CN106746901B - A kind of concrete dyeing hardening sealant agent - Google Patents

A kind of concrete dyeing hardening sealant agent Download PDF

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Publication number
CN106746901B
CN106746901B CN201611043286.7A CN201611043286A CN106746901B CN 106746901 B CN106746901 B CN 106746901B CN 201611043286 A CN201611043286 A CN 201611043286A CN 106746901 B CN106746901 B CN 106746901B
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concrete
hardening sealant
sealant agent
dyeing
dyeing hardening
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CN106746901A (en
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张继
张玲洁
沈涛
杨辉
樊先平
华怀偶
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Zigong Innovation Center of Zhejiang University
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Zigong Innovation Center of Zhejiang University
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/04Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/06Acrylates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00008Obtaining or using nanotechnology related materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482Coating or impregnation materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Sealing Material Composition (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention relates to building materials technology fields, it is desirable to provide a kind of concrete dyeing hardening sealant agent.It is the raw material components by following mass percents through mixing: boehmite colloidal sol 25%~65%, emulsion acrylic resin 4%~10%, surfactant 0.1%~1%, silane coupling agent 3%~8%, nano redigity particle 1%~5%, inorganic toner 1%~6%, ethyl alcohol 6%~11%, surplus are distilled water;The nano redigity particle is SiC, BC4、C3N4、Fe3O4Or TiO2One or more of combination.The present invention can change the apparent color of concrete, reach visual aesthetic feeling, solve the problems, such as different crowd to terrace diversity requirements;The product is water-based material, easy construction, directly large area roller coating or can be sprayed into concrete surface and constructs, mattess after processing has the characteristics such as high rigidity, high-wearing feature, high glaze;Its preparation process is simple, and reaction process is easy to control, reaction condition is mild, is particularly suitable for large-scale industrial production.

Description

A kind of concrete dyeing hardening sealant agent
Technical field
The invention belongs to the field of building materials, are a kind of concrete dyeing hardening sealant agent specifically.
Background technique
Concrete is the maximum manufactured construction materials of mankind's usage amount, is widely used in all kinds of Structural Engineerings;But based on mixed Solidifying soil material itself and construction level limitation, breakage can't bear already for many infrastructure, Industrial Plant Ground etc., and surface is cheated Dirt, dusting, skin effect phenomenon, are played at weathering in hole, cause to wear no resistance, service life is short, does not adapt to modern production environment Demand, be badly in need of transformation;To solve this problem, instead scheme usually has laying timber floor, floor tile or directly applies Cover one layer of epoxies floor paint etc.;But above scheme all cost performances are too low, and field of employment is limited, are such as laid with ceramic tile or floor tile, Other than artificial and material cost is costly, it is often more important that field of employment is limited, generally can be used only in household ground or More lightly face loaded then can not substantially shorten in the service life if encountered the loading demands such as industrial premises, machine shop high field institute, And impervious performances such as grease proofing are poor;And it is short to coat epoxies floor paint one side service life, generally using will appear after 2 years or so Warp, delamination phenomena such as, better performances extend to 5 years, but the service life is still shorter;On the other hand, epoxies floor paint is not Environmental protection, VOC discharge capacity is higher, big to construction personnel's actual bodily harm.
Defect in technology and service performance based on the said goods, in recent years numerous scholars have developed dedicated for The curing agent of mattess can greatly improve its service life.Currently, most commonly used ground hardening agent on domestic and international market There are two main classes for material: one kind is lithium base salt product, and this kind of curing agent can greatly improve the wear resistance of concrete, glossiness etc. Performance, and the common fault for the whiting that product early period limited can be avoided to occur, thus it is very popular;As CN101618956A, CN200910055825 and CN201110083155.2 etc. is disclosed all with lithium base salt (lithium metasilicate) for main component, with concrete Compactness, the glossiness for increasing concrete such as humidification is played after reacting, then adds magnesium fluosilicate, silane emulsion, paraffin Etc. performances;But its active constituent content is lower, and single constructs brought concrete performance promotion less, and the gloss of done product Durability and weatherability are poor, and gloss decline is obvious in the short period.It is another kind of for Nano silica sol (such as CN201010543000.8) or boehmite sol (CN105645835A) is the agent of main component hardening sealant, wherein in silica solution Containing a large amount of silicon oxygen bonds, the afwillite (C-S-H) for generating and capable of improving concrete abrasion-resistant performance can be reacted with concrete, and vigorous nurse Stone colloidal sol can generate the calcium aluminate for improving its intensity with calcium ion and water;Above-mentioned formula can be effectively improved and to promote concrete hard The performances such as degree, wearability.As people are to the diversified increase in demand in ground, start gradually to pursue not only durable but also beautiful production Product, especially concrete apparent colour, but in patent described above, concrete basic nature can either be improved without a kind of technology Can, and its appearance luster can be changed, thus application choice is small.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, provide a kind of hardening of collection and dyeing function The concrete that can be integrated dyeing hardening sealant agent.
In order to solve the technical problem, solution of the invention is:
A kind of concrete dyeing hardening sealant agent is provided, is the raw material components by following mass percents through mixing : boehmite colloidal sol 25%~65%, emulsion acrylic resin 4%~10%, surfactant 0.1%~1%, silane Coupling agent 3%~8%, nano redigity particle 1%~5%, inorganic toner 1%~6%, ethyl alcohol 6%~11%, surplus are distillation Water;The nano redigity particle is SiC, BC4、C3N4、Fe3O4Or TiO2One or more of combination.
In the present invention, the solid content of the boehmite colloidal sol is 20~50%, average grain diameter 45nm;Its molecular formula For AlOOHnH2O, n=0.08~0.62.
In the present invention, the solid content of the emulsion acrylic resin is 30~50%, decentralized medium be distilled water, go from The combination of one or more of sub- water or ethyl alcohol.
In the present invention, the surfactant is cetyl trimethylammonium bromide (CTAB), polyethylene glycol 2000 (PEG2000), the combination of one or more of neopelex (SDBS) or polyvinylpyrrolidone (PVP).
In the present invention, the silane coupling agent is 3- urea propyl trimethoxy silicane (KH592) or dilute through dehydrated alcohol The mass ratio of 3- urea propyl trimethoxy silicane dilution after releasing, dehydrated alcohol and KH592 are 0~50: 1.
In the present invention, the partial size of the nano redigity particle is 30~70nm.
In the present invention, the inorganic toner is mixed by inorganic mineral pigments and talcum powder, mass ratio 2:1.
In the present invention, the preparation method of concrete dyeing hardening sealant agent, comprising the following steps:
(1) each component is weighed by the quality proportioning;
The ethyl alcohol and distilled water for first taking half quality, are placed in container and stir evenly;Boehmite colloidal sol is then added And emulsion acrylic resin;20~50 DEG C are heated to, and 20~60min is stirred with the rate of 150~300rmp, is subsequently cooled to Room temperature;
(2) remaining ethyl alcohol and distilled water are taken, is placed in another container and stirs evenly;Sequentially add inorganic toner and surface Then activating agent stirs 40~80min at room temperature with the rate of 150~300rmp;
(3) mixture obtained by step (1) is added into mixture obtained by step (2), persistently stirs 20~60min, stirs Mix 300~800rmp of rate;
(4) silane coupling agent is added into mixture obtained by step (3), nano redigity particle is added after stirring, sufficiently 15min is ultrasonically treated after stirring;It is then transferred in water-bath, 1~4h is stirred under 20~80 DEG C of water bath conditions, keep 150 The stirring rate of~500rmp is constant;To be down to room temperature after the reaction was completed, products therefrom is concrete dyeing hardening sealant Agent.
In the step (4), stirring 20min is further continued for after silane coupling agent is added;In ultrasonic treatment, control ultrasound Frequency is 2000Hz, ultrasonic power 350W.
Inventive principle description:
The primary raw material ingredient of concrete dyeing hardening sealant agent of the present invention is nanoscale boehmite (AlOOH nH2O, n=0.08~0.62) colloidal sol, boehmite colloidal sol be typically used as ceramics, refractory fibrous material catalyst, bonding Agent etc., but in the present invention, it can be penetrated into concrete pore under the action of surfactant and common silane coupling agent Portion in concrete hydrated product calcium hydroxide and unhydrated cement react, generate big point of network-like cross-linked structure Sub- gel, fill concrete hole keep its closely knit, furthermore, boehmite colloidal sol also reacts generation with the calcium ion in concrete The main component calcium aluminate of high alumina cement to further enhance concrete, while reducing metal ion content in concrete again, It advantageously reduces in former concrete because of damage caused by alkali-aggregate reaction;In addition, the inorganic mineral in the present invention in inorganic toner Particle penetrates into ion exchange occurs in concrete therewith together by uniformly mixing with boehmite colloidal sol, to change Become concrete color.Nano redigity particle in product of the present invention can improve concrete hardness and wearability;In addition, in the present invention The addition of emulsion acrylic resin improve the surface gloss and hydrophobic performance of concrete;Present invention utilizes it is each addition at The above-mentioned characteristic divided, to develop a kind of new concrete hardening sealant agent that collection hardening is integrated with dyeing.
Compared with the prior art, the advantages of the present invention are as follows:
(1) in the present invention nano-particle inorganic toner that adds under the action of surfactant and silane coupling agent, compared with It is scattered in well in whole network shape sol system, and is infiltrated into concrete pore together, so that it is apparent to change concrete Color reaches visual aesthetic feeling, solves the problems, such as different crowd to terrace diversity requirements;
(2) present invention is water-based material, easy construction, directly large area roller coating or can be sprayed into concrete surface and is applied Work, mattess after processing has the characteristics such as high rigidity, high-wearing feature, high glaze, and gloss is more used about persistently, surface Show gloss as waxing;
(3) present invention is the novel product for collecting concrete hardening and dyeing one, and preparation process is simple, and reaction process is held Easy to control, reaction condition is mild, also non-volatility toxic gas, no pollution to the environment in reaction, and raw material is simple, at low cost, It is particularly suitable for large-scale industrial production.
Specific embodiment
Below in conjunction with embodiment, present invention is further described in detail, it will be appreciated by those skilled in the art that The following example is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.
The dyeing hardening sealant agent of heretofore described concrete, is the raw material components by following mass percents through mixing Made of: boehmite colloidal sol 25%~65%, emulsion acrylic resin 4%~10%, surfactant 0.1%~1%, Silane coupling agent 3%~8%, nano redigity particle 1%~5%, inorganic toner 1%~6%, ethyl alcohol 6%~11%, surplus are Distilled water;The nano redigity particle is SiC, BC4、C3N4、Fe3O4Or TiO2One or more of combination.
The preparation method of concrete dyeing hardening sealant agent, comprising the following steps:
(1) each component is weighed by the quality proportioning;
The ethyl alcohol and distilled water for first taking half quality, are placed in container and stir evenly;Boehmite colloidal sol is then added And emulsion acrylic resin;20~50 DEG C are heated to, and 20~60min is stirred with the rate of 150~300rmp, is subsequently cooled to Room temperature;
(2) remaining ethyl alcohol and distilled water are taken, is placed in another container and stirs evenly;Sequentially add inorganic toner and surface Then activating agent stirs 40~80min at room temperature with the rate of 150~300rmp;
(3) mixture obtained by step (1) is added into mixture obtained by step (2), persistently stirs 20~60min, stirs Mix 300~800rmp of rate;
(4) silane coupling agent is added into mixture obtained by step (3), nano redigity particle is added after stirring, sufficiently 15min is ultrasonically treated after stirring;It is then transferred in water-bath, 1~4h is stirred under 20~80 DEG C of water bath conditions, keep 150 The stirring rate of~500rmp is constant;To be down to room temperature after the reaction was completed, products therefrom is concrete dyeing hardening sealant Agent.
As further optimization operation, after silane coupling agent is added in step (4), it is further continued for stirring 20min;In ultrasound When processing, control supersonic frequency is 2000Hz, ultrasonic power 350W.
Test data in each embodiment see the table below:
Note: the boehmite colloidal sol in table, surfactant, emulsion acrylic resin, silane coupling agent, nanometer are rigid Property particle, inorganic toner, ethyl alcohol and distilled water percentage composition (% numerical value), refer to that the component accounts for whole raw materials in this step The percentage of constituent mass summation.
The application method of gained concrete dyeing hardening sealant agent of the invention are as follows:
Mattess is successively first ground with the abrasive sheet of various different models, then by product of the present invention (i.e. concrete Dyeing hardening sealant agent) directly roller coating or be sprayed on polished ground (can according to require adjustment different colours it is inorganic Toner), it keeps earth's surface to be hardened the infiltration of agent product in 1h, is then ground.Wherein, this product dosage be about 0.1~ 0.5kg/㎡。
The performances such as concrete hardness after processing, glossiness, impervious, anti-skidding greatly improve, and a variety of colors are for adjusting Whole and selection.After construction processing of the present invention, 1~3 grade is can be improved than original ground in the Mohs' hardness on ground, and wear resistance improves 200% or more, glossiness improves 50% or more, and the glossiness of 60 ° of angle incident lights can reach 85 °.In addition, dry friction coefficient Up to 0.85, while penetration depth is in 2~8mm.

Claims (6)

1. a kind of dyeing hardening sealant agent of concrete, which is characterized in that be the raw material components by following mass percents through mixed Made of conjunction: boehmite colloidal sol 25%~65%, emulsion acrylic resin 4%~10%, surfactant 0.1%~ 1%, silane coupling agent 3%~8%, nano redigity particle 1%~5%, inorganic toner 1%~6%, ethyl alcohol 6%~11% is remaining Amount is distilled water;The nano redigity particle is SiC, BC4、C3N4、Fe3O4Or TiO2One or more of combination;
The solid content of the boehmite colloidal sol is 20~50%, average grain diameter 45nm;Its molecular formula is AlOOHnH2O, N=0.08~0.62.
2. dyeing hardening sealant agent according to claim 1, which is characterized in that the solid content of the emulsion acrylic resin It is 30~50%, decentralized medium is the combination of one or more of distilled water, deionized water or ethyl alcohol.
3. dyeing hardening sealant agent according to claim 1, which is characterized in that the surfactant is cetyl three Methyl bromide ammonium (CTAB), polyethylene glycol 2000 (PEG 2000), neopelex (SDBS) or polyvinylpyrrolidine The combination of one or more of ketone (PVP).
4. dyeing hardening sealant agent according to claim 1, which is characterized in that the silane coupling agent is 3- urea propyl three Methoxy silane (KH592) or the 3- urea propyl trimethoxy silicane dilution after dehydrated alcohol dilutes, dehydrated alcohol with The mass ratio of KH592 is 0~50: 1.
5. dyeing hardening sealant agent according to claim 1, which is characterized in that the partial size of the nano redigity particle is 30 ~70nm.
6. dyeing hardening sealant agent according to claim 1, which is characterized in that the inorganic toner is by inorganic mineral face Material is mixed with talcum powder, mass ratio 2:1.
CN201611043286.7A 2016-11-24 2016-11-24 A kind of concrete dyeing hardening sealant agent Active CN106746901B (en)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108046729A (en) * 2017-12-14 2018-05-18 自贡格灵新材料科技有限公司 A kind of preparation method of Nano sol type colour hardening sealant agent
CN107935477A (en) * 2017-12-14 2018-04-20 自贡格灵新材料科技有限公司 A kind of Nano sol type colour hardening sealant agent
CN109439039A (en) * 2018-12-15 2019-03-08 浙江大学自贡创新中心 A kind of terrace antilubricant
CN110577411B (en) * 2019-10-12 2022-04-01 苏州市兴邦化学建材有限公司 Concrete coloring agent and preparation and construction method thereof
CN113416092B (en) * 2021-07-18 2022-04-12 浙江大学杭州国际科创中心 Double-component nano sol type liquid hardening agent and preparation method thereof

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CN103755381A (en) * 2014-01-10 2014-04-30 陆天献 Nano color concrete sealing and curing agent
CN104788124A (en) * 2015-04-13 2015-07-22 哈尔滨中建璟园科技开发有限公司 Coloring agent for concrete ground and preparation method of coloring agent
CN104926263A (en) * 2015-05-27 2015-09-23 英杰惠能(北京)能源新技术有限公司 Water-based inorganic ceramic coating, and preparation method and using method thereof
CN105272357A (en) * 2014-05-26 2016-01-27 株式会社友利产业开发 Composition for coloring surface of concrete
CN105503264A (en) * 2015-11-25 2016-04-20 浙江大学自贡创新中心 Method for preparing foam concrete nano reinforcing agent
CN105800998A (en) * 2016-03-21 2016-07-27 深圳市纳路特科技有限公司 Ultra-nanometer color concrete seal solidification agent

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1271799A (en) * 1999-04-28 2000-11-01 牛文禄 Hardened artiwear ground and its construction method
CN103755381A (en) * 2014-01-10 2014-04-30 陆天献 Nano color concrete sealing and curing agent
CN105272357A (en) * 2014-05-26 2016-01-27 株式会社友利产业开发 Composition for coloring surface of concrete
CN104788124A (en) * 2015-04-13 2015-07-22 哈尔滨中建璟园科技开发有限公司 Coloring agent for concrete ground and preparation method of coloring agent
CN104926263A (en) * 2015-05-27 2015-09-23 英杰惠能(北京)能源新技术有限公司 Water-based inorganic ceramic coating, and preparation method and using method thereof
CN105503264A (en) * 2015-11-25 2016-04-20 浙江大学自贡创新中心 Method for preparing foam concrete nano reinforcing agent
CN105800998A (en) * 2016-03-21 2016-07-27 深圳市纳路特科技有限公司 Ultra-nanometer color concrete seal solidification agent

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