CA2163569C - Carbonate de calcium rhomboedrique et methode de vieillissement accelerepour le produire - Google Patents
Carbonate de calcium rhomboedrique et methode de vieillissement accelerepour le produireInfo
- Publication number
- CA2163569C CA2163569C CA002163569A CA2163569A CA2163569C CA 2163569 C CA2163569 C CA 2163569C CA 002163569 A CA002163569 A CA 002163569A CA 2163569 A CA2163569 A CA 2163569A CA 2163569 C CA2163569 C CA 2163569C
- Authority
- CA
- Canada
- Prior art keywords
- calcium carbonate
- aging
- heat
- aged
- morphology
- 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 - Fee Related
Links
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 179
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000008569 process Effects 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title description 5
- 239000002245 particle Substances 0.000 claims abstract description 50
- 239000013078 crystal Substances 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 abstract description 25
- 239000000463 material Substances 0.000 abstract description 21
- 230000003287 optical effect Effects 0.000 abstract description 11
- 238000009826 distribution Methods 0.000 abstract description 10
- 235000010216 calcium carbonate Nutrition 0.000 description 61
- 230000032683 aging Effects 0.000 description 40
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 39
- 239000000047 product Substances 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000002002 slurry Substances 0.000 description 9
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 7
- 239000000920 calcium hydroxide Substances 0.000 description 7
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 7
- 235000011116 calcium hydroxide Nutrition 0.000 description 7
- 239000007858 starting material Substances 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 238000010494 dissociation reaction Methods 0.000 description 6
- 230000005593 dissociations Effects 0.000 description 6
- 238000001953 recrystallisation Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- 238000003917 TEM image Methods 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 3
- 239000004606 Fillers/Extenders Substances 0.000 description 3
- 229910001424 calcium ion Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 230000008707 rearrangement Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 238000001016 Ostwald ripening Methods 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- -1 hydroxide ions Chemical class 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 150000007519 polyprotic acids Polymers 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 206010013457 Dissociation Diseases 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 208000018459 dissociative disease Diseases 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/493,075 | 1990-03-13 | ||
| US07/493,075 US5269818A (en) | 1990-03-13 | 1990-03-13 | Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof |
| CA002038009A CA2038009C (fr) | 1990-03-13 | 1991-03-11 | Carbonate de calcium rhomboedrique et methode de vieillissement thermique accelere pour le preparer |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002038009A Division CA2038009C (fr) | 1990-03-13 | 1991-03-11 | Carbonate de calcium rhomboedrique et methode de vieillissement thermique accelere pour le preparer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2163569A1 CA2163569A1 (fr) | 1991-09-14 |
| CA2163569C true CA2163569C (fr) | 1997-12-09 |
Family
ID=25674508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002163569A Expired - Fee Related CA2163569C (fr) | 1990-03-13 | 1991-03-11 | Carbonate de calcium rhomboedrique et methode de vieillissement accelerepour le produire |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2163569C (fr) |
-
1991
- 1991-03-11 CA CA002163569A patent/CA2163569C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2163569A1 (fr) | 1991-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |