CN1800074A - Moisture steaming blocking agent for plastic concrete - Google Patents
Moisture steaming blocking agent for plastic concrete Download PDFInfo
- Publication number
- CN1800074A CN1800074A CN 200610037671 CN200610037671A CN1800074A CN 1800074 A CN1800074 A CN 1800074A CN 200610037671 CN200610037671 CN 200610037671 CN 200610037671 A CN200610037671 A CN 200610037671A CN 1800074 A CN1800074 A CN 1800074A
- Authority
- CN
- China
- Prior art keywords
- wax
- agent
- plastic concrete
- paraffin
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 45
- 229920003023 plastic Polymers 0.000 title claims abstract description 45
- 239000002981 blocking agent Substances 0.000 title claims description 16
- 238000010025 steaming Methods 0.000 title claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000000203 mixture Substances 0.000 claims abstract description 30
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 14
- 238000009835 boiling Methods 0.000 claims abstract description 14
- 239000012874 anionic emulsifier Substances 0.000 claims abstract description 12
- 150000002148 esters Chemical class 0.000 claims abstract description 11
- 239000003960 organic solvent Substances 0.000 claims abstract description 11
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 10
- 239000012875 nonionic emulsifier Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000001993 wax Substances 0.000 claims description 47
- 239000012188 paraffin wax Substances 0.000 claims description 38
- 239000003995 emulsifying agent Substances 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000004215 Carbon black (E152) Substances 0.000 claims description 9
- 239000004200 microcrystalline wax Substances 0.000 claims description 9
- 235000019808 microcrystalline wax Nutrition 0.000 claims description 9
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- 230000003165 hydrotropic effect Effects 0.000 claims description 6
- 150000002576 ketones Chemical class 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 238000004581 coalescence Methods 0.000 claims description 4
- 239000000080 wetting agent Substances 0.000 claims description 4
- 239000004902 Softening Agent Substances 0.000 claims description 3
- 239000000975 dye Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 239000012169 petroleum derived wax Substances 0.000 claims description 3
- 235000019381 petroleum wax Nutrition 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 239000004034 viscosity adjusting agent Substances 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 abstract description 33
- 230000008020 evaporation Effects 0.000 abstract description 32
- 239000003112 inhibitor Substances 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 10
- 239000007921 spray Substances 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract 1
- 150000002561 ketenes Chemical class 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 description 14
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 14
- 150000002191 fatty alcohols Chemical class 0.000 description 11
- -1 polyethylene part Polymers 0.000 description 9
- 239000004094 surface-active agent Substances 0.000 description 9
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical group FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 8
- 239000004568 cement Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 7
- WTLBZVNBAKMVDP-UHFFFAOYSA-N tris(2-butoxyethyl) phosphate Chemical group CCCCOCCOP(=O)(OCCOCCCC)OCCOCCCC WTLBZVNBAKMVDP-UHFFFAOYSA-N 0.000 description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 4
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 4
- 229960005215 dichloroacetic acid Drugs 0.000 description 4
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229940055577 oleyl alcohol Drugs 0.000 description 4
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 159000000000 sodium salts Chemical class 0.000 description 4
- LUPNKHXLFSSUGS-UHFFFAOYSA-M sodium;2,2-dichloroacetate Chemical compound [Na+].[O-]C(=O)C(Cl)Cl LUPNKHXLFSSUGS-UHFFFAOYSA-M 0.000 description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 3
- 239000005642 Oleic acid Substances 0.000 description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 description 2
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- 241000779819 Syncarpia glomulifera Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- NSFKBZXCXCJZDQ-UHFFFAOYSA-N cumene;sodium Chemical compound [Na].CC(C)C1=CC=CC=C1 NSFKBZXCXCJZDQ-UHFFFAOYSA-N 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 229930182478 glucoside Natural products 0.000 description 2
- 229930182470 glycoside Natural products 0.000 description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001739 pinus spp. Substances 0.000 description 2
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 2
- 229940036248 turpentine Drugs 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 206010009866 Cold sweat Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 239000004141 Sodium laurylsulphate Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- 150000003818 basic metals Chemical class 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000004203 carnauba wax Substances 0.000 description 1
- 235000013869 carnauba wax Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000012176 shellac wax Substances 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 239000012178 vegetable wax Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
A water evaporating inhibitor for plastic concrete is prepared in the following proportion by weight by the following raw materials: 10-50% wax or the wax-mixture; 2-35% non-ionic and/or anionic emulsifier; 19.5-81% water and/or organic solvent made up of hydrocarbons or esters or ketenes with boiling point at 60-320 Deg C; 0-16% auxiliary agent. Spray said substance to the surface of plastic concrete without initial setting which could decreases the evaporation of water on the surface of said concrete. The application of said invention is not affected by construction yard, element shape and position with convenient construction, which could not only guarantee engineering quality, but also save labor force, water, improve construction conditions, accelerate job progress with no change to the strength, abradability and durability of concrete. The surface bonding property is not affected by re-handling on surface. It also deduces or eliminates plastic constriction cracking on the concrete surface and raised shell phenomenon caused by heavy wind.
Description
Technical field
The present invention relates to concrete field, particularly a kind of aqueous dispersion of the content of wax or the self-emulsifying solution in organic solvent are sprayed at the plastic concrete surface to reduce the moisture steaming blocking agent for plastic concrete of moisture evaporation with the form of lower concentration.
Background technology
In the process of concrete site operation, usually run into the quick-drying situation of concrete surface, for example plateau concrete and/or envrionment temperature height, humidity is low, high wind speed, the sunlight direct projection, the cold and inner concrete that produces huge heat of ambient temperature, concrete that big area paves (airstrip) or the like.In these cases, the water vaporator rate of concrete surface is higher than concrete bleeding speed, the easy plastic shrinkage cracking of concrete surface, crusts, is clamminess, and is spongy structure below the surface.Strong wind one blows, and serious " playing ash " phenomenon also occurs.Even more serious situation is that concrete surface is dry rapidly, wipes one's face and also can't carry out, and seriously has influence on construction progress and construction quality.Therefore, how to reduce the moisture evaporation of concrete surface, the plastic state that keeps concrete surface is the problem of having to solve in some construction, if replenish the moisture that too much evaporates in the watering of plastic concrete surface, can cause the water cement ratio of concrete surface to increase, cause that concrete surface construction is loose, intensity is on the low side causes concrete surface to play powder.If litter bag, plastics film keeps the plasticity of concrete surface, be easy at concrete surface paintedly, destroy concrete surface.And aforesaid method is time-consuming, take a lot of work, and serious waste of resources, effect are often not good.
Summary of the invention
Of the present invention will the solution is exactly the quick-drying problem of concrete surface in the engineering, a kind of saving of labor is provided, saves time, water saving, plastic concrete with low cost surface evaporation inhibitor.
The present invention is formulated by following weight ratio by following raw materials according:
10～50% the wax or the mixture of wax; 2～35% nonionic and/or anionic emulsifier; 19.5～81% water and/or be the organic solvent that 60-320 ℃ hydrocarbon or ester or ketone are formed by boiling point; 0～16% auxiliary agent.
Described auxiliary agent comprises film coalescence aid, flow agent, softening agent, wetting agent, hydrotropic agent, pigment or dyestuff, the amine of viscosity modifier, Foam Control, sanitas and neutralization usefulness or in the alkali one or more, auxiliary agent can any weight ratio mixing during for more than one.
Also can any mixed when aforementioned nonionic and anionic emulsifier use simultaneously.
Each composition of the present invention has following two preferable weight proportions:
(1) 15～40% paraffin or fusing point are the mixture of 35 to 80 ℃ paraffin; 6～20% nonionic and/or anionic emulsifier; 35～81% water and/or be a kind of of the organic solvent formed of 60-320 ℃ hydrocarbon or ester or ketone by boiling point; 0～6.5% auxiliary agent.
The better weight proportion of aforementioned each constitutive material is:
15～40% paraffin or be that mixture or the fusing point that 35-70 ℃ paraffin is formed is 50～90 ℃ of mixtures that microcrystalline wax is arranged by fusing point, wherein the ratio of paraffin in mixture is at least 30%; The nonionic emulsifying agent of 6～20% (being preferably 6～14%), wherein nonionic emulsifying agent accounts for 50% of this emulsifying agent at least; 35～81% water; 0～8% dimethylbenzene or pimelinketone or boiling point are the ester that 145 to 210 ℃ gasoline fraction or boiling point are 70 to 320 ℃; 0～2% hydrotropic agent.
Above-mentioned paraffin is C by chain length basically
20-C
40Straight chain hydrocarbon is formed, and its molecular-weight average is 280～560.The zero pour of such paraffin is 30～70 ℃.In order to guarantee under higher air themperature, also to reach the effect that suppresses evaporation, the different paraffin of zero pour is used in combination with Microcrystalline Wax, as is used in combination then that the content of paraffin must account for 30% of total blended wax at least.
Microcrystalline Wax mainly is made up of the naphthenic hydrocarbon of band side chain, contains isoparaffin and a small amount of other fat and aromatic hydrocarbon in addition.All single components all contain 30～60 carbon atoms in the molecule, and the molecular-weight average of wax is 580～700, and zero pour is 40～70 ℃.
(2) 15～50% the acid number that contains is the wax mixture that the wax of 10 to 95mgKOH/g waxes is formed; 6～20% nonionic and/or anionic emulsifier; 19.5～81% water and/or be a kind of of the organic solvent formed of 70～280 ℃ hydrocarbon or ester or ketone by boiling point; 0～5.0% amine or alkali.
Above-mentioned 15～50% to contain acid number be the wax mixture formed of the wax of 10 to 95mgKOH/g waxes by natural or synthetic paraffin or microcrystalline wax and dropping point is that 95～140 ℃ oxidized polyethlene wax or zero pour are that 60～90 ℃ and acid number are that the oxidized petroleum wax of 10～95mgKOH/g wax or the wax that contains ester bond mix by arbitrary proportion.Specific requirement to each composition is as follows:
A. natural or synthetic paraffin or microcrystalline wax are in its zero pour is identical with described scope in the optimal components ratio 1.For example, the synthetic wax that makes of the paraffin, the little paraffin in the petroleum residue or the Fischer-Tropsch synthesis that obtain of ceresine, petroleum spirit gold-plating.
B. dropping point is 95～140 ℃ a oxidized polyethlene wax, and as the wax that is obtained by the oxidation of polyethylene part, its acid number preferably should be at 10～70mgKOH/g wax.
C. zero pour is that 60～90 ℃ and acid number are the oxidized petroleum wax of 10～95mgKOH/g wax, and it is still made by the paraffin partial oxidation.
D. the wax that contains ester bond preferably should be taken from natural resources.For example former ceresine or refined ceresine, vegetable wax, as carnauba wax, or insect wax, as shellac wax.The dropping point of these ester type waxes is 75～100 ℃.With acid number is that the non-saponification form of 10～95mgKOH/g wax exists.
Emulsifying agent of the present invention is nonionogenic tenside or surfactant mixture.The for example sorbitan ester of available higher fatty acid and chain alkyl glycosides and olefin oxide and senior straight chain list function and multifunctional alcohol, alkylphenol, long-chain carboxylic acid, carboxylic acid amides and C
10～C
21The hydroxy fatty acid affixture and with the affixture of fatty glycerine or sorbitan ester and chain alkyl glycosides.Preferably adopt affixture and the oxyethane and the C of the particularly primary alconol of 2～50ml oxyethane and long-chain
12～C
18The affixture of lipid acid, or the mixture of above-mentioned affixture arbitrary proportion.
These dispersion systems further stable can replace the part nonionic emulsifying agent by anionic emulsifier and obtain.The anionic emulsifier that is fit to has long chain alkyl sulfates, sulfonate and the phosphoric acid partial ester of basic metal, ammonium, amine and alkaline-earth metal.
Emulsifying agent total amount used in the present invention is 2～35% of an evaporation suppressor total amount, is preferably 4～14%.If contain anionic emulsifier, its content preferably is at least 1% of evaporation suppressor solid amount, and the content of nonionic emulsifying agent is at least 50% of emulsifying agent total amount.
Of the present invention 0～16% auxiliary agent comprises film coalescence aid, flow agent, softening agent, wetting agent, hydrotropic agent, pigment or dyestuff, the amine of viscosity modifier, Foam Control, sanitas and neutralization usefulness or in the alkali one or more, auxiliary agent can any weight ratio mixing during for more than one.The hydrotropic agent non-surface active salt of aromatic sulphonic acid preferably wherein, film coalescence aid is preferably diethylene glycol monobutyl ether, dipropylene glycol methyl ether, ethylene glycol phenyl ether, propylene glycol phenylate or its mixture, flow agent is a tributoxyethyl phosphate, and wetting agent is a fluorocarbon surfactant.
The present invention can be used as the form existence that is dissolved in organic solvent by wax and emulsifier component.Such solution is stable to temperature, and can store.When the spraying mixture that transfers to working concentration with water stirs the formation dispersion, under normal operational condition, has higher thermostability.
But, preferably use the condensed water dispersion system of all kinds of evaporation suppressors, because like this can be solvent-free or be diluted with water to suitable concentration when lacking solvent easily.For the better suited method of high boiling point wax mixture is that fused wax mixture and emulsifying agent and organic solvent (but also organic solvent-free) are mixed and be in the same place, and mixes with the water that is heated to 50 to 100 ℃, then cooling fast again.This dispersion has good temperature and stability in storage, and it also can be used in hot environment.
The big area spraying mixture can be used superfine spraying with aircraft, but then can adopt the portable device that maybe can move to spray to less area.
Because the mixture of wax wherein is particularly suitable for concrete application conditions, the present invention is effective especially for the moisture evaporation that reduces the plastic concrete surface.
The present invention mixes the plastic concrete surface that is sprayed at not initial set with the lower concentration method with the aqueous dispersion of the content of wax or the self-emulsifying liquid form in organic solvent and with other auxiliary agent, to reach the effect that reduces the concrete surface moisture evaporation.This method is not subjected to the restriction at workyard, member shape and position, and easy construction can guarantee construction quality, can save the labor force again, water saving improves execution conditions, thereby speed up the work for follow-up construction working provides working face early, have techno-economic effect preferably.In addition, use of the present invention is except because the raising of the rapid evaporation of control moisture and the total quality that produces, concrete strength (early stage and later stage), and wear resistance and weather resistance do not change.For situation about handling once more on the upper layer, the surface bonding performance is unaffected.And in most of the cases can reduce or eliminate the plastic shrinkage cracking of concrete surface and because of the big wind-induced concrete surface phenomenon of flaking.And this method was not being appeared in the newspapers in the document in the past, at home also not the someone use.
The present invention uses in the process of concrete coating, and in order to keep the plastic state of concrete surface, this operation will be prior to concrete maintenance operation, and therefore, the present invention is not a kind of concrete pouring product, but a kind of concrete coating auxiliary agent.
Description of drawings
Fig. 1 is the embodiment of the invention 1 at evaporation curve under the legend condition and comparison diagram with blank test block evaporation curve under the condition.
Embodiment
Embodiment 1
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is:
Water 60.8%
Paraffin, fusing point: 56 ℃ of (GB/T2539) 25%
The fatty alcohol C of 2mol oxyethane addition
12-C
182.5%
The stearyl alcohol 3% of 15mol oxyethane addition
Sulfonated petro-leum, sodium salt 2.7%
Fluorocarbon surfactant (1% weight) (Zonyl Fsp, E.I.Du Pont Company makes) 1.0%
Ethylene glycol phenyl ether 3.5%
Tributoxyethyl phosphate 1.5%
Embodiment 2
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is:
Water 52.5%
Paraffin, fusing point: 50-52 ℃ of (GB/T2539) 15%
Microcrystalline wax, fusing point: 67-72 ℃ of (GB/T8026) 15%
Oleyl alcohol/the hexadecanol 6% of 20mol oxyethane addition
The stearyl alcohol 3% of 15mol oxyethane addition
Sodium dodecylbenzene sulfonate 1.5%
Fluorocarbon surfactant (1% weight) (Zonyl Fsp, E.I.Du Pont Company makes) 1.0%
Diethylene glycol monomethyl ether 4.5%
Tributoxyethyl phosphate 1.5%
Embodiment 3
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is:
Water 54.5%
Paraffin, fusing point: 30-35 ℃ 15%
Oxidized polyethlene wax, fusing point: 100～105 ℃, acid number: 23～28 10%
The fatty alcohol C of 12mol oxyethane addition
12-C
1810%
Cumene sodium sulfonate 2.0%
Octanol vitriol 2.5%
Diethylene glycol monomethyl ether 2.5%
Propylene glycol phenylate 3.5%
Embodiment 4
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is:
Water 48%
Paraffin, fusing point: 50-54 ℃ of (GB/T2539) 12%
Oxidized polyethlene wax, fusing point: 108-110 ℃, acid number: 20-30 20%
The oleic acid 10% of 15mol oxyethane addition
The coconut oleyl alcohol 5% of 2mol oxyethane addition
Diethanolamine 0.5%
Sulfonated petro-leum, sodium salt 1.5%
Fluorocarbon surfactant (1% weight) (Zonyl Fsp, E.I.Du Pont Company makes) 1.5%
Tributoxyethyl phosphate 1.5%
Embodiment 5
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is:
Dimethylbenzene 62%
Paraffin, fusing point: 56 ℃ of (GB/T2539) 10%
Oxidized polyethlene wax, fusing point: 108-110 ℃, acid number: 20-30 10%
The fatty alcohol C of 2mol oxyethane addition
12-C
188%
The fatty alcohol C of 2mol propylene oxide and the addition of 11mol oxyethane
16-C
186.5%
Sodium lauryl sulphate 2.5%
Fluorocarbon surfactant (1% weight) 1.0%
Embodiment 6
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is:
Water 63.0%
Paraffin, fusing point: 56-60 ℃ of (GB/T2539) 10%
Ceresine, fusing point: 82-88 ℃, acid number 20～25 3%
Dodecyl glucosides 6.5%
The stearyl alcohol 10% of 15mol oxyethane addition
Diethanolamine 0.5%
Fluorocarbon surfactant (1% weight) 1.0%
Diethylene glycol monomethyl ether 2.5%
Dipropylene glycol methyl ether 2.5%
Tributoxyethyl phosphate 1.0%
Embodiment 7
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is:
Water 59.7%
Paraffin, fusing point: 50-52 ℃ of (GB/T2539) 25%
Oxidized polyethlene wax, fusing point: 108-110 ℃, acid number: 20-30 2.5%
The oleyl alcohol 3% of 2mol oxyethane addition
The fatty alcohol C of 6mol oxyethane addition
12-C
143.5%
The stearyl alcohol 2.5% of 12mol oxyethane addition
C
16-C
18Alkylsulfonate, sodium salt 2.0%
Diethanolamine 0.1%
Cumene sodium sulfonate 1.5%
Sanitas 0.2%
Embodiment 8
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is:
Water 56%
Paraffin, fusing point: 56-60 ℃ of (GB/T2539) 30%
The stearyl alcohol 8% of 6mol oxyethane addition
The stearyl alcohol 2% of 12mol oxyethane addition
Fatty alcohol-ether sodium phosphate (the C of 10mol oxyethane addition
12-C
18) 3%
Tributoxyethyl phosphate 1.0%
Embodiment 9
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is:
Dimethylbenzene 55.0%
Paraffin, fusing point: 40-42 ℃ of (GB/T2539) 30%
The oleic acid 8% of 15mol oxyethane addition
Sulfonated petro-leum, sodium salt 7%
Embodiment 10
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is:
Water 55%
Paraffin, fusing point: 40-42 ℃ 35%
Oleyl alcohol/the hexadecanol 10% of 5mol oxyethane addition
Embodiment 11
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is
Water 55.5%
Paraffin, fusing point: 30-35 ℃ 15%
Polyethylene wax, fusing point: 108-110 ℃, acid number: 25-30 16%
The fatty alcohol C of 2mol oxyethane addition
12-C
183.5%
The fatty alcohol C of 3mol propylene oxide and the addition of 10mol oxyethane
16-C
186.5%
Diethanolamine 2.5%
Fluorocarbon surfactant (1% weight) 1.0%
Embodiment 12
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is
Water 54.5%
Mineral turpentine boiling point 180-210 ℃ 4.0%
Paraffin, fusing point: 56-60 ℃ of (GB/T2539) 25%
Dodecyl glucosides 6.5%
The Fatty Alcohol(C12-C14 and C12-C18) 5.0% of 6mol oxyethane addition
The stearyl alcohol 3.0% of 12mol oxyethane addition
Fluorocarbon surfactant (1% weight) 1.0%
Tributoxyethyl phosphate 1.0%
Embodiment 13
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is
Mineral turpentine boiling point 145-200 ℃ 62%
Paraffin, fusing point: 38-40 ℃ 20%
The oleic acid 8% of 8mol oxyethane addition
Sodium dodecylbenzene sulfonate 7.5%
Diethylene glycol monomethyl ether 2.5%
Embodiment 14
A kind of translucent aqueous emulsion type plastic concrete water evaporation suppressor, the prescription of this inhibitor is
Water 60.0%
Paraffin, fusing point: 56-60 ℃ of (GB/T2539) 30%
The Fatty Alcohol(C12-C14 and C12-C18) 2.0% of 2mol oxyethane addition
The Fatty Alcohol(C12-C14 and C12-C18) 6.0% of 6mol oxyethane addition
The Fatty Alcohol(C12-C14 and C12-C18) 2.0% of 15mol oxyethane addition
Below be performance situation of the present invention:
Wherein main raw material(s), concrete mix and test method
Starting material:
Cement: production capital, sun cement mill, capital sun 425R.P.II type cement
Sand: fineness modulus is 2.6 medium sand.
Stone: the Nanjing six directions is produced basalt, and crush index is 2.5%, and the grain warp is the rubble of 5-20mm.
Concrete mix:
The big stone handstone of cement sand
3.45∶6.8∶10.08∶6.72
When concrete batching, cement, sand, stone material carry out weighing by above proportioning, and amount of water is 40% to be standard with the control water cement ratio then.The concrete that the surface does not spray evaporation suppressor is called normal concrete.
Experimental technique is with reference to ASTM-C156, and four limit squares are selected in die trial for use, 300mm * 150mm suitable for reading, bottom surface 295 * 145mm, interior high 50mm, the swage of the wide 10mm in edge suitable for reading.
With the plastic concrete evaporation suppressor of above-mentioned prescription, touch face to using during this period of time between the initial set in the moulding of concrete product, in this time period, concrete still is in plastic state, will test sample and be diluted to 0.32% concentration, takes by weighing 9ml, is sprayed on 0.045m
2The test specimen surface under same envrionment conditions, relatively sprays evaporation suppressor and does not spray the evaporated quantity of water of evaporation suppressor concrete sample when initial set, calculates the ratio that reduces moisture evaporation:
| Sample | Benchmark | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Reduce vaporization losses (weight %) during initial set | / | 38.5％ | 40％ | 45％ | 53％ | 48％ | 28％ |
| Sample | Benchmark | Embodiment 7 | Embodiment 8 | Embodiment 9 | Embodiment 10 | Embodiment 11 | Embodiment 12 |
| Reduce vaporization losses (weight %) during initial set | / | 35％ | 33％ | 25％ | 41％ | 38％ | 40％ |
| Sample | Benchmark | Embodiment 13 | Embodiment 14 |
| Reduce vaporization losses (weight %) during initial set | / | 30％ | 20％ |
Experiment condition: admixture (JM-B, 13.8g), temperature (38-40 ℃), relative humidity (33-35%), wind speed (5m/s).
Claims (13)
1, a kind of moisture steaming blocking agent for plastic concrete is characterized in that by following raw materials according formulated by following weight ratio:
10～50% the wax or the mixture of wax; 2～35% nonionic and/or anionic emulsifier; 19.5～81% water and/or be the organic solvent that 60-320 ℃ hydrocarbon or ester or ketone are formed by boiling point; 0～16% auxiliary agent.
2, moisture steaming blocking agent for plastic concrete as claimed in claim 1, it is characterized in that described auxiliary agent comprises film coalescence aid, flow agent, softening agent, wetting agent, hydrotropic agent, pigment or dyestuff, the amine of viscosity modifier, Foam Control, sanitas and neutralization usefulness or in the alkali one or more, auxiliary agent can any weight ratio mixing during for more than one.
3, moisture steaming blocking agent for plastic concrete as claimed in claim 1, the content that it is characterized in that described emulsifying agent is 4～14%.
4, moisture steaming blocking agent for plastic concrete as claimed in claim 1, when it is characterized in that described emulsifying agent contains anionic emulsifier, its content is at least 1% of emulsifying agent total amount, and the content of nonionic emulsifying agent is at least 50% of emulsifying agent total amount.
5, as any described moisture steaming blocking agent for plastic concrete of claim 1 to 4, it is characterized in that the weight ratio of each constitutive material is:
15～40% paraffin or fusing point are the mixture of 35 to 80 ℃ paraffin; 4～20% nonionic and/or anionic emulsifier; 35～81% water and/or be a kind of of the organic solvent formed of 60-320 ℃ hydrocarbon or ester or ketone by boiling point; 0～10% auxiliary agent.
6,, it is characterized in that described paraffin is C by chain length basically as any described moisture steaming blocking agent for plastic concrete of claim 5
20-C
40Straight chain hydrocarbon is formed, and its molecular-weight average is 280～560, and its zero pour is 30～70 ℃.
7, moisture steaming blocking agent for plastic concrete as claimed in claim 5 is characterized in that the weight ratio of each constitutive material is:
15～40% paraffin or be that mixture or the fusing point that 35-70 ℃ paraffin is formed is 50～90 ℃ of mixtures that microcrystalline wax is arranged by fusing point, wherein the ratio of paraffin in mixture is at least 30%; 4～20% nonionic emulsifying agent, wherein nonionic emulsifying agent accounts for 50% of this emulsifying agent at least; 35～81% water; 0～8% dimethylbenzene or pimelinketone or boiling point are the ester that 145 to 210 ℃ gasoline fraction or boiling point are 70 to 320 ℃; 0～2% hydrotropic agent.
8, moisture steaming blocking agent for plastic concrete as claimed in claim 7 is characterized in that all single components all contain 30～60 carbon atoms in the Microcrystalline Wax molecule, and the molecular-weight average of wax is 580～700, and zero pour is 40～70 ℃.
9, moisture steaming blocking agent for plastic concrete as claimed in claim 7 is characterized in that the weight ratio of nonionic emulsifying agent is preferably 6～14%.
10, as any described moisture steaming blocking agent for plastic concrete of claim 1 to 4, it is characterized in that the weight ratio of each constitutive material is:
15～50% the acid number that contains is the wax mixture that the wax of 10 to 95mgKOH/g waxes is formed; 6～20% nonionic and/or anionic emulsifier; 19.5～81% water and/or be a kind of of the organic solvent formed of 70-280 ℃ hydrocarbon or ester or ketone by boiling point; 0～11.5% auxiliary agent.
11, moisture steaming blocking agent for plastic concrete as claimed in claim 10, it is characterized in that described 15～50% to contain acid number be the wax mixture formed of the wax of 10 to 95mgKOH/g waxes by natural or synthetic paraffin or microcrystalline wax and dropping point is that 95～140 ℃ oxidized polyethlene wax or zero pour are that 60～90 ℃ and acid number are that the oxidized petroleum wax of 10～95mgKOH/g wax or the wax that contains ester bond mix.
12, moisture steaming blocking agent for plastic concrete as claimed in claim 11 is characterized in that described natural or synthetic paraffin is meant that the paraffin of single fusing point or fusing point are the mixture of 35 to 80 ℃ paraffin.
13, moisture steaming blocking agent for plastic concrete as claimed in claim 11 is characterized in that described dropping point is that the acid number of 95～140 ℃ oxidized polyethlene wax preferably should be at 10～70mgKOH/g wax.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610037671 CN1800074A (en) | 2006-01-09 | 2006-01-09 | Moisture steaming blocking agent for plastic concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610037671 CN1800074A (en) | 2006-01-09 | 2006-01-09 | Moisture steaming blocking agent for plastic concrete |
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|---|---|
| CN1800074A true CN1800074A (en) | 2006-07-12 |
Family
ID=36810336
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610037671 Pending CN1800074A (en) | 2006-01-09 | 2006-01-09 | Moisture steaming blocking agent for plastic concrete |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805145A (en) * | 2010-03-12 | 2010-08-18 | 江苏省建筑科学研究院有限公司 | Plastic concrete water evaporation inhibitor and preparation method thereof |
| CN102300634A (en) * | 2008-12-22 | 2011-12-28 | 聚合物Crc有限公司 | Method for controlling water evaporation |
| CN101235267B (en) * | 2007-01-31 | 2012-08-01 | 天津科技大学 | Method for preparing heterogeneous water evaporation inhibitor |
| CN104261872A (en) * | 2014-09-19 | 2015-01-07 | 中建商品混凝土有限公司 | Composite concrete water evaporation inhibitor and application method thereof |
| CN105298133A (en) * | 2015-10-13 | 2016-02-03 | 悉地（苏州）勘察设计顾问有限公司 | Construction method to strengthen crack resistance of large-volume concrete baseplate |
| CN108658524A (en) * | 2018-05-25 | 2018-10-16 | 海南广胜新型建材有限公司 | A kind of steam pressurized brick and preparation method thereof |
| CN109020406A (en) * | 2018-09-29 | 2018-12-18 | 北京高能时代环境技术股份有限公司 | A kind of plastic concrete and preparation method thereof of anti-inorganic salts |
| CN110963819A (en) * | 2018-09-29 | 2020-04-07 | 镇江苏博特新材料有限公司 | Preparation method of concrete water evaporation inhibitor with core-shell structure |
-
2006
- 2006-01-09 CN CN 200610037671 patent/CN1800074A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235267B (en) * | 2007-01-31 | 2012-08-01 | 天津科技大学 | Method for preparing heterogeneous water evaporation inhibitor |
| CN102300634A (en) * | 2008-12-22 | 2011-12-28 | 聚合物Crc有限公司 | Method for controlling water evaporation |
| CN101805145A (en) * | 2010-03-12 | 2010-08-18 | 江苏省建筑科学研究院有限公司 | Plastic concrete water evaporation inhibitor and preparation method thereof |
| CN101805145B (en) * | 2010-03-12 | 2012-11-21 | 江苏省建筑科学研究院有限公司 | Plastic concrete water evaporation inhibitor and preparation method thereof |
| CN104261872A (en) * | 2014-09-19 | 2015-01-07 | 中建商品混凝土有限公司 | Composite concrete water evaporation inhibitor and application method thereof |
| CN104261872B (en) * | 2014-09-19 | 2016-03-09 | 中建商品混凝土有限公司 | A kind of compound concrete water evaporation inhibitor and application method thereof |
| CN105298133A (en) * | 2015-10-13 | 2016-02-03 | 悉地（苏州）勘察设计顾问有限公司 | Construction method to strengthen crack resistance of large-volume concrete baseplate |
| CN108658524A (en) * | 2018-05-25 | 2018-10-16 | 海南广胜新型建材有限公司 | A kind of steam pressurized brick and preparation method thereof |
| CN109020406A (en) * | 2018-09-29 | 2018-12-18 | 北京高能时代环境技术股份有限公司 | A kind of plastic concrete and preparation method thereof of anti-inorganic salts |
| CN110963819A (en) * | 2018-09-29 | 2020-04-07 | 镇江苏博特新材料有限公司 | Preparation method of concrete water evaporation inhibitor with core-shell structure |
| CN110963819B (en) * | 2018-09-29 | 2021-12-17 | 镇江苏博特新材料有限公司 | Preparation method of concrete water evaporation inhibitor with core-shell structure |
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