JPH0151460B2 - - Google Patents
Info
- Publication number
- JPH0151460B2 JPH0151460B2 JP11717381A JP11717381A JPH0151460B2 JP H0151460 B2 JPH0151460 B2 JP H0151460B2 JP 11717381 A JP11717381 A JP 11717381A JP 11717381 A JP11717381 A JP 11717381A JP H0151460 B2 JPH0151460 B2 JP H0151460B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- melamine
- dicyandiamide
- cement
- reaction
- 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
- 229920000877 Melamine resin Polymers 0.000 claims description 41
- 239000004568 cement Substances 0.000 claims description 40
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 37
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 37
- 238000006243 chemical reaction Methods 0.000 claims description 25
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 18
- 239000004202 carbamide Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000004480 active ingredient Substances 0.000 claims description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 62
- 239000003638 chemical reducing agent Substances 0.000 description 32
- 150000001299 aldehydes Chemical class 0.000 description 15
- 239000004570 mortar (masonry) Substances 0.000 description 14
- 230000009467 reduction Effects 0.000 description 14
- 239000007864 aqueous solution Substances 0.000 description 13
- 239000007787 solid Substances 0.000 description 12
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 239000004576 sand Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 125000000542 sulfonic acid group Chemical group 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 6
- 239000003125 aqueous solvent Substances 0.000 description 5
- 239000007859 condensation product Substances 0.000 description 5
- 238000006482 condensation reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000011083 cement mortar Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 150000007974 melamines Chemical class 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000001603 reducing effect Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000004640 Melamine resin Substances 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 235000010262 sodium metabisulphite Nutrition 0.000 description 3
- 238000006277 sulfonation reaction Methods 0.000 description 3
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical group C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052783 alkali metal Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- ZETCGWYACBNPIH-UHFFFAOYSA-N azane;sulfurous acid Chemical compound N.OS(O)=O ZETCGWYACBNPIH-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- DJEHXEMURTVAOE-UHFFFAOYSA-M potassium bisulfite Chemical compound [K+].OS([O-])=O DJEHXEMURTVAOE-UHFFFAOYSA-M 0.000 description 1
- 235000010259 potassium hydrogen sulphite Nutrition 0.000 description 1
- RWPGFSMJFRPDDP-UHFFFAOYSA-L potassium metabisulfite Chemical compound [K+].[K+].[O-]S(=O)S([O-])(=O)=O RWPGFSMJFRPDDP-UHFFFAOYSA-L 0.000 description 1
- 229940043349 potassium metabisulfite Drugs 0.000 description 1
- 235000010263 potassium metabisulphite Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 229940001584 sodium metabisulfite Drugs 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11717381A JPS5820766A (ja) | 1981-07-28 | 1981-07-28 | セメント組成物用混和剤 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11717381A JPS5820766A (ja) | 1981-07-28 | 1981-07-28 | セメント組成物用混和剤 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5820766A JPS5820766A (ja) | 1983-02-07 |
| JPH0151460B2 true JPH0151460B2 (enrdf_load_stackoverflow) | 1989-11-02 |
Family
ID=14705239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11717381A Granted JPS5820766A (ja) | 1981-07-28 | 1981-07-28 | セメント組成物用混和剤 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5820766A (enrdf_load_stackoverflow) |
-
1981
- 1981-07-28 JP JP11717381A patent/JPS5820766A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5820766A (ja) | 1983-02-07 |
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