KR19990077397A - 시멘트용분산제 - Google Patents
시멘트용분산제 Download PDFInfo
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- KR19990077397A KR19990077397A KR1019990002884A KR19990002884A KR19990077397A KR 19990077397 A KR19990077397 A KR 19990077397A KR 1019990002884 A KR1019990002884 A KR 1019990002884A KR 19990002884 A KR19990002884 A KR 19990002884A KR 19990077397 A KR19990077397 A KR 19990077397A
- Authority
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- South Korea
- Prior art keywords
- cement
- water
- mol
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- average molecular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004568 cement Substances 0.000 title claims abstract description 96
- 239000002270 dispersing agent Substances 0.000 title claims abstract description 52
- 229920006163 vinyl copolymer Polymers 0.000 claims abstract description 64
- 238000005227 gel permeation chromatography Methods 0.000 claims abstract description 9
- 229920001218 Pullulan Polymers 0.000 claims abstract description 7
- 239000004373 Pullulan Substances 0.000 claims abstract description 7
- 235000019423 pullulan Nutrition 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000004567 concrete Substances 0.000 claims description 20
- -1 oxypropylene unit Chemical group 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 13
- 125000006353 oxyethylene group Chemical group 0.000 claims description 10
- 229910052783 alkali metal Inorganic materials 0.000 claims description 9
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 7
- 125000005702 oxyalkylene group Chemical group 0.000 claims description 6
- 239000002243 precursor Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 239000012615 aggregate Substances 0.000 claims 6
- 239000000470 constituent Substances 0.000 abstract description 12
- 150000001875 compounds Chemical class 0.000 abstract description 7
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 36
- SONHXMAHPHADTF-UHFFFAOYSA-M sodium;2-methylprop-2-enoate Chemical compound [Na+].CC(=C)C([O-])=O SONHXMAHPHADTF-UHFFFAOYSA-M 0.000 description 30
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 19
- 229940048053 acrylate Drugs 0.000 description 19
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 18
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 14
- 239000002202 Polyethylene glycol Substances 0.000 description 14
- 229920001223 polyethylene glycol Polymers 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 13
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 13
- 238000006116 polymerization reaction Methods 0.000 description 13
- 239000000178 monomer Substances 0.000 description 11
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 11
- 229920002554 vinyl polymer Polymers 0.000 description 11
- 239000000203 mixture Substances 0.000 description 9
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 8
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 229920001451 polypropylene glycol Polymers 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 239000003999 initiator Substances 0.000 description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- 239000012046 mixed solvent Substances 0.000 description 4
- PSGXOVBSDGJENZ-UHFFFAOYSA-M sodium;4-methoxybenzenesulfonate Chemical compound [Na+].COC1=CC=C(S([O-])(=O)=O)C=C1 PSGXOVBSDGJENZ-UHFFFAOYSA-M 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 3
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000012986 chain transfer agent Substances 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 3
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 3
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229940047670 sodium acrylate Drugs 0.000 description 3
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- PMNLUUOXGOOLSP-UHFFFAOYSA-N 2-mercaptopropanoic acid Chemical compound CC(S)C(O)=O PMNLUUOXGOOLSP-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 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 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 239000000654 additive Substances 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
- 238000004458 analytical method Methods 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 2
- 125000006274 (C1-C3)alkoxy group Chemical group 0.000 description 1
- 229910001341 Crude steel Inorganic materials 0.000 description 1
- 239000002211 L-ascorbic acid Substances 0.000 description 1
- 235000000069 L-ascorbic acid Nutrition 0.000 description 1
- 239000006244 Medium Thermal Substances 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- LXEKPEMOWBOYRF-UHFFFAOYSA-N [2-[(1-azaniumyl-1-imino-2-methylpropan-2-yl)diazenyl]-2-methylpropanimidoyl]azanium;dichloride Chemical compound Cl.Cl.NC(=N)C(C)(C)N=NC(C)(C)C(N)=N LXEKPEMOWBOYRF-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- PJUIMOJAAPLTRJ-UHFFFAOYSA-N monothioglycerol Chemical compound OCC(O)CS PJUIMOJAAPLTRJ-UHFFFAOYSA-N 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- MNCGMVDMOKPCSQ-UHFFFAOYSA-M sodium;2-phenylethenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C=CC1=CC=CC=C1 MNCGMVDMOKPCSQ-UHFFFAOYSA-M 0.000 description 1
- UJEBDYLRGJMYGC-UHFFFAOYSA-M sodium;4-(2-methylprop-2-enoyloxy)benzenesulfonate Chemical compound [Na+].CC(=C)C(=O)OC1=CC=C(S([O-])(=O)=O)C=C1 UJEBDYLRGJMYGC-UHFFFAOYSA-M 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004078 waterproofing Methods 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
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0045—Polymers chosen for their physico-chemical characteristics
- C04B2103/0053—Water-soluble polymers
-
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
Claims (12)
- 전구성단위중에, 하기의 화학식 1로 표시되는 구성단위 A를 40∼80 몰%, 하기의 화학식 2로 표시되는 구성단위 B를 0.5∼20 몰%, 하기의 화학식 3으로 표시되는 구성단위 C를 0.2∼18 몰% 및 하기의 화학식 4로 표시되는 구성단위 D를 2∼40 몰%(합계 100 몰%)의 비율로 갖는 수용성 비닐공중합체로서, 겔퍼미에이션크로마토그라프로 측정한 풀루란 환산의 중량 평균분자량이 15000∼150000의 범위내에 있고 또한 해당 중량평균분자량과 수평균분자량과의 비(중량 평균분자량/수 평균분자량)이 2∼7의 범위내에 있는 수용성비닐공중합체로 이루어지는 것을 특징으로 하는 시멘트용 분산제.[화학식 1][화학식 2][화학식 3][화학식 4]상기 식에서,Rl, R2, R3는 H 또는 메틸기이고,R4는 H 또는 탄소수 1∼3의 알킬기이며,X 는 하기의 화학식 5 또는 화학식 6으로 표시되는 기이고,A 는 옥시알킬렌단위의 반복수가 5∼109의 폴리에테르디올로부터 모든 수산기를 제외한 잔기로서, 해당 옥시알킬렌단위가 옥시에틸렌단위만 또는 옥시에틸렌단위와 옥시프로필렌단위의 쌍방으로부터 이루어지는 것인 잔기이며,M1은 수소, 알칼리금속, 알칼리토금속, 암모늄 또는 유기아민이고,[화학식 5]-S03M2[화학식 6]-O-C6H4-SO3M3여기에서,M2, M3: 알칼리금속, 알칼리토금속, 암모늄 또는 유기아민이다.
- 제 1항에 있어서, 수용성비닐공중합체가, 전구성단위중에, 구성단위 D로서 하기의 화학식 7로 표시되는 구성단위 E를 2∼15 몰% 및 하기의 화학식 8로 나타내는 구성단위 F를 0.5∼15 몰%의 비율로 갖는 것인 시멘트용 분산제.[화학식 7][화학식 8]상기 식에서,R5는 H 또는 메틸기이고,R6는 탄소수 1∼3의 알킬기이며,n 은 40∼109의 정수이고,m 은 5∼25의 정수이다.
- 제 2항에 있어서, 수용성 비닐공중합체가, 전구성단위중에, 구성단위 A를 55∼72 몰%, 구성단위 B를 3∼18 몰%, 구성단위 C를 3∼15 몰%, 구성단위 E를 3∼12 몰% 및 구성단위 F를 1∼12 몰%(합계 100 몰%)의 비율로 갖는 것인 시멘트용 분산제.
- 제 1항에 있어서, 수용성 비닐공중합체가, 겔퍼미에이션크로마토그라프로 측정한 풀루란 환산의 중량 평균분자량이 25000∼70000의 범위내에 있고 또한 해당 중량 평균분자량과 수 평균분자량과의 비(중량 평균분자량/수 평균분자량)이 3∼6.5의 범위내에 있는 것인 시멘트용 분산제.
- 제 2항에 있어서, 수용성 비닐공중합체가, 겔퍼미에이션크로마토그라프로 측정한 풀루란환산의 중량 평균분자량이 25000∼70000의 범위내에 있고 또한 해당 중량 평균분자량과 수 평균분자량과의 비(중량 평균분자량/수 평균분자량)이 3∼6.5의 범위내에 있는 것인 시멘트용 분산제.
- 제 3항에 있어서, 수용성 비닐공중합체가, 겔퍼미에이션크로마토그라프로 측정한 풀루란 환산의 중량 평균분자량이 25000∼70000의 범위내에 있고 또한 해당 중량 평균분자량과 수 평균분자량과의 비(중량 평균분자량/수 평균분자량)이 3∼6.5의 범위내에 있는 것인 시멘트용 분산제.
- 시멘트, 골재, 시멘트용 분산제 및 물을 함유하며 물/시멘트비가 20∼45%인 콘크리트를 조제함에 있어서, 제 1항에 기재된 시멘트용 분산제를 사용하는 것을 특징으로 하는 콘크리트의 조제방법.
- 시멘트, 골재, 시멘트용 분산제 및 물을 함유하며 물/시멘트비가 20∼45%인 콘크리트를 조제함에 있어서, 제 2항에 기재된 시멘트용 분산제를 사용하는 것을 특징으로 하는 콘크리트의 조제방법.
- 시멘트, 골재, 시멘트용 분산제 및 물을 함유하며 물/시멘트비가 20∼45%인 콘크리트를 조제함에 있어서, 제 3항에 기재된 시멘트용 분산제를 사용하는 것을 특징으로 하는 콘크리트의 조제방법.
- 시멘트, 골재, 시멘트용 분산제 및 물을 함유하며 물/시멘트비가 20∼45%인 콘크리트를 조제함에 있어서, 제 4항에 기재된 시멘트용 분산제를 사용하는 것을 특징으로 하는 콘크리트의 조제방법.
- 시멘트, 골재, 시멘트용 분산제 및 물을 함유하며 물/시멘트비가 20∼45%인 콘크리트를 조제함에 있어서, 제 5항에 기재된 시멘트용 분산제를 사용하는 것을 특징으로 하는 콘크리트의 조제방법.
- 시멘트, 골재, 시멘트용 분산제 및 물을 함유하며 물/시멘트비가 20∼45%인 콘크리트를 조제함에 있어서, 제 6항에 기재된 시멘트용 분산제를 사용하는 것을 특징으로 하는 콘크리트의 조제방법.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06948298A JP3375279B2 (ja) | 1998-03-03 | 1998-03-03 | セメント用分散剤 |
| JP69482/1998 | 1998-03-03 | ||
| JP267319/1998 | 1998-09-04 | ||
| JP26731998A JP3322838B2 (ja) | 1998-09-04 | 1998-09-04 | セメント用分散剤 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990077397A true KR19990077397A (ko) | 1999-10-25 |
| KR100552922B1 KR100552922B1 (ko) | 2006-02-22 |
Family
ID=26410671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990002884A Expired - Lifetime KR100552922B1 (ko) | 1998-03-03 | 1999-01-29 | 시멘트용 분산제 및 그를 이용한 콘크리트의 조제방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6176921B1 (ko) |
| EP (1) | EP0940374B1 (ko) |
| KR (1) | KR100552922B1 (ko) |
| DE (1) | DE69942472D1 (ko) |
| TW (1) | TW506953B (ko) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY114306A (en) * | 1995-07-13 | 2002-09-30 | Mbt Holding Ag | Cement dispersant method for production thereof and cement composition using dispersant |
| US6133347A (en) * | 1999-07-09 | 2000-10-17 | Mbt Holding Ag | Oligomeric dispersant |
| US6861459B2 (en) * | 1999-07-09 | 2005-03-01 | Construction Research & Technology Gmbh | Oligomeric dispersant |
| JP3600100B2 (ja) † | 1999-12-20 | 2004-12-08 | 花王株式会社 | コンクリート混和剤 |
| US8002890B2 (en) * | 2002-10-11 | 2011-08-23 | Advanced Technology Co., Ltd. | Mortar composition |
| AU2007202563B2 (en) * | 2002-10-11 | 2011-06-23 | Advanced Technology Co., Ltd | Mortar composition |
| US6591910B1 (en) * | 2003-01-29 | 2003-07-15 | Halliburton Energy Services, Inc. | Methods and compositions for cementing subterranean zones |
| FR2853646B1 (fr) * | 2003-04-11 | 2007-07-06 | Chryso Sas | Utilisation de dispersants pour ameliorer le maintien de fluidite de beton |
| US6869998B2 (en) | 2003-06-23 | 2005-03-22 | Geo Specialty Chemicals, Inc. | Concrete or cement dispersant and method of use |
| EP1734062A1 (en) | 2005-06-15 | 2006-12-20 | KAO CHEMICALS GmbH | Concrete and mortar admixture |
| CN102992682B (zh) * | 2012-09-29 | 2015-06-03 | 北京东方雨虹防水技术股份有限公司 | 一种通用型聚羧酸减水剂及其制备方法 |
| CN108047395A (zh) * | 2018-01-18 | 2018-05-18 | 安徽省交通控股集团有限公司 | 一种机制砂水泥混凝土专用改性剂 |
| CN114075314A (zh) * | 2020-08-14 | 2022-02-22 | 中国石油化工股份有限公司 | 油井水泥用分散剂及其应用 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01226757A (ja) * | 1988-03-04 | 1989-09-11 | Takemoto Oil & Fat Co Ltd | セメント用分散剤 |
| CA2080906C (en) * | 1990-04-18 | 2004-06-29 | James B. Bloys | Dispersant compositions for subterranean well drilling and completion |
| JP2507280B2 (ja) * | 1991-12-21 | 1996-06-12 | 竹本油脂株式会社 | セメント用分散剤 |
| JP2628486B2 (ja) * | 1992-09-30 | 1997-07-09 | 竹本油脂株式会社 | セメント用分散剤 |
| JP2646449B2 (ja) * | 1992-09-30 | 1997-08-27 | 株式会社竹中工務店 | 超高強度水硬性セメント組成物 |
| TW419447B (en) * | 1996-02-22 | 2001-01-21 | Nippon Catalytic Chem Ind | Cement composition |
| KR100247527B1 (ko) * | 1996-04-03 | 2000-03-15 | 겐지 아이다 | 시멘트분산방법및시멘트조성물 |
| DE69725266T2 (de) * | 1996-06-21 | 2004-07-22 | Kao Corp. | Betonzusatzmittel |
| JP3181226B2 (ja) * | 1996-06-28 | 2001-07-03 | 竹本油脂株式会社 | 水硬性セメント組成物用流動性低下防止剤及び水硬性セメント組成物の流動性低下防止方法 |
| EP0838444B1 (en) * | 1996-10-27 | 2003-07-09 | Sika Schweiz AG | Dispersing agent for high-flow or self-compacting concrete |
| US6174980B1 (en) * | 1996-12-26 | 2001-01-16 | Nippon Shokubai Co., Ltd. | Cement dispersant, method for producing polycarboxylic acid for cement dispersant and cement composition |
-
1999
- 1999-01-29 KR KR1019990002884A patent/KR100552922B1/ko not_active Expired - Lifetime
- 1999-02-05 TW TW088101770A patent/TW506953B/zh not_active IP Right Cessation
- 1999-02-17 US US09/251,927 patent/US6176921B1/en not_active Expired - Lifetime
- 1999-03-03 EP EP99301578A patent/EP0940374B1/en not_active Expired - Lifetime
- 1999-03-03 DE DE69942472T patent/DE69942472D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69942472D1 (de) | 2010-07-22 |
| EP0940374A1 (en) | 1999-09-08 |
| US6176921B1 (en) | 2001-01-23 |
| TW506953B (en) | 2002-10-21 |
| KR100552922B1 (ko) | 2006-02-22 |
| EP0940374B1 (en) | 2010-06-09 |
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