AU737703B2 - Anti-corrosion agent - Google Patents
Anti-corrosion agent Download PDFInfo
- Publication number
- AU737703B2 AU737703B2 AU47749/99A AU4774999A AU737703B2 AU 737703 B2 AU737703 B2 AU 737703B2 AU 47749/99 A AU47749/99 A AU 47749/99A AU 4774999 A AU4774999 A AU 4774999A AU 737703 B2 AU737703 B2 AU 737703B2
- Authority
- AU
- Australia
- Prior art keywords
- acid
- corrosion
- alkyl
- atoms
- general formula
- 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.)
- Ceased
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 45
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 150000003973 alkyl amines Chemical class 0.000 claims abstract description 12
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 29
- 239000004568 cement Substances 0.000 claims description 22
- 230000007797 corrosion Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-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
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 claims description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 4
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 4
- 150000007522 mineralic acids Chemical class 0.000 claims description 3
- 150000007524 organic acids Chemical class 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- KWMLJOLKUYYJFJ-UHFFFAOYSA-N 2,3,4,5,6,7-Hexahydroxyheptanoic acid Chemical compound OCC(O)C(O)C(O)C(O)C(O)C(O)=O KWMLJOLKUYYJFJ-UHFFFAOYSA-N 0.000 claims description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- 239000005711 Benzoic acid Substances 0.000 claims description 2
- 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 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims description 2
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 2
- 235000011054 acetic acid Nutrition 0.000 claims description 2
- 239000001361 adipic acid Substances 0.000 claims description 2
- 235000011037 adipic acid Nutrition 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 235000010323 ascorbic acid Nutrition 0.000 claims description 2
- 229960005070 ascorbic acid Drugs 0.000 claims description 2
- 239000011668 ascorbic acid Substances 0.000 claims description 2
- 235000010233 benzoic acid Nutrition 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims description 2
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 239000000174 gluconic acid Substances 0.000 claims description 2
- 235000012208 gluconic acid Nutrition 0.000 claims description 2
- 238000010348 incorporation Methods 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 2
- 229940005657 pyrophosphoric acid Drugs 0.000 claims description 2
- 229960004889 salicylic acid Drugs 0.000 claims description 2
- 229950000244 sulfanilic acid Drugs 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 230000007423 decrease Effects 0.000 abstract description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 17
- 239000004570 mortar (masonry) Substances 0.000 description 10
- 239000011780 sodium chloride Substances 0.000 description 10
- 239000004567 concrete Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 3
- 241000282320 Panthera leo Species 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 239000011440 grout Substances 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 150000002826 nitrites Chemical class 0.000 description 3
- RAFRTSDUWORDLA-UHFFFAOYSA-N phenyl 3-chloropropanoate Chemical compound ClCCC(=O)OC1=CC=CC=C1 RAFRTSDUWORDLA-UHFFFAOYSA-N 0.000 description 3
- -1 reinforcing bars Substances 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 102100036664 Adenosine deaminase Human genes 0.000 description 2
- 102100025976 Adenosine deaminase 2 Human genes 0.000 description 2
- 102100034112 Alkyldihydroxyacetonephosphate synthase, peroxisomal Human genes 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 101000929495 Homo sapiens Adenosine deaminase Proteins 0.000 description 2
- 101000720051 Homo sapiens Adenosine deaminase 2 Proteins 0.000 description 2
- 101000799143 Homo sapiens Alkyldihydroxyacetonephosphate synthase, peroxisomal Proteins 0.000 description 2
- 101000625338 Homo sapiens Transcriptional adapter 1 Proteins 0.000 description 2
- 101000657352 Homo sapiens Transcriptional adapter 2-alpha Proteins 0.000 description 2
- 101000780338 Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) Adenosine deaminase 1 Proteins 0.000 description 2
- 238000000848 angular dependent Auger electron spectroscopy Methods 0.000 description 2
- 235000015278 beef Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000003760 tallow Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 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
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- OPKOKAMJFNKNAS-UHFFFAOYSA-N N-methylethanolamine Chemical compound CNCCO OPKOKAMJFNKNAS-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000013556 antirust agent Substances 0.000 description 1
- 150000001565 benzotriazoles Chemical class 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- XXUJMEYKYHETBZ-UHFFFAOYSA-N ethyl 4-nitrophenyl ethylphosphonate Chemical compound CCOP(=O)(CC)OC1=CC=C([N+]([O-])=O)C=C1 XXUJMEYKYHETBZ-UHFFFAOYSA-N 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 229940093915 gynecological organic acid Drugs 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000003340 retarding agent Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000008030 superplasticizer Substances 0.000 description 1
- 238000010998 test method 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
- C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
- C04B24/121—Amines, polyamines
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/26—Corrosion of reinforcement resistance
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19101298A JP4216371B2 (ja) | 1998-06-23 | 1998-06-23 | セメント組成物用防錆剤 |
| JP10-191012 | 1998-06-23 | ||
| PCT/EP1999/004293 WO1999067184A1 (en) | 1998-06-23 | 1999-06-22 | Corrosion inhibitor for cement compositions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU4774999A AU4774999A (en) | 2000-01-10 |
| AU737703B2 true AU737703B2 (en) | 2001-08-30 |
Family
ID=16267417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU47749/99A Ceased AU737703B2 (en) | 1998-06-23 | 1999-06-22 | Anti-corrosion agent |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6355100B1 (enExample) |
| EP (1) | EP1094995B1 (enExample) |
| JP (1) | JP4216371B2 (enExample) |
| AT (1) | ATE246156T1 (enExample) |
| AU (1) | AU737703B2 (enExample) |
| DE (1) | DE69910038T2 (enExample) |
| DK (1) | DK1094995T3 (enExample) |
| ES (1) | ES2205847T3 (enExample) |
| PT (1) | PT1094995E (enExample) |
| WO (1) | WO1999067184A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6340438B1 (en) * | 1999-04-19 | 2002-01-22 | Tomahawk, Inc. | Corrosion inhibiting admixture for concrete |
| AU2003901529A0 (en) * | 2003-03-31 | 2003-05-01 | James Hardie International Finance B.V. | A durable high performance fibre cement product and method of making the same |
| MXPA05003691A (es) | 2002-10-07 | 2005-11-17 | James Hardie Int Finance Bv | Material mixto de fibrocemento de densidad media durable. |
| JP4916648B2 (ja) * | 2004-07-02 | 2012-04-18 | 電気化学工業株式会社 | 防錆処理方法 |
| US7998571B2 (en) | 2004-07-09 | 2011-08-16 | James Hardie Technology Limited | Composite cement article incorporating a powder coating and methods of making same |
| EP1731491A1 (fr) * | 2005-06-10 | 2006-12-13 | Lafarge | Compositions de liant rapide pour pièces et ouvrages en béton contenant un sel de calcium |
| WO2007115379A1 (en) | 2006-04-12 | 2007-10-18 | James Hardie International Finance B.V. | A surface sealed reinforced building element |
| US20100286312A1 (en) * | 2009-05-06 | 2010-11-11 | Boral Material Technologies Inc. | Amine Sacrificial Agents and Methods and Products Using Same |
| CN102190455B (zh) * | 2010-03-12 | 2013-01-16 | 中国科学院金属研究所 | 一种掺入型非亚硝酸盐基混凝土钢筋阻锈剂 |
| CN102190454B (zh) * | 2010-03-12 | 2012-10-03 | 中国科学院金属研究所 | 一种掺入型全有机混凝土钢筋阻锈剂 |
| KR101292181B1 (ko) * | 2011-10-27 | 2013-08-01 | 주식회사 삼표 | 폐 석영유리 미분말을 포함한 내구성 증진 콘크리트 조성물 |
| CN103880316B (zh) * | 2014-02-14 | 2016-06-01 | 辽宁科技学院 | 一种掺入型有机糖苷混凝土钢筋阻锈剂和应用 |
| RU2744612C2 (ru) | 2016-03-16 | 2021-03-11 | Констракшн Рисерч Энд Текнолоджи Гмбх | Ингибитор коррозии, наносимый на поверхность |
| CN110183136B (zh) * | 2019-06-04 | 2022-01-04 | 福建省建筑科学研究院有限责任公司 | 一种混凝土防腐阻锈剂及其制备方法 |
| KR102322648B1 (ko) * | 2020-02-14 | 2021-11-09 | 맥스콘소재 주식회사 | 철근콘크리트 방청용 조성물 및 이의 제조방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4789523A (en) * | 1987-07-23 | 1988-12-06 | Westvaco Corporation | Cationic and anionic lignin amines corrosion inhibitors |
| JPH01164746A (ja) * | 1987-12-18 | 1989-06-28 | Chiyoda Kagaku Kenkyusho:Kk | モルタル又はコンクリート用防錆剤 |
| EP0474117A1 (en) * | 1990-09-04 | 1992-03-11 | IBC Manufacturing Company | Compositions |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5709739A (en) * | 1994-01-10 | 1998-01-20 | Henkel Kommanditgesellschaft Auf Aktien | Release agents for hydraulic binders |
-
1998
- 1998-06-23 JP JP19101298A patent/JP4216371B2/ja not_active Expired - Fee Related
-
1999
- 1999-06-22 EP EP99931123A patent/EP1094995B1/en not_active Expired - Lifetime
- 1999-06-22 AU AU47749/99A patent/AU737703B2/en not_active Ceased
- 1999-06-22 DK DK99931123T patent/DK1094995T3/da active
- 1999-06-22 US US09/701,472 patent/US6355100B1/en not_active Expired - Fee Related
- 1999-06-22 ES ES99931123T patent/ES2205847T3/es not_active Expired - Lifetime
- 1999-06-22 WO PCT/EP1999/004293 patent/WO1999067184A1/en not_active Ceased
- 1999-06-22 DE DE69910038T patent/DE69910038T2/de not_active Expired - Fee Related
- 1999-06-22 AT AT99931123T patent/ATE246156T1/de not_active IP Right Cessation
- 1999-06-22 PT PT99931123T patent/PT1094995E/pt unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4789523A (en) * | 1987-07-23 | 1988-12-06 | Westvaco Corporation | Cationic and anionic lignin amines corrosion inhibitors |
| JPH01164746A (ja) * | 1987-12-18 | 1989-06-28 | Chiyoda Kagaku Kenkyusho:Kk | モルタル又はコンクリート用防錆剤 |
| EP0474117A1 (en) * | 1990-09-04 | 1992-03-11 | IBC Manufacturing Company | Compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2205847T3 (es) | 2004-05-01 |
| ATE246156T1 (de) | 2003-08-15 |
| JP4216371B2 (ja) | 2009-01-28 |
| JP2000007401A (ja) | 2000-01-11 |
| EP1094995A1 (en) | 2001-05-02 |
| EP1094995B1 (en) | 2003-07-30 |
| DK1094995T3 (da) | 2003-09-08 |
| DE69910038T2 (de) | 2004-04-15 |
| PT1094995E (pt) | 2003-12-31 |
| DE69910038D1 (de) | 2003-09-04 |
| WO1999067184A1 (en) | 1999-12-29 |
| US6355100B1 (en) | 2002-03-12 |
| AU4774999A (en) | 2000-01-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU737703B2 (en) | Anti-corrosion agent | |
| JPS644975B2 (enExample) | ||
| US5340385A (en) | Hydraulic cement set-accelerating admixtures incorporating glycols | |
| JP5000796B2 (ja) | 水硬性結合材の収縮を低減するための方法 | |
| US5527388A (en) | Corrosion inhibiting formulations with calcium nitrite | |
| JP3015674B2 (ja) | 建築材料中の金属の腐食を阻害するための添加物及び方法並びにその添加物を含む建築材料 | |
| US5348583A (en) | Hydraulic cement set-accelerating admixtures incorporating glycols | |
| AU582203B2 (en) | Additive for hydraulic cement mixes | |
| US5326396A (en) | Low shrinkage cement composition | |
| JPS61141649A (ja) | セメント組成物 | |
| CA1278797C (en) | Concrete admixture compositions | |
| JPS6148480A (ja) | 水硬セメント組成物 | |
| WO1999002465A1 (en) | Set-accelerating mixture for concrete | |
| JPS6221742A (ja) | セメント組成物 | |
| AU565349B2 (en) | Admixture for hydraulic cement mixes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) |