CN1673163A - 一种两性羧酸类梳形接枝共聚物混凝土超塑化剂 - Google Patents
一种两性羧酸类梳形接枝共聚物混凝土超塑化剂 Download PDFInfo
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- CN1673163A CN1673163A CN 200510037871 CN200510037871A CN1673163A CN 1673163 A CN1673163 A CN 1673163A CN 200510037871 CN200510037871 CN 200510037871 CN 200510037871 A CN200510037871 A CN 200510037871A CN 1673163 A CN1673163 A CN 1673163A
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Landscapes
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Abstract
Description
单体名称 | 简称 | 单体名称 | 简称 |
丙烯酸甲基丙烯酸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=23)甲氧基聚乙二醇单甲基丙烯酸酯(n=33)甲氧基聚乙二醇单甲基丙烯酸酯(n=45)甲氧基聚乙二醇单甲基丙烯酸酯(n=68) | A-1A-2B-1B-2B-3B-4B-5 | 甲氧基聚乙二醇单甲基丙烯酸酯(n=113)二甲基胺丙基甲基丙烯酰胺二甲基胺乙基甲基丙烯酸酯N,N-二甲基胺甲基丙烯酰胺二甲基二烯丙基氯化铵丙烯酸甲酯丙烯酸羟丙酯 | B-6C-1C-2C-3C-4D-1D-2 |
交联剂名称 | 简称 | 交联剂名称 | 简称 |
邻苯二甲酸二缩水甘油酯己二酸二缩水甘油酯 | F-1F-2 | 聚乙二醇二缩水甘油酯(EO=22)聚丙二醇二缩水甘油酯(PO=17) | F-3F-4 |
外加剂编号 | 单体种类及其所占重量比 | Mw | |||||||||
(A) | Wt.% | (B) | Wt.% | (C) | Wt.% | (D) | Wt.% | (F) | Wt% | ||
SSP-1SSP-2SSP-3SSP-4SSP-5SSP-6SSP-7SSP-8SSP-9SSP-10比较例1比较例2 | A-1A-1A-2A-1,A-2A-1A-2A-2A-2A-1A-1A-1,A-2A-1,A-2 | 121015152015151535201510 | B-2B-3B-4B-3B-3B-1B-5B-6B-2B 3B-4B-4 | 828575706577777760757085 | C-2C-2C-3C-3C-2C-1C-1C-1C-2C-2C-3- | 65108158885580 | ---D-1------D-1D-2 | 000700000075 | F-1F-2F-1F-3F-2F-4F-4F-4F-2F-2-F-4 | 1.30.81.01.10.82.52.52.50.83.502.0 | 390002200028000360003500032000370004100027000凝胶1300055000 |
外加剂编号 | 水灰比 | 含气量(%) | 坍落度/扩展度经时变化,cm | 凝结时间h:min | 泌水率,% | R28MPa | ||||
0min | 60min | 90min | 初凝 | 终凝 | ||||||
实施例 | SSP-1SSP-2SSP-3SSP-4SSP-5SSP-6SSP-7SSP-8SSP-9 | 0.380.370.3650.360.380.410.360.350.44 | 2.62.82.93.02.62.53.13.13.1 | 19.5/4120.9/4520.0/4221.5/5221.5/5219.9/4020.5/4221.5/5021.0/47 | 20.5/4520.5/4319.0/3720.5/4319.5/4020.5/4319.0/3717.0/3210.5 | 20/4219.0/3817/3419.5/4017.5/3420.0/4215.5/2812.53.0 | 7:337:557:217:246:508:157:056:458:45 | 9:2110:059:329:079:2210:289:089:3011:30 | 02.11.303.21.8000 | 68.570.271.074.273.564.271.975.258.7 |
比较例1 | 0.36 | 2.7 | 20.0/37 | 14.5 | 9.5 | 8:05 | 9:55 | 0 | 72.5 |
掺量(%) | 水灰比 | 减水率(%) | 含气量(%) | 坍落度经时变化,cm | 抗压强度(MPa)/强度比(%) | |||||
0min | 60min | 90min | R3 | R7 | R28 | |||||
实施例SSP-4 | /0.200.250.300.40 | 0.5830.4080.3660.3580.333 | /30.037.138.642.8 | 1.22.82.53.03.2 | 18.520.5/4220.5/4321.5/5220.8/48 | -13.519.520.5/4321.0/44 | --17.519.5/4020.5/41 | 14.7/10035.7/24341.9/28541.7/28453.0/360 | 21.7/10048.0/22156.0/25857.2/26366.0/304 | 32.7/10064.4/19774.4/22872.4/22175.5/231 |
比较例2 | 0.200.300.40 | 0.410.400.40 | 29.731.331.3 | 2.72.52.2 | 19.5/4019/3819.5/39 | 16.5/3620.5/4522/51 | 14.5/3220/4321/48 | 35.7/24337.9/25836.3/247 | 49.1/22648.7/22447.9/221 | 68.3/20968.5/20966.7/204 |
水泥(%) | 硅灰(%) | 超细工业废渣(%) | 水胶比 | 胶砂比 | SSP-4(%) |
40~50 | 10 | 40~50 | 0.15 | 1∶1.2 | 0.3 |
钢纤维掺量 | 抗压强度,MPa | 抗折强度,MPa | ||
28d | 90d | 28d | 90d | |
02%4% | 141.1155.1183.3 | 166.3181.2220.3 | 17.230.341.8 | 20.838.955.3 |
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