JPH0517184B2 - - Google Patents
Info
- Publication number
- JPH0517184B2 JPH0517184B2 JP19544584A JP19544584A JPH0517184B2 JP H0517184 B2 JPH0517184 B2 JP H0517184B2 JP 19544584 A JP19544584 A JP 19544584A JP 19544584 A JP19544584 A JP 19544584A JP H0517184 B2 JPH0517184 B2 JP H0517184B2
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- water
- polyvinyl alcohol
- present
- admixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 22
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 22
- 238000007127 saponification reaction Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 9
- 229920003086 cellulose ether Polymers 0.000 claims description 8
- 230000001180 sulfating effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 230000000694 effects Effects 0.000 description 10
- 238000002156 mixing Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 7
- 239000002518 antifoaming agent Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000005670 sulfation reaction Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 230000019635 sulfation Effects 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000609 methyl cellulose Polymers 0.000 description 3
- 239000001923 methylcellulose Substances 0.000 description 3
- 235000010981 methylcellulose Nutrition 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 2
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000008030 superplasticizer Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000006136 alcoholysis reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19544584A JPS6172664A (ja) | 1984-09-17 | 1984-09-17 | 水中コンクリ−ト用混和剤 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19544584A JPS6172664A (ja) | 1984-09-17 | 1984-09-17 | 水中コンクリ−ト用混和剤 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6172664A JPS6172664A (ja) | 1986-04-14 |
| JPH0517184B2 true JPH0517184B2 (en]) | 1993-03-08 |
Family
ID=16341182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19544584A Granted JPS6172664A (ja) | 1984-09-17 | 1984-09-17 | 水中コンクリ−ト用混和剤 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6172664A (en]) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4407499A1 (de) * | 1993-03-10 | 1994-09-15 | Sandoz Ag | Verflüssiger für Zementmischungen |
| KR20110052567A (ko) * | 2008-07-18 | 2011-05-18 | 가오 가부시키가이샤 | 수경성 분체의 제조방법 |
| JP5135099B2 (ja) * | 2008-07-18 | 2013-01-30 | 花王株式会社 | 水硬性組成物用早強剤 |
| ES2536066T3 (es) * | 2008-07-18 | 2015-05-20 | Kao Corporation | Agente de alta resistencia a corto plazo para composición hidráulica |
| CN116813260B (zh) * | 2023-07-11 | 2023-12-29 | 广州市兴耀混凝土有限公司 | 一种超缓凝抗裂混凝土及其制备方法 |
-
1984
- 1984-09-17 JP JP19544584A patent/JPS6172664A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6172664A (ja) | 1986-04-14 |
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