NO301125B1 - Randomisert kopolymer samt sementholdige blandinger omfattende den nevnte kopolymer - Google Patents
Randomisert kopolymer samt sementholdige blandinger omfattende den nevnte kopolymer Download PDFInfo
- Publication number
- NO301125B1 NO301125B1 NO915105A NO915105A NO301125B1 NO 301125 B1 NO301125 B1 NO 301125B1 NO 915105 A NO915105 A NO 915105A NO 915105 A NO915105 A NO 915105A NO 301125 B1 NO301125 B1 NO 301125B1
- Authority
- NO
- Norway
- Prior art keywords
- copolymer
- ratio
- formula
- residue
- stated
- Prior art date
Links
- 229920001577 copolymer Polymers 0.000 title claims description 32
- 239000000203 mixture Substances 0.000 title claims description 18
- -1 polysiloxane residue Polymers 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 8
- 229920001515 polyalkylene glycol Polymers 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 7
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 14
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 11
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 9
- 239000004568 cement Substances 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 6
- 229920001400 block copolymer Polymers 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 229920001983 poloxamer Polymers 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000011976 maleic acid Substances 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- DOKHEARVIDLSFF-UHFFFAOYSA-N prop-1-en-1-ol Chemical group CC=CO DOKHEARVIDLSFF-UHFFFAOYSA-N 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- DTPCFIHYWYONMD-UHFFFAOYSA-N decaethylene glycol Polymers OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO DTPCFIHYWYONMD-UHFFFAOYSA-N 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920005604 random copolymer Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical group COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000008064 anhydrides Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 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 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 125000001142 dicarboxylic acid group Chemical group 0.000 description 1
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229960003505 mequinol Drugs 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/14—Esterification
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Silicon Polymers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4042182 | 1990-12-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO915105D0 NO915105D0 (no) | 1991-12-27 |
NO915105L NO915105L (no) | 1992-06-30 |
NO301125B1 true NO301125B1 (no) | 1997-09-15 |
Family
ID=6421658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO915105A NO301125B1 (no) | 1990-12-29 | 1991-12-27 | Randomisert kopolymer samt sementholdige blandinger omfattende den nevnte kopolymer |
Country Status (8)
Country | Link |
---|---|
JP (1) | JP2766807B2 (fr) |
AT (1) | AT405934B (fr) |
CH (1) | CH682237A5 (fr) |
DE (1) | DE4142388C2 (fr) |
FR (1) | FR2671090B1 (fr) |
IT (1) | IT1250077B (fr) |
NO (1) | NO301125B1 (fr) |
SE (1) | SE506652C2 (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH686780A5 (de) * | 1992-07-22 | 1996-06-28 | Sandoz Ag | Fliessfaehige Zementmischungen. |
AT399340B (de) * | 1993-02-01 | 1995-04-25 | Chemie Linz Gmbh | Copolymere auf basis von maleinsäurederivaten und vinylmonomeren, deren herstellung und verwendung |
US5573589A (en) * | 1993-03-10 | 1996-11-12 | Sandoz Ltd. | Cement compositions containing a sulfated polysaccharide and method |
DE69431645T2 (de) * | 1993-09-08 | 2003-07-10 | Mbt Holding Ag, Zuerich | Zementzusammensetzungen zum schichtförmigen Aufbringen |
IT1279390B1 (it) * | 1993-12-21 | 1997-12-10 | Sandoz Ag | Copolimeri di addizione utili come additivi fluidificanti per miscele cementizie |
GB9421984D0 (en) * | 1994-11-01 | 1994-12-21 | Sandoz Ltd | Improvements in or relating to organic compounds |
DE19513126A1 (de) * | 1995-04-07 | 1996-10-10 | Sueddeutsche Kalkstickstoff | Copolymere auf Basis von Oxyalkylenglykol-Alkenylethern und ungesättigten Dicarbonsäure-Derivaten |
GB9511700D0 (en) * | 1995-06-09 | 1995-08-02 | Sandoz Ltd | Improvements in or relating to organic compounds |
US5770656A (en) * | 1995-09-22 | 1998-06-23 | E.I. Du Pont De Nemours And Company | Partial fluoroesters or thioesters of maleic acid polymers and their use as soil and stain resists |
GB9607570D0 (en) * | 1996-04-12 | 1996-06-12 | Sandoz Ltd | Improvements in or relating to organic compounds |
AT404730B (de) * | 1997-04-07 | 1999-02-25 | Holderchem Ag | Acryl-copolymere und polymerzusammensetzungen sowie deren verwendung als additive oder beimischungen zur verbesserung der eigenschaften von dispersionen und baustoffen |
US6310143B1 (en) * | 1998-12-16 | 2001-10-30 | Mbt Holding Ag | Derivatized polycarboxylate dispersants |
JP4394765B2 (ja) | 1999-02-15 | 2010-01-06 | Basfポゾリス株式会社 | セメント添加剤 |
US6528593B1 (en) | 1999-09-10 | 2003-03-04 | The Dow Chemical Company | Preparing copolymers of carboxylic acid, aromatic vinyl compound and hydrophobic polyalkylene oxide |
FR2815342B1 (fr) | 2000-10-13 | 2003-08-01 | Francais Ciments | Composition cimentaire, son utilisation pour la realisation de chape liquide autonivelante et chape ainsi obtenue |
DE102006062441A1 (de) * | 2006-12-27 | 2008-07-03 | Byk-Chemie Gmbh | Modifizierte Kammcopolymere |
KR100990861B1 (ko) * | 2008-02-26 | 2010-11-01 | 주식회사 제닉 | pH 응답성 폴리에틸렌 옥사이드계 공중합체 및 그 제조방법 |
CN109071345A (zh) * | 2016-04-26 | 2018-12-21 | 陶氏环球技术有限责任公司 | 粘土不敏感混凝土超增塑剂 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL128298C (fr) * | 1960-06-02 | 1900-01-01 | ||
US3392155A (en) * | 1961-08-08 | 1968-07-09 | Sinclair Research Inc | Low molecular weight maleic compound copolymers partially esterified with monohydric polyether alcohols |
NL281797A (fr) * | 1961-08-08 | |||
DE1745555B1 (de) * | 1967-05-10 | 1972-05-25 | Wacker Chemie Gmbh | Verfahren zur herstellung von waessrigen polymerisat-dispersionen |
US3563930A (en) * | 1968-04-01 | 1971-02-16 | Atlantic Richfield Co | Cement composition |
US3544344A (en) * | 1968-04-18 | 1970-12-01 | Sinclair Research Inc | Set retarded plaster composition |
US4655838A (en) * | 1984-09-27 | 1987-04-07 | Idemitsu Petrochemical Co., Ltd. | Cement additive composition |
US4654050A (en) * | 1985-01-18 | 1987-03-31 | The Lubrizol Corporation | Esters of carboxy-containing interpolymers |
DE3514878A1 (de) * | 1985-04-25 | 1986-11-06 | Henkel KGaA, 4000 Düsseldorf | Oelloesliche ester von copolymeren des maleinsaeureanhydrids |
DE3619363A1 (de) * | 1986-06-09 | 1987-12-10 | Brockhues Chem Werke Ag | Verfahren zum einfaerben von beton |
DE3800091A1 (de) * | 1987-08-28 | 1989-07-13 | Sandoz Ag | Copolymere verbindungen, deren herstellung und verwendung |
DE3728786A1 (de) * | 1987-08-28 | 1989-03-09 | Sandoz Ag | Polymere verbindungen, deren herstellung und verwendung |
JP2882648B2 (ja) * | 1989-08-17 | 1999-04-12 | 株式会社クラレ | 熱可塑性水溶性樹脂の製造法 |
JP2747521B2 (ja) * | 1990-08-23 | 1998-05-06 | 株式会社ネオス | 石炭―水スラリー用添加剤 |
-
1991
- 1991-12-18 CH CH3759/91A patent/CH682237A5/de not_active IP Right Cessation
- 1991-12-19 AT AT0251591A patent/AT405934B/de not_active IP Right Cessation
- 1991-12-20 DE DE4142388A patent/DE4142388C2/de not_active Expired - Fee Related
- 1991-12-20 IT ITRM910967A patent/IT1250077B/it active IP Right Grant
- 1991-12-27 SE SE9103844A patent/SE506652C2/sv not_active IP Right Cessation
- 1991-12-27 NO NO915105A patent/NO301125B1/no unknown
- 1991-12-27 JP JP3346186A patent/JP2766807B2/ja not_active Expired - Fee Related
- 1991-12-27 FR FR9116262A patent/FR2671090B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CH682237A5 (en) | 1993-08-13 |
SE9103844L (sv) | 1992-06-30 |
NO915105D0 (no) | 1991-12-27 |
AT405934B (de) | 1999-12-27 |
ATA251591A (de) | 1999-05-15 |
NO915105L (no) | 1992-06-30 |
IT1250077B (it) | 1995-03-30 |
ITRM910967A0 (it) | 1991-12-20 |
JP2766807B2 (ja) | 1998-06-18 |
DE4142388A1 (de) | 1992-07-02 |
FR2671090A1 (fr) | 1992-07-03 |
JPH06211940A (ja) | 1994-08-02 |
ITRM910967A1 (it) | 1993-06-20 |
FR2671090B1 (fr) | 1993-05-07 |
SE9103844D0 (sv) | 1991-12-27 |
DE4142388C2 (de) | 1999-12-09 |
SE506652C2 (sv) | 1998-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5612396A (en) | Copolymers | |
US6063184A (en) | Admixtures for cementitous compositions | |
NO301125B1 (no) | Randomisert kopolymer samt sementholdige blandinger omfattende den nevnte kopolymer | |
US5158996A (en) | Chemically treated anhydride copolymers and cementitious mixtures containing the copolymers | |
JP3664508B2 (ja) | 付加ポリマー | |
US5703174A (en) | Air controlling superplasticizers | |
CA2173570C (fr) | Copolymeres a base d'oxydes alcenyliques d'oxyalkyleneglycol et de derives d'acide dicarboxylique insature | |
CA2342061C (fr) | Polymeres pour adjuvants de dispersion de ciment | |
CA2224782C (fr) | Superplastifiants permettant une regulation de l'air | |
JP4650972B2 (ja) | コンクリートの流動性調整方法 | |
JPH06279082A (ja) | コンクリート混和剤 | |
JPH09142905A (ja) | コンクリート混和剤 | |
JPH08722B2 (ja) | セメント分散剤 | |
JP3618830B2 (ja) | コンクリート混和剤 | |
JPH06144906A (ja) | セメント混和剤 | |
KR0137479B1 (ko) | 시멘트 혼합물의 첨가제로서 사용되는 신규 유기 공중합체 및 이의 제조 방법 | |
JP3617749B2 (ja) | コンクリート混和剤 | |
JPH0725651A (ja) | コンクリート混和剤 | |
JPH06298556A (ja) | セメント用添加剤 | |
JPH06183803A (ja) | セメント混和剤 | |
JPH06157098A (ja) | セメント混和剤 | |
JPH06298557A (ja) | コンクリート混和剤 | |
JPS59162159A (ja) | セメント分散剤 | |
JPH07247147A (ja) | セメント混和剤 | |
JPH10291846A (ja) | セメント混和剤 |