CN104152225A - Environment-friendly concrete-dedicated aqueous demoulding agent and preparation method thereof - Google Patents
Environment-friendly concrete-dedicated aqueous demoulding agent and preparation method thereof Download PDFInfo
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- CN104152225A CN104152225A CN201410414375.2A CN201410414375A CN104152225A CN 104152225 A CN104152225 A CN 104152225A CN 201410414375 A CN201410414375 A CN 201410414375A CN 104152225 A CN104152225 A CN 104152225A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000004567 concrete Substances 0.000 claims abstract description 70
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 61
- 239000002253 acid Substances 0.000 claims abstract description 20
- -1 alkyl aliphatic ester Chemical class 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 229920000570 polyether Polymers 0.000 claims abstract description 14
- 125000005233 alkylalcohol group Chemical group 0.000 claims abstract description 10
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 9
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 18
- 150000002632 lipids Chemical class 0.000 claims description 14
- 239000000839 emulsion Substances 0.000 claims description 13
- 239000012466 permeate Substances 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003112 inhibitor Substances 0.000 claims description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 7
- 239000003921 oil Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 125000003368 amide group Chemical group 0.000 claims description 6
- 230000001804 emulsifying effect Effects 0.000 claims description 6
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims description 6
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- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 6
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 6
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- 230000035484 reaction time Effects 0.000 claims description 6
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 6
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- 239000004094 surface-active agent Substances 0.000 claims description 6
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- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 4
- MSXVEPNJUHWQHW-UHFFFAOYSA-N 2-methylbutan-2-ol Chemical class CCC(C)(C)O MSXVEPNJUHWQHW-UHFFFAOYSA-N 0.000 claims description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
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- CUXYLFPMQMFGPL-SUTYWZMXSA-N all-trans-octadeca-9,11,13-trienoic acid Chemical compound CCCC\C=C\C=C\C=C\CCCCCCCC(O)=O CUXYLFPMQMFGPL-SUTYWZMXSA-N 0.000 claims description 4
- 150000001414 amino alcohols Chemical class 0.000 claims description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 4
- 229960003656 ricinoleic acid Drugs 0.000 claims description 4
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 claims description 4
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical group [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 4
- 235000010234 sodium benzoate Nutrition 0.000 claims description 4
- 239000004299 sodium benzoate Substances 0.000 claims description 4
- 239000008117 stearic acid Substances 0.000 claims description 4
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 claims description 3
- MHNNAWXXUZQSNM-UHFFFAOYSA-N 2-methylbut-1-ene Chemical compound CCC(C)=C MHNNAWXXUZQSNM-UHFFFAOYSA-N 0.000 claims description 3
- DPUOLQHDNGRHBS-UHFFFAOYSA-N Brassidinsaeure Natural products CCCCCCCCC=CCCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-UHFFFAOYSA-N 0.000 claims description 3
- URXZXNYJPAJJOQ-UHFFFAOYSA-N Erucic acid Natural products CCCCCCC=CCCCCCCCCCCCC(O)=O URXZXNYJPAJJOQ-UHFFFAOYSA-N 0.000 claims description 3
- 235000021314 Palmitic acid Nutrition 0.000 claims description 3
- 229920001213 Polysorbate 20 Polymers 0.000 claims description 3
- 229920001214 Polysorbate 60 Polymers 0.000 claims description 3
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 3
- XQBCVRSTVUHIGH-UHFFFAOYSA-L [dodecanoyloxy(dioctyl)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCCCCCC)(CCCCCCCC)OC(=O)CCCCCCCCCCC XQBCVRSTVUHIGH-UHFFFAOYSA-L 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- DPUOLQHDNGRHBS-KTKRTIGZSA-N erucic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-KTKRTIGZSA-N 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 3
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims description 3
- 229940098695 palmitic acid Drugs 0.000 claims description 3
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N pentanoic acid group Chemical group C(CCCC)(=O)O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 3
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 3
- 229920000053 polysorbate 80 Polymers 0.000 claims description 3
- WBHHMMIMDMUBKC-QJWNTBNXSA-N ricinoleic acid Chemical compound CCCCCC[C@@H](O)C\C=C/CCCCCCCC(O)=O WBHHMMIMDMUBKC-QJWNTBNXSA-N 0.000 claims description 3
- 239000011973 solid acid Substances 0.000 claims description 3
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 235000021313 oleic acid Nutrition 0.000 claims description 2
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 claims description 2
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 239000013556 antirust agent Substances 0.000 abstract 1
- 238000004945 emulsification Methods 0.000 abstract 1
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- 238000012360 testing method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
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- TZBAVQKIEKDGFH-UHFFFAOYSA-N n-[2-(diethylamino)ethyl]-1-benzothiophene-2-carboxamide;hydrochloride Chemical compound [Cl-].C1=CC=C2SC(C(=O)NCC[NH+](CC)CC)=CC2=C1 TZBAVQKIEKDGFH-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Polyethers (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The invention discloses an environment-friendly concrete-dedicated aqueous demoulding agent and a preparation method thereof. The preparation method comprises the following steps: making aliphatic acid carry out reactions with C3-C5 alkyl alcohol to obtain alkyl aliphatic ester, then mixing the alkyl aliphatic ester with modified polyether, an emulsifier, and an isolating agent to carry out reactions, carrying out high-speed emulsification, adding a penetrating agent, an antirust agent, and a stabilizing agent at the same time, and finally evenly mixing so as to obtain the environment-friendly concrete-dedicated aqueous demoulding agent. The preparation method has a simple technology, the obtained environment-friendly concrete-dedicated aqueous demoulding agent has a very good demoulding ability, the concrete surface is smooth, flat, and flawless after the demoulding, little concrete is adhered on the mould, and the demoulding agent does not corrode the mould and has the advantages of environment-friendliness, economy, and harmlessness.
Description
Technical field
The invention belongs to the technical field of material of construction, relate in particular to special-purpose aqueous releasing agent of a kind of environment-friendly type concrete and preparation method thereof.
Background technology
Concrete parting agent, be known as again concrete isolation agent or demoulding lubricant, a kind of material or material that applies or be sprayed at template internal surface, it can produce one deck barrier film, play lubricated and buffer action, effectively reduce bonding strength between concrete and template, impel concrete can depart from smoothly template in the time of form removal, keep concrete shape complete bright and clean.As the supplementary material of concrete construction, concrete parting agent almost has identical history with concrete, as far back as the twenties in last century, various countries utilize aqueous soup solution, waste diesel, used oil, lime, talcum powder etc. to make releasing agent in concrete works, but its stripping result is general, and aqueous soup solution is basic solution, affects concrete and build the surface quality after moulding.Along with the application of concrete placement novel process, the appearance of the new type formworks such as Sheet Steel Form, glass steel formwork, wooden form, glued mould, steel concrete shuttering and plastic inside lining follow board, and concrete surface quality and decorate the raising of grade, concrete parting agent has been proposed to renewal, higher requirement.
From twentieth century beginning of the sixties, after external commodity releasing agent comes out, concrete formation makes great progress in research with releasing agent, and releasing agent development is very swift and violent, so far formed a series of products, and progressively matched with modern construction, mould plate technique.The early stage concrete works major part of China is also to use machine oil or used oil as release materials.Although this type of releasing agent demoulding is better, but the time of drying after applying is longer, very easily stain constructing operation personnel's clothing and pollute reinforcing bar, and after concrete hardening form removal, also usually there is oil mark on the surface of structures, has affected the attractive in appearance of concrete surface, and later stage of concrete surface is decorated, for example the bonding of swabbing, the ornament layer such as paint, plaster is brought very adverse influence, is not too welcome by engineering circles.
Make a general survey of concrete parting agent product in domestic and international market, the starting material of most products all derive from machine oil, diesel oil, lubricating oil, paraffin, the materials such as paint, and these materials almost all belong to petroleum industry product, be to be all subordinated in the oil of Nonrenewable resources to produce refinement.And the development of human society causes the market requirement of concrete parting agent increasing, thereby it is even more important and urgent that the development research of environmental type releasing agent just seems.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, special-purpose aqueous releasing agent of a kind of environment-friendly type concrete and preparation method thereof is provided, there is good stripping result, the smooth zero defect of concrete surface after the demoulding, mould concrete adhesive capacity is few, to template non-corroding, and green, environmental protection, economy, to human body without injury.
One of the technical solution adopted for the present invention to solve the technical problems is:
A preparation method for the special-purpose aqueous releasing agent of environment-friendly type concrete, comprising:
1) according to the mass fraction, by the lipid acid of 50～100 parts, the C of 10～50 parts
3-C
5alkyl alcohol, the stopper that accounts for lipid acid and alkyl alcohol total mass 1～3%, the catalyzer that accounts for lipid acid and alkyl alcohol total mass 2～4% join in reactor, temperature of reaction is 75～95 DEG C, and the reaction times is 2～4h, and reaction finishes rear cooling, generate fatty acid alkyl ester, be filmogen;
2) according to the mass fraction, the modified polyether of the above-mentioned filmogen of 80～99 parts and 1～20 part is added in reactor, at 30～50 DEG C, add the emulsifying agent of 0.5～4 part and the separant of 1～4 part, stir 20～40min; Add the emulsified water of 1～10 part, then stir 20～40min, obtain pre-emulsion;
3) above-mentioned pre-emulsion is carried out in the high-speed emulsifying machine of 1000～2000r/min to emulsify at a high speed, again according to the mass fraction, add the permeate agent of 0.05～1 part, the rust inhibitor of 0.1～1 part, the stablizer of 0.1～5 part, continue to stir 10～30min, obtain the special-purpose aqueous releasing agent of environment-friendly type concrete.
In one embodiment: described lipid acid is at least one in Palmiticacid, stearic acid, oleic acid, erucic acid, eleostearic acid, ricinolic acid.
In one embodiment: described C
3-C
5alkyl alcohol is propyl alcohol, Virahol, butanols, isopropylcarbinol, 2-amylalcohol, 2-methyl-1-butene alcohol, 2-methyl-2-butanols, 2, at least one in 2-dimethyl-1-propyl alcohol.
In one embodiment: described stopper is at least one in Resorcinol, pentanoic, thiodiphenylamine, quinhydrones; Described catalyzer is at least one in tosic acid, the vitriol oil, phosphoric acid, Witco 1298 Soft Acid, composite solid-acid catalyst.
In one embodiment: described modified polyether is that molecular weight is the aqueous solution that a kind of massfraction in the amino polyoxyethylene ether of 230 or 400 end is 45～55%.
In one embodiment: described emulsifying agent is at least one in oil emulsifier S-20, S-40, S-60, S-80, S-85, Tween-20, Tween-40, Tween-60, Tween-80, Tween-85, TX-4, TX-5, TX-7, TX-9; Described separant is that molecular weight is the one in 4000 or 6000 amido polyethers organic silicon surfactant.
In one embodiment: described emulsified water is the aqueous solution that a kind of massfraction in water emulsifier OP-4, OP-7, OP-9, OP-10, PEG600MO, PEG600DO, PEG4000MO, PEG6000MO is 0.5～2%.
In one embodiment: described permeate agent is low bubble permeate agent SF; Described rust inhibitor is Sodium Benzoate or JK-H
2one in O (A) compounded amino alcohol; Described stablizer is the one in di-n-butyltin dilaurate, Bis(lauroyloxy)dioctyltin or dimethyl dimercapto 2-ethyl hexyl ethanoate tin.
Two of the technical solution adopted for the present invention to solve the technical problems is:
According to the special-purpose aqueous releasing agent of the prepared environment-friendly type concrete of the preparation method of the special-purpose aqueous releasing agent of environment-friendly type concrete, the raw material of the special-purpose aqueous releasing agent of described environment-friendly type concrete according to the mass fraction, comprises: the lipid acid of 50～100 parts, the C of 10～50 parts
3-C
5alkyl alcohol, the stopper that accounts for lipid acid and alkyl alcohol total mass 1～3%, the catalyzer that accounts for lipid acid and alkyl alcohol total mass 2～4%, the modified polyether of 1～20 part, the emulsifying agent of 0.5～4 part, the separant of 1～4 part, the emulsified water of 1～10 part, the permeate agent of 0.05～1 part, the rust inhibitor of 0.1～1 part, the stablizer of 0.1～5 part.
Reagent, material and instrument involved in the present invention, except special instruction, is the product that can buy on market.
The technical program is compared with background technology, and its tool has the following advantages:
1. the present invention is mainly by adopting fatty acid alkyl ester as main film forming substance, and introduce modified polyether jointly as filmogen, both coordinate the film-forming properties that has improved emulsion, make product performance more stable, spraying or be coated in template after can form the uniform film of one deck, concrete and template are fully kept apart, be conducive to improve concrete stripping result; Introduce separant, made can better separate with template after concrete formation, the smooth zero defect of concrete surface after the demoulding, mould concrete adhesive capacity is few; The employing of low bubble permeate agent makes concrete apparent bubble reduce to minimum, apparent more smooth; Rust inhibitor has also avoided aqueous release agent to the issuable corrosion of template.
2. what the preparation method of the special-purpose aqueous releasing agent of environment-friendly type concrete of the present invention adopted is three-step approach, and technique is simple, and condition is easily controlled, stable performance, the organic solvent that does not contain contaminate environment in production, what obtain is a kind of aqueous release agent of environmental protection, is easy to suitability for industrialized production.
Embodiment
Illustrate content of the present invention below by embodiment:
Embodiment 1
1) according to the mass fraction, by the oleic acid of 60 parts, the Virahol of 40 parts, the tosic acid of the Resorcinol of 2 parts and 3 parts joins in reactor, temperature of reaction is 90 DEG C, reaction times is 3h, after reaction finishes, be down to room temperature (25～35 DEG C), generate acid isopropyl, be filmogen;
2) according to the mass fraction, amino polyoxyethylene ether (molecular weight the is 230) aqueous solution of the end that is 50% by the massfraction of the above-mentioned filmogen of 90 parts and 10 parts adds in reactor, at 35 DEG C, add the amido polyethers organic silicon surfactant (molecular weight is 4000) of S (sapn)-20 and 3 part of 1.5 parts, 1000r/min stirs 30min; OP (polyoxyethylene octylphenol ether)-10 aqueous solution that the mass concentration that adds 5 parts is 1%, then 1000r/min stirring 30min, obtain pre-emulsion;
3) above-mentioned pre-emulsion is carried out in the high-speed emulsifying machine of 1200r/min to emulsify at a high speed, more according to the mass fraction, add the low bubble permeate agent SF (poly alkyl alcohol oxyalkyl ether) of 0.1 part, the JK-H of 0.5 part
2o (A) compounded amino alcohol, the di-n-butyltin dilaurate of 0.5 part, continue to stir 20min under 1000r/min, obtains the special-purpose aqueous releasing agent of environment-friendly type concrete.
Embodiment 2
1) according to the mass fraction, by the eleostearic acid of 75 parts, the butanols of 25 parts, the vitriol oil of the thiodiphenylamine of 2 parts and 3 parts joins in reactor, temperature of reaction is 85 DEG C, reaction times is 2.5h, after reaction finishes, be down to room temperature (25～35 DEG C), generate eleostearic acid butyl ester, be filmogen;
2) according to the mass fraction, amino polyoxyethylene ether (molecular weight the is 400) aqueous solution of the end that is 50% by the massfraction of the above-mentioned filmogen of 85 parts and 15 parts adds in reactor, at 40 DEG C, add the S-60 of 1 part and the amido polyethers organic silicon surfactant of 2 parts (molecular weight is 6000), 1000r/min stirs 30min; The OP-7 aqueous solution that the mass concentration that adds 3 parts is 1%, then 1000r/min stirring 30min, obtain pre-emulsion;
3) above-mentioned pre-emulsion is carried out in the high-speed emulsifying machine of 1500r/min to emulsify at a high speed, again according to the mass fraction, add the low bubble permeate agent SF of 0.4 part, the Sodium Benzoate of 0.7 part, the Bis(lauroyloxy)dioctyltin of 2 parts, continue to stir 20min under 1000r/min, obtain the special-purpose aqueous releasing agent of environment-friendly type concrete.
Embodiment 3
1) according to the mass fraction, by the ricinolic acid of 80 parts, the 2-amylalcohol of 20 parts, the Witco 1298 Soft Acid of the pentanoic of 2 parts and 3 parts joins in reactor, temperature of reaction is 80 DEG C, reaction times is 3h, after reaction finishes, be down to room temperature (25～35 DEG C), generate ricinolic acid pentyl ester, be filmogen;
2) according to the mass fraction, amino polyoxyethylene ether (molecular weight the is 230) aqueous solution of the end that is 50% by the massfraction of the above-mentioned filmogen of 95 parts and 5 parts adds in reactor, at 40 DEG C, add the S-80 of 3 parts and the amido polyethers organic silicon surfactant of 2 parts (molecular weight is 6000), 1000r/min stirs 30min; The OP-4 aqueous solution that the mass concentration that adds 7 parts is 1%, then 1000r/min stirring 30min, obtain pre-emulsion;
3) above-mentioned pre-emulsion is carried out in the high-speed emulsifying machine of 1800r/min to emulsify at a high speed, more according to the mass fraction, add the low bubble permeate agent SF of 0.7 part, the JK-H of 0.2 part
2o (A) compounded amino alcohol, the dimethyl dimercapto 2-ethyl hexyl ethanoate tin of 4 parts, continue to stir 20min under 1000r/min, obtains the special-purpose aqueous releasing agent of environment-friendly type concrete.
Embodiment 4
1) according to the mass fraction,, by the stearic acid of 80 parts, 2-methyl-2-butanols of 20 parts, (that in the present embodiment, adopt is rare-earth solid superacid SO4 to the composite solid-acid catalyst of the quinhydrones of 2 parts and 3 parts
2-/ TiO
2/ Mo
6+, but not as limit) join in reactor, temperature of reaction is 80 DEG C, the reaction times is 3h, after reaction finishes, is down to room temperature (25～35 DEG C), obtains filmogen;
2) according to the mass fraction, amino polyoxyethylene ether (molecular weight the is 400) aqueous solution of the end that is 50% by the massfraction of the above-mentioned filmogen of 97 parts and 3 parts adds in reactor, at 40 DEG C, add the amido polyethers organic silicon surfactant (molecular weight is 4000) of TX (alkylphenol polyoxyethylene)-7 and 2 part of 3 parts, 1000r/min stirs 30min; PEG600DO (Polyethylene Glycol-600 dioleic acid ester) aqueous solution that the mass concentration that adds 9 parts is 1%, then 1000r/min stirring 30min, obtain pre-emulsion;
3) above-mentioned pre-emulsion is carried out in the high-speed emulsifying machine of 1800r/min to emulsify at a high speed, again according to the mass fraction, add the low bubble permeate agent SF of 0.8 part, the Sodium Benzoate of 0.4 part, the dimethyl dimercapto 2-ethyl hexyl ethanoate tin of 1 part, continue to stir 20min under 1000r/min, obtain the special-purpose aqueous releasing agent of environment-friendly type concrete.
Embodiment 5
1 difference of the present embodiment and embodiment is, by embodiment 1 step 1) in oleic acid replace with erucic acid, Virahol replaces with propyl alcohol; Step 2) in S-20 replace with S-40, PEG4000MO for OP-10 (Macrogol 4000 monoleate) replace; All the other concrete steps are with embodiment 1.
Embodiment 6
1 difference of the present embodiment and embodiment is, by embodiment 1 step 2) in Tween for S-20 (tween)-20 replace, OP-10 replaces with PEG6000MO; All the other concrete steps are with embodiment 1.
Embodiment 7
1 difference of the present embodiment and embodiment is, by embodiment 1 step 2) in S-20 replace with Tween-40; All the other concrete steps are with embodiment 1.
Embodiment 8
1 difference of the present embodiment and embodiment is, by embodiment 1 step 2) in S-20 replace with TX-4; All the other concrete steps are with embodiment 1.
Embodiment 9
2 differences of the present embodiment and embodiment are, by embodiment 2 steps 1) in butanols replace with isopropylcarbinol, the vitriol oil replaces with phosphoric acid; Step 2) in S-60 replace with Tween-60, OP-7 replaces with PEG600MO; All the other concrete steps are with embodiment 2.
Embodiment 10
2 differences of the present embodiment and embodiment are, by embodiment 2 steps 2) in S-60 replace with Tween-80; All the other concrete steps are with embodiment 2.
Embodiment 11
2 differences of the present embodiment and embodiment are, by embodiment 2 steps 2) in S-60 replace with TX-5; All the other concrete steps are with embodiment 2.
Embodiment 12
3 differences of the present embodiment and embodiment are, by embodiment 3 steps 1) in 2-amylalcohol replace with 2-methyl-1-butene alcohol; Step 2) in S-80 replace with S-85; All the other concrete steps are with embodiment 3.
Embodiment 13
3 differences of the present embodiment and embodiment are, by embodiment 3 steps 2) in S-80 replace with Tween-85; All the other concrete steps are with embodiment 3.
Embodiment 14
4 differences of the present embodiment and embodiment are, by embodiment 4 steps 1) in stearic acid replace with Palmiticacid, 2-methyl-2-butanols replaces with 2,2-dimethyl-1-propyl alcohol; Step 2) in TX-7 replace with TX-9; All the other concrete steps are with embodiment 4.
By special-purpose aqueous the environment-friendly type concrete obtaining in embodiment 1-14 releasing agent, measure by JC/T 949-2005 " concrete product releasing agent " standard, test its stability, drying and forming-film time and demolding performace, result all meets JC/T 949-2005 standard-required, and concrete test result is as shown in table 1:
The special-purpose aqueous releasing agent test result of environment-friendly type concrete obtaining in table 1 embodiment 1-14
| Embodiment | Stability (24h) | Drying and forming-film time/min | Demolding performace (g/m 2) |
| 1 | Evenly, not layering | 31 | 2.3 |
| 2 | Evenly, not layering | 35 | 2.1 |
| 3 | Evenly, not layering | 27 | 3.2 |
| 4 | Evenly, not layering | 40 | 1.7 |
| 5 | Evenly, not layering | 34 | 2.5 |
| 6 | Evenly, not layering | 25 | 3.3 |
| 7 | Evenly, not layering | 27 | 3.6 |
| 8 | Evenly, not layering | 30 | 4.2 |
| 9 | Evenly, not layering | 41 | 3.8 |
| 10 | Evenly, not layering | 45 | 1.5 |
| 11 | Evenly, not layering | 36 | 1.3 |
| 12 | Evenly, not layering | 19 | 1.8 |
| 13 | Evenly, not layering | 17 | 2.5 |
| 14 | Evenly, not layering | 42 | 2.8 |
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of doing according to the scope of the claims of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (9)
1. a preparation method for the special-purpose aqueous releasing agent of environment-friendly type concrete, is characterized in that: comprising:
1) according to the mass fraction, by the lipid acid of 50～100 parts, the C of 10～50 parts
3-C
5alkyl alcohol, the stopper that accounts for lipid acid and alkyl alcohol total mass 1～3%, the catalyzer that accounts for lipid acid and alkyl alcohol total mass 2～4% join in reactor, temperature of reaction is 75～95 DEG C, and the reaction times is 2～4h, and reaction finishes rear cooling, generate fatty acid alkyl ester, be filmogen;
2) according to the mass fraction, the modified polyether of the above-mentioned filmogen of 80～99 parts and 1～20 part is added in reactor, at 30～50 DEG C, add the emulsifying agent of 0.5～4 part and the separant of 1～4 part, stir 20～40min; Add the emulsified water of 1～10 part, then stir 20～40min, obtain pre-emulsion;
3) above-mentioned pre-emulsion is carried out in the high-speed emulsifying machine of 1000～2000r/min to emulsify at a high speed, again according to the mass fraction, add the permeate agent of 0.05～1 part, the rust inhibitor of 0.1～1 part, the stablizer of 0.1～5 part, continue to stir 10～30min, obtain the special-purpose aqueous releasing agent of environment-friendly type concrete.
2. the preparation method of the special-purpose aqueous releasing agent of a kind of environment-friendly type concrete according to claim 1, is characterized in that: described lipid acid is at least one in Palmiticacid, stearic acid, oleic acid, erucic acid, eleostearic acid, ricinolic acid.
3. the preparation method of the special-purpose aqueous releasing agent of a kind of environment-friendly type concrete according to claim 1, is characterized in that: described C
3-C
5alkyl alcohol is propyl alcohol, Virahol, butanols, isopropylcarbinol, 2-amylalcohol, 2-methyl-1-butene alcohol, 2-methyl-2-butanols, 2, at least one in 2-dimethyl-1-propyl alcohol.
4. the preparation method of the special-purpose aqueous releasing agent of a kind of environment-friendly type concrete according to claim 1, is characterized in that: described stopper is at least one in Resorcinol, pentanoic, thiodiphenylamine, quinhydrones; Described catalyzer is at least one in tosic acid, the vitriol oil, phosphoric acid, Witco 1298 Soft Acid, composite solid-acid catalyst.
5. the preparation method of the special-purpose aqueous releasing agent of a kind of environment-friendly type concrete according to claim 1, is characterized in that: described modified polyether is that molecular weight is the aqueous solution that a kind of massfraction in the amino polyoxyethylene ether of 230 or 400 end is 45～55%.
6. the preparation method of the special-purpose aqueous releasing agent of a kind of environment-friendly type concrete according to claim 1, is characterized in that: described emulsifying agent is at least one in S-20, S-40, S-60, S-80, S-85, Tween-20, Tween-40, Tween-60, Tween-80, Tween-85, TX-4, TX-5, TX-7, TX-9; Described separant is that molecular weight is the one in 4000 or 6000 amido polyethers organic silicon surfactant.
7. the preparation method of the special-purpose aqueous releasing agent of a kind of environment-friendly type concrete according to claim 1, is characterized in that: described emulsified water is the aqueous solution that a kind of massfraction in OP-4, OP-7, OP-9, OP-10, PEG600MO, PEG600DO, PEG4000MO, PEG6000MO is 0.5～2%.
8. the preparation method of the special-purpose aqueous releasing agent of a kind of environment-friendly type concrete according to claim 1, is characterized in that: described permeate agent is low bubble permeate agent SF; Described rust inhibitor is Sodium Benzoate or JK-H
2one in O (A) compounded amino alcohol; Described stablizer is the one in di-n-butyltin dilaurate, Bis(lauroyloxy)dioctyltin or dimethyl dimercapto 2-ethyl hexyl ethanoate tin.
9. the prepared special-purpose aqueous releasing agent of environment-friendly type concrete of the preparation method of the special-purpose aqueous releasing agent of a kind of environment-friendly type concrete according to claim 1, it is characterized in that: the raw material of the special-purpose aqueous releasing agent of described environment-friendly type concrete according to the mass fraction, comprises: the lipid acid of 50～100 parts, the C of 10～50 parts
3-C
5alkyl alcohol, the stopper that accounts for lipid acid and alkyl alcohol total mass 1～3%, the catalyzer that accounts for lipid acid and alkyl alcohol total mass 2～4%, the modified polyether of 1～20 part, the emulsifying agent of 0.5～4 part, the separant of 1～4 part, the emulsified water of 1～10 part, the permeate agent of 0.05～1 part, the rust inhibitor of 0.1～1 part, the stablizer of 0.1～5 part.
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