JP2016087852A - レディーミクストコンクリートの製造方法、および、レディーミクストコンクリート - Google Patents
レディーミクストコンクリートの製造方法、および、レディーミクストコンクリート Download PDFInfo
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- JP2016087852A JP2016087852A JP2014222296A JP2014222296A JP2016087852A JP 2016087852 A JP2016087852 A JP 2016087852A JP 2014222296 A JP2014222296 A JP 2014222296A JP 2014222296 A JP2014222296 A JP 2014222296A JP 2016087852 A JP2016087852 A JP 2016087852A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 120
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract description 33
- 150000003839 salts Chemical class 0.000 claims abstract description 11
- 229920001577 copolymer Polymers 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 7
- 239000000178 monomer Substances 0.000 claims description 60
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 45
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 8
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 6
- 125000002252 acyl group Chemical group 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 5
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 5
- 239000011976 maleic acid Substances 0.000 claims description 5
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 claims description 3
- 239000001530 fumaric acid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 3
- 125000005702 oxyalkylene group Chemical group 0.000 claims description 3
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 abstract description 29
- 239000000126 substance Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 51
- 229920000642 polymer Polymers 0.000 description 41
- 239000004568 cement Substances 0.000 description 20
- 238000004898 kneading Methods 0.000 description 17
- 239000002585 base Substances 0.000 description 12
- 230000000740 bleeding effect Effects 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 9
- 230000003247 decreasing effect Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 125000005395 methacrylic acid group Chemical group 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical class CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
Claims (3)
- フレッシュ状態のレディーミクストコンクリートに混和剤を後添加するレディーミクストコンクリートの製造方法であって、
前記混和剤は、カルボン酸及びその塩の量が酢酸換算で0.1〜6重量%であるポリカルボン酸系共重合体を主成分として含有していることを特徴とするレディーミクストコンクリートの製造方法。 - 前記混和剤は、一般式(I)で示される下記の単量体Aから形成された構成単位と単量体Bから形成された構成単位を有する前記ポリカルボン系酸共重合体を必須成分として含み、
前記単量体Bは、(メタ)アクリル酸、クロトン酸、(無水)マレイン酸、フマル酸、(無水)イタコン酸、およびそれらの塩から選ばれる1種又は2種以上であることを特徴とする請求項1に記載のレディーミクストコンクリートの製造方法。
一般式(I)
- 請求項1または2に記載のレディーミクストコンクリートの製造方法で製造されたことを特徴とするレディーミクストコンクリート。
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JP2014222296A JP6872306B2 (ja) | 2014-10-31 | 2014-10-31 | レディーミクストコンクリートの製造方法、および、レディーミクストコンクリート |
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JP2014222296A JP6872306B2 (ja) | 2014-10-31 | 2014-10-31 | レディーミクストコンクリートの製造方法、および、レディーミクストコンクリート |
Publications (2)
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JP2016087852A true JP2016087852A (ja) | 2016-05-23 |
JP6872306B2 JP6872306B2 (ja) | 2021-05-19 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0664956A (ja) * | 1992-08-18 | 1994-03-08 | Kao Corp | セメント混和剤 |
JP2007105899A (ja) * | 2005-10-11 | 2007-04-26 | Kao Corp | コンクリートの製造方法 |
JP2009001479A (ja) * | 2007-05-22 | 2009-01-08 | Kao Corp | 水硬性組成物用分散保持剤 |
JP2011020322A (ja) * | 2009-07-15 | 2011-02-03 | Fujita Corp | 不分離・流動化コンクリートの製造方法 |
JP2013082560A (ja) * | 2011-10-05 | 2013-05-09 | Toho Chem Ind Co Ltd | 水硬性組成物用混和剤 |
JP2014094846A (ja) * | 2012-11-08 | 2014-05-22 | Construction Research & Technology Gmbh | 流動化コンクリートの製造方法 |
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2014
- 2014-10-31 JP JP2014222296A patent/JP6872306B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0664956A (ja) * | 1992-08-18 | 1994-03-08 | Kao Corp | セメント混和剤 |
JP2007105899A (ja) * | 2005-10-11 | 2007-04-26 | Kao Corp | コンクリートの製造方法 |
JP2009001479A (ja) * | 2007-05-22 | 2009-01-08 | Kao Corp | 水硬性組成物用分散保持剤 |
JP2013010690A (ja) * | 2007-05-22 | 2013-01-17 | Kao Corp | 水硬性組成物用分散保持剤 |
JP2011020322A (ja) * | 2009-07-15 | 2011-02-03 | Fujita Corp | 不分離・流動化コンクリートの製造方法 |
JP2013082560A (ja) * | 2011-10-05 | 2013-05-09 | Toho Chem Ind Co Ltd | 水硬性組成物用混和剤 |
JP2014094846A (ja) * | 2012-11-08 | 2014-05-22 | Construction Research & Technology Gmbh | 流動化コンクリートの製造方法 |
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