CN105461254A - Hardenable composition additive - Google Patents
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- CN105461254A CN105461254A CN201410453212.5A CN201410453212A CN105461254A CN 105461254 A CN105461254 A CN 105461254A CN 201410453212 A CN201410453212 A CN 201410453212A CN 105461254 A CN105461254 A CN 105461254A
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Abstract
The invention relates to a hardenable composition additive which can be detected nondestructively. The additive can be selected from one of or a mixture of more of an adhesive, a water-retaining agent, an early strength agent, a retarder, a water reducing agent, a water repellent, a defoaming agent, a plasticizing agent, a thickening agent, a thixotropic agent, a fiber, an anti-crack agent and an air-entraining agent. Those skilled in the art can detect the fluorescence intensity or the fluorescence height of a hardenable composition containing the additive quickly and nondestructively without limitations to the number of times and parts by directly using an infrared laser pointer or other detection equipment, and in comparison with a standard product containing a fixed content of the additive, the content of the additive can be qualitatively and semi-quantitatively estimated, and then potential quality problems of the hardenable composition can be quickly determined.
Description
Technical field
The present invention relates to a kind of hardenable compositions additive and can be used to nondestructive testing, comprise the hardenable compositions, dispersibility latex powder, emulsion polymerization and preparation method thereof that can be used for nondestructive testing.
Background technology
Rising in dry-mixed mortar (a kind of hardenable compositions) technology of the Europe fifties in last century, is be introduced into China before about 30 years.Dry-mixed mortar product except by mineral-bonded material as cement, gypsum, lime, outside the product of the simple modification such as filler and a small amount of water-holding agent, the most extraordinary dry-mixed mortar product, except having more additive in mortar, its notable feature with the addition of high molecular polymer dispersion powder (i.e. dispersibility latex powder), make only to use and bond containing inorganic mineral, as cement, gypsum, the dry-mixed mortars such as lime cannot realize the difficult adhesives of safety bonding, as organic materials (as: expansion polyphenyl panel material EPS/ extruded polystyrene board XPS), non-open-cell material (as: entire body vitrified tile), can firmly be bondd, and the mechanical safety of industrial trade standard-required can be reached.Based on this, and the characteristic such as flexibility, splitting resistance, wear resistance that polymkeric substance brings, various novel dry-mixed mortar product is developed, such as external wall heat insulation system dedicated mortar (ETICS), ceramic tile cementing mortar (CTA), inner and external wall putty (thin layer below emulsion paint), gravity flow self-leveling floor mortar (SLC), waterproof mortar (WPM), mortar/concrete mending mortar, the asphalt cement mortar (CA) etc. that even high-speed railway rail is special.
In order to control the quality of dry-mixed mortar, technical quality superintendent office set up series of standards and carrys out specification, such as JG149(molding exterior insulation system for polyphenyl plate thin plastering exterior wall), JC/T547(ceramic wall and floor bricks tackiness agent), JG158(glue powder polyphenyl granule exterior wall outer heat preservation system), JG/T157(putty for exterior use), JC/T984(Polymer cement materials), JC/T985(ground cement-based self-leveling mortar) etc.But all these standards all need the detection through the long period (at least 1-2 month) under standard laboratory conditions, and expense costly, the large scale of construction of China Today, fast and the demand of the construction characteristics of dispersion cannot be applicable to.In addition, even if product is qualified according to standard testing in feeler mechanism, also cannot ensure that product is at the construction field (site) consistent with the sample of detection, namely exist and use inferior materials and turn out substandard goods, adulterate, admix arbitrarily cheap material and the low quality risk of construction quality.For avoiding this problem, also have such as similar JGJ110(construction work cohesive strength of decorative tile inspecting standard) this kind of specification, the destructive testing of the pull strength that such as bonds at the construction field (site).But this method test limited amount, test point is under-represented, is destructive test (can bring man-made further destroy to building), wastes time and energy, and costly.Even so, after being detected, overall quality cannot still be ensured.Due to the quality problems of product, not only can cause serious safety problem and huge financial loss, and may social concern be caused.Therefore building trade and feeler mechanism are in the urgent need to a kind of method, can easily and fast, accurately, the quality problems that economic and nondestructive judgement building products is potential, adapt to the large scale of construction of China Today, fast and the demand of the construction characteristics of dispersion.
Summary of the invention
The following stated compositional data of the present invention, except specified otherwise, is weight part or weight percentage.
The invention provides a kind of hardenable compositions additive, the indicator containing the visible ray that can be excited in described additive, described additive can be used to nondestructive testing.
In addition, the present invention also provides a kind of hardenable compositions containing additive of the present invention, can by nondestructive testing.
Those skilled in the art directly can use infrared laser pen or other test sets, do not limit number of times, do not limit the irradiation at position to contain the hardenable compositions of additive of the present invention, the visual intensity that detection is excited and height when there is visible ray between laser pen and test point, the standard substance of contrast containing constant concentration additive, the content of additive can be estimated quantitative and semi-quantitative, and then judge the quality problems that hardenable compositions is potential fast.Detection time of this detection method, detect number of times, to detect position unrestricted, and is nondestructive testing, to detect fast and visual result, cost are low.
Indicator of the present invention is fluorescent indicator or the phosphorescent indicator with indicative function, its incident light through certain wavelength (as infrared light) irradiates, absorb luminous energy laggard enter excited state, and immediately or slowly de excitation is sent out and sends emergent light (at visible light wave range); And once stop incident light, luminescence phenomenon also disappears immediately or slowly thereupon.The continuous illumination time is shorter than 10
-8second be called fluorescence, the continuous illumination time is longer than 10
-8second be called phosphorescence.The preferred fluorescent indicator of indicator of the present invention.
Fluorescent indicator of the present invention can tolerate strong basicity and strong acidic environment, is resistance toly heated and the impact of machinery, can long-term stability to be present in pH be 1-14, and temperature is under-100 DEG C to 500 DEG C or higher environment.Except being excited except fluorescence, described fluorescent indicator should have unreactiveness simultaneously, does not have an impact to other performances of described additive.
Fluorescent indicator of the present invention is a kind of composition, containing inorganic and/or organic composition.
Fluorescent indicator of the present invention contains rare earth element, transition metal or its mixture, preferably containing yttrium and scandium element.
Fluorescent indicator of the present invention can be solid form or liquid form, preferred solid form, and particle diameter is less than 1,000 μm, is preferably less than 100 μm, is more preferably less than 5 μm.
The addition of fluorescent indicator of the present invention accounts for the 0.1ppm of described weight of additive to 50%, preferably at 1-1,000ppm.
The preferred infrared light of the spendable incident light of fluorescent indicator of the present invention, described infrared light wavelength is 780-1,600nm, is more preferably 960-1,000nm.
Hardenable compositions of the present invention be water and/or air-setting composition and other contain the composition etc. of organic gel gel material, preferably water hydraulic composition, more preferably dry-mixed mortar form composition, moisture mortar form composition or concrete.
Hardenable compositions of the present invention, containing aggregate (thick and/or fine aggregate), organic and/or inorganic coagulation material.
Hardenable compositions of the present invention also contains at least one additive, the mixture of one or more of the optional self-adhesive agent of described additive, water-holding agent, hardening accelerator, retardant, water reducer, hydrophober, defoamer, softening agent, thickening material, thixotropic agent, fiber, anti-fissuring agent, air entrapment agent.
Organic gel gel material of the present invention, can be selected from the mixture of one or more in pitch, resin, rubber.
Inorganic coagulation material of the present invention, can be selected from one or more in gypsum, lime, cement, wherein said cement can be portland cement and/or calcium-aluminate cement and/or gypsum and/or lime and/or volcanic ash (such as scoriae and/or volcanic tuff powder and/or flyash and/or blast-furnace slag).
Binding agent of the present invention, optional from organic binder bond and/or inorganic mineral binding agent, the mixture of preferred organic binder bond or organic binder bond and inorganic mineral binding agent.
Organic binder bond of the present invention, is preferably one or more mixture of high molecular polymer dispersion powder (dispersibility latex powder), high molecular polymer dispersion liquid (emulsion), high molecular weight water soluble polymer powder or solution, natural polymer powder or liquid.
Dispersibility latex powder of the present invention is usually based on the polymkeric substance of one or more ethylenically unsaturated monomers.Ethylenically unsaturated monomer is preferably from vinyl acetate, (methyl) acrylate, vinyl aromatics, alkene, 1,3-diolefine and vinyl halide, or monomer of copolyreaction can occur for other.The optional vinyl esters formed by the carboxylic acid containing 1 to 15 carbon atom of suitable vinyl acetate.Suitable acrylate or methacrylate-based monomer are the ester classes formed by the straight or branched alcohol containing 1 to 15 carbon atom.Vinyl aromatics optimization styrene, vinyl toluene and Vinyl toluene.The preferred vinylchlorid of vinyl halide.Alkene optimal ethylene and propylene, the preferred 1,3-butadiene of diolefine and isoprene.
In addition, total amount per-cent is that 0.1%-10%(accounts for monomer mixture gross weight) auxiliary monomer also can there is copolyreaction.The preferred 0.1%-5% of weight percent of auxiliary monomer.Auxiliary monomer comprises olefinic unsaturated monocarboxylic and dicarboxylic acid, the unsaturated methane amide of olefinic and formonitrile HCN and MALEIC ANHYDRIDE, olefinic unsaturated sulfonic acid and salt thereof.Other auxiliary monomers comprise precrosslink comonomer (as polyene belongs to unsaturated comonomer) or rear cross-linking comonomer (as N hydroxymethyl acrylamide (NMA) and N-methylol methacrylamide).Suitable equally also has epoxide functionalities comonomer (as epoxypropyl methacrylic ester) and functional silicon comonomer (as methacryloxypropyl trialkoxy silane and vinyl trialkyl oxysilane).
Preferred homopolymer and multipolymer comprise multipolymer, copolymer in cinnamic acrylic ester, the vinylbenzene-1,3-butadiene multipolymer of the multipolymer of the multipolymer of vinyl acetate homopolymer, vinyl acetate and ethene, the multipolymer of vinyl acetate and ethene and one or more other vinyl acetate, vinyl acetate and one or more other vinyl acetate, the multipolymer of vinyl acetate and ethene and acrylate, the multipolymer of vinyl acetate and ethene and vinylchlorid, vinylchlorid and ethene and one or more other vinyl acetate (optional).Wherein often kind of polymkeric substance can auxiliary monomer containing above-mentioned component, and the numerical value summation of its weight percent is 100% in all cases.
More preferably vinyl acetate homopolymer; Vinyl acetate and weight percent are the multipolymer that one or more other comonomers of 1%-50% are formed, wherein comonomer is selected from the vinyl esters that carboxylic group contains 1 to 12 carbon atom, as propionate, vinyl laurate, vinyl carboxylates containing 5 to 12 carbon atoms and alpha side chain, as VeoVa9
?and VeoVa10
?; Vinyl acetate and weight percent are the multipolymer that the ethene of 1%-40% is formed; The multipolymer that one or more other comonomers of vinyl acetate and weight percent to be the ethene of 1%-40% and weight percent be 1%-50% are formed, wherein comonomer is selected from the vinyl esters that carboxylic group contains 1 to 12 carbon atom, as propionate, vinyl laurate, vinyl carboxylates containing 5 to 12 carbon atoms and α-side chain, as VeoVa9
?and VeoVa10
?; The multipolymer that (methyl) acrylate of vinyl acetate and weight percent to be the ethene of 1%-40% and preferred weight percent be 1%-60% is formed, the alcohols wherein generating (methyl) acrylate is the straight or branched alcohols containing 1 to 15 carbon atom, especially methyl methacrylate, methacrylic ester, n-butyl acrylate or 2-ethylhexyl acrylate; Weight percent is the vinyl acetate of 30%-75%, weight percent is the vinyl laurate of 1 to 30% or the vinyl carboxylates vinyl acetate containing 5 to 12 carbon atoms and α-side chain and weight percent are the multipolymer that (methyl) acrylate of 1%-30% is formed, the alcohols wherein generating (methyl) acrylate is the straight or branched alcohols containing 1 to 15 carbon atom, especially methyl methacrylate, methacrylic ester, n-butyl acrylate or 2-ethylhexyl acrylate can be also the ethene of 1%-40% containing weight percent; It is the polymkeric substance that the vinylchlorid of 1%-60% is formed that one or more carboxylic groups contain ethene that the vinyl acetate of 1 to 12 carbon atom and weight percent are 1%-40% and weight percent, wherein vinyl acetate such as vinyl acetate, propionate, vinyl laurate, vinyl carboxylates containing 5 to 12 carbon atoms and α-side chain, as VeoVa9
?and VeoVa10
?.Often kind of polymkeric substance can contain the auxiliary monomer of above-mentioned component, and the numerical value summation of its weight percent is 100% in all cases.
In dispersibility latex powder of the present invention, the selection of the selection of monomer and the weight percent of comonomer preferably can make its glass transition temperature Tg within the scope of-50 ° of C to+50 ° of C, and more excellent is-40 ° of C to+40 ° of C, and optimum is-20 ° of C to+30 ° of C.The glass transition temperature Tg of polymkeric substance measures by known dsc (DSC).Tg also can in advance by the proximate calculation of Fox's equation." American Physical Society's circular " (Bull.Am.PhysicsSoc.) the 1st volume the 3rd phase paper of the 123rd page within 1956, is published according to Fox (FoxT.G.), its equation is as follows: 1/Tg=x1/Tg1+x2/Tg2+...+xn/Tgn, wherein xn represents the massfraction (wt%/100) of monomer n, and Tgn is the glass transition temperature (representing with open type temperature) of the homopolymer of monomer n.The Tg value of homopolymer can inquire about the polymer handbook second edition, J.Wiley & Sons, NewYork (1975).
Dispersibility latex powder of the present invention based on high molecular polymer usually prepare in an aqueous medium, preferential use the emulsion or suspension polymerization technique that describe in WO2010/057888A1.In this case the polymkeric substance obtained is the form of water-based emulsion.The usual protective colloid and/or emulsifying agent that describe in WO2010/057888A1 can be used in the course of the polymerization process.Protective colloid selective hydrolysis degree is 80-100mol%(molar percentage) the polyvinyl alcohol of part or all of hydrolysis; especially degree of hydrolysis is 80 to 94mol%; and H ppler viscosity is that under 1 to 30mPas(20 ° of C, H ppler method measures in the aqueous solution of 4% intensity, DIN53015) the polyvinyl alcohol of partial hydrolysis.Above-mentioned protective colloid can be obtained by the methods known to those skilled in the art, and addition is in the course of the polymerization process generally 1%-20%(and accounts for total weight of monomer).
Dispersibility latex powder of the present invention is formed by drying aids (being generally protective colloid) and anti-hard caking agent drying by corresponding emulsion polymerization.Conventional drying means comprises spraying dry, vacuum-drying, pulse-combustion drying, lyophilize, fluidised bed drying, one or more emulsion polymerizations of the homopolymerization of water dispersion or copolymerization are carried out drying and obtain by drum drying or flash drying etc.
Emulsion polymerization of the present invention is preferably spray-dried changes corresponding water-dispersible latex powder into, and example is shown in WO2010/057888A1.In this case, usually adding total amount is that 3%-30%(accounts for component of polymer gross weight in emulsion) drying aids.The preferred above-mentioned polyvinyl alcohol of drying aids.In addition, also anti-hard caking agent can be added in drying process or after drying.
On sale on dispersibility latex powder market.The Vinnapas of such as Wacker Chemical Co., Ltd
?(the resistance to reality of prestige
?) dispersibility latex powder.
Water-holding agent of the present invention, can be selected from ether of cellulose, starch ethers, high molecular weight water soluble polymer or its mixture.
Ether of cellulose of the present invention is the mixture of one or more ether of cellulose, alkyl cellulose ether, hydroxyalkyl cellulose ether, Walocel MT 20.000PV ether can be selected from and there is the mixed ether of at least two kinds of different substituents, wherein the substituting group of mixed ether can be alkyl, hydroxyalkyl, methylol, and in often kind of situation, the carbonatoms of alkyl is 1 to 10.Alkyl preferable methyl, ethyl and/or propyl group; The preferred methylol of hydroxyalkyl, hydroxyethyl and/or hydroxypropyl.
Ether of cellulose brookfield viscosity of the present invention is generally 50-300,000mPas, preferred 100-100,000mPas, particularly preferably 300-50,000mPas.Viscosimetric analysis is carried out under 2% aqueous conditions of 20rpm and 20 ° C.
Ether of cellulose of the present invention is particularly preferably methylcellulose gum (MC), ethyl cellulose (EC), methyl hydroxyethylcellulose (MHEC), Type 3U (EHEC), methyl ethyl hydroxyethyl cellulose (MEHEC), Natvosol (HEC), hydroxypropylcellulose (HPC), methylhydroxypropylcellulose (MHPC), Vltra tears (HPMC), hydroxyethylmethyl-cellulose (HEMC) and carboxymethyl cellulose (CMC).
On sale on ether of cellulose market of the present invention.Such as, the Berocoll of AkzoNobelNV production
?, WolffCellulosicsGmbH & Co.KG produce Walocel
?, DowChemicalCompany produce Methocel
?or Cellosize
?, SETyloseGmbH & Co.KG produce Tylose
?with the Mei Leshi that Shanghai Hui Guang Fine Chemical Co., Ltd produces
?(MEILOSE
?) or AshlandInc. produce Culminal
?or Natrosol
?or Culminal, Combizell, Tecpoly etc. of Hercules Tian Pu Chemical Co., Ltd..
High molecular weight water soluble polymer of the present invention, be preferably polyalkenylalcohols, polyacrylamide one or more.
Water reducer of the present invention, optional from polycarboxylic acid, melamine class, naphthalene system, lignin, casein food grade one or more, preferred polycarboxylic acid, melamine class, naphthalene system one or more.
Another embodiment of the invention relates to a kind of dispersibility latex powder and can be used for nondestructive testing, it is characterized in that, wherein said fluorescent indicator accounts for the 0.1ppm to 50% of described dispersibility latex powder weight, preferred 1ppm to 1,000ppm.
Dispersibility latex powder of the present invention, be by described fluorescent indicator and described dispersibility latex powder between polymerization period and/or mix afterwards or mixed before or after the drying of dispersibility latex powder and prepare.
Another embodiment of the invention relates to a kind of emulsion polymerization and can be used for nondestructive testing, it is characterized in that, wherein said fluorescent indicator accounts for the 0.1ppm to 50% of described emulsion polymerization weight, preferred 1ppm to 1,000ppm.
Emulsion polymerization of the present invention prepares by described fluorescent indicator is added and mixed in the last handling process of the emulsion polymerization described in preparation.
The present invention includes a kind of detection method detecting hardenable compositions quality, it is characterized in that, be detected as quantitative and semi-quantitative mode, can at the scene or the harmless test fast in laboratory.Hardenable compositions (before using or after sclerosis) manifests specific visible ray after utilizing laser radiation, determines whether qualitatively to be before this added with certain crucial additive; Simultaneously by compare containing additive standard substance described in constant concentration be excited visible ray intensity and manifest visual intensity time irradiation height, can the volume abundance of the crucial additive of semiquantitative estimation, judge the potential mass defect of hardenable compositions according to this fast.
accompanying drawing explanation
Fig. 1: embodiment 2 actual detection height and Theoretical Calculation aspect ratio are comparatively
Embodiment
SFJ-400 high speed dispersor: purchased from Shanghai Modern Environmental Engineering Technology Co., Ltd.
Wavelength 980nm infrared laser pen: 375mv model.
Cohesive force is tested:
The cohesive strength of adhesive mortar and polystyrene thermal insulation plate (EPS) is tested according to JG149-2003 " expanded polystyrene external insulating system for thinly plastered external wall ".Concrete grammar is as follows:
Prepare mortar according to the explanation in embodiment, and be bonded on the mortar base plate of 7x7cm by styrofoam (EPS) identical for size, the bond area of every block EPS plate bonding is 4x4cm.
Test should be carried out under following state:
After standard cure, (23 ° of C, 50%RH) maintenance 14 days in laboratory conditions, with the LBY puller system of China Natioanl Building Materials Certification Center Co., Ltd., with the force speed of 5mm/min, the cohesive force between test EPS and mortar block.
Embodiment: the screening of fluorescent indicator
Plastering mortar for external wall heat insulation system contains cement, sand, dispersibility latex powder (containing 200ppm indicator), HPMC ether of cellulose (45,000mPas hydroxypropyl methyl cellulose ether) content is than for 25.00%:72.35%:2.50%:0.15%, the water adding all component gross dry weights 20% mixes, and placement is solidified.
Indicator, dispersibility latex powder containing 200ppm indicator and the plastering mortar finished product prepared by the dispersibility latex powder containing 200ppm indicator, excite colour developing (the results are shown in Table 1) with the infrared laser pen that wavelength is 980nm respectively.
Indicator 1: excite green fluorescence indicator, containing elements such as yttrium, scandium, strontium, cerium, samariums.
Indicator 2: excitated blue fluorescent indicator, containing zinc, cobalt, silver, the elements such as thallium.
Indicator 3: excitated red fluorescent indicator, containing cadmium, cobalt, copper, the elements such as thallium.
The colour developing result of the different indicator of table 1
Embodiment 1
The indicator 1 SFJ-400 high speed dispersor selected by above-mentioned for 200ppm testing sieve, mixes 20 minutes with the rotating speed of 600 revs/min, is evenly mixed into by indicator in dispersibility latex powder, the obtained dispersibility latex powder containing indicator.This latex powder is added in table 2 external wall heat insulation system adhesive mortar formula.
Table 2 embodiment 1 external wall heat insulation system adhesive mortar formula (weight percent)
EPS plate is bonded on mortar block by the above-mentioned mortar mixed, according to the standard testing of JG149-2003 and the cohesive force of styrofoam (EPS) and use wavelength 980nm infrared laser pen to excite visible ray, the results are shown in Table 3.
Table 3 embodiment 1 test result
All laser detection are carried out when not turning on light in indoor
From table 3 test result, not only cohesive strength is high to be mixed with formula 3 mortar of 2.50% dispersibility latex powder, and is finally that 100%EPS styrofoam is destroyed, and this means that the cohesive force of mortar is more than the self-strength of EPS plate.
Embodiment 2
Use SFJ-400 high speed dispersor; 15 minutes are mixed with the rotating speed of 800 revs/min; the indicator 1 that above-mentioned for 400ppm testing sieve is selected being scattered in vinyl acetate-ethylene copolymerization emulsions, when having protective colloid and anti-caking agent and suitable additives, adopting Nong Bilusa 1m
3lab spray dryer spraying dry, makes the dispersibility latex powder containing indicator.
Dispersibility latex powder containing indicator is mixed in table 4 external wall heat insulation system plastering mortar.
Table 4 embodiment 2 external wall heat insulation system plastering mortar formula (weight percent)
By above-mentioned plastering mortar together with enhancing grid cloth, the body of wall of external wall outer insulation posting 1.2x0.6mEPS plate in advance smears about 4mm thick, field curing 18 hours, the ultimate range of green fluorescence then can be seen with the infrared laser pen test of 980nm, and record.
Table 5 embodiment 2 test result
Be standard with the detectable height of the reality of the detection of formula 4, as the benchmark of the detectable height of its Theoretical Calculation, calculate the theory detection height of formula 5 and formula 6 according to the ratio of dispersibility latex powder in formula.
From table 5 and Fig. 1, maximum detection height is directly proportional to the content of dispersibility latex powder, and actual detection value and calculated value are very close.This method has been enough to the volume as semiquantitative Measures compare and estimation dispersibility latex powder, and then finds potential quality problems.
Claims (16)
1. a hardenable compositions additive, is characterized in that the indicator containing the visible ray that can be excited.
2. hardenable compositions additive according to claim 1, it is characterized in that, described hardenable compositions be water and/or air-setting composition and other contain the mixture of organic gel gel material, preferred dry-mixed mortar form composition, moisture mortar form composition or concrete.
3. hardenable compositions additive according to claim 1 and 2, it is characterized in that, described additive is selected from the mixture of one or more of binding agent, water-holding agent, hardening accelerator, retardant, water reducer, hydrophober, defoamer, softening agent, thickening material, thixotropic agent, fiber, anti-fissuring agent, air entrapment agent.
4. the hardenable compositions additive according to any one of claim 1-3, is characterized in that, described indicator is fluorescent indicator, and described fluorescent indicator preferably can be inspired the indicator of green visible; Described fluorescent indicator contains rare earth element, transition metal or its mixture, more preferably containing yttrium and scandium element.
5. the hardenable compositions additive according to any one of claim 1-3, is characterized in that, the incident light of described indicator is infrared laser, and described infrared laser wavelength is 780-1,600nm, is more preferably 960-1,000nm.
6. hardenable compositions additive according to any one of claim 1-5, is characterized in that, described indicator accounts for the 1ppm to 50% of described weight of additive.
7. the hardenable compositions additive according to any one of claim 3-6, it is characterized in that, described binding agent is organic binder bond and/or inorganic mineral binding agent, is preferably the mixture of one or more of high molecular polymer dispersion powder, high molecular polymer dispersion liquid, high molecular weight water soluble polymer powder or solution, natural polymer powder or liquid.
8. the hardenable compositions additive according to any one of claim 3-6, is characterized in that, described water-holding agent is selected from ether of cellulose, starch ethers, high molecular weight water soluble polymer or its mixture.
9. hardenable compositions additive according to claim 8, it is characterized in that, described ether of cellulose is selected from alkyl cellulose ether, hydroxyalkyl cellulose ether, Walocel MT 20.000PV ether and the mixed ether with at least two kinds of different substituents, the substituting group of described mixed ether can be alkyl, hydroxyalkyl, methylol, in often kind of situation, the carbonatoms of alkyl is 1 to 10, preferable methyl Mierocrystalline cellulose (MC), ethyl cellulose (EC), methyl hydroxyethylcellulose (MHEC), Type 3U (EHEC), methyl ethyl hydroxyethyl cellulose (MEHEC), Natvosol (HEC), hydroxypropylcellulose (HPC), methylhydroxypropylcellulose (MHPC), Vltra tears (HPMC), hydroxyethylmethyl-cellulose (HEMC), one or more of carboxymethyl cellulose (CMC).
10. the hardenable compositions additive according to any one of claim 3-6, it is characterized in that, described water reducer optional from polycarboxylic acid, melamine class, naphthalene system, lignin, casein food grade one or more, preferred polycarboxylic acid, melamine class, naphthalene system one or more.
11. 1 kinds of hardenable compositions, is characterized in that, the indicator containing the visible ray that can be excited according to claim 1.
12. 1 kinds of dispersibility latex powder, is characterized in that, the indicator containing the visible ray that can be excited according to claim 1.
13. dispersibility latex powder according to claim 12, is characterized in that, described dispersable adhesive powder and described indicator are between polymerization period and/or mix afterwards or mixed before or after the drying of dispersibility latex powder emulsion.
14. dispersibility latex powder according to claim 12 or 13, it is characterized in that, polymkeric substance containing one or more ethylenically unsaturated monomers, described ethylenically unsaturated monomer is selected from vinyl acetate, (methyl) acrylate, vinyl aromatics, alkene, 1,3-diolefine and vinyl halide, or the monomer of copolyreaction can be there is in other.
15. 1 kinds of emulsion polymerizations, is characterized in that, the indicator containing the visible ray that can be excited according to claim 1, add and mix and obtain in the last handling process of the described emulsion of preparation.
16. 1 kinds of test rights require the method for the hardenable compositions additive level described in 1, comprising:
The hardenable compositions containing described additive is irradiated with incident light transmitter;
The visual intensity that detection is excited and height when there is visible ray between laser pen and test point;
The standard substance of contrast containing additive described in constant concentration;
Estimate the content of described additive quantitative and semi-quantitative.
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| CN108585686A (en) * | 2018-05-21 | 2018-09-28 | 成都建工预筑科技有限公司 | A kind of fluorescent foam concrete |
| CN109734352A (en) * | 2019-01-25 | 2019-05-10 | 中交二航武汉港湾新材料有限公司 | Extra retarded set self-hardening slurry enhances additive and preparation method |
| CN112028535A (en) * | 2019-06-04 | 2020-12-04 | 韩超 | Mortar glue for building mortar |
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| CN101230214A (en) * | 2008-02-26 | 2008-07-30 | 武汉理工大学 | Cement-based luminous ceramic-imitation dry powder coating and preparation method thereof |
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