JP7248432B2 - 混合ポリオキシアルキレンの側鎖を有する、低範囲ないし中範囲の減水性ポリマー - Google Patents
混合ポリオキシアルキレンの側鎖を有する、低範囲ないし中範囲の減水性ポリマー Download PDFInfo
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- JP7248432B2 JP7248432B2 JP2018557778A JP2018557778A JP7248432B2 JP 7248432 B2 JP7248432 B2 JP 7248432B2 JP 2018557778 A JP2018557778 A JP 2018557778A JP 2018557778 A JP2018557778 A JP 2018557778A JP 7248432 B2 JP7248432 B2 JP 7248432B2
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- water
- cement
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 54
- 229920000642 polymer Polymers 0.000 title claims description 19
- 230000001603 reducing effect Effects 0.000 title description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 48
- 239000004568 cement Substances 0.000 claims description 45
- 239000000203 mixture Substances 0.000 claims description 45
- 239000000178 monomer Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 26
- 229920001577 copolymer Polymers 0.000 claims description 24
- 239000004567 concrete Substances 0.000 claims description 22
- 125000005702 oxyalkylene group Chemical group 0.000 claims description 20
- 230000009467 reduction Effects 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 12
- 229910052783 alkali metal Inorganic materials 0.000 claims description 12
- 150000001340 alkali metals Chemical class 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 238000007872 degassing Methods 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 claims description 3
- RGHNJXZEOKUKBD-SQOUGZDYSA-N Gluconic acid Natural products OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims description 3
- 239000000174 gluconic acid Substances 0.000 claims description 3
- 235000012208 gluconic acid Nutrition 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims 3
- 238000006116 polymerization reaction Methods 0.000 claims 1
- -1 alkenyl ethers Chemical class 0.000 description 38
- 229920005646 polycarboxylate Polymers 0.000 description 29
- 229920001223 polyethylene glycol Polymers 0.000 description 22
- 238000005227 gel permeation chromatography Methods 0.000 description 11
- 239000002518 antifoaming agent Substances 0.000 description 10
- 229920001427 mPEG Polymers 0.000 description 9
- 239000002270 dispersing agent Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 4
- 235000012241 calcium silicate Nutrition 0.000 description 4
- 229910052918 calcium silicate Inorganic materials 0.000 description 4
- 150000007942 carboxylates Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- 239000000378 calcium silicate Substances 0.000 description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- DUDCYUDPBRJVLG-UHFFFAOYSA-N ethoxyethane methyl 2-methylprop-2-enoate Chemical compound CCOCC.COC(=O)C(C)=C DUDCYUDPBRJVLG-UHFFFAOYSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- AHQNFRFBKOXXBK-TYYBGVCCSA-N (e)-but-2-enedioic acid;methoxymethane Chemical compound COC.OC(=O)\C=C\C(O)=O AHQNFRFBKOXXBK-TYYBGVCCSA-N 0.000 description 2
- AHQNFRFBKOXXBK-ODZAUARKSA-N (z)-but-2-enedioic acid;methoxymethane Chemical compound COC.OC(=O)\C=C/C(O)=O AHQNFRFBKOXXBK-ODZAUARKSA-N 0.000 description 2
- IGHLARSTNXNDES-UHFFFAOYSA-N 1-ethenoxy-4-(4-ethenoxybutoxy)butane Chemical compound C=COCCCCOCCCCOC=C IGHLARSTNXNDES-UHFFFAOYSA-N 0.000 description 2
- XMHDLKFMJMNOAX-UHFFFAOYSA-N 2-methyl-3-(2-methylprop-2-enoxy)prop-1-ene Chemical compound CC(=C)COCC(C)=C XMHDLKFMJMNOAX-UHFFFAOYSA-N 0.000 description 2
- DHNFGUDLVOSIKJ-UHFFFAOYSA-N 3-methyl-1-(3-methylbuta-1,3-dienoxy)buta-1,3-diene Chemical compound CC(=C)C=COC=CC(C)=C DHNFGUDLVOSIKJ-UHFFFAOYSA-N 0.000 description 2
- ATVJXMYDOSMEPO-UHFFFAOYSA-N 3-prop-2-enoxyprop-1-ene Chemical compound C=CCOCC=C ATVJXMYDOSMEPO-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 description 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- DOMLXBPXLNDFAB-UHFFFAOYSA-N ethoxyethane;methyl prop-2-enoate Chemical compound CCOCC.COC(=O)C=C DOMLXBPXLNDFAB-UHFFFAOYSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000005498 phthalate group Chemical class 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- ZHCGVAXFRLLEFW-UHFFFAOYSA-N 2-methyl-3-(prop-2-enoylamino)propane-1-sulfonic acid Chemical compound OS(=O)(=O)CC(C)CNC(=O)C=C ZHCGVAXFRLLEFW-UHFFFAOYSA-N 0.000 description 1
- XEEYSDHEOQHCDA-UHFFFAOYSA-N 2-methylprop-2-ene-1-sulfonic acid Chemical compound CC(=C)CS(O)(=O)=O XEEYSDHEOQHCDA-UHFFFAOYSA-N 0.000 description 1
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 description 1
- DKIDEFUBRARXTE-UHFFFAOYSA-N 3-mercaptopropanoic acid Chemical compound OC(=O)CCS DKIDEFUBRARXTE-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- JYFHYPJRHGVZDY-UHFFFAOYSA-N Dibutyl phosphate Chemical compound CCCCOP(O)(=O)OCCCC JYFHYPJRHGVZDY-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- AGWMJKGGLUJAPB-UHFFFAOYSA-N aluminum;dicalcium;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Ca+2].[Ca+2].[Fe+3] AGWMJKGGLUJAPB-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- HOOWDPSAHIOHCC-UHFFFAOYSA-N dialuminum tricalcium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[Al+3].[Al+3].[Ca++].[Ca++].[Ca++] HOOWDPSAHIOHCC-UHFFFAOYSA-N 0.000 description 1
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 125000005670 ethenylalkyl group Chemical group 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- RXRHXOLQBOFMDI-UHFFFAOYSA-N methoxymethane;2-methylprop-2-enoic acid Chemical class COC.CC(=C)C(O)=O RXRHXOLQBOFMDI-UHFFFAOYSA-N 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920001521 polyalkylene glycol ether Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001296 polysiloxane Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- 238000001448 refractive index detection Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 235000019976 tricalcium silicate Nutrition 0.000 description 1
- 229910021534 tricalcium silicate Inorganic materials 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2688—Copolymers containing at least three different monomers
- C04B24/2694—Copolymers containing at least three different monomers containing polyether side chains
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/16—Sulfur-containing compounds
- C04B24/161—Macromolecular compounds comprising sulfonate or sulfate groups
- C04B24/163—Macromolecular compounds comprising sulfonate or sulfate groups obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/165—Macromolecular compounds comprising sulfonate or sulfate groups obtained by reactions only involving carbon-to-carbon unsaturated bonds containing polyether side chains
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2641—Polyacrylates; Polymethacrylates
- C04B24/2647—Polyacrylates; Polymethacrylates containing polyether side chains
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2652—Nitrogen containing polymers, e.g. polyacrylamides, polyacrylonitriles
- C04B24/2658—Nitrogen containing polymers, e.g. polyacrylamides, polyacrylonitriles containing polyether side chains
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2664—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of ethylenically unsaturated dicarboxylic acid polymers, e.g. maleic anhydride copolymers
- C04B24/267—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of ethylenically unsaturated dicarboxylic acid polymers, e.g. maleic anhydride copolymers containing polyether side chains
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/283—Polyesters
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/32—Polyethers, e.g. alkylphenol polyglycolether
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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- 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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- 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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/308—Slump-loss preventing agents
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- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00068—Mortar or concrete mixtures with an unusual water/cement ratio
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- Chemical & Material Sciences (AREA)
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- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Polyethers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Description
たはモルタルミックスに対して十分な初期の施工軟度を与えない、と考える。
されると、劣ったHRWR性能を達成するにもかかわらず、該ポリオキシアルキレン含有側基内に2つの異なるが特定のサイズ範囲を有するPCコポリマーを使用する工程は、本発明が、低範囲ないし中範囲の減水用途(LRWR、MRWR)に使用されるときに、リグニンおよび別の非PCタイプの分散剤に対する満足な代替物を提供するようにW/Cが増加される場合に、驚くべきことには、そして予期されなかったことには、優れた性能を提供すると考える。
以下のモノマー成分(A)、(B)、(C)、および場合により(D):
(A)構造式
(B)構造式
基を表わす]により表わされる第2のポリオキシアルキレンモノマー、
(C)構造式
(D)構造式
成分(A)の成分(B)に対するモル比は15:85ないし85:15であり、そして更に成分(C)の、成分(A)および成分(B)の和に対するのモル比は90:10ないし50:50である、少なくとも1つの櫛形カルボキシレートコポリマーを、水および水和可能なセメントと混合して、少なくとも0.44の、そしてより好ましくは少なくとも0.51の、水/セメント(w/c)比を有し、かつ、該w/c比は0.80以下で、そしてより好ましくは0.75以下である、水和可能な混合物を形成する工程、
を含む。
ト質組成物を提供する。
(A)構造式:
o」は0ないし4の整数を表わし、「p」はオキシアルキレン基の平均数を表わしそして5ないし35の整数であり、並びにR4は水素原子またはC1ないしC4アルキル基を表わす]により表わされる第1のポリオキシアルキレンモノマー、
(B)構造式:
(C)構造式:
(D)構造式:
成分(A)の成分(B)に対するモル比は15:85ないし85:15であり、そして更に成分(C)の、成分(A)および成分(B)の和に対するモル比は90:10ないし50:50である、少なくとも1つの櫛形カルボキシレートコポリマーを、水および水和
可能なセメントと混合して、少なくとも0.44、そしてより好ましくは少なくとも0.51の、水/セメント(w/c)比を有し、並びに前記w/c比は0.80以下、そしてより好ましくは0.75以下である、水和可能な混合物を形成する工程:を含む。
(A)構造式:
(B)構造式:
(C)構造式:
(D)構造式:
から形成され、並びに、
成分(A)の成分(B)に対するモル比が15:85ないし85:15であり、そして更に成分(C)の、成分(A)および成分(B)の和に対するモル比が90:10ないし50:50である、この化合物は、前記セメントのコンクリートに対する比が通常少なくとも350である、典型的には、高範囲の減水(HRWR)を目的とされる超軟練化剤とともに使用されるコンクリートと対比される。
マトグラフィー(GPC)により測定される、8,000ないし50,000である。より好ましくは、前記ポリカルボキシレートコポリマーの重量平均分子量は10,000ないし40,000、そしてもっとも好ましくは12,000ないし30,000である。前記分子量は以下の実施例1に記載される条件下のゲル透過クロマトグラフィー(GPC)を使用して測定される場合がある。
ニルアルキルエーテル、ビニルスルホン酸、アリルスルホン酸、メタリルスルホン酸、3-アクリルアミド-2-メチルプロパンスルホン酸、スチレンスルホン酸、これらの酸の塩、またはそれらの混合物を含む。
、1種以上の脱気剤を含むと考えられる。
生成されるポリマーの重量平均分子量は、標準液としてのポリエチレングリコール(PEG)および次の分離カラム:ULTRAHYDROGEL(商標) 1000、ULTRAHYDROGEL(商標) 250およびULTRAHYDROGEL(商標) 120カラムを使用するゲル透過クロマトグラフィー(GPC)を使用することにより測定される場合がある。GPC処理条件は以下:溶離液として1%硝酸カリウム水溶液、0.6mL/分の流量、80μLの注入量、35°Cのカラム温度および屈折率検出のとおりである。
Theodore プラント(Alabama,US)から供給されたセメントに基づき、スランプは、セメントに対する有効ポリマーの用量の百分率の関数として測定された[%s/c]。
Claims (7)
- 水和可能なセメント質組成物中で低範囲ないし中範囲の減水を達成する方法であって、水及びセメントを混合し、水対セメント(w/c)比が少なくとも0.44、そして0.80以下である、水和可能なセメント質混合物を形成する工程、
さらに、前記水及びセメントと、以下のモノマー成分(A)、(B)、(C)、および場合により(D)から形成される少なくとも1つの櫛形カルボキシレートコポリマーを混合する工程、
を含む方法:
(A)構造式
(B)構造式
(C)構造式
(D)構造式
から形成され、
ただし、成分(A)の成分(B)に対するモル比は15:85ないし85:15であり、そして更に成分(C)の、成分(A)および成分(B)の和に対するモル比は90:10ないし50:50であり、
成分(B)の第2のポリオキシアルキレンモノマー中の「q」と、成分(A)の第1のポリオキシアルキレンモノマー中の「p」との間の差は、少なくとも8の整数であり、
前記方法によって調製される、コンクリート中の水含有量は12重量%未満減少され、その一方前記ポリマーで処理しないコンクリート混合物と比較して同じスランプを達成する。 - 成分(A)または成分(B)中の「m」、「n」および「o」は、それぞれ、0、1および0の整数である、請求項1の方法。
- 成分(A)の第1のポリオキシアルキレンモノマー中の「p」と、成分(B)の第2のポリオキシアルキレンモノマー中の「q」との和は120以下である、請求項1の方法。
- 前記少なくとも一つのカルボキシレートコポリマーは、更に、成分(D)モノマーを使用する重合から誘導される構成基を含み、そして成分(D)から誘導される構成基の、成分(A)、成分(B)および成分(C)から誘導される構成基の和に対するモル比は、1:99ないし20:80である、請求項1の方法。
- 前記少なくとも1種の櫛形カルボキシレートコポリマーは10,000ないし40,000の重量平均分子量を有する、請求項1の方法。
- 前記櫛形カルボキシレートコポリマーの有効量は、セメントの0.04ないし0.14重量%である、請求項1の方法。
- 前記セメントおよび水に、グルコン酸またはその塩、アルカノールアミン、脱気剤、空気連行剤およびこれらの混合物からなる群から選択される少なくとも1種の添加剤を添加する工程を更に含む、請求項1の方法。
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