NO314995B1 - Ligninsulfonat betongtilsetningsstoff - Google Patents

Ligninsulfonat betongtilsetningsstoff Download PDF

Info

Publication number: NO314995B1
Authority: NO; Norway
Prior art keywords: concrete additive; copolymer; additive according; metal carboxylate; sulfonate
Prior art date: 1996-11-29

Application number

NO19965105A

Other languages

English (en)

Norwegian (no)

Other versions

NO965105L (no

NO965105D0 (no

Inventor

Theodor A Buerge

Irene Schober

Urs Maeder

Original Assignee

Sika Ag

Priority date (The priority date 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 date listed.)

1996-11-29

Filing date

1996-11-29

Publication date

2003-06-23

1996-11-29 Application filed by Sika Ag filed Critical Sika Ag

1996-11-29 Priority to NO19965105A priority Critical patent/NO314995B1/no

1996-11-29 Publication of NO965105D0 publication Critical patent/NO965105D0/no

1997-08-30 Priority to EP97115059A priority patent/EP0845444B1/de

1997-08-30 Priority to AT97115059T priority patent/ATE212325T1/de

1997-08-30 Priority to ES97115059T priority patent/ES2168555T3/es

1997-08-30 Priority to DE69710035T priority patent/DE69710035T2/de

1997-08-30 Priority to PT97115059T priority patent/PT845444E/pt

1997-08-30 Priority to DK97115059T priority patent/DK0845444T3/da

1997-11-06 Priority to JP9304384A priority patent/JPH10167788A/ja

1997-11-28 Priority to TR97/01454A priority patent/TR199701454A2/xx

1998-06-02 Publication of NO965105L publication Critical patent/NO965105L/no

2003-06-23 Publication of NO314995B1 publication Critical patent/NO314995B1/no

Links

239000004567 concrete Substances 0.000 title claims abstract description 16
229920001732 Lignosulfonate Polymers 0.000 title claims abstract description 12
239000000654 additive Substances 0.000 title claims description 13
230000000996 additive effect Effects 0.000 title claims description 11
239000000203 mixture Substances 0.000 claims abstract description 18
239000000243 solution Substances 0.000 claims description 21
-1 N-substituted maleamic acid Chemical class 0.000 claims description 19
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 18
229920001577 copolymer Polymers 0.000 claims description 12
239000007864 aqueous solution Substances 0.000 claims description 6
125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 6
229910052783 alkali metal Inorganic materials 0.000 claims description 5
229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical class O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 claims description 4
JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 claims description 3
229920005610 lignin Polymers 0.000 claims description 3
229920005684 linear copolymer Polymers 0.000 claims description 3
GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 claims description 2
YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical group C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 claims description 2
125000003277 amino group Chemical group 0.000 claims description 2
QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
239000002518 antifoaming agent Substances 0.000 claims description 2
125000003118 aryl group Chemical group 0.000 claims description 2
150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
239000003795 chemical substances by application Substances 0.000 claims description 2
239000001257 hydrogen Substances 0.000 claims description 2
229910052739 hydrogen Inorganic materials 0.000 claims description 2
125000004356 hydroxy functional group Chemical group O* 0.000 claims description 2
229910021645 metal ion Inorganic materials 0.000 claims description 2
150000002823 nitrates Chemical class 0.000 claims description 2
150000002826 nitrites Chemical class 0.000 claims description 2
229910052757 nitrogen Inorganic materials 0.000 claims description 2
125000004433 nitrogen atom Chemical group N* 0.000 claims description 2
150000003009 phosphonic acids Chemical class 0.000 claims description 2
239000000843 powder Substances 0.000 claims description 2
BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims description 2
125000000542 sulfonic acid group Chemical group 0.000 claims description 2
239000004094 surface-active agent Substances 0.000 claims description 2
150000003567 thiocyanates Chemical class 0.000 claims description 2
WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims 1
230000000979 retarding effect Effects 0.000 abstract description 2
229920003169 water-soluble polymer Polymers 0.000 abstract description 2
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
229920000642 polymer Polymers 0.000 description 13
239000004568 cement Substances 0.000 description 9
238000012360 testing method Methods 0.000 description 9
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 6
238000003756 stirring Methods 0.000 description 6
230000000694 effects Effects 0.000 description 5
XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 5
239000007787 solid Substances 0.000 description 5
DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 4
239000003638 chemical reducing agent Substances 0.000 description 4
238000001816 cooling Methods 0.000 description 4
239000002270 dispersing agent Substances 0.000 description 4
FSQQTNAZHBEJLS-UPHRSURJSA-N maleamic acid Chemical compound NC(=O)\C=C/C(O)=O FSQQTNAZHBEJLS-UPHRSURJSA-N 0.000 description 4
SQAINHDHICKHLX-UHFFFAOYSA-N 1-naphthaldehyde Chemical class C1=CC=C2C(C=O)=CC=CC2=C1 SQAINHDHICKHLX-UHFFFAOYSA-N 0.000 description 3
238000007334 copolymerization reaction Methods 0.000 description 3
SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 3
239000000178 monomer Substances 0.000 description 3
238000006116 polymerization reaction Methods 0.000 description 3
150000003254 radicals Chemical class 0.000 description 3
159000000000 sodium salts Chemical class 0.000 description 3
HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 description 2
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical group CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
239000004471 Glycine Substances 0.000 description 2
239000003054 catalyst Substances 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
239000008367 deionised water Substances 0.000 description 2
229910021641 deionized water Inorganic materials 0.000 description 2
239000011396 hydraulic cement Substances 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
238000007127 saponification reaction Methods 0.000 description 2
HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 2
239000004296 sodium metabisulphite Substances 0.000 description 2
235000010262 sodium metabisulphite Nutrition 0.000 description 2
IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical compound NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 2
JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 2
IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical class OC=C IMROMDMJAWUWLK-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
239000011398 Portland cement Substances 0.000 description 1
239000002253 acid Substances 0.000 description 1
238000001632 acidimetric titration Methods 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
150000001412 amines Chemical class 0.000 description 1
150000001414 amino alcohols Chemical class 0.000 description 1
159000000007 calcium salts Chemical class 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000007423 decrease Effects 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
239000011790 ferrous sulphate Substances 0.000 description 1
235000003891 ferrous sulphate Nutrition 0.000 description 1
238000003682 fluorination reaction Methods 0.000 description 1
238000004128 high performance liquid chromatography Methods 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
239000003999 initiator Substances 0.000 description 1
229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
238000000034 method Methods 0.000 description 1
239000004570 mortar (masonry) Substances 0.000 description 1
239000004014 plasticizer Substances 0.000 description 1
239000002685 polymerization catalyst Substances 0.000 description 1
229920002689 polyvinyl acetate Polymers 0.000 description 1
229920002451 polyvinyl alcohol Polymers 0.000 description 1
235000019422 polyvinyl alcohol Nutrition 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
230000009257 reactivity Effects 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
KSVSZLXDULFGDQ-UHFFFAOYSA-M sodium;4-aminobenzenesulfonate Chemical compound [Na+].NC1=CC=C(S([O-])(=O)=O)C=C1 KSVSZLXDULFGDQ-UHFFFAOYSA-M 0.000 description 1
229950000244 sulfanilic acid Drugs 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
239000000725 suspension Substances 0.000 description 1
230000036962 time dependent Effects 0.000 description 1
STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 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
- 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
- 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
- C04B24/18—Lignin sulfonic acid or derivatives thereof, e.g. sulfite lye
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
Materials Engineering (AREA)
Structural Engineering (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Curing Cements, Concrete, And Artificial Stone (AREA)
Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Compositions Of Macromolecular Compounds (AREA)
Chemical And Physical Treatments For Wood And The Like (AREA)
Compounds Of Unknown Constitution (AREA)
Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

NO19965105A 1996-11-29 1996-11-29 Ligninsulfonat betongtilsetningsstoff NO314995B1 (no)

Priority Applications (9)

Application Number	Priority Date	Filing Date	Title
NO19965105A NO314995B1 (no)	1996-11-29	1996-11-29	Ligninsulfonat betongtilsetningsstoff
DK97115059T DK0845444T3 (da)	1996-11-29	1997-08-30	Forbedrede ligninsulfonatadditiver til beton
DE69710035T DE69710035T2 (de)	1996-11-29	1997-08-30	Ligninsulfonatzusatzmittel für Beton
AT97115059T ATE212325T1 (de)	1996-11-29	1997-08-30	Ligninsulfonatzusatzmittel für beton
ES97115059T ES2168555T3 (es)	1996-11-29	1997-08-30	Mezclas de hormigon con sulfonato de lignina mejoradas.
EP97115059A EP0845444B1 (de)	1996-11-29	1997-08-30	Ligninsulfonatzusatzmittel für Beton
PT97115059T PT845444E (pt)	1996-11-29	1997-08-30	Adjuvantes para betao melhorados a base de ligninossulfonato
JP9304384A JPH10167788A (ja)	1996-11-29	1997-11-06	改良されたリグニンスルホネートコンクリート添加剤
TR97/01454A TR199701454A2 (xx)	1996-11-29	1997-11-28	Geli�tirilmi� linyins�lfonatl� beton katk� maddeleri

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NO19965105A NO314995B1 (no)	1996-11-29	1996-11-29	Ligninsulfonat betongtilsetningsstoff

Publications (3)

Publication Number	Publication Date
NO965105D0 NO965105D0 (no)	1996-11-29
NO965105L NO965105L (no)	1998-06-02
NO314995B1 true NO314995B1 (no)	2003-06-23

Family

ID=19900125

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO19965105A NO314995B1 (no)	1996-11-29	1996-11-29	Ligninsulfonat betongtilsetningsstoff

Country Status (9)

Country	Link
EP (1)	EP0845444B1 (de)
JP (1)	JPH10167788A (de)
AT (1)	ATE212325T1 (de)
DE (1)	DE69710035T2 (de)
DK (1)	DK0845444T3 (de)
ES (1)	ES2168555T3 (de)
NO (1)	NO314995B1 (de)
PT (1)	PT845444E (de)
TR (1)	TR199701454A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2002090286A1 (en)	2001-05-04	2002-11-14	Alpb - Aditivos E Ligantes Para Betões, Lda.	Lignosulfonate-based plasticizer admixtures
RU2247092C1 (ru)	2003-12-03	2005-02-27	Цельнер Михаил Ефимович	Бетонная смесь и добавка для бетонной смеси "лигнопан б- 2"
US9309152B2 (en) *	2011-08-10	2016-04-12	Sika Technology Ag	Process for drying concrete dispersants
EP2565172A1 (de) *	2011-08-30	2013-03-06	Sika Technology AG	Mittelbereichswasserreduktionsmittel (MRWR) für Beton
MX372643B (es) *	2011-08-30	2020-06-15	Sika Tech Ag	Reductores de agua de medio rango (mrwr) para hormigon.
CN110344042A (zh) *	2019-07-19	2019-10-18	浙江瑞浦科技有限公司	一种带肋不锈钢钢筋的表面处理方法
WO2025254140A1 (ja) *	2024-06-05	2025-12-11	株式会社クラレ	変性ポリビニルアルコールの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4906298A (en) *	1984-12-21	1990-03-06	Nippon Zeon Co., Ltd.	Hydraulic cement composition
JPS61183157A (ja) *	1985-02-08	1986-08-15	花王株式会社	セメント添加剤
DE3723158A1 (de) *	1987-07-14	1989-01-26	Biedron Betonsteinstudio	Zusatzmittel fuer beton
JPH0654957A (ja) *	1992-08-11	1994-03-01	Daiichi Shokai Co Ltd	カード式パチンコ機
DK0604676T3 (da) *	1992-12-28	1997-07-28	Sika Ag	Vandopløselige copolymerer af vinylacetat og maleaminsyrer, anvendelse heraf som fluidiseringsmidler eller "high range" vandreduktionsmidler til vandige suspensioner
JP3420274B2 (ja) *	1993-04-05	2003-06-23	ダブリュー・アール・グレース・アンド・カンパニー−コーン	流動性低下防止に優れた新規なセメント分散剤組成物

1996
- 1996-11-29 NO NO19965105A patent/NO314995B1/no not_active IP Right Cessation
1997
- 1997-08-30 DE DE69710035T patent/DE69710035T2/de not_active Expired - Lifetime
- 1997-08-30 EP EP97115059A patent/EP0845444B1/de not_active Expired - Lifetime
- 1997-08-30 PT PT97115059T patent/PT845444E/pt unknown
- 1997-08-30 DK DK97115059T patent/DK0845444T3/da active
- 1997-08-30 AT AT97115059T patent/ATE212325T1/de not_active IP Right Cessation
- 1997-08-30 ES ES97115059T patent/ES2168555T3/es not_active Expired - Lifetime
- 1997-11-06 JP JP9304384A patent/JPH10167788A/ja active Pending
- 1997-11-28 TR TR97/01454A patent/TR199701454A2/xx unknown

Also Published As

Publication number	Publication date
NO965105L (no)	1998-06-02
NO965105D0 (no)	1996-11-29
DE69710035T2 (de)	2002-11-14
ATE212325T1 (de)	2002-02-15
EP0845444A1 (de)	1998-06-03
PT845444E (pt)	2002-06-28
ES2168555T3 (es)	2002-06-16
JPH10167788A (ja)	1998-06-23
DK0845444T3 (da)	2002-05-06
TR199701454A2 (xx)	1998-06-22
DE69710035D1 (de)	2002-03-14
EP0845444B1 (de)	2002-01-23

Legal Events

Date	Code	Title	Description
2010-06-28	MM1K	Lapsed by not paying the annual fees

Publication	Publication Date	Title
US5162402A (en)	1992-11-10	Slump retaining agent
US5798425A (en)	1998-08-25	Co-polymers based on oxyalkyleneglycol alkenyl ethers and unsaturated dicarboxylic acid derivatives
JP2602978B2 (ja)	1997-04-23	水溶性コポリマ−
US7271214B2 (en)	2007-09-18	Cement dispersant and methods of making and using the same
EP0612702B1 (de)	1996-11-27	Betonverflüssiger ohne Verarbeitbarkeitverlust
US5633310A (en)	1997-05-27	Water-soluble copolymers of vinylacetate and maleamic acids and use as fluidizers high-range water-reducers for aqueous suspensions
US6043329A (en)	2000-03-28	Acrylic copolymers
CA1304850C (en)	1992-07-07	Cement dispersant
WO1997047566A1 (en)	1997-12-18	Polymers based on maleic imides and cementitions compositions comprising the same
JP3278391B2 (ja)	2002-04-30	セメント用分散剤
GB2329390A (en)	1999-03-24	Cement dispersants
HK1006449B (en)	1999-02-26	Zero slump-loss superplasticizer
SI9400051A (en)	1994-09-30	Copolymers on basis of maleic acid derivatives and vinyl monomers, their preparation and use
JP2009520843A (ja)	2009-05-28	不飽和モノカルボン酸誘導体またはジカルボン酸誘導体およびオキシアルキレングリコール−アルケニルエーテルをベースとするコポリマー、その製造法およびその使用
NO314995B1 (no)	2003-06-23	Ligninsulfonat betongtilsetningsstoff
JPH10158051A (ja)	1998-06-16	副生石膏・水スラリー及びその製造方法
US6176921B1 (en)	2001-01-23	Cement dispersants and method of producing concrete by using same
JPS6339906A (ja)	1988-02-20	セメント添加剤
JP2869662B2 (ja)	1999-03-10	セメント混和剤
JP3049840B2 (ja)	2000-06-05	水溶性マレイン酸系共重合体
JPH04254452A (ja)	1992-09-09	石膏スラリー用減水剤
JPH0578156A (ja)	1993-03-30	セメント混和剤
JPH10314570A (ja)	1998-12-02	分散剤
JPH01103938A (ja)	1989-04-21	スランプロス低減型混和剤およびこれを用いた組成物
JPH0327505B2 (de)	1991-04-16