CN101085701A - 聚醚类超早强型混凝土超塑化剂 - Google Patents
聚醚类超早强型混凝土超塑化剂 Download PDFInfo
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- CN101085701A CN101085701A CN 200710024394 CN200710024394A CN101085701A CN 101085701 A CN101085701 A CN 101085701A CN 200710024394 CN200710024394 CN 200710024394 CN 200710024394 A CN200710024394 A CN 200710024394A CN 101085701 A CN101085701 A CN 101085701A
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- monomer
- concrete
- type concrete
- polyethers
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Abstract
Description
单体a | 通式(1) | a-1 | 丙烯酸 |
a-2 | 甲基丙烯酸 | ||
单体b | 通式(2) | b-1 | 甲氧基聚乙二醇单甲基丙烯酸酯(n=130) |
b-2 | 甲氧基聚乙二醇单丙烯酸酯(n=185) | ||
b-3 | 甲氧基聚乙二醇单甲基丙烯酸酯(n=95) | ||
b-4 | 甲氧基聚乙二醇单丙烯酸酯(n=115) | ||
b-5 | 甲氧基聚乙二醇单甲基丙烯酸酯(n=45) | ||
单体c | 通式(3) | c-1 | 丙烯酰胺 |
c-2 | N、N二甲基丙烯酰胺 | ||
c-3 | 磺乙基丙烯酰胺 | ||
单体d | 通式(4) | d-1 | p+r=0,q=16,R4=C4H9 |
d-2 | p+r=3,q=30,R4=C9H19 | ||
d-3 | p+r=10,q=60,R4=C6H5 | ||
有机胺e | 通式(6) | e-1 | 三乙醇胺 |
e-2 | 三异丙醇胺 | ||
通式(7) | e-3 | 二羟乙基乙二胺 | |
e-4 | 四羟乙基乙二胺 | ||
e-5 | 四羟丙基乙二胺 |
共聚物 | 单体种类及其所占重量比 | 中和碱种类 | Mw | |||||||
(a) | % | (b) | % | (c) | (d) | % | ||||
PE-1PE-2PE-3PE-4比较例1比较例2比较例3比较例4 | a-1a-1a-2a-1,a-2a-1a-1a-1a-1 | 10.5614.310.310.510.610.510.7 | b-2b-1b-3b-4b-2b-2b-5b-2 | 86.38781.984.286.386.886.387.7 | c-3c-1c-1c-2c-3c-3c-3/ | 2.65.52.43.02.62.62.6/ | d-3d-2d-3d-1d-3/d-3d-3 | 1.61.51.42.51.6/1.61.6 | e-2e-4e-2,e-3e-1,e-5NaOHe-2e-2e-2 | 4900038000310005200045000510003700053000 |
掺量/% | 水泥凝结时间/h:min | 24h强度/Mpa | |||
初凝 | 终凝 | 抗压 | 抗折 | ||
PE-1PE-2PE-3PE-4比较例1比较例2比较例3比较例4 | 0.200.200.200.200.200.200.200.20 | 2:012:182:352:152:152:203:152:18 | 3:063:454:053:403:303:554:253:45 | 45.243.244.842.937.122.329.5041.7 | 7.587.457.387.276.615.486.427.22 |
掺量/% | 减水率/% | 含气量/% | 抗压强度(MPa) | 相对收缩率变化(×10-6) | ||||
1d(5℃) | 3d(20℃) | 28d(20℃) | 28d | 60d | ||||
基准PE-1PE-2PE-3PE-4比较例3 | 0.200.200.200.200.20 | 31.326.530.533.726.2 | 1.81.81.72.01.91.8 | 1.617.16.45.96.83.18 | 23.865.357.870.567.739.5 | 54.188.980.285.391.475.8 | -270.08-231.45-233.32-242.63-229.53-232.1 | -381.2-334.4-338.3-341.8-326.5-330.7 |
编号 | 掺量/% | 坍落度/cm | 含气量/% | 抗压强度MPa | |||
16h* | 1d | 3d | 28d | ||||
PE-1PE-2PE-3PE-4比较例3 | 0.170.190.170.170.20 | 18.217.516.519.515.5 | 1.42.22.32.32.4 | 39.939.337.638.528.5 | 57.056.353.257.340.3 | 77.077.875.176.362.1 | 96.395.494.697.494.2 |
编号 | 掺量/% | 含气量/% | 抗压强度/MPa | 7d标养抗折强度 | ||||
12h蒸养 | 蒸养后标养28d | 1d标养* | 3d标养 | 28d标养 | ||||
PE-1PE-2PE-3PE-4比较例3 | 0.230.260.230.230.28 | 2.22.01.92.02.0 | 61.358.857.459.343.5 | 85.883.682.085.175.1 | 44.543.042.643.526.5 | 69.466.863.067.258.1 | 91.293.389.592.291.5 | 7.527.317.137.447.11 |
Claims (10)
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CNB2007100243944A CN100450959C (zh) | 2007-06-18 | 2007-06-18 | 聚醚类超早强型混凝土超塑化剂 |
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CNB2007100243944A CN100450959C (zh) | 2007-06-18 | 2007-06-18 | 聚醚类超早强型混凝土超塑化剂 |
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CN101085701A true CN101085701A (zh) | 2007-12-12 |
CN100450959C CN100450959C (zh) | 2009-01-14 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102418548A (zh) * | 2011-09-28 | 2012-04-18 | 韩林华 | 一种防止煤尘自燃的砂浆悬浮剂 |
WO2014059765A1 (zh) * | 2012-10-18 | 2014-04-24 | 江苏博特新材料有限公司 | 混凝土预制构件用超塑化剂 |
CN105218757A (zh) * | 2015-09-17 | 2016-01-06 | 深圳市迈地砼外加剂有限公司 | 具有保坍功能的早强型聚羧酸减水剂及其制备方法 |
CN110128601A (zh) * | 2019-05-22 | 2019-08-16 | 上饶市天佳新型材料有限公司 | 一种早强型聚羧酸减水剂及其制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1295183C (zh) * | 2005-02-28 | 2007-01-17 | 江苏省建筑科学研究院有限公司 | 多功能型羧酸类梳形接枝共聚物混凝土超塑化剂 |
CN100381387C (zh) * | 2005-02-28 | 2008-04-16 | 江苏省建筑科学研究院有限公司 | 一种两性羧酸类梳形接枝共聚物混凝土超塑化剂 |
CN1326794C (zh) * | 2005-10-11 | 2007-07-18 | 济南大学 | 含不饱和聚醚的羧酸类混凝土减水剂及其制备方法 |
-
2007
- 2007-06-18 CN CNB2007100243944A patent/CN100450959C/zh active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102418548A (zh) * | 2011-09-28 | 2012-04-18 | 韩林华 | 一种防止煤尘自燃的砂浆悬浮剂 |
WO2014059765A1 (zh) * | 2012-10-18 | 2014-04-24 | 江苏博特新材料有限公司 | 混凝土预制构件用超塑化剂 |
CN105218757A (zh) * | 2015-09-17 | 2016-01-06 | 深圳市迈地砼外加剂有限公司 | 具有保坍功能的早强型聚羧酸减水剂及其制备方法 |
CN105218757B (zh) * | 2015-09-17 | 2020-07-14 | 深圳市迈地砼外加剂有限公司 | 具有保坍功能的早强型聚羧酸减水剂及其制备方法 |
CN110128601A (zh) * | 2019-05-22 | 2019-08-16 | 上饶市天佳新型材料有限公司 | 一种早强型聚羧酸减水剂及其制备方法 |
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