CN1935731A - 一种羧酸类接枝共聚物混凝土外加剂含气量的控制方法 - Google Patents
一种羧酸类接枝共聚物混凝土外加剂含气量的控制方法 Download PDFInfo
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Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Polyethers (AREA)
Abstract
Description
代号 | 通式(I)所表示的消泡组份的化学结构 | ||
R | p | q | |
DF-1 | C12H25 | 35 | 5 |
DF-2 | C16H33 | 20 | 3 |
DF-3 | C8H17 | 50 | 10 |
DF-4 | C15H23 | 18 | 4 |
共聚物编号 | 静止一段时间后的稳定性 | ||||
1d | 1week | 1month | 3month | ||
实施例 | SP-1 | 均匀 | 均匀 | 均匀 | 均匀 |
SP-2 | 均匀 | 均匀 | 均匀 | 均匀 | |
SP-3 | 均匀 | 均匀 | 均匀 | 均匀 | |
SP-4 | 均匀 | 均匀 | 均匀 | 均匀 | |
SP-5 | 均匀 | 均匀 | 均匀 | 均匀 | |
SP-6 | 均匀 | 均匀 | 均匀 | 均匀 | |
SP-7 | 均匀 | 均匀 | 均匀 | 均匀 | |
比较例 | CP-1 | 表面漂浮 | 表面漂浮 | 表面漂浮 | 表面漂浮 |
CP-2 | 均匀 | 表面漂浮 | 表面漂浮 | 表面漂浮 | |
CP-3 | 均匀 | 均匀 | 均匀 | 均匀 |
共聚物编号 | 搅拌时间(min)对含气量的影响(SL:air) | |||||
1.5min | 3min | 9min | 15min | 25min | ||
实施例 | SP-1 | 3.1 | 3.1 | 2.9 | 3.0 | 2.9 |
SP-2 | 2.3 | 2.4 | 2.3 | 2.3 | 2.4 | |
SP-3 | 3.2 | 3.1 | 3.1 | 2.9 | 3.0 | |
SP-4 | 2.5 | 2.6 | 2.5 | 2.5 | 2.4 | |
比较例 | CP-1 | 3.5 | 3.8 | 7.6 | 6.8 | 4.3 |
CP-2 | 4.1 | 4.9 | 7.2 | 6.5 | 4.2 |
共聚物编号 | 共聚物贮存时间 | 对含气量的影响 | |||
1d | 1week | 1month | 3month | ||
实施例 | SP-1 | 3.1 | 3.0 | 3.2 | 3.0 |
SP-2 | 2.3 | 2.4 | 2.5 | 2.5 | |
SP-3 | 3.2 | 3.4 | 3.3 | 3.1 | |
SP-4 | 2.5 | 2.6 | 2.5 | 2.7 | |
比较例 | CP-1 | 3.5 | 3.8 | 4.3 | 5.2 |
CP-2 | 4.1 | 4.3 | 4.5 | 4.9 |
共聚物编号 | 含气量(%) | 强度发展变化(MPa) | |||
R3 | R7 | R28 | |||
实施例 | SP-4 | 2.6 | 35.3 | 47.0 | 68.1 |
SP-5 | 5.1 | 28.6 | 39.2 | 59.4 | |
SP-6 | 4.1 | 32.7 | 42.9 | 61.2 | |
SP-7 | 1.5 | 38.8 | 52.2 | 70.6 | |
比较例 | CP-3 | 7.9 | 19.5 | 29.9 | 41.3 |
SP-4+0.008%JM2000引气剂 | 5.2 | 27.9 | 40.1 | 58.5 | |
备注:JM2000为改性松香类引气剂 |
Claims (6)
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CNB2006100965490A CN100436359C (zh) | 2006-09-30 | 2006-09-30 | 一种羧酸类接枝共聚物混凝土外加剂含气量的控制方法 |
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CNB2006100965490A CN100436359C (zh) | 2006-09-30 | 2006-09-30 | 一种羧酸类接枝共聚物混凝土外加剂含气量的控制方法 |
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Publication Number | Publication Date |
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CN1935731A true CN1935731A (zh) | 2007-03-28 |
CN100436359C CN100436359C (zh) | 2008-11-26 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101357832B (zh) * | 2008-08-22 | 2011-02-02 | 上海三瑞高分子材料有限公司 | 一种梳型聚合物消泡剂 |
CN104003642A (zh) * | 2014-06-12 | 2014-08-27 | 赵月 | 一种混凝土外加剂及其应用 |
CN104725227A (zh) * | 2013-12-18 | 2015-06-24 | 辽宁奥克化学股份有限公司 | 一种不饱和羧酸单酯、其制备方法和应用、及其作为聚合单体所得的聚羧酸减水剂 |
CN108299650A (zh) * | 2017-12-26 | 2018-07-20 | 苏州弗克技术股份有限公司 | 一种压浆剂用聚羧酸减水剂及其制备方法 |
CN111363159A (zh) * | 2018-12-26 | 2020-07-03 | 江苏苏博特新材料股份有限公司 | 一种磺化苯乙烯-马来酸酐接枝聚醚型减缩型聚羧酸减水剂 |
Family Cites Families (1)
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 |
-
2006
- 2006-09-30 CN CNB2006100965490A patent/CN100436359C/zh active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101357832B (zh) * | 2008-08-22 | 2011-02-02 | 上海三瑞高分子材料有限公司 | 一种梳型聚合物消泡剂 |
CN104725227A (zh) * | 2013-12-18 | 2015-06-24 | 辽宁奥克化学股份有限公司 | 一种不饱和羧酸单酯、其制备方法和应用、及其作为聚合单体所得的聚羧酸减水剂 |
CN104725227B (zh) * | 2013-12-18 | 2017-03-01 | 辽宁奥克化学股份有限公司 | 一种不饱和羧酸单酯、其制备方法和应用、及其作为聚合单体所得的聚羧酸减水剂 |
CN104003642A (zh) * | 2014-06-12 | 2014-08-27 | 赵月 | 一种混凝土外加剂及其应用 |
CN104003642B (zh) * | 2014-06-12 | 2016-01-27 | 广东湘盈建筑工程有限公司 | 一种混凝土外加剂及其应用 |
CN105399358A (zh) * | 2014-06-12 | 2016-03-16 | 赵月 | 混凝土减水及保塌剂 |
CN108299650A (zh) * | 2017-12-26 | 2018-07-20 | 苏州弗克技术股份有限公司 | 一种压浆剂用聚羧酸减水剂及其制备方法 |
CN111363159A (zh) * | 2018-12-26 | 2020-07-03 | 江苏苏博特新材料股份有限公司 | 一种磺化苯乙烯-马来酸酐接枝聚醚型减缩型聚羧酸减水剂 |
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