CA1047742A - Process for increasing the mechanical strength of porous articles - Google Patents
Process for increasing the mechanical strength of porous articlesInfo
- Publication number
- CA1047742A CA1047742A CA223,421A CA223421A CA1047742A CA 1047742 A CA1047742 A CA 1047742A CA 223421 A CA223421 A CA 223421A CA 1047742 A CA1047742 A CA 1047742A
- Authority
- CA
- Canada
- Prior art keywords
- article
- sulphur
- drying
- temperature
- free water
- 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
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 16
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000005864 Sulphur Substances 0.000 claims abstract description 62
- 239000004567 concrete Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000012798 spherical particle Substances 0.000 claims description 3
- 239000004927 clay Substances 0.000 abstract description 4
- 239000000155 melt Substances 0.000 abstract description 3
- 238000010304 firing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 11
- 239000011148 porous material Substances 0.000 description 10
- 239000004568 cement Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920001021 polysulfide Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- FAYYUXPSKDFLEC-UHFFFAOYSA-L calcium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound [Ca+2].[O-]S([O-])(=O)=S FAYYUXPSKDFLEC-UHFFFAOYSA-L 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- -1 hydroxyl ions Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
- C04B22/02—Elements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/0018—Coating or impregnating "in situ", e.g. impregnating of artificial stone by subsequent melting of a compound added to the artificial stone composition
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/142—Mixtures or their components, e.g. aggregate
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK182174A DK182174A (da) | 1974-04-02 | 1974-04-02 | Fremgangsmade til forogelse af den mekaniske styrke af porosekeramiske genstande ved svovlimpregnering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1047742A true CA1047742A (en) | 1979-02-06 |
Family
ID=8108303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA223,421A Expired CA1047742A (en) | 1974-04-02 | 1975-04-01 | Process for increasing the mechanical strength of porous articles |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS50145421A (enrdf_load_stackoverflow) |
| CA (1) | CA1047742A (enrdf_load_stackoverflow) |
| DE (1) | DE2514217A1 (enrdf_load_stackoverflow) |
| DK (1) | DK182174A (enrdf_load_stackoverflow) |
| FR (1) | FR2265702A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1477810A (enrdf_load_stackoverflow) |
| NO (1) | NO751013L (enrdf_load_stackoverflow) |
| SE (1) | SE7503437L (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234754A (en) * | 1978-11-03 | 1993-08-10 | Bache Hans H | Shaped article and composite material and method for producing same |
| CA1195020A (en) * | 1980-09-12 | 1985-10-08 | Robert E. Loov | Freeze/thaw durable sulphur compositions |
| WO2011073272A1 (en) * | 2009-12-15 | 2011-06-23 | Shell Internationale Research Maatschappij B.V. | Concrete composition |
| CN119933271B (zh) * | 2025-04-07 | 2025-07-22 | 华侨大学 | 一种模块化建造火星金字塔结构居住舱的方法 |
-
1974
- 1974-04-02 DK DK182174A patent/DK182174A/da unknown
-
1975
- 1975-03-24 NO NO751013A patent/NO751013L/no unknown
- 1975-03-25 SE SE7503437A patent/SE7503437L/xx unknown
- 1975-04-01 CA CA223,421A patent/CA1047742A/en not_active Expired
- 1975-04-01 GB GB1323375A patent/GB1477810A/en not_active Expired
- 1975-04-01 DE DE19752514217 patent/DE2514217A1/de active Pending
- 1975-04-02 JP JP50039302A patent/JPS50145421A/ja active Pending
- 1975-04-02 FR FR7510280A patent/FR2265702A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2265702A1 (enrdf_load_stackoverflow) | 1975-10-24 |
| SE7503437L (enrdf_load_stackoverflow) | 1975-10-03 |
| GB1477810A (en) | 1977-06-29 |
| JPS50145421A (enrdf_load_stackoverflow) | 1975-11-21 |
| DE2514217A1 (de) | 1975-10-16 |
| DK182174A (da) | 1975-10-03 |
| NO751013L (enrdf_load_stackoverflow) | 1975-10-03 |
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