CA1097030A - Amorphous silica, products thereof and methods of preparing the same - Google Patents
Amorphous silica, products thereof and methods of preparing the sameInfo
- Publication number
- CA1097030A CA1097030A CA248,633A CA248633A CA1097030A CA 1097030 A CA1097030 A CA 1097030A CA 248633 A CA248633 A CA 248633A CA 1097030 A CA1097030 A CA 1097030A
- Authority
- CA
- Canada
- Prior art keywords
- particles
- amorphous silica
- particle
- length
- thickness
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 260
- 238000000034 method Methods 0.000 title claims description 26
- 239000002245 particle Substances 0.000 claims abstract description 189
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- 239000011164 primary particle Substances 0.000 claims abstract description 102
- 239000002253 acid Substances 0.000 claims abstract description 22
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 197
- 239000013078 crystal Substances 0.000 claims description 140
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 99
- 235000010216 calcium carbonate Nutrition 0.000 claims description 97
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 78
- 239000002002 slurry Substances 0.000 claims description 64
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 62
- 239000000378 calcium silicate Substances 0.000 claims description 61
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 61
- 239000000377 silicon dioxide Substances 0.000 claims description 53
- 239000001569 carbon dioxide Substances 0.000 claims description 39
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 39
- UGGQKDBXXFIWJD-UHFFFAOYSA-N calcium;dihydroxy(oxo)silane;hydrate Chemical compound O.[Ca].O[Si](O)=O UGGQKDBXXFIWJD-UHFFFAOYSA-N 0.000 claims description 36
- MKTRXTLKNXLULX-UHFFFAOYSA-P pentacalcium;dioxido(oxo)silane;hydron;tetrahydrate Chemical compound [H+].[H+].O.O.O.O.[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O MKTRXTLKNXLULX-UHFFFAOYSA-P 0.000 claims description 26
- 239000007787 solid Substances 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 16
- 239000010419 fine particle Substances 0.000 claims description 16
- 238000007493 shaping process Methods 0.000 claims description 16
- 239000010456 wollastonite Substances 0.000 claims description 10
- 229910052882 wollastonite Inorganic materials 0.000 claims description 10
- 159000000007 calcium salts Chemical class 0.000 claims description 6
- 230000009257 reactivity Effects 0.000 claims description 2
- 229960003563 calcium carbonate Drugs 0.000 claims 3
- 239000007789 gas Substances 0.000 abstract description 35
- 238000001179 sorption measurement Methods 0.000 abstract description 11
- 239000002131 composite material Substances 0.000 description 71
- 239000011163 secondary particle Substances 0.000 description 70
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 62
- 235000012241 calcium silicate Nutrition 0.000 description 58
- 239000011246 composite particle Substances 0.000 description 36
- 239000000463 material Substances 0.000 description 35
- 239000000292 calcium oxide Substances 0.000 description 31
- 235000012255 calcium oxide Nutrition 0.000 description 31
- 235000012239 silicon dioxide Nutrition 0.000 description 30
- 229910052681 coesite Inorganic materials 0.000 description 29
- 229910052906 cristobalite Inorganic materials 0.000 description 29
- 239000007858 starting material Substances 0.000 description 29
- 229910052682 stishovite Inorganic materials 0.000 description 29
- 229910052905 tridymite Inorganic materials 0.000 description 29
- 238000002441 X-ray diffraction Methods 0.000 description 25
- 238000004458 analytical method Methods 0.000 description 25
- 238000006243 chemical reaction Methods 0.000 description 25
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 22
- 239000000047 product Substances 0.000 description 22
- 239000011148 porous material Substances 0.000 description 20
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 18
- 239000001110 calcium chloride Substances 0.000 description 18
- 229910001628 calcium chloride Inorganic materials 0.000 description 18
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 15
- 229910052791 calcium Inorganic materials 0.000 description 14
- 239000011575 calcium Substances 0.000 description 14
- 238000000635 electron micrograph Methods 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 239000003921 oil Substances 0.000 description 13
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 12
- 239000000835 fiber Substances 0.000 description 12
- 239000000741 silica gel Substances 0.000 description 12
- 229910002027 silica gel Inorganic materials 0.000 description 12
- 238000003756 stirring Methods 0.000 description 12
- 238000005452 bending Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 9
- 235000011941 Tilia x europaea Nutrition 0.000 description 9
- 239000000499 gel Substances 0.000 description 9
- 230000005484 gravity Effects 0.000 description 9
- 239000004571 lime Substances 0.000 description 9
- 238000001878 scanning electron micrograph Methods 0.000 description 9
- 239000000843 powder Substances 0.000 description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 7
- 239000000654 additive Substances 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- 238000001027 hydrothermal synthesis Methods 0.000 description 7
- 238000009924 canning Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000000470 constituent Substances 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 238000007654 immersion Methods 0.000 description 6
- 239000012779 reinforcing material Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 239000003365 glass fiber Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- -1 pulp Substances 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 239000010425 asbestos Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 229960000443 hydrochloric acid Drugs 0.000 description 4
- 235000011167 hydrochloric acid Nutrition 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 239000011490 mineral wool Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 229910052895 riebeckite Inorganic materials 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229920002994 synthetic fiber Polymers 0.000 description 4
- 239000012209 synthetic fiber Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000010306 acid treatment Methods 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical group CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 241000193803 Therea Species 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000008119 colloidal silica Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 239000002781 deodorant agent Substances 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
- 239000008279 sol Substances 0.000 description 2
- NYNZQNWKBKUAII-KBXCAEBGSA-N (3s)-n-[5-[(2r)-2-(2,5-difluorophenyl)pyrrolidin-1-yl]pyrazolo[1,5-a]pyrimidin-3-yl]-3-hydroxypyrrolidine-1-carboxamide Chemical compound C1[C@@H](O)CCN1C(=O)NC1=C2N=C(N3[C@H](CCC3)C=3C(=CC=C(F)C=3)F)C=CN2N=C1 NYNZQNWKBKUAII-KBXCAEBGSA-N 0.000 description 1
- 241000557609 Cissa Species 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 241000755710 Eilica Species 0.000 description 1
- 101001078093 Homo sapiens Reticulocalbin-1 Proteins 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 101100125896 Neonectria sp. (strain DH2) iliC gene Proteins 0.000 description 1
- 101100296152 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pabp-1 gene Proteins 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 102100025335 Reticulocalbin-1 Human genes 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- UCUJUFDOQOJLBE-UHFFFAOYSA-N [Cl].[Ca] Chemical compound [Cl].[Ca] UCUJUFDOQOJLBE-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- BULLHNJGPPOUOX-UHFFFAOYSA-N chloroacetone Chemical compound CC(=O)CCl BULLHNJGPPOUOX-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000008710 crystal-8 Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 1
- LPTQBQUNGHOZHM-UHFFFAOYSA-N dicalcium;silicate;hydrate Chemical compound O.[Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] LPTQBQUNGHOZHM-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- JCYWCSGERIELPG-UHFFFAOYSA-N imes Chemical class CC1=CC(C)=CC(C)=C1N1C=CN(C=2C(=CC(C)=CC=2C)C)[C]1 JCYWCSGERIELPG-UHFFFAOYSA-N 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- AYOOGWWGECJQPI-NSHDSACASA-N n-[(1s)-1-(5-fluoropyrimidin-2-yl)ethyl]-3-(3-propan-2-yloxy-1h-pyrazol-5-yl)imidazo[4,5-b]pyridin-5-amine Chemical compound N1C(OC(C)C)=CC(N2C3=NC(N[C@@H](C)C=4N=CC(F)=CN=4)=CC=C3N=C2)=N1 AYOOGWWGECJQPI-NSHDSACASA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 101150059056 pab1 gene Proteins 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 235000009991 pite Nutrition 0.000 description 1
- 244000293655 pite Species 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- ACXGJHCPFCFILV-UHFFFAOYSA-M sodium;2-(4-chloro-2-methylphenoxy)acetate;3,6-dichloro-2-methoxybenzoic acid Chemical compound [Na+].COC1=C(Cl)C=CC(Cl)=C1C(O)=O.CC1=CC(Cl)=CC=C1OCC([O-])=O ACXGJHCPFCFILV-UHFFFAOYSA-M 0.000 description 1
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 1
- 235000019976 tricalcium silicate Nutrition 0.000 description 1
- 229910021534 tricalcium silicate Inorganic materials 0.000 description 1
- MBYLVOKEDDQJDY-UHFFFAOYSA-N tris(2-aminoethyl)amine Chemical compound NCCN(CCN)CCN MBYLVOKEDDQJDY-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/22—Magnesium silicates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/24—Alkaline-earth metal silicates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/259—Silicic material
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Silicon Compounds (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Catalysts (AREA)
- Cosmetics (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA358,851A CA1122780A (en) | 1975-03-25 | 1980-08-22 | Amorphous silica, products thereof and methods of preparing the same |
| CA358,847A CA1123172A (en) | 1975-03-25 | 1980-08-22 | Amorphous silica, products thereof and methods of preparing the same |
| CA358,845A CA1122778A (en) | 1975-03-25 | 1980-08-22 | Amorphous silica, products thereof and methods of preparing the same |
| CA358,846A CA1122779A (en) | 1975-03-25 | 1980-08-22 | Amorphous silica, products thereof and methods of preparing the same |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3629975A JPS528023A (en) | 1975-03-25 | 1975-03-25 | Method of manufacturing high purity porous silica gel mouldings |
| JP36299 | 1975-03-25 | ||
| JP50036298A JPS51125699A (en) | 1975-03-25 | 1975-03-25 | The production of moldable high purity and porous silica gel secondary particles |
| JP36300 | 1975-03-25 | ||
| JP3630075A JPS528024A (en) | 1975-03-25 | 1975-03-25 | Manufacturing of porous silica gel plastics |
| JP36298 | 1975-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1097030A true CA1097030A (en) | 1981-03-10 |
Family
ID=27289042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA248,633A Expired CA1097030A (en) | 1975-03-25 | 1976-03-24 | Amorphous silica, products thereof and methods of preparing the same |
Country Status (9)
Families Citing this family (56)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE420596B (sv) * | 1975-03-25 | 1981-10-19 | Osaka Packing | Formad kropp av amorf kiseldioxid, eventuellt innehallande kalciumkarbonat, sett att framstella en formad kropp av amorf kiseldioxid samt partikel av amorf kiseldioxid for framstellning av en formad kropp |
| GB2006729B (en) * | 1977-09-14 | 1982-10-06 | Johns Manville | Fast flow rate coarse synthetic hydrous calcium silicate |
| NO143583C (no) * | 1979-02-13 | 1983-01-06 | Elkem Spigerverket As | Fremgangsmaate for utluting av silikater med syre. |
| DE3144299A1 (de) * | 1981-11-07 | 1983-05-19 | Degussa Ag, 6000 Frankfurt | Faellungskieselsaeuren mit hoher struktur und verfahren zu ihrer herstellung |
| US4452909A (en) * | 1982-09-13 | 1984-06-05 | E. I. Du Pont De Nemours And Company | Process for coating crystalline silica polymorphs |
| DE3470028D1 (en) * | 1983-12-28 | 1988-04-28 | Osaka Packing | Formed article of calcium silicate and method of the preparation thereof |
| US4683203A (en) * | 1984-04-14 | 1987-07-28 | Redco N.V. | Immobilized enzymes, processes for preparing same, and use thereof |
| US4689315A (en) * | 1984-04-14 | 1987-08-25 | Redco N.V. | Amorphous silica particles, a method for producing same, and catalyst thereof |
| US4937394A (en) * | 1984-04-23 | 1990-06-26 | Mallinckrodt, Inc. | Silica catalyst supports for hydration of ethylene to ethanol |
| US4783435A (en) * | 1984-04-23 | 1988-11-08 | Mallinckrodt, Inc. | Silica catalyst supports |
| US4617060A (en) * | 1984-04-23 | 1986-10-14 | Mallinckrodt, Inc. | Silica catalyst supports |
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| US1751955A (en) * | 1925-07-23 | 1930-03-25 | Ig Farbenindustrie Ag | Manufacture of active silica |
| US2114123A (en) * | 1935-11-01 | 1938-04-12 | American Cyanamid Co | Amorphous precipitated silica and method of preparation thereof |
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| US3855394A (en) * | 1969-10-03 | 1974-12-17 | O Burke | Silica pigments and preparation thereof |
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-
1976
- 1976-03-19 SE SE7603441A patent/SE420596B/xx not_active IP Right Cessation
- 1976-03-22 GB GB1140176A patent/GB1511125A/en not_active Expired
- 1976-03-23 FR FR7608338A patent/FR2313315A1/fr active Granted
- 1976-03-23 DE DE2612281A patent/DE2612281A1/de active Granted
- 1976-03-24 IT IT2154976A patent/IT1058526B/it active
- 1976-03-24 AU AU12293/76A patent/AU502847B2/en not_active Expired
- 1976-03-24 CA CA248,633A patent/CA1097030A/en not_active Expired
- 1976-03-25 NL NL7603156A patent/NL173737C/xx not_active IP Right Cessation
- 1976-07-01 FR FR7620076A patent/FR2332955A1/fr active Granted
-
1978
- 1978-06-29 US US05/920,204 patent/US4230765A/en not_active Expired - Lifetime
-
1979
- 1979-10-12 SE SE7908472A patent/SE7908472L/sv not_active Application Discontinuation
-
1980
- 1980-07-22 US US06/171,163 patent/US4330519A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2332955B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-08-01 |
| SE7908472L (sv) | 1979-10-12 |
| GB1511125A (en) | 1978-05-17 |
| NL173737B (nl) | 1983-10-03 |
| FR2313315B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-11-14 |
| FR2313315A1 (fr) | 1976-12-31 |
| IT1058526B (it) | 1982-05-10 |
| DE2612281C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-09-03 |
| FR2332955A1 (fr) | 1977-06-24 |
| SE420596B (sv) | 1981-10-19 |
| NL7603156A (nl) | 1976-09-28 |
| US4330519A (en) | 1982-05-18 |
| DE2612281A1 (de) | 1977-01-20 |
| AU1229376A (en) | 1977-10-13 |
| NL173737C (nl) | 1984-03-01 |
| US4230765A (en) | 1980-10-28 |
| SE7603441L (sv) | 1976-09-26 |
| AU502847B2 (en) | 1979-08-09 |
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