CN1721361A - 多功能型羧酸类梳形接枝共聚物混凝土超塑化剂 - Google Patents
多功能型羧酸类梳形接枝共聚物混凝土超塑化剂 Download PDFInfo
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单体名称 | 简称 | 单体名称 | 简称 |
丙烯酸甲基丙烯酸丁基二乙二醇二病二醇单甲基丙烯酸酯(n=4)甲氧基聚乙二醇单甲基丙烯酸酯(n=9)甲氧基聚乙二醇单甲基丙烯酸酯(n=12)甲氧基聚乙二醇单丙烯酸酯(n=17)甲氧基聚乙二醇单丙烯酸酯(n=33) | A-1A-2B-1B-2B-3B-4C-1 | 甲氧基聚乙二醇单甲基丙烯酸酯(n=68)甲氧基聚乙二醇单甲基丙烯酸酯(n=113)甲氧基聚乙二醇单甲基丙烯酸酯(n=181)烯丙基磺酸钠甲基烯丙基磺酸钠丙烯酸甲酯丙烯酸羟丙酯 | C-2C-3C-4D-1D-2F-1F-2 |
消泡功能性大单体 | 聚醚结构 | |||
R7 | q | p+r | M | |
E-1E-2E-3 | C4H9C9H19C6H5 | 163060 | 0310 | 100220164014 |
共聚物编号 | 分子量(Mw) | 净浆流动度变化,mm | ||
0min | 60min | |||
实施例 | P-1P-2P-3 | 49,00037,00013,000 | 210258265 | 240265130 |
比较例 | P-4 | 135,000 | 100 | 60 |
共聚物编号 | 静止一段时间后的稳定性 | ||||
1d | 1week | 1month | 3month | ||
实施例 | P-1P-5P-6P-7P-8 | 均匀均匀均匀均匀均匀 | 均匀均匀均匀均匀均匀 | 均匀均匀均匀均匀均匀 | 均匀均匀均匀均匀均匀 |
比较例 | P-10P-11 | 均匀均匀 | 均匀 | 表面漂浮表面漂浮 | 表面漂浮 |
共聚物编号 | 水灰比 | 坍落度,cm | 含气量(%) | 强度发展变化(MPa) | ||||
0min | 60min | R3 | R7 | R28 | ||||
实施例 | P-1P-5P-6P-7P-8 | 0.410.420.430.4080.405 | 21.020.518.520.821.5 | 20.521.015.521.220.8 | 2.52.62.32.32.2 | 34.530.230.435.736.4 | 47.042.542.049.150.4 | 67.861.359.168.370.5 |
比较例 | P-9 | 0.43 | 19.5 | 14.3 | 9.2 | 20.8 | 31.5 | 43.2 |
外加剂编号 | 单体种类及其所占重量比 | Mw | |||||||||||
(A) | % | (B) | % | (C) | % | (D) | % | (F) | % | (E) | % | ||
SP-1SP-2SP-3SP-4SP-5SP-6SP-7SP-8SP-9SP-10 | A-1A-1A-1A-1A-2A-1A-1,A-2A-2A-1A-1 | 28282022101920231540 | B-1B-1B-1B-1,B-4B-3B-3B-2B-3-B-4 | 1525554550454065042 | C-3C-3C-3C-2C-1C-2C-4C-3C-3C-3 | 4737152120282707710 | D-1D-1D-1D-1D-2D-2D-2D-1D-1D-1 | 10101076881288 | ---F-2F-2-F-1--- | 000514.005.0000 | E-1E-1E-1E-2E-3E-3E-2E-2E-2E-2 | 0.60.60.50.50.50.50.50.50.50.5 | 39000320003500042000370004400043000280003800035000 |
外加剂编号 | 水灰比 | 含气量(%) | 坍落度经时变化,cm | 凝结时间h:min | 泌水率,% | R28MPa | ||||
0min | 60min | 90min | 初凝 | 终凝 | ||||||
实施例 | SP-1SP-2SP-3SP-4SP-5SP-6SP-7 | 0.410.420.440.400.440.390.38 | 2.72.62.92.72.82.72.6 | 19.5/4220/4519.5/4220/4519/3820/4220/45 | 16.5/3219.5/3720.8/4821/5020.54819.5/3818/35 | 12.017.520.5/4020.5/4520.5/4318.5/3416.5 | 8:138:409:109:208:509:259:00 | 11:0511:3011:5512:2512:0512:3011:50 | 01.2000.500 | 75.571.764.382.377.582.881.0 |
比较例 | SP-8SP-9SP-10 | 0.460.380.42 | 3.22.52.7 | 18.5/3820/4821/50 | 21/4714.57.5 | 21/5073 | 9:307:2510:15 | 12:5010:1013:50 | 2.303.5 | 55.879.566.7 |
掺量(%) | 水灰比 | 减水率(%) | 含气量(%) | 坍落度/扩展度经时变化,cm | 凝结时间h:min | 抗压强度(MPa )/强度比(%) | |||||
0min | 60min | 90min | 初凝 | 终凝 | R3 | R7 | R28 | ||||
/0.150.180.200.250.300.350.40 | 0.550.430.400.3950.3900.380.3750.375 | /21.827.328.229.130.931.831.8 | 1.41.92.12.52.92.93.13.3 | 18.517.5/3120.0/3918.0/3120.0/3919.0/3819.2/42.019.5/40.0 | -17.0/3119.0/3819.0/3421.0/4419.0/45.520.5/48.019.0/47.0 | -13.517.5/3219.5/3520.5/4220.5/4821.5/4521/45 | 7:1510:2010:2010:2511:1012:0013:2515:15 | 9:1513:1013:3013:5014:4015:1016:4218:00 | 28.9/10046.5/16160.0/20863.0/21865.0/22567.0/23272.6/26670.0/242 | 35.0/10059.7/17171.7/20574.7/21375.1/21473.5/21077.0/20775.3/215 | 37.4/10065.4/17578.5/21083.9/22485.9/23080.4/21583.0/22278.4/210 |
外加剂编号 | 水灰比 | 相对收缩率变化(×10-6) | ||||||||
1d | 3d | 7d | 14d | 21d | 28d | 35d | 60d | |||
实施例 | SP-1SP-2SP-3SP-4 | 0.4350.450.460.43 | 25.124.6916.4718.32 | 53.2847.3342.5345.78 | 85.9581.2375.4376.91 | 137.44127.38113.55121.48 | 152.45146.37135.28141.36 | 188.75174.53160.82161.46 | 201.02184.13171.56173.55 | 233.43221.38213.45212.97 |
比较例 | SP-9FDN | 0.410.45 | 27.4629.11 | 64.6665.66 | 97.19112.81 | 164.59174.32 | 197.18213.25 | 232.32239.79 | 244.57257.32 | 282.23301.92 |
基准混凝土 | 0.58 | 13.89 | 45.38 | 79.91 | 141.96 | 177.07 | 205.32 | 221.14 | 259.73 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100436359C (zh) * | 2006-09-30 | 2008-11-26 | 江苏博特新材料有限公司 | 一种羧酸类接枝共聚物混凝土外加剂含气量的控制方法 |
CN100450959C (zh) * | 2007-06-18 | 2009-01-14 | 江苏博特新材料有限公司 | 聚醚类超早强型混凝土超塑化剂 |
CN101475671B (zh) * | 2009-01-12 | 2010-06-09 | 江苏博特新材料有限公司 | 一种梳形共聚物水泥分散剂 |
CN101838122A (zh) * | 2009-03-20 | 2010-09-22 | 上海彭浦特种耐火材料厂 | 不定形耐火材料体系的复合外加剂、制备方法及应用 |
CN102173642A (zh) * | 2011-02-25 | 2011-09-07 | 南京瑞迪高新技术公司 | 一种聚醚胺类羧酸高效减水剂 |
CN104487399A (zh) * | 2012-08-21 | 2015-04-01 | 株式会社Lg化学 | 包含聚羧酸共聚物的水泥组合物用添加剂和包含其的水泥组合物 |
CN104583149A (zh) * | 2012-09-03 | 2015-04-29 | Lg化学株式会社 | 包含交联聚羧酸共聚物的水泥组合物添加剂以及包含该添加剂的水泥组合物 |
CN112939507A (zh) * | 2021-02-05 | 2021-06-11 | 石家庄铁道大学 | 石英岩型尾矿废石机制砂专用分散添加剂及制备方法 |
CN113980203A (zh) * | 2021-11-22 | 2022-01-28 | 山东交通学院 | 一种基于epeg聚醚大单体结构可控的聚羧酸减水剂及其制备方法 |
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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 |
US5703174A (en) * | 1995-06-21 | 1997-12-30 | W. R. Grace & Co.-Conn. | Air controlling superplasticizers |
US5911820A (en) * | 1996-06-21 | 1999-06-15 | Kao Corporation | Concrete admixture |
JP3327901B2 (ja) * | 1999-10-08 | 2002-09-24 | 竹本油脂株式会社 | ポリエーテルエステル単量体の製造方法 |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100436359C (zh) * | 2006-09-30 | 2008-11-26 | 江苏博特新材料有限公司 | 一种羧酸类接枝共聚物混凝土外加剂含气量的控制方法 |
CN100450959C (zh) * | 2007-06-18 | 2009-01-14 | 江苏博特新材料有限公司 | 聚醚类超早强型混凝土超塑化剂 |
CN101475671B (zh) * | 2009-01-12 | 2010-06-09 | 江苏博特新材料有限公司 | 一种梳形共聚物水泥分散剂 |
CN101838122A (zh) * | 2009-03-20 | 2010-09-22 | 上海彭浦特种耐火材料厂 | 不定形耐火材料体系的复合外加剂、制备方法及应用 |
CN101838122B (zh) * | 2009-03-20 | 2013-08-28 | 上海彭浦特种耐火材料厂 | 不定形耐火材料体系的复合外加剂、制备方法及应用 |
CN102173642A (zh) * | 2011-02-25 | 2011-09-07 | 南京瑞迪高新技术公司 | 一种聚醚胺类羧酸高效减水剂 |
CN102173642B (zh) * | 2011-02-25 | 2013-01-02 | 南京瑞迪高新技术公司 | 一种聚醚胺类羧酸高效减水剂 |
CN104487399A (zh) * | 2012-08-21 | 2015-04-01 | 株式会社Lg化学 | 包含聚羧酸共聚物的水泥组合物用添加剂和包含其的水泥组合物 |
CN104583149A (zh) * | 2012-09-03 | 2015-04-29 | Lg化学株式会社 | 包含交联聚羧酸共聚物的水泥组合物添加剂以及包含该添加剂的水泥组合物 |
CN104583149B (zh) * | 2012-09-03 | 2017-03-22 | Lg化学株式会社 | 包含交联聚羧酸共聚物的水泥组合物添加剂以及包含该添加剂的水泥组合物 |
CN112939507A (zh) * | 2021-02-05 | 2021-06-11 | 石家庄铁道大学 | 石英岩型尾矿废石机制砂专用分散添加剂及制备方法 |
CN113980203A (zh) * | 2021-11-22 | 2022-01-28 | 山东交通学院 | 一种基于epeg聚醚大单体结构可控的聚羧酸减水剂及其制备方法 |
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