor, evenly instill the potassium persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 2h simultaneously, continue after the simultaneously evenly remaining potassium persulfate solution of instillation and 100 parts of Z-6518 and 200 part of DY-V401(viscosity 300cs under agitation in 2h again) mixture, drip off rear insulation reaction 2h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 150nm.
Under stirring, 10 parts of water, 2 parts of AD-100,1 part of AFE-2210,5 parts of Sp1,2 parts of diethanolamine and 20 parts of lithium nitrates are added successively in 59.2 parts of organic silicon emulsions, after mixing, add 0.8 part of MasterAir AE200 again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 4
Under room temperature, in 100 parts of water containing 10 parts of AE-100,20 parts of APS100, drip the mixture be made up of 67 parts of methacrylic acids, 33 parts of tert-butyl acrylates and 50 parts of oleic acid while stirring, and drip in 30min, obtain monomer pre-emulsion, first 10 parts of ammonium persulphates are dissolved in 60 parts of water for subsequent use, then 8 parts of polyacrylamides are added in 345 parts of water to stir and be warming up to 60 DEG C and make it to be dissolved as clear liquor, evenly instill the ammonium persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 2h simultaneously, continue after the simultaneously evenly remaining ammonium persulfate solution of instillation and 100 parts of Z-6518 and 200 part of DY-V401(viscosity 10000cs under agitation in 3h again) mixture, drip off rear insulation reaction 2h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 140nm.
Under stirring, 20 parts of water, 2.3 parts of Tetraguard AS20,0.2 part of PluriolP425,5 parts of Rheoplus26R, 1 part of trolamine and 10 parts of Quilonum Retards are added successively in 60 parts of organic silicon emulsions, after mixing, add 1.5 parts of Darex AEA again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 5
Under room temperature, in 150 parts of water containing 10 parts of AE-200,20 parts of V-20s, drip the mixture be made up of 50 parts of vinylformic acid, 50 parts of Isooctyl acrylate monomers and 100 parts of linolic acid while stirring, and drip in 30min, obtain monomer pre-emulsion; First 10 parts of ammonium persulphates are dissolved in 30 parts of water for subsequent use, then 5 parts of K90 are added in 175 parts of water to stir and be warming up to 75 DEG C and make it to be dissolved as clear liquor, evenly instill the ammonium persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 1.8h simultaneously, continue after the simultaneously evenly remaining ammonium persulfate solution of instillation and 100 parts of Z-6518 and 300 part of DY-V401(viscosity 5000cs under agitation in 4h again) mixture, drip off rear insulation reaction 1.5h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 120nm.
Under stirring, 20 parts of water, 3 parts of Eclipse4500,0.5 part of Sitren AirVoid305,10 parts of Viscocrete1200,1 part of trolamine and 14 parts of lithium hydroxides are added successively in 50 parts of organic silicon emulsions, after mixing, add 1.5 parts of MasterAir AE200 again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 6
Under room temperature, the mixture be made up of 125 parts of methacrylic acids, 125 parts of Isooctyl acrylate monomers and 10 parts of linolic acid, 30 parts of oleic acid, 10 parts of physetoleic acids is dripped while stirring in 200 parts of water containing 15 parts of AE-300,15 parts of V-10s, and drip in 30min, obtain monomer pre-emulsion; First 10 parts of Potassium Persulphates are dissolved in 30 parts of water for subsequent use, then 5 parts of K90 are added in 125 parts of water to stir and be warming up to 90 DEG C and make it to be dissolved as clear liquor, evenly instill the potassium persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 2h simultaneously, continue after the simultaneously evenly remaining potassium persulfate solution of instillation and 100 parts of Z-6518 and 150 part of DY-V401(viscosity 1500cs under agitation in 4h again) mixture, drip off rear insulation reaction 2h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 180nm.
Under stirring, 20 parts of water, 4 parts of Tetraguard AS20,0.5 part of SitrenAirVoid307,10 parts of Rheoplus26R, 1 part of trolamine and 14 parts of lithium hydroxides are added successively in 48 parts of organic silicon emulsions, after mixing, add 1.5 parts of W-181S again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 7
Under room temperature, the mixture be made up of 125 parts of methacrylic acids, 125 parts of Isooctyl acrylate monomers and 10 parts of linolic acid, 30 parts of oleic acid, 10 parts of physetoleic acids is dripped while stirring in 200 parts of water containing 15 parts of AE-100,15 parts of NRS-138, and drip in 30min, obtain monomer pre-emulsion, first 10 parts of Potassium Persulphates are dissolved in 30 parts of water for subsequent use, then 5 parts of K90 are added in 125 parts of water to stir and be warming up to 90 DEG C and make it to be dissolved as clear liquor, evenly instill the potassium persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 2h simultaneously, continue after the simultaneously evenly remaining potassium persulfate solution of instillation and 150 parts of vinyltrimethoxy silanes and 150 parts of DY-V401(viscosity 1500cs under agitation in 4h again) mixture, drip off rear insulation reaction 1.2h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 180nm.
Under stirring, 20 parts of water, 5 parts of Eclipse4500,0.5 part of Sitren AirVoid305,10 parts of Rheoplus26R, 1 part of trolamine and 14 parts of lithium hydroxides are added successively in 48 parts of organic silicon emulsions, after mixing, add 0.5 part of RewopolTS35H again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 8
Under room temperature, in 100 parts of water containing 10 parts of SN-20,20 parts of M-10s, drip the mixture be made up of 67 parts of methacrylic acids, 33 parts of tert-butyl acrylates and 50 parts of oleic acid while stirring, and drip in 30min, obtain monomer pre-emulsion, first 10 parts of ammonium persulphates are dissolved in 60 parts of water for subsequent use, then 8 parts of polyacrylamides are added in 345 parts of water to stir and be warming up to 60 DEG C and make it to be dissolved as clear liquor, evenly instill the ammonium persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 1.5h simultaneously, continue after the simultaneously evenly remaining ammonium persulfate solution of instillation and 100 parts of vinyltriethoxysilanes and 200 parts of DY-V401(viscosity 10000cs under agitation in 3h again) mixture, drip off rear insulation reaction 2h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 140nm.
Under stirring, 20 parts of water, 2.3 parts of Tetraguard AS20,0.2 part of DF-100,5 parts of Rheoplus26R, 1 part of trolamine and 10 parts of Quilonum Retards are added successively in 60 parts of organic silicon emulsions, after mixing, add 1.5 parts of AER again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 9
Under room temperature, in 100 parts of water containing 10 parts of SN-10,20 parts of MLS/AW, drip the mixture be made up of 60 parts of methyl methacrylates, 40 parts of LMA and 60 part oleic acid while stirring, and drip in 30min, obtain monomer pre-emulsion; First 5 parts of ammonium persulphates are dissolved in 20 parts of water for subsequent use, then 5 parts of K90 are added in 390 parts of water to stir and be warming up to 60 DEG C and make it to be dissolved as clear liquor, evenly instill the ammonium persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 2h simultaneously, continue after the simultaneously evenly remaining ammonium persulfate solution of instillation and 150 parts of Z-6518 and 100 part of DY-V401(viscosity 1500cs under agitation in 4h again) mixture, drip off rear insulation reaction 1h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 160nm.
Under stirring, 30 parts of water, 2 parts of Eclipse4500,0.5 part of tributyl phosphate defoamer, 5 parts of Viscocrete1200,1 part of trolamine and 10 parts of lithium hydroxides are added successively in 40 parts of organic silicon emulsions, after mixing, add 1.5 parts of MasterAir VR10 again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 10
Under room temperature, in 130 parts of water containing 6.7 parts of AE-200,3.3 parts of A-200s, drip the mixture be made up of 130 parts of vinyl cyanide, 70 parts of butyl acrylates and 70 parts of physetoleic acids while stirring, and drip in 30min, obtain monomer pre-emulsion, first 8 parts of Potassium Persulphates are dissolved in 40 parts of water for subsequent use, then 5 parts of sodium polyacrylates are added in 236.5 parts of water to stir and be warming up to 80 DEG C and make it to be dissolved as clear liquor, evenly instill the potassium persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 2h simultaneously, continue after the simultaneously evenly remaining potassium persulfate solution of instillation and 100 parts of vinyltrimethoxy silanes and 200 parts of DY-V401(viscosity 300cs under agitation in 2h again) mixture, drip off rear insulation reaction 2h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 150nm.
Under stirring, 10 parts of water, 2 parts of AD-100,1 part of AFE-2210,5 parts of Rheoplus26R, 2 parts of diethanolamine and 20 parts of lithium nitrates are added successively in 59.2 parts of organic silicon emulsions, after mixing, add 0.8 part of W-181S again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 11
Under room temperature, in 100 parts of water containing 10 parts of AE-100,20 parts of V-100P, drip the mixture be made up of 67 parts of methacrylic acids, 33 parts of tert-butyl acrylates and 50 parts of oleic acid while stirring, and drip in 30min, obtain monomer pre-emulsion, first 10 parts of ammonium persulphates are dissolved in 60 parts of water for subsequent use, then 5 parts of polyacrylamides are added in 345 parts of water to stir and be warming up to 60 DEG C and make it to be dissolved as clear liquor, evenly instill the ammonium persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 2h simultaneously, continue after the simultaneously evenly remaining ammonium persulfate solution of instillation and 100 parts of Z-6518 and 200 part of DY-V401(viscosity 10000cs under agitation in 3h again) mixture, drip off rear insulation reaction 1.8h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 140nm.
Under stirring, 20 parts of water, 2.3 parts of Tetraguard AS20,0.2 part of BYK-093,5 parts of Sp1,1 part of trolamine and 10 parts of Quilonum Retards are added successively in 60 parts of organic silicon emulsions, after mixing, add 1.5 parts of Darex AEA again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 12
Under room temperature, in 150 parts of water containing 10 parts of AE300,20 parts of UCAN-1, drip the mixture be made up of 50 parts of vinylformic acid, 50 parts of Isooctyl acrylate monomers and 100 parts of linolic acid while stirring, and drip in 30min, obtain monomer pre-emulsion; First 10 parts of ammonium persulphates are dissolved in 30 parts of water for subsequent use, then 5 parts of K90 are added in 175 parts of water to stir and be warming up to 75 DEG C and make it to be dissolved as clear liquor, evenly instill the ammonium persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 2h simultaneously, continue after the simultaneously evenly remaining ammonium persulfate solution of instillation and 100 parts of Z-6518 and 300 part of DY-V401(viscosity 5000cs under agitation in 3.5h again) mixture, drip off rear insulation reaction 2h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 120nm.
Under stirring, 20 parts of water, 3 parts of Eclipse4500,0.5 part of DF-100,10 parts of Sp1,1 part of trolamine and 14 parts of lithium hydroxides are added successively in 50 parts of organic silicon emulsions, after mixing, add 1.5 parts of W-181S again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Embodiment 13
Under room temperature, in 110 parts of water containing 7.5 parts of SN-15,7.5 parts of V-200P, drip the mixture be made up of 220 parts of methyl acrylates, 110 parts of SMA and 65 part linolic acid while stirring, and drip in 30min, obtain monomer pre-emulsion, first 10 parts of Sodium Persulfates are dissolved in 55 parts of water for subsequent use, then 10 parts of polyvinyl alcohol 1799 are added in 200 parts of water to stir and be warming up to 80 DEG C and make it to be dissolved as clear liquor, evenly instill the Sodium Persulfate solution of 50% and whole monomer pre-emulsion under agitation again in 1.2h simultaneously, continue after the simultaneously evenly remaining Sodium Persulfate solution of instillation and 100 parts of Z-6036 and 100 part of DY-V401(viscosity 5000cs under agitation in 3h again) mixture, drip off rear insulation reaction 1h, after being cooled to 50 DEG C, filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure, particle diameter 200nm.
Under stirring, 20 parts of water, 5 parts of Tetraguard AS20,0.5 part of SitrenAirVoid307,15 parts of Rheoplus26R, 3 parts of diethanolamine and 12 parts of lithium formates are added successively in 43.5 parts of organic silicon emulsions, after mixing, add 1 part of Rewopol TS35H again, make it to mix and discharging packaging can obtain mortar, concrete waterproofer.
Application examples 1
Add in mortar by the water-resisting agent prepared by embodiment 1, its incorporation is 1% of mortar quality, and the performance test results of the waterproof layer formed is in table 2.Its performance meets JC474-2008 standard-required as seen from Table 2.
Application examples 2
Add in mortar by the water-resisting agent prepared by embodiment 4, its incorporation is 0.2% of mortar quality, and the performance test results of the waterproof layer formed is in table 3.Its performance meets JC474-2008 standard-required as seen from Table 3.
Table 2
Table 3
Claims (10)
1. a mortar concrete waterproofing agent, it is characterized in that this water-resisting agent be formed by soap-free polymerization there is nucleocapsid structure, organic silicon emulsion 40 ~ 60 parts and 10 ~ 30 parts of water added successively of latex particle size <200nm, 2 ~ 5 parts of economization agent for concrete, 0.2 ~ 1 part of defoamer, 5 ~ 15 parts of water reducers, 1 ~ 3 part of hydrated cementitious promotor, 10 ~ 20 parts of lithium compounds and 0.5 ~ 1.5 part of air entrapment agent are through stirring composite forming, it is when in mortar, volume is 1%, permeable pressure ratio >=420% of the waterproof mortar course obtained, water demand ratio≤48% of 48h, it is when in concrete, volume is 0.2%, the water-proof concrete layer permeated height obtained is than≤15%, water demand ratio≤26% of 48h, shrinkage ratio≤102% of 28d, the number of each material is mass parts, and wherein said lithium compound is any one in lithium hydroxide, Quilonum Retard, lithium formate or lithium nitrate.
2. mortar concrete waterproofing agent according to claim 1, it is characterized in that the core of the organic silicon emulsion emulsion particle described in this water-resisting agent is acrylate unsaturated compound and unsaturated fatty acids, shell is silicoorganic compound, and the mass ratio of the two is 1 ~ 2:2 ~ 1.
3. mortar concrete waterproofing agent according to claim 1, is characterized in that the economization agent for concrete described in this water-resisting agent is any one in Soxylat A 25-7 compounds; Described water reducer is any one in polycarboxylate water-reducer; Described hydrated cementitious promotor is trolamine or diethanolamine; Described defoamer is any one in tributyl phosphate, polyethers defoamer or silicone based defoamer; Described air entrapment agent is any one in rosined soap glycosides compound or Soxylat A 25-7 compounds.
4. mortar concrete waterproofing agent according to claim 2, is characterized in that the economization agent for concrete described in this water-resisting agent is any one in Soxylat A 25-7 compounds; Described water reducer is any one in polycarboxylate water-reducer; Described hydrated cementitious promotor is trolamine or diethanolamine; Described defoamer is any one in tributyl phosphate, polyethers defoamer or silicone based defoamer; Described air entrapment agent is any one in rosined soap glycosides compound or Soxylat A 25-7 compounds.
5. the mortar concrete waterproofing agent according to claim 1 or 2 or 3 or 4, is characterized in that the organic silicon emulsion described in this water-resisting agent is prepared by following methods:
1) under room temperature, the mixture be made up of 100 ~ 330 parts of acrylic acid or the like unsaturated monomers and 50 ~ 100 parts of unsaturated fatty acidss is dripped while stirring to containing in 100 ~ 200 parts of water of 10 ~ 30 parts of response type surfactant actives, and drip in 30min, obtain monomer pre-emulsion;
2) first 5-10 part initiator is dissolved in 20 ~ 60 parts of water for subsequent use; then the protective colloid of 5 ~ 10 parts is added 125 ~ 390 parts of water to stir and be warming up to 60 ~ 90 DEG C and make it to be dissolved as clear liquor; evenly instill the initiator solution of 50% and whole monomer pre-emulsion under agitation again in 1 ~ 2h simultaneously; continue after the simultaneously evenly remaining initiator solution of instillation and 200 ~ 400 parts of unsaturated organosilicon compounds under agitation in 2 ~ 4h again; drip off rear insulation reaction 1 ~ 2h; after being cooled to 50 DEG C; filter the emulsion that namely discharging obtains organosilicon nucleocapsid structure
The number of each material is mass parts above.
6. mortar concrete waterproofing agent according to claim 5, it is characterized in that response type surfactant active used in the preparation of organic silicon emulsion in this water-resisting agent is non-ionic reaction type tensio-active agent and anionic reactive type tensio-active agent and with the mixture of mass ratio 2:1 ~ 1:2, wherein non-ionic reaction type tensio-active agent be with unsaturated group oxyethane propane adduct number be the alkylphenol polyoxyethylene of 8-50, ethoxymer distribution with unsaturated group is the polyoxyethylene nonylphenol ether of 8-50 or is any one in the alkyl polyoxyethylene ether of 8-50 with the ethoxymer distribution of unsaturated group, the polyethers vitriol that anionic reactive type tensio-active agent is the alkylsulfonate with unsaturated group, the Huan Yangyiwan propane adduct number with unsaturated group is 8-50, with the fatty alcohol succsinic acid sodium salt of unsaturated group or with any one in the phosphoric acid ester of unsaturated group.
7. mortar concrete waterproofing agent according to claim 5, it is characterized in that acrylic acid or the like unsaturated monomer used in the preparation of organic silicon emulsion in this water-resisting agent is made up of the unsaturated hard monomer of esters of acrylic acid and soft monomer, its mass ratio is 1 ~ 2:1, and wherein hard monomer is any one in methyl methacrylate, methyl acrylate, vinyl cyanide, acrylic or methacrylic acid; Soft monomer is any one in butyl acrylate, Isooctyl acrylate monomer, lauryl methacrylate, tert-butyl acrylate or stearyl methacrylate alkyl ester.
8. mortar concrete waterproofing agent according to claim 5, is characterized in that unsaturated fatty acids used in the preparation of organic silicon emulsion in this water-resisting agent is at least one in oleic acid, linolic acid and physetoleic acid.
9. mortar concrete waterproofing agent according to claim 5, it is characterized in that unsaturated organosilicon compounds used in the preparation of organic silicon emulsion in this water-resisting agent is vinyltriethoxysilane, vinyltrimethoxy silane, methylvinyldimethoxysilane, methyl vinyl diethoxysilane, vinyltriacetoxy silane, 3-methyl allyl acyloxypropyl trimethoxysilane, 3-methacryloxypropyl triethoxyl silane, any one in allyl group silicone oil in any one and end-vinyl polydimethylsiloxane or end-vinyl Polymethyl methacrylate forms, mass ratio is 1 ~ 2:1 ~ 3.
10. mortar concrete waterproofing agent according to claim 5, is characterized in that protective colloid used in the preparation of organic silicon emulsion in this water-resisting agent is any one in Polyvinylpyrolidone (PVP), polyvinyl alcohol, sodium polyacrylate or polyacrylamide.
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| CN105949402A (en) * | 2016-04-26 | 2016-09-21 | 同济大学 | Anti-sulfate competitive adsorption type silane modified polycarboxylate water reducing agent and preparation method thereof |
| CN106366228A (en) * | 2016-08-31 | 2017-02-01 | 江苏李文甲化工有限公司 | Polyacrylic emulsion transparent waterproof glue and preparation method thereof |
| CN107235697A (en) * | 2017-07-05 | 2017-10-10 | 合肥市片叶装饰工程有限公司 | A kind of high performance concrete waterproofing agent and preparation method thereof |
| CN108644639B (en) * | 2018-05-21 | 2021-04-20 | 广东恒润光电有限公司 | Waterproof LED light source and manufacturing method thereof |
| CN113527587B (en) * | 2020-04-17 | 2022-08-19 | 云南建投高分子材料有限公司 | Air-entraining type polycarboxylate superplasticizer and preparation method thereof |
| CN114230252A (en) * | 2021-12-28 | 2022-03-25 | 浙江研翔新材料有限公司 | Self-compacting temperature-inhibiting waterproof composite material and preparation method thereof |
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