Fire resistant composition containing gypsum and silicate-based material and processs for making same |
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| 申请号 | US29517072 | 申请日 | 1972-10-05 | 公开(公告)号 | US3853571A | 公开(公告)日 | 1974-12-10 |
| 申请人 | GELBMAN L; | 发明人 | GELBMAN L; | ||||
| 摘要 | Fire-resistant compositions comprising gypsum or gypsum and magnesium oxysulfate and a synthetic material including a processed mixture of anhydrous sodium silicate, liquid sodium silicate and a heat triggered neutralizer such as boric acid. If desired, a bulk density modifier such as Portland cement may be added. The fire-resistant compositions may be fabricated into construction elements such as wallboard, soundproofing panels and thermal insulation or applied as a spray to provide furnace linings, fireproofing coating layers on girders and the like. | ||||||
| 权利要求 | 1. A FIRE-RESISTANT COMPODITION SUITABLE FOR USE IN CONSTRUCTION MATERIALS SUCH AS WALLBOARD, INSULATION, SOUNDPROOFING, FIREPROOFING, FURNACE LINING AND BULDING PRODUCTS OR THE LIKE AND EXHIBITING INCREASED STRENGTH AND STRUCTURAL INTEGRITY WHEN SUBJECTED TO TEMPERATURES IN EXCESS OF 400*F. UP TO 2,000*F. CONSISTING ESSENTIALLY OF 1 PART, BY VOLUME, GYPSUM, AND 1 TO 22 PARTS, BY VOLUME, OF A SILICATE-BASED SYNTHETIC LIGHTWEIGHT AGGREGATE MATERIAL HAVING A BULK DENSITY OF 1.4 TO 6 POUNDS PER CUBIC FOOT AND COMPRISING A HEAT-EXPANDED MIXTURE OF ABGTDROUS SODIUM SILICATE, LIQUID SODIUM SILICATE AND A HEAT-TRIGGERED NEUTRALIZER MATERIAL. 2. A fire-resistant composition suitable for use in construction materials such as wallboard, insulation, soundproofing, fireproofing, furnace lining and building products or the like and exhibiting increased strength and structural integrity when subjected to temperatures in excess of 400* F. up to 2,000* F. consisting essentially of gypsum, magnesium oxysulfate and a silicate-based synthetic lightweight aggregate material having a bulk density of 1.4 to 6 pounds per cubic foot and comprising a heat-expanded mixture of anhydrous sodium silicate, liquid sodium silicate and a heat-triggered neutralizer material. 3. A fire-resistant composition as claimed in claim 2 wherein the gypsum and magnesium oxysulfate are combined by volume in the ratio of 1 part gypsum to 1 part magnesium oxysulfate and the synthetic material is combined by volume in the ratio of 6 parts synthetic material to each part of combined gypsum and magnesium oxysulfate. 4. A fire-resistant composition as claimed in claim 1 wherein the synthetic material also contains Portland cement. |
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