CA1088040A - Alumina - Google Patents
AluminaInfo
- Publication number
- CA1088040A CA1088040A CA244,448A CA244448A CA1088040A CA 1088040 A CA1088040 A CA 1088040A CA 244448 A CA244448 A CA 244448A CA 1088040 A CA1088040 A CA 1088040A
- Authority
- CA
- Canada
- Prior art keywords
- acid
- alumina trihydrate
- additive
- alpha alumina
- ground
- 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
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims description 27
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000000606 toothpaste Substances 0.000 claims abstract description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 17
- 229940034610 toothpaste Drugs 0.000 claims abstract description 17
- KZNNRLXBDAAMDZ-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane trihydrate Chemical compound O.O.O.O=[Al]O[Al]=O KZNNRLXBDAAMDZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002253 acid Substances 0.000 claims abstract description 13
- 150000007524 organic acids Chemical class 0.000 claims abstract description 10
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 6
- 159000000000 sodium salts Chemical class 0.000 claims abstract description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 27
- 239000000654 additive Substances 0.000 claims description 20
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 230000000996 additive effect Effects 0.000 claims description 15
- 239000005711 Benzoic acid Substances 0.000 claims description 13
- 235000010233 benzoic acid Nutrition 0.000 claims description 13
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 6
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 5
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 5
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 5
- 239000012467 final product Substances 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- 150000001735 carboxylic acids Chemical class 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 150000004684 trihydrates Chemical class 0.000 claims 2
- 150000007513 acids Chemical class 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 abstract description 6
- 238000010348 incorporation Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 20
- 230000007797 corrosion Effects 0.000 description 20
- 239000006072 paste Substances 0.000 description 11
- 239000001164 aluminium sulphate Substances 0.000 description 8
- 235000011128 aluminium sulphate Nutrition 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 229940091249 fluoride supplement Drugs 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 229940074371 monofluorophosphate Drugs 0.000 description 5
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- XGRSAFKZAGGXJV-UHFFFAOYSA-N 3-azaniumyl-3-cyclohexylpropanoate Chemical compound OC(=O)CC(N)C1CCCCC1 XGRSAFKZAGGXJV-UHFFFAOYSA-N 0.000 description 2
- 238000004131 Bayer process Methods 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009972 noncorrosive effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 235000013024 sodium fluoride Nutrition 0.000 description 2
- 239000011775 sodium fluoride Substances 0.000 description 2
- 229960004711 sodium monofluorophosphate Drugs 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 239000004141 Sodium laurylsulphate Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- -1 benzoic acid Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- IDAGXRIGDWCIET-SDFKWCIISA-L disodium;(2s,3s,4s,5r)-2,3,4,5-tetrahydroxyhexanedioate Chemical compound [Na+].[Na+].[O-]C(=O)[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O IDAGXRIGDWCIET-SDFKWCIISA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- XONPDZSGENTBNJ-UHFFFAOYSA-N molecular hydrogen;sodium Chemical compound [Na].[H][H] XONPDZSGENTBNJ-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- JXHZRQHZVYDRGX-UHFFFAOYSA-M sodium;hydrogen sulfate;hydrate Chemical compound [OH-].[Na+].OS(O)(=O)=O JXHZRQHZVYDRGX-UHFFFAOYSA-M 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/021—After-treatment of oxides or hydroxides
- C01F7/023—Grinding, deagglomeration or disintegration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/26—Aluminium; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Birds (AREA)
- Geology (AREA)
- Epidemiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cosmetics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3204/75A GB1537823A (en) | 1975-01-24 | 1975-01-24 | Alumina |
| GB3204/75 | 1975-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1088040A true CA1088040A (en) | 1980-10-21 |
Family
ID=9753921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA244,448A Expired CA1088040A (en) | 1975-01-24 | 1976-01-26 | Alumina |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1088040A (enrdf_load_html_response) |
| DE (1) | DE2602402A1 (enrdf_load_html_response) |
| FR (1) | FR2298510A1 (enrdf_load_html_response) |
| GB (1) | GB1537823A (enrdf_load_html_response) |
| IT (1) | IT1054458B (enrdf_load_html_response) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1573727A (en) | 1978-05-19 | 1980-08-28 | Colgate Palmolive Co | Dentifrices |
| FR2591581B1 (fr) * | 1985-12-17 | 1990-05-25 | Pechiney Aluminium | Procede d'obtention avec une forte productivite de trihydroxyde d'aluminium, de haute purete et de diametre median inferieur a 4 micrometres, regle a la demande. |
| GB8803328D0 (en) * | 1988-02-12 | 1988-03-09 | Alcan Int Ltd | Alumina hydrates |
| GB8803329D0 (en) * | 1988-02-12 | 1988-03-09 | Alcan Int Ltd | Alumina hydrates |
| US4988498A (en) * | 1989-07-27 | 1991-01-29 | Unilever Patent Holdings B.V. | Oral compositions |
| US5127950A (en) * | 1989-09-14 | 1992-07-07 | Lonza Ltd. | Short-prismatic aluminum hydroxide, process for preparing same from supersaturated sodium aluminate-liquor, and compositions containing same |
-
1975
- 1975-01-24 GB GB3204/75A patent/GB1537823A/en not_active Expired
-
1976
- 1976-01-22 IT IT19480/76A patent/IT1054458B/it active
- 1976-01-23 FR FR7601805A patent/FR2298510A1/fr active Granted
- 1976-01-23 DE DE19762602402 patent/DE2602402A1/de active Granted
- 1976-01-26 CA CA244,448A patent/CA1088040A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1054458B (it) | 1981-11-10 |
| DE2602402A1 (de) | 1976-07-29 |
| GB1537823A (en) | 1979-01-04 |
| FR2298510B1 (enrdf_load_html_response) | 1981-09-04 |
| DE2602402C2 (enrdf_load_html_response) | 1987-07-23 |
| FR2298510A1 (fr) | 1976-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |