JPH0215496B2 - - Google Patents
Info
- Publication number
- JPH0215496B2 JPH0215496B2 JP6411687A JP6411687A JPH0215496B2 JP H0215496 B2 JPH0215496 B2 JP H0215496B2 JP 6411687 A JP6411687 A JP 6411687A JP 6411687 A JP6411687 A JP 6411687A JP H0215496 B2 JPH0215496 B2 JP H0215496B2
- Authority
- JP
- Japan
- Prior art keywords
- cement
- molecular weight
- average molecular
- concrete
- weight average
- 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
Links
- 239000004568 cement Substances 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 20
- 229920001577 copolymer Polymers 0.000 claims description 17
- 239000000654 additive Substances 0.000 claims description 16
- 230000000996 additive effect Effects 0.000 claims description 13
- 229920001467 poly(styrenesulfonates) Polymers 0.000 claims description 11
- 150000001336 alkenes Chemical class 0.000 claims description 10
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 9
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 6
- 229960002796 polystyrene sulfonate Drugs 0.000 claims description 4
- 239000011970 polystyrene sulfonate Substances 0.000 claims description 4
- 239000004480 active ingredient Substances 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 description 10
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 9
- 238000002156 mixing Methods 0.000 description 9
- 238000009472 formulation Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 229940006186 sodium polystyrene sulfonate Drugs 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000108 ultra-filtration Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 239000008030 superplasticizer Substances 0.000 description 3
- 229920001732 Lignosulfonate Polymers 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Natural products O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- -1 ethylene, propylene Chemical group 0.000 description 1
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- KVBGVZZKJNLNJU-UHFFFAOYSA-N naphthalene-2-sulfonic acid Chemical compound C1=CC=CC2=CC(S(=O)(=O)O)=CC=C21 KVBGVZZKJNLNJU-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6411687A JPS63230547A (ja) | 1987-03-20 | 1987-03-20 | セメント添加剤 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6411687A JPS63230547A (ja) | 1987-03-20 | 1987-03-20 | セメント添加剤 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63230547A JPS63230547A (ja) | 1988-09-27 |
| JPH0215496B2 true JPH0215496B2 (US07709020-20100504-C00041.png) | 1990-04-12 |
Family
ID=13248774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6411687A Granted JPS63230547A (ja) | 1987-03-20 | 1987-03-20 | セメント添加剤 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63230547A (US07709020-20100504-C00041.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0578288U (ja) * | 1992-03-31 | 1993-10-26 | 有限会社岡本物産 | 小芥子人形構造 |
| JPH0627522U (ja) * | 1992-09-14 | 1994-04-12 | 清 村木 | 連結式ボトル |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2722387B2 (ja) * | 1987-09-18 | 1998-03-04 | ライオン株式会社 | セメント分散剤 |
| CA2438149A1 (en) * | 2001-03-01 | 2002-09-12 | The Trustees Of Columbia University In The City Of New York | Admixture to improve consolidation of cement composition with low moisture content |
-
1987
- 1987-03-20 JP JP6411687A patent/JPS63230547A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0578288U (ja) * | 1992-03-31 | 1993-10-26 | 有限会社岡本物産 | 小芥子人形構造 |
| JPH0627522U (ja) * | 1992-09-14 | 1994-04-12 | 清 村木 | 連結式ボトル |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63230547A (ja) | 1988-09-27 |
