CN107827386A - Cement-based gelling material early-strength composition dispersant - Google Patents
Cement-based gelling material early-strength composition dispersant Download PDFInfo
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- CN107827386A CN107827386A CN201711160564.1A CN201711160564A CN107827386A CN 107827386 A CN107827386 A CN 107827386A CN 201711160564 A CN201711160564 A CN 201711160564A CN 107827386 A CN107827386 A CN 107827386A
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- sulfate
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- acid
- water
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- 239000000203 mixture Substances 0.000 title claims abstract description 66
- 239000004568 cement Substances 0.000 title claims abstract description 37
- 239000002270 dispersing agent Substances 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 50
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 27
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 22
- 229920006317 cationic polymer Polymers 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 239000002738 chelating agent Substances 0.000 claims abstract description 18
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 18
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 17
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims abstract description 14
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 14
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 14
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 14
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 14
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 10
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethyl mercaptane Natural products CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 150000007522 mineralic acids Chemical class 0.000 claims abstract description 9
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 9
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000008139 complexing agent Substances 0.000 claims abstract description 7
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 5
- 229920000570 polyether Polymers 0.000 claims abstract description 5
- 150000001768 cations Chemical class 0.000 claims abstract 2
- 239000000178 monomer Substances 0.000 claims description 45
- 238000002360 preparation method Methods 0.000 claims description 40
- 239000003999 initiator Substances 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 28
- -1 quaternary ammonium salt cation Chemical class 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 26
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical compound [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 14
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 13
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 10
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 9
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 claims description 9
- 238000000265 homogenisation Methods 0.000 claims description 8
- 239000012452 mother liquor Substances 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 claims description 8
- KOUDKOMXLMXFKX-UHFFFAOYSA-N sodium oxido(oxo)phosphanium hydrate Chemical compound O.[Na+].[O-][PH+]=O KOUDKOMXLMXFKX-UHFFFAOYSA-N 0.000 claims description 8
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims description 6
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 5
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 5
- LOGBRYZYTBQBTB-UHFFFAOYSA-N butane-1,2,4-tricarboxylic acid Chemical compound OC(=O)CCC(C(O)=O)CC(O)=O LOGBRYZYTBQBTB-UHFFFAOYSA-N 0.000 claims description 5
- 125000002091 cationic group Chemical group 0.000 claims description 5
- DUYCTCQXNHFCSJ-UHFFFAOYSA-N dtpmp Chemical compound OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)(O)=O DUYCTCQXNHFCSJ-UHFFFAOYSA-N 0.000 claims description 5
- GCSJLQSCSDMKTP-UHFFFAOYSA-N ethenyl(trimethyl)silane Chemical compound C[Si](C)(C)C=C GCSJLQSCSDMKTP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 5
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 5
- 239000001488 sodium phosphate Substances 0.000 claims description 5
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 5
- ZAWGLAXBGYSUHN-UHFFFAOYSA-M sodium;2-[bis(carboxymethyl)amino]acetate Chemical compound [Na+].OC(=O)CN(CC(O)=O)CC([O-])=O ZAWGLAXBGYSUHN-UHFFFAOYSA-M 0.000 claims description 5
- YIEDHPBKGZGLIK-UHFFFAOYSA-L tetrakis(hydroxymethyl)phosphanium;sulfate Chemical compound [O-]S([O-])(=O)=O.OC[P+](CO)(CO)CO.OC[P+](CO)(CO)CO YIEDHPBKGZGLIK-UHFFFAOYSA-L 0.000 claims description 5
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 5
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 5
- 229960001763 zinc sulfate Drugs 0.000 claims description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 5
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229940090960 diethylenetriamine pentamethylene phosphonic acid Drugs 0.000 claims description 4
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 claims description 4
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 claims description 3
- 229940120146 EDTMP Drugs 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 3
- LMHAGAHDHRQIMB-UHFFFAOYSA-N 1,2-dichloro-1,2,3,3,4,4-hexafluorocyclobutane Chemical compound FC1(F)C(F)(F)C(F)(Cl)C1(F)Cl LMHAGAHDHRQIMB-UHFFFAOYSA-N 0.000 claims description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- QILXPCHTWXAUHE-UHFFFAOYSA-N [Na].NCCN Chemical compound [Na].NCCN QILXPCHTWXAUHE-UHFFFAOYSA-N 0.000 claims description 2
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims description 2
- 229960004106 citric acid Drugs 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims description 2
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 claims description 2
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 2
- 229940099596 manganese sulfate Drugs 0.000 claims description 2
- 239000011702 manganese sulphate Substances 0.000 claims description 2
- 235000007079 manganese sulphate Nutrition 0.000 claims description 2
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 229920000141 poly(maleic anhydride) Polymers 0.000 claims description 2
- 235000010413 sodium alginate Nutrition 0.000 claims description 2
- 239000000661 sodium alginate Substances 0.000 claims description 2
- 229940005550 sodium alginate Drugs 0.000 claims description 2
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 2
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 229960001367 tartaric acid Drugs 0.000 claims description 2
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 2
- QNGKYCHYJNOIFK-UHFFFAOYSA-M tributyl-[(4-ethenylphenyl)methyl]phosphanium;chloride Chemical compound [Cl-].CCCC[P+](CCCC)(CCCC)CC1=CC=C(C=C)C=C1 QNGKYCHYJNOIFK-UHFFFAOYSA-M 0.000 claims description 2
- KIDJHPQACZGFTI-UHFFFAOYSA-N [6-[bis(phosphonomethyl)amino]hexyl-(phosphonomethyl)amino]methylphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCCCCCN(CP(O)(O)=O)CP(O)(O)=O KIDJHPQACZGFTI-UHFFFAOYSA-N 0.000 claims 1
- 230000003301 hydrolyzing effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052742 iron Inorganic materials 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract 1
- 229910000077 silane Inorganic materials 0.000 abstract 1
- XUIVKWAWICCWIQ-UHFFFAOYSA-M sodium;formaldehyde;hydrogen sulfite Chemical compound [Na+].O=C.OS([O-])=O XUIVKWAWICCWIQ-UHFFFAOYSA-M 0.000 abstract 1
- NCPXQVVMIXIKTN-UHFFFAOYSA-N trisodium;phosphite Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])[O-] NCPXQVVMIXIKTN-UHFFFAOYSA-N 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 56
- 230000036571 hydration Effects 0.000 description 16
- 238000006703 hydration reaction Methods 0.000 description 16
- 239000004567 concrete Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 11
- 239000011575 calcium Substances 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 10
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 9
- 229910052791 calcium Inorganic materials 0.000 description 9
- 239000011265 semifinished product Substances 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229910001653 ettringite Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- FZGFBJMPSHGTRQ-UHFFFAOYSA-M trimethyl(2-prop-2-enoyloxyethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCOC(=O)C=C FZGFBJMPSHGTRQ-UHFFFAOYSA-M 0.000 description 2
- RRHXZLALVWBDKH-UHFFFAOYSA-M trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)OCC[N+](C)(C)C RRHXZLALVWBDKH-UHFFFAOYSA-M 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- CKKKPDYESBXSBJ-UHFFFAOYSA-N 2-methyloctadecan-2-yl prop-2-enoate Chemical compound C(C=C)(=O)OC(C)(CCCCCCCCCCCCCCCC)C CKKKPDYESBXSBJ-UHFFFAOYSA-N 0.000 description 1
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 description 1
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- 229910019142 PO4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
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- 230000001133 acceleration Effects 0.000 description 1
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- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
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- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
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- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
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- 230000008025 crystallization Effects 0.000 description 1
- PCHPORCSPXIHLZ-UHFFFAOYSA-N diphenhydramine hydrochloride Chemical compound [Cl-].C=1C=CC=CC=1C(OCC[NH+](C)C)C1=CC=CC=C1 PCHPORCSPXIHLZ-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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- BEGBSFPALGFMJI-UHFFFAOYSA-N ethene;sodium Chemical group [Na].C=C BEGBSFPALGFMJI-UHFFFAOYSA-N 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
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- 239000010881 fly ash Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000004209 oxidized polyethylene wax Substances 0.000 description 1
- 235000013873 oxidized polyethylene wax Nutrition 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000011380 pervious concrete Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
- C08F283/065—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals on to unsaturated polyethers, polyoxymethylenes or polyacetals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/40—Surface-active agents, dispersants
- C04B2103/408—Dispersants
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention discloses a kind of cement-based gelling material early-strength composition dispersant, and the dispersant is mixed by following components in percentage by weight：Alkanolamine iron aluminium complex 10 15%, cationic polymer 2 7%, metal ion chelation agent 0.5 2.0%, metal sulfate 15 25%, surplus is water；Alkanolamine iron aluminium complex is synthesized by inorganic acid, complexing agent, ferrous sulfate, aluminum sulfate, alkanolamine in composition, and cationic polymer is synthesized by polyether macromonomer, cation minor comonomer, acrylamide, silane coupler containing double bond, mercaptoethanol, hydrogen peroxide, ammonium persulfate, sodium bisulphite formaldehyde, a waterside sodium phosphite, liquid caustic soda.Early-strength type composition dispersant is in the case of compared with low-dosage, on the premise of cement-based gelling material work mobile performance is had substantially no effect on, can significantly improve the early strength of cement-based gelling material.
Description
Technical Field
The invention belongs to the technical field of concrete admixtures, relates to the technical field of cement-based cementing material chemical industry, and particularly relates to an early-strength composition dispersing agent for a cement-based cementing material, which is used for engineering or winter construction with high requirement on early strength.
Background
At present, in major projects, such as high-speed rail, subway, maritime work, bridge, water conservancy, hydraulic engineering and other projects, the early strength of concrete needs to be improved to accelerate the project progress or meet the project requirements, methods of reducing the water-cement ratio, improving the cement consumption, adding a compound early strength water reducing agent and the like are generally adopted, and the method can greatly increase the volume instability and the cracking risk probability of the concrete. The traditional early strength component contains more chloride and sulfate, inorganic salts can aggravate alkali-aggregate reaction and steel bar corrosion, and organic alcamines are expensive and easily overlapped with grinding aids due to too large mixing amount, so that air entraining is increased and strength is low.
At present, the development of the cement early strength agent has no breakthrough, inorganic and organic matters mostly singly improve the early strength of the cement, the strength of the hardened cement is improved to a limited extent or the early strength is protected by sacrificing the later period, and the cement early strength agent has higher cost and complex composition. In addition, contradictions often exist in the aspects of improving the fluidity, the water retention property, the bonding strength and the compressive strength, and the development of the early-strength dispersing agent which can accelerate the early hydration of cement, improve the early strength of concrete and has no obvious influence on the working state, the later strength and the durability of concrete has been inevitable.
Patent document CN 106243289 a discloses a concrete early strength agent and a preparation method thereof; aims to provide a concrete early strength agent which has the functions of reducing water and early strength and can quickly improve the early strength of concrete after being mixed and a preparation method thereof. The concrete early strength agent is obtained by carrying out free radical polymerization on any one of methyl alkenyl polyoxyethylene ether, methacrylic acid, acrylic acid and maleic anhydride, acrylamide or maleimide and 2-methyl-2-octadecyl acrylate. The concrete early strength agent prepared by the invention has higher water reducing rate and excellent early strength performance, when the folded solid content is 0.2%, the water reducing rate can reach more than 30%, the 1d compressive strength ratio of concrete reaches more than 240%, and the 3d compressive strength ratio reaches more than 220%.
Patent document CN 106542757 a discloses a surface cementing enhancer for oil well cement, belonging to alcamines, which is composed of the following components by weight percent: 45-50% of calcium formate; 35-40% of sodium silicate; the balance of triethanolamine. The hydramine can greatly accelerate the hydration speed of cement, promote the formation of early strength of set cement, and simultaneously has no corrosion effect on a sleeve and the set cement. The early strength of the alkanolamine salt is due to the acceleration of C in cement3A can hydrate the calcium rock, accelerate the generation of the calcium rock and enable the calcium rock to be hydrated with the calcium sulphoaluminate monosulfateThe conversion speed is accelerated, the generation amount of calcium sulphoaluminate is increased, and the Ca in the liquid phase is inevitably reduced2+、A13 +Further, C in the cement can be promoted3S hydration accelerates the development of the strength of the set cement.
Patent document CN 105645824 a discloses a cement high-efficiency reinforcing agent, which is prepared from the following main raw materials in parts by weight: 0.6-0.8 part of molasses, 1.4-2.0 parts of ethylene diamine tetra (methylene) phosphate, 6.5-7.2 parts of silicon powder, 2.1-2.5 parts of cyclohexanone, 4.9-5.7 parts of urea, 2.4-2.7 parts of trioctyl trimellitate, 3.8-4.3 parts of chlorinated paraffin, 3.7-4.3 parts of dioctyl phthalate, 3.9-4.4 parts of dibutyl phthalate, 2.6-3.0 parts of sodium thiosulfate, 3.2-3.5 parts of sodium hexametaphosphate, 5.4-5.8 parts of nitrilotriacetic acid, 5.8-6.4 parts of fly ash, 3.3-3.6 parts of waste lubricating oil, 4.6-5.0 parts of oxidized polyethylene wax, 4.9-5.6 parts of lignite wax and 2.2-2.5 parts of calcium stearate. The cement mortar can improve the physical and mechanical properties of cement, improve the construction efficiency, reduce ash falling and save resources.
The prior art is mostly a preparation method of cement gelled materials, and the cost performance and the action singleness of the early strength agent are one of the difficulties attempted to be solved in the prior art. According to the current situation of the simplification of the construction of the prior early strength agent component system, the invention solves the problems on the thought of widening the quantity and the dispersion degree of the rapid-hardening hydration product and greatly expands the action mechanism of the early strength agent.
Disclosure of Invention
Different from the prior art, the method abandons the idea of single or compound of an early strength agent, namely inorganic salt and organic alcohol amine, adopts iron salt, aluminum salt and alkanolamine to synthesize and form an alkanolamine iron-aluminum complex, forms an iron-containing ettringite solid solution with metal sulfate, and disperses a fast-hardening hydration product and the iron-containing ettringite solid solution by using a cationic polymer; the metal ion chelating agent and the metal sulfate are mutually restricted, and the reaction degree of the rapid-hardening hydration product is adjusted, so that the influence on the fluidity of the cement-based cementing material mixture caused by the excessive reaction and the excessive flocculation of the cement is avoided.
A preparation method of a dispersant of an early-strength composition of a cement-based cementing material is characterized in that the dispersant is prepared by mixing
The weight percentage of the components is as follows:
alkanolamine iron-aluminum complex: 10 to 15 percent;
cationic polymer: 2 to 7 percent;
metal ion chelating agent: 0.5-2.0%;
metal sulfate: 15 to 25 percent;
the balance of water; wherein,
the alkanolamine iron-aluminum complex compound is 100 parts by weight in total, and the preparation method comprises the following steps:
1) adding 1-3 parts by weight of inorganic acid, 0.2-0.8 part by weight of complexing agent, 10-20 parts by weight of ferrous sulfate, 15-25 parts by weight of aluminum sulfate and 40-60 parts by weight of water into a reaction kettle, and stirring to dissolve the inorganic acid and the complexing agent;
2) heating, controlling the temperature to be 75-95 ℃, and adding 3.5-6.5 parts of alkanolamine once after the temperature is stable;
3) preserving heat for 1-2 hours, and supplementing water until the total mass part of the solution is 100 parts after the heat preservation is finished;
the cationic polymer is prepared by the following specific preparation method, wherein the specific preparation method comprises the following steps of:
1) adding 350 parts by weight of 330-350 parts by weight of polyether macromonomer and 300 parts by weight of 150-300 parts by weight of water into a reaction kettle, and continuously stirring until the stirring solution has no obvious blocky or agglomerate material; after homogenization is completed;
2) measuring the temperature in the kettle, controlling the temperature to be 5-25 ℃, and adding 1.5-5.0 parts of hydrogen peroxide and 0.5-1.5 parts of ammonium persulfate once after the temperature is stable, wherein the mass fraction of the hydrogen peroxide is 27.5%;
3) after adding hydrogen peroxide and ammonium persulfate for 5min, sequentially dropwise adding an initiator and a small monomer solution, and after adding the initiator, dropwise adding the small monomer solution within 10min, wherein the small monomer solution is dropwise added for 2-4 hours, and the initiator is dropwise added for 1.5-2.5 hours; the initiator consists of 0.5-2.0 parts of mercaptoethanol, 0.3-1.0 part of sodium formaldehyde sulfoxylate and 100-150 parts of water, and the small monomer solution consists of 25-40 parts of cationic small monomer, 10-25 parts of acrylamide, 0.5-2.0 parts of double bond-containing silane coupling agent and 30-50 parts of water;
4) after the dropwise addition is finished, 3.0-8.0 parts of sodium hypophosphite monohydrate is added, curing is carried out for 1-2 hours, when the temperature of the reaction solution is lower than 30 ℃, 5-15 parts of liquid caustic soda is slowly added, water is supplemented until the total mass of the solution is 1000 parts, and after uniform stirring, the dispersant mother liquor with the mass fraction of 40% is obtained.
In the preparation method, the inorganic acid is one or a combination of sulfuric acid, nitric acid and phosphoric acid, and the mass ratio of the inorganic acid to the inorganic acid is preferably 1: 2 of sulfuric acid and phosphoric acid.
In the preparation method, the complexing agent is one or a combination of more of sodium pyrophosphate, citric acid, tartaric acid, sodium alginate, sodium aminotriacetate, diethylenetriamine pentacarboxylate, ethylenediamine tetramethylene sodium phosphate and hydrolyzed polymaleic anhydride, and preferably is cationic, namely one or a combination of more of sodium aminotriacetate, diethylenetriamine pentacarboxylate and ethylenediamine tetramethylene sodium phosphate.
In the preparation method, the alkanolamine is one or a composition of more of monoethanolamine, diethanolamine, diethanol monoisopropanolamine and monoethanoldiisopropanolamine, and the mass ratio of the alkanolamine to the diethanol monoisopropanolamine to the monoethanoldiisopropanolamine is preferably 1:1 diethanolamine and diethanolisopropanolamine.
In the preparation method, the polyether macromonomer is one or a combination of allyl polyoxyethylene ether and methyl allyl polyoxyethylene ether; preferably one or a combination of allyl polyoxyethylene ether and methyl allyl polyoxyethylene ether with the molecular weight of 4000.
In the preparation method, the small cationic monomer is one or two compositions of quaternary ammonium salt cationic monomer and quaternary phosphonium salt cationic monomer; wherein,
the quaternary ammonium salt cationic monomer is one of diallyl quaternary ammonium salt, acrylamide alkyl quaternary ammonium salt and acrylamide alkyl quaternary ammonium salt; preferably a cationic monomer of acryloyloxyalkyl quaternary ammonium salt; preferably one or a combination of both of methacryloyloxyethyltrimethyl ammonium chloride (DMC) and acryloyloxyethyltrimethyl ammonium chloride (DAC); preferably a DMC and DAC composition in a mass ratio of 1: 1;
the quaternary phosphonium salt cationic monomer is one or a composition of two of tetrakis (hydroxymethyl) phosphonium sulfate (THPS) and p-vinylbenzyl tributyl phosphonium chloride (VBTBPC); a composition of THPS and VBTBPC in a mass ratio of 1:1 is preferred.
In the preparation method, the double-bond-containing silane coupling agent is one or a composition of more of vinyltrimethylsilane, vinyltriethoxysilane and gamma-methacryloxypropyltrimethoxysilane; the preferable mass ratio is 1:1 of vinyltrimethylsilane and gamma-methacryloxypropyltrimethoxysilane.
In the above preparation method, the metal ion chelating agent is one or a combination of several of aminotrimethylene phosphonic acid, sodium ethylene diamine tetra methylene phosphonic acid, hydroxyethylidene diphosphonic acid, diethylenetriamine pentamethylene phosphonic acid, ethylenediamine sodium diorthohydroxyphenyl acetate, 2-phosphonic butane-1, 2, 4-tricarboxylic acid, 2-hydroxyphosphonoacetic acid, hexamethylenediamine tetramethylidene phosphonic acid and bis 1, 6-hexylidene triamine pentamethylene phosphonic acid; preferably one or a plurality of compositions of ethylene diamine tetra methylene phosphonic acid sodium, hydroxy ethylidene diphosphonic acid, ethylene diamine sodium di-o-hydroxyphenyl acetate, 2-phosphonic butane-1, 2, 4-tricarboxylic acid and bis-1, 6-hexamethylene triamine pentamethylene phosphonic acid with the iron ion chelating value > calcium ion chelating value > 290mg/g under the pH value of 11; preferably, the pH value is 11, 500mg/g < iron ion chelating value < 800mg/g, and the composition is one or more of diethylenetriamine pentamethylene phosphonic acid, 2-phosphonic acid butane-1, 2, 4-tricarboxylic acid and bis-1, 6-hexamethylene triamine pentamethylene phosphonic acid.
In the preparation method, the metal sulfate is one or a combination of more of strontium sulfate, calcium sulfate, magnesium sulfate, aluminum sulfate, manganese sulfate, zinc sulfate and ferrous sulfate; preferably one or a combination of more of aluminum sulfate, ferrous sulfate, magnesium sulfate and zinc sulfate with the solubility of more than 30g/100g at 20 ℃.
The invention has the following beneficial effects:
1) the quick hardening minerals (calcium aluminate and calcium aluminoferrite) in the cement have negative electrical property, and the calcium aluminoferrite has small heating amount, so that the whole hydration of the cement cementing material is not easy to be driven to be accelerated, the fluidity of a cement cementing material mixture is not influenced, and the metal chelate also has the same inhibiting effect. Compared with an aluminum iron salt or single chain alcohol amine, the alkanolamine iron-aluminum complex not only can pertinently adsorb the surface of the rapid hardening mineral to disperse the rapid hardening mineral, but also can transport aluminum ions and iron ions to the surface of the rapid hardening mineral, and is beneficial to the symbiosis of crosslinking hydration products and the generation and development of the gel strength.
2) The substitution of Al in the hydration products by iron, magnesium and zinc in the metal sulfate can reduce the crystallization degree of the hydration products, increase the hydration amount and the amorphous degree of the hydration products, belongs to the functions of sulfate supplementing sulfate radicals and improving calcium ion precipitation, can ensure the formation of the micro-expansive iron-containing ettringite hydration products, and avoids the shrinkage of the hydrated calcium aluminoferrite after hardening to influence the strength; the cationic polymer disperses the quick-hardening hydration product, and the micro-dispersed calcium aluminoferrite hydration product and the calcium silicate hydration product are crosslinked together, so that the early strength of the pervious concrete cementing material can be obviously improved.
Detailed Description
< example 1 >
A preparation method of a dispersant of an early-strength composition of a cement-based cementing material is disclosed, wherein the dispersant is prepared by mixing and stirring the following semi-finished products in percentage by weight:
alkanolamine iron-aluminum complex: 10 percent;
cationic polymer: 7 percent;
metal ion chelating agent: 0.5 percent;
metal sulfate: 25 percent;
the balance being water.
The metal ion chelating agent: diethylenetriamine penta (methylene phosphonic acid).
The metal sulfate is: aluminum sulfate.
The alkanolamine iron-aluminum complex is polymerized by the following components in parts by weight of 100, and the preparation method comprises the following steps:
1) mixing 2 parts of a mixture in a mass ratio of 1: 2, 0.5 part of sodium aminotriacetate, 10 parts of ferrous sulfate, 15 parts of aluminum sulfate and 50 parts of water are added into a reaction kettle and stirred to be dissolved;
2) and (3) heating, controlling the temperature to be 80 ℃, and adding 6 parts of the following components in parts by mass ratio of 1:1 of diethanolamine and diethanolisopropanolamine;
3) and preserving heat for 1 hour, and supplementing water until the total mass of the solution is 100 parts after the heat preservation is finished.
The cationic polymer is polymerized by the following components in parts by weight of 1000 parts in total, and the preparation method comprises the following steps:
1) adding 330 parts by mass of allyl polyoxyethylene ether with the molecular weight of 4000 and 150 parts by mass of water into a reaction kettle, and continuously stirring until the stirring solution has no obvious blocky or cluster material; after homogenization is completed;
2) measuring the temperature in the kettle, controlling the temperature to be 5-25 ℃, and adding 2.5 parts of hydrogen peroxide and 0.5 part of ammonium persulfate once after the temperature is stable, wherein the mass fraction of the hydrogen peroxide is 27.5%;
3) after adding hydrogen peroxide and ammonium persulfate for 5min, sequentially dropwise adding an initiator and a small monomer solution, and after adding the initiator, dropwise adding the small monomer solution within 10min, wherein the small monomer solution is dropwise added for 2-4 hours, and the initiator is dropwise added for (a +0.5) hours; the initiator consists of 1.0 part of mercaptoethanol, 0.90 part of sodium formaldehyde sulfoxylate and 120 parts of water, and the small monomer solution consists of 35 parts of a DMC and DAC composition with the mass ratio of 1:1, 15 parts of acrylamide and 1.0 part of a mixture with the mass ratio of 1:1 of vinyltrimethylsilane and gamma-methacryloxypropyltrimethoxysilane and 35 parts of water;
4) after the dropwise addition is finished, 3.0 parts of sodium hypophosphite monohydrate is added, the mixture is cured for 1 hour, 9 parts of liquid caustic soda is slowly added when the temperature of the reaction solution is lower than 30 ℃, water is added until the total mass of the solution is 1000 parts, and the dispersant mother liquor with the mass fraction of 40% is obtained after the mixture is uniformly stirred.
< example 2 >
A preparation method of a dispersant of an early-strength composition of a cement-based cementing material is disclosed, wherein the dispersant is prepared by mixing and stirring the following semi-finished products in percentage by weight:
alkanolamine iron-aluminum complex: 12 percent;
cationic polymer: 5 percent;
metal ion chelating agent: 1.0 percent;
metal sulfate: 20 percent;
the balance being water.
The metal ion chelating agent: 2-phosphonobutane-1, 2, 4-tricarboxylic acid.
The metal sulfate is: ferrous sulfate.
The alkanolamine iron-aluminum complex is polymerized by the following components in parts by weight of 100, and the preparation method comprises the following steps:
1) mixing 1 part of the following raw materials in a mass ratio of 1: 2, 0.2 part of diethylenetriamine pentacarboxylate, 10.6 parts of ferrous sulfate, 16 parts of aluminum sulfate and 45 parts of water are added into a reaction kettle and stirred to be dissolved;
2) and (3) heating, controlling the temperature to be 90 ℃, and adding 3.8 parts of the mixture in a mass ratio of 1:1 of diethanolamine and diethanolisopropanolamine;
3) preserving heat for 1.5 hours, and supplementing water until the total mass of the solution is 100 parts after the heat preservation is finished;
the cationic polymer is polymerized by the following components in parts by weight of 1000 parts in total, and the preparation method comprises the following steps:
1) adding 335 parts of allyl polyoxyethylene ether with the molecular weight of 4000 and 180 parts of water into a reaction kettle in parts by mass, and continuously stirring until the stirring solution has no obvious blocky or cluster material; after homogenization is completed;
2) measuring the temperature in the kettle, controlling the temperature to be 5-25 ℃, and adding 2.8 parts of hydrogen peroxide and 0.8 part of ammonium persulfate once after the temperature is stable, wherein the mass fraction of the hydrogen peroxide is 27.5%;
3) after adding hydrogen peroxide and ammonium persulfate for 5min, sequentially dropwise adding an initiator and a small monomer solution, and after adding the initiator, dropwise adding the small monomer solution within 10min, wherein the small monomer solution is dropwise added for 2-4 hours, and the initiator is dropwise added for (a +0.5) hours; the initiator consists of 1.2 parts of mercaptoethanol, 0.80 part of sodium formaldehyde sulfoxylate and 120 parts of water, and the small monomer solution consists of 37 parts of a DMC and DAC composition with the mass ratio of 1:1, 15 parts of acrylamide and 1.0 part of a mixture with the mass ratio of 1:1 with a composition of vinyltrimethylsilane and gamma-methacryloxypropyltrimethoxysilane and 38 parts of water;
4) after the dropwise addition is finished, 2.0 parts of sodium hypophosphite monohydrate is added, the mixture is cured for 1 hour, 8 parts of liquid caustic soda is slowly added when the temperature of the reaction solution is lower than 30 ℃, water is added until the total mass of the solution is 1000 parts, and the dispersant mother liquor with the mass fraction of 40% is obtained after the mixture is uniformly stirred.
< example 3 >
A preparation method of a dispersant of an early-strength composition of a cement-based cementing material is disclosed, wherein the dispersant is prepared by mixing and stirring the following semi-finished products in percentage by weight:
alkanolamine iron-aluminum complex: 15 percent;
cationic polymer: 2 percent;
metal ion chelating agent: 1.5 percent;
metal sulfate: 17 percent.
The balance being water.
The metal ion chelating agent: bis 1, 6-hexylidene triamine pentamethylene phosphonic acid.
The metal sulfate is: magnesium sulfate.
The alkanolamine iron-aluminum complex is polymerized by the following components in parts by weight of 100, and the preparation method comprises the following steps:
preparing an alkanolamine iron-aluminum complex characterized by: the alkanolamine iron-aluminum complex is polymerized by the following components in percentage by mass, the total mass is 100, and the preparation method specifically comprises the following steps:
1) mixing 3 parts of a mixture in a mass ratio of 1: 2, 0.8 part of ethylene diamine tetramethylene sodium phosphate, 10 parts of ferrous sulfate, 12 parts of aluminum sulfate and 40 parts of water are added into a reaction kettle and stirred to be dissolved;
2) and (3) heating, controlling the temperature to be 75 ℃, and adding 6.5 parts of the mixture in a mass ratio of 1:1 of diethanolamine and diethanolisopropanolamine;
3) and preserving heat for 2 hours, and supplementing water until the total mass of the solution is 100 parts after the heat preservation is finished.
The cationic polymer is polymerized by the following components in parts by weight of 1000 parts in total, and the preparation method comprises the following steps:
a process for the preparation of a cationic polymer, characterized in that: the adhesive is polymerized by the following components in percentage by mass, the total mass is 1000, and the specific steps are as follows:
1) adding 350 parts by mass of allyl polyoxyethylene ether with the molecular weight of 4000 and 180 parts by mass of water into a reaction kettle, and continuously stirring until the stirring solution has no obvious blocky or cluster material; after homogenization is completed;
2) measuring the temperature in the kettle, controlling the temperature to be 5-25 ℃, and adding 2.6 parts of hydrogen peroxide and 0.75 part of ammonium persulfate once after the temperature is stable, wherein the mass fraction of the hydrogen peroxide is 27.5%;
3) after adding hydrogen peroxide and ammonium persulfate for 5min, sequentially dropwise adding an initiator and a small monomer solution, and after adding the initiator, dropwise adding the small monomer solution within 10min, wherein the small monomer solution is dropwise added for 2-4 hours, and the initiator is dropwise added for (a +0.5) hours; the initiator consists of 1.1 part of mercaptoethanol, 0.98 part of sodium formaldehyde sulfoxylate and 120 parts of water, and the small monomer solution consists of 37 parts of a DMC and DAC composition with the mass ratio of 1:1, 15 parts of acrylamide and 1.0 part of a mixture with the mass ratio of 1:1 with 35 parts of water;
4) after the dropwise addition is finished, 3.2 parts of sodium hypophosphite monohydrate is added, the mixture is cured for 1 hour, 9 parts of liquid caustic soda is slowly added when the temperature of the reaction solution is lower than 30 ℃, water is added until the total mass of the solution is 1000 parts, and the dispersant mother liquor with the mass fraction of 40% is obtained after the mixture is uniformly stirred.
< example 4 >
A preparation method of a dispersant of an early-strength composition of a cement-based cementing material is disclosed, wherein the dispersant is prepared by mixing and stirring the following semi-finished products in percentage by weight:
alkanolamine iron-aluminum complex: 13.5 percent;
cationic polymer: 4 percent;
metal ion chelating agent: 2.0 percent;
metal sulfate: 15 percent;
the balance being water.
The metal ion chelating agent: hydroxyethylidene diphosphonic acid;
the metal sulfate is: in zinc sulfate.
The alkanolamine iron-aluminum complex is polymerized by the following components in parts by weight of 100, and the preparation method comprises the following steps:
1) mixing 1 part of the following raw materials in a mass ratio of 1: 2, 0.2 part of diethylenetriamine pentacarboxylate, 6.7 parts of ferrous sulfate, 19 parts of aluminum sulfate and 55 parts of water are added into a reaction kettle and stirred to be dissolved;
2) and (3) heating, controlling the temperature to be 78 ℃, and adding 3.5 parts of the mixture in a mass ratio of 1:1 of diethanolamine and diethanolisopropanolamine;
3) and preserving heat for 2.5 hours, and supplementing water until the total mass of the solution is 100 parts after the heat preservation is finished.
The cationic polymer is polymerized by the following components in parts by weight of 1000 parts in total, and the preparation method comprises the following steps:
1) adding 345 parts by mass of allyl polyoxyethylene ether with the molecular weight of 4000 and 150 parts by mass of water into a reaction kettle, and continuously stirring until the stirring solution has no obvious blocky or cluster material; after homogenization is completed;
2) measuring the temperature in the kettle, controlling the temperature to be 5-25 ℃, and adding 2.9 parts of hydrogen peroxide and 0.5 part of ammonium persulfate once after the temperature is stable, wherein the mass fraction of the hydrogen peroxide is 27.5%;
3) after adding hydrogen peroxide and ammonium persulfate for 5min, sequentially dropwise adding an initiator and a small monomer solution, and after adding the initiator, dropwise adding the small monomer solution within 10min, wherein the small monomer solution is dropwise added for 2-4 hours, and the initiator is dropwise added for (a +0.5) hours; the initiator consists of 1.8 parts of mercaptoethanol, 0.89 part of sodium formaldehyde sulfoxylate and 120 parts of water, and the small monomer solution consists of 35 parts of a DMC and DAC composition with the mass ratio of 1:1, 18 parts of acrylamide and 1.8 parts of a mixture with the mass ratio of 1:1 with 35 parts of water;
4) after the dropwise addition is finished, 2.8 parts of sodium hypophosphite monohydrate is added, the mixture is cured for 1 hour, 9 parts of liquid caustic soda is slowly added when the temperature of the reaction solution is lower than 30 ℃, water is added until the total mass of the solution is 1000 parts, and the dispersant mother liquor with the mass fraction of 40% is obtained after the mixture is uniformly stirred.
< example 5 >
A preparation method of a dispersant of an early-strength composition of a cement-based cementing material is disclosed, wherein the dispersant is prepared by mixing and stirring the following semi-finished products in percentage by weight:
alkanolamine iron-aluminum complex: 12 percent;
cationic polymer: 6 percent;
metal ion chelating agent: 1.0 percent;
metal sulfate: 16 percent;
the balance being water.
The metal ion chelating agent: the mass ratio of the diethylene triamine penta methylene phosphonic acid to the 2-phosphonic butane-1, 2, 4-tricarboxylic acid is 1: 1.
The metal sulfate is: the mass ratio of the aluminum sulfate to the ferrous sulfate is 2: 1.
The alkanolamine iron-aluminum complex is polymerized by the following components in parts by weight of 100, and the preparation method comprises the following steps:
preparing an alkanolamine iron-aluminum complex characterized by: the alkanolamine iron-aluminum complex is polymerized by the following components in percentage by mass, the total mass is 100, and the preparation method specifically comprises the following steps:
1) 1.5 parts of a mixture of 1: 2, 0.6 part of ethylene diamine tetramethylene sodium phosphate, 8 parts of ferrous sulfate, 15 parts of aluminum sulfate and 56 parts of water are added into a reaction kettle and stirred to be dissolved;
2) and (3) heating, controlling the temperature at 88 ℃, and adding 4 parts of the following components in parts by mass ratio of 1:1 a combination alkanolamine of diethanolamine and diethanolisopropanolamine;
3) and preserving heat for 1.8 hours, and supplementing water until the total mass of the solution is 100 parts after the heat preservation is finished.
The cationic polymer is polymerized by the following components in parts by weight of 1000 parts in total, and the preparation method comprises the following steps:
1) adding 330 parts by mass of allyl polyoxyethylene ether with the molecular weight of 4000 and 300 parts by mass of water into a reaction kettle, and continuously stirring until the stirring solution has no obvious blocky or agglomerate material; after homogenization is completed;
2) measuring the temperature in the kettle, controlling the temperature to be 5-25 ℃, and adding 2.0 parts of hydrogen peroxide and 0.6 part of ammonium persulfate once after the temperature is stable, wherein the mass fraction of the hydrogen peroxide is 27.5%;
3) after adding hydrogen peroxide and ammonium persulfate for 5min, sequentially dropwise adding an initiator and a small monomer solution, and after adding the initiator, dropwise adding the small monomer solution within 10min, wherein the small monomer solution is dropwise added for 2-4 hours, and the initiator is dropwise added for (a +0.5) hours; the initiator consists of 1.3 parts of mercaptoethanol, 1.0 part of sodium formaldehyde sulfoxylate and 120 parts of water, and the small monomer solution consists of 38 parts of a DMC and DAC composition with the mass ratio of 1:1, 19 parts of acrylamide and 1.3 parts of a mixture with the mass ratio of 1:1 with 35 parts of water;
4) after the dropwise addition is finished, 2.6 parts of sodium hypophosphite monohydrate is added, the mixture is cured for 1 hour, 9 parts of liquid caustic soda is slowly added when the temperature of the reaction solution is lower than 30 ℃, water is added until the total mass of the solution is 1000 parts, and the dispersant mother liquor with the mass fraction of 40% is obtained after the mixture is uniformly stirred.
< example 6 >
A preparation method of a dispersant of an early-strength composition of a cement-based cementing material is disclosed, wherein the dispersant is prepared by mixing and stirring the following semi-finished products in percentage by weight:
alkanolamine iron-aluminum complex: 14 percent;
cationic polymer: 3 percent;
metal ion chelating agent: 1.5 percent;
metal sulfate: 22 percent;
the balance being water.
The metal ion chelating agent: a 1:1 mass composition of 2-phosphonobutane-1, 2, 4-tricarboxylic acid, bis 1, 6-hexylidene triamine pentamethylene phosphonic acid;
the metal sulfate is: the composition comprises magnesium sulfate and zinc sulfate in a mass ratio of 1: 1.
The alkanolamine iron-aluminum complex is polymerized by the following components in parts by weight of 100, and the preparation method comprises the following steps:
1) mixing 2.6 parts by mass of a mixture of 1: 2, 0.2 part of sodium aminotriacetate, 13 parts of ferrous sulfate, 13 parts of aluminum sulfate and 58 parts of water are added into a reaction kettle and stirred to be dissolved;
2) and (3) heating, controlling the temperature to 83 ℃, and adding 3.5 parts of the mixture in a mass ratio of 1:1 of diethanolamine and diethanolisopropanolamine;
3) and preserving heat for 2.2 hours, and supplementing water until the total mass of the solution is 100 parts after the heat preservation is finished.
The cationic polymer is polymerized by the following components in parts by weight of 1000 parts in total, and the preparation method comprises the following steps:
1) adding 345 parts by mass of allyl polyoxyethylene ether with the molecular weight of 4000 and 180 parts by mass of water into a reaction kettle, and continuously stirring until the stirring solution has no obvious blocky or agglomerate materials; after homogenization is completed;
2) measuring the temperature in the kettle, controlling the temperature to be 5-25 ℃, and adding 2.4 parts of hydrogen peroxide and 0.5 part of ammonium persulfate once after the temperature is stable, wherein the mass fraction of the hydrogen peroxide is 27.5%;
3) after adding hydrogen peroxide and ammonium persulfate for 5min, sequentially dropwise adding an initiator and a small monomer solution, and after adding the initiator, dropwise adding the small monomer solution within 10min, wherein the small monomer solution is dropwise added for 2-4 hours, and the initiator is dropwise added for (a +0.5) hours; the initiator consists of 1.7 parts of mercaptoethanol, 0.85 part of sodium formaldehyde sulfoxylate and 120 parts of water, and the small monomer solution consists of 35 parts of a DMC and DAC composition with the mass ratio of 1:1, 15 parts of acrylamide and 1.5 parts of a mixture with the mass ratio of 1:1 with 35 parts of water;
4) after the dropwise addition is finished, 2.6 parts of sodium hypophosphite monohydrate is added, the mixture is cured for 1 hour, 8 parts of liquid caustic soda is slowly added when the temperature of the reaction solution is lower than 30 ℃, water is added until the total mass of the solution is 1000 parts, and the dispersant mother liquor with the mass fraction of 40% is obtained after the mixture is uniformly stirred.
Selecting a commercial early strength water reducing agent, comparing the early strength water reducing agent with an example, wherein the performance test result is shown in table 1:
table 1 example performance test parameter table
According to the data in the table, the early-strength composition dispersant is adopted, so that the fluidity of the clear paste and the concrete is obviously enhanced, the mechanical property is also obviously enhanced on the premise that the working performance is synchronously increased, the 1d has obvious advantages compared with a reference sample, and the 28d strength is stably enhanced.
Claims (9)
1. The preparation method of the dispersant for the early-strength composition of the cement-based cementing material is characterized in that the dispersant is prepared by mixing the following components in percentage by weight:
alkanolamine iron-aluminum complex: 10 to 15 percent;
cationic polymer: 2 to 7 percent;
metal ion chelating agent: 0.5-2.0%;
metal sulfate: 15 to 25 percent;
the balance of water; wherein,
the alkanolamine iron-aluminum complex compound is 100 parts by weight in total, and the preparation method comprises the following steps:
1) adding 1-3 parts by weight of inorganic acid, 0.2-0.8 part by weight of complexing agent, 10-20 parts by weight of ferrous sulfate, 15-25 parts by weight of aluminum sulfate and 40-60 parts by weight of water into a reaction kettle, and stirring to dissolve the inorganic acid and the complexing agent;
2) heating, controlling the temperature to be 75-95 ℃, and adding 3.5-6.5 parts of alkanolamine once after the temperature is stable;
3) preserving heat for 1-2 hours, and supplementing water until the total mass part of the solution is 100 parts after the heat preservation is finished;
the cationic polymer is prepared by the following specific preparation method, wherein the specific preparation method comprises the following steps of:
1) adding 350 parts by weight of 330-350 parts by weight of polyether macromonomer and 300 parts by weight of 150-300 parts by weight of water into a reaction kettle, and continuously stirring until the stirring solution has no obvious blocky or agglomerate material; after homogenization is completed;
2) measuring the temperature in the kettle, controlling the temperature to be 5-25 ℃, and adding 1.5-5.0 parts of hydrogen peroxide and 0.5-1.5 parts of ammonium persulfate once after the temperature is stable, wherein the mass fraction of the hydrogen peroxide is 27.5%;
3) after adding hydrogen peroxide and ammonium persulfate for 5min, sequentially dropwise adding an initiator and a small monomer solution, and after adding the initiator, dropwise adding the small monomer solution within 10min, wherein the small monomer solution is dropwise added for 2-4 hours, and the initiator is dropwise added for 1.5-2.5 hours; the initiator consists of 0.5-2.0 parts of mercaptoethanol, 0.3-1.0 part of sodium formaldehyde sulfoxylate and 100-150 parts of water, and the small monomer solution consists of 25-40 parts of cationic small monomer, 10-25 parts of acrylamide, 0.5-2.0 parts of double bond-containing silane coupling agent and 30-50 parts of water;
4) after the dropwise addition is finished, 3.0-8.0 parts of sodium hypophosphite monohydrate is added, curing is carried out for 1-2 hours, when the temperature of the reaction solution is lower than 30 ℃, 5-15 parts of liquid caustic soda is slowly added, water is supplemented until the total mass of the solution is 1000 parts, and after uniform stirring, the dispersant mother liquor with the mass fraction of 40% is obtained.
2. The method of claim 1, wherein:
the inorganic acid is one or a combination of sulfuric acid, nitric acid and phosphoric acid.
3. The method of claim 1, wherein:
the complexing agent is one or a combination of more of sodium pyrophosphate, citric acid, tartaric acid, sodium alginate, sodium aminotriacetate, diethylenetriamine pentacarboxylate, ethylene diamine tetramethylene sodium phosphate and hydrolytic polymaleic anhydride.
4. The method of claim 1, wherein:
the alkanolamine is one or a combination of monoethanolamine, diethanolamine, diethanol monoisopropanolamine and monoethanoldiisopropanolamine.
5. The method of claim 1, wherein:
the polyether macromonomer is one or a composition of two of allyl polyoxyethylene ether and methyl allyl polyoxyethylene ether.
6. The method of claim 1, wherein:
the cation small monomer is one or two compositions of quaternary ammonium salt cation monomer and quaternary phosphonium salt cation monomer; wherein,
the quaternary ammonium salt cationic monomer is one of diallyl quaternary ammonium salt, acrylamide alkyl quaternary ammonium salt and acrylamide alkyl quaternary ammonium salt;
the quaternary phosphonium salt cationic monomer is one or a composition of two of tetrakis (hydroxymethyl) phosphonium sulfate (THPS) and p-vinylbenzyl tributyl phosphonium chloride (VBTBPC).
7. The method of claim 1, wherein:
the double-bond-containing silane coupling agent is one or a composition of more of vinyl trimethylsilane, vinyl triethoxysilane and gamma-methacryloxypropyl trimethoxysilane.
8. The method of claim 1, wherein:
the metal ion chelating agent is one or a composition of more of aminotrimethylene phosphonic acid, ethylene diamine tetra methylene phosphonic acid sodium, hydroxyethylidene diphosphonic acid, diethylenetriamine penta methylene phosphonic acid, ethylenediamine sodium diorthohydroxyphenyl acetate, 2-phosphonic butane-1, 2, 4-tricarboxylic acid, 2-hydroxyphosphonoacetic acid, hexamethylenediamine tetra methylene phosphonic acid and bis-1, 6-hexylidene triamine penta methylene phosphonic acid.
9. The method of claim 1, wherein:
the metal sulfate is one or a combination of more of strontium sulfate, calcium sulfate, magnesium sulfate, aluminum sulfate, manganese sulfate, zinc sulfate and ferrous sulfate.
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