Disclosed are formulations adapted to form a foamed cementitious composition, the foamed cementitious composition itself, a method of forming a hydraulic binder foam, and a method of conveying and applying the resulting foam to a substrate. A pumpable cementitious slurry is formed, the slurry is mix
Disclosed are formulations adapted to form a foamed cementitious composition, the foamed cementitious composition itself, a method of forming a hydraulic binder foam, and a method of conveying and applying the resulting foam to a substrate. A pumpable cementitious slurry is formed, the slurry is mixed with a gas such as air, and is subjected to mechanically created turbulence to generate gas bubbles and create a foam, which preferably is stabilized by a foam stabilizing agent such as polyvinyl alcohol present in the slurry. The foam is then conveyed to a nozzle or other suitable dispense point from which it is applied, for example sprayed, preferably uniformly, onto a substrate to be coated. Prior to dispensing, a set accelerator is preferably injected, which causes the foam to gel, which in turn improves the hangability of the product on a substrate. The spray material adheres to the substrate and hardens to form an insulative coating on the substrate. Also disclosed are dry compositions comprising a hydratable cementitious binder, a mechanical foam stabilizing agent, and optionally a fibrous component, set retarder and air entraining agent, said composition providing, on the addition of water, gas and mechanical turbulence, a settable foam which is capable of spray application to a steel structural member and which, after spray application, is adherent to the member in the foamed state and after setting. The foam after setting, forms a fire and heat protective adherent coating on the member.
대표청구항▼
What is claimed is: 1. A dry mixture for forming a fireproofing composition adapted to be spray applied to a steel substrate, said dry mixture comprising a hydraulic binder, a steel substrate adherence and coherence agent in an amount effective for enhancing the adherence and coherence to said stee
What is claimed is: 1. A dry mixture for forming a fireproofing composition adapted to be spray applied to a steel substrate, said dry mixture comprising a hydraulic binder, a steel substrate adherence and coherence agent in an amount effective for enhancing the adherence and coherence to said steel substrate, and a set retarder, said dry mixture providing, upon the addition of water, a pumpable slurry capable of spray application to a steel substrate and which, after spray application is adherent to said substrate, wherein said hydraulic binder is present in an amount of 90 to 95%, and said substrate adherence and coherence agent is powdered polyvinyl alcohol in an amount of 1-3%. 2. The dry mixture of claim 1, wherein said dry mixture further comprises 0.25% alpha-olefin sulfate, 0.5% glass fibers, 1% cellulosic fibers, 0-2% calcium carbonate, 0.1-0.3% retarder, and 0-2% Portland cement.
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이 특허에 인용된 특허 (61)
Enoue ; Takasi, Additive to be admixed to cements.
Hoarty John T. (1 Barn Lane Golborne ; nr Warrington WA3 3NR GB2) Hodgkinson Leslie (10 Lindi Avenue Grappenhall ; Warrington WA4 2SJ GB2) Waddicor Michael J. (Beechcroft ; St. Matthews Close Appleto, Cement compositions.
Klauck Wolfgang,DEX ; Kluth Hermann,DEX ; Huebner Wilfried,DEX ; Kolenda Felicitas,DEX, Composition for producing light plaster, production of the foaming agent used therefor and its use.
Richards Turner W. (Conyers GA) Francis Hubert C. (Lithonia GA) Fowler George F. (Norcross GA), Firedoor constructions including gypsum building product.
Plunguian Mark (6912 Columbia Drive BOTH OF ; Alexandria VA 22307) Cornwell Charles E. (7104 Marlan Drive BOTH OF ; Alexandria VA 22307), Foamed cementitious compositions and method of producing same.
Chao Yen-Yau H. (Harleysville PA) Larson Gary R. (Hatfield PA) Linder Linus W. (Lansdale PA) Bauman Mike J. (Mundelein IL), Foamed hydraulic compositions containing copolymeric foam stabilizers.
Thomson Donald W. (1215 Lakeview Dr. Inverness FL 32650) Christopher R. Keene (2705 VanBuren St. Weedsport NY 13166), Foamed insulation and process for producing the same.
Delvaux Pierre (Bromptonville CAX) Lesmerises Normand (Rock Forest CAX) Poisson Daniel (Sherbrooke CAX) Gouin Marcel (Deauville CAX), Light weight mineral foam and process for preparing the same.
Sucech Steven W. (Lake Villa IL) Hinshaw Stewart E. (Sweetwater TX) Nemeth Bradley S. (Bedford IN) Buster Kip R. (Burlington IA), Method for preparing uniformly foamed gypsum product with less foam agitation.
Kambayashi Taiji (Yamatotakada JPX) Mekata Hideyuki (Kitakatsuragi JPX) Kataoka Hiroyuki (Matsubara JPX) Kato Chuzo (Tokyo JPX), Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and sh.
Koslowski Thomas (Aachen DEX) Hessler Klaus M. (Herzogenrath DEX) Musebrink Olaf (D-Ubach-Palenberg DEX) Kieker Joachim (Wegberg DEX), Process for producing gypsum building materials.
Hilton Dennis M. (Londonderry NH) Korenberg Paul E. (Carlisle MA) Conroy Suzanne M. (Arlington MA), Rapid setting cementitious fireproofing compositions and method of spray applying same.
Geal, III, George Clarence; Peters, Stanley R., Accelerating set times of flowable fill compositions with dry calcium chloride, and methods of utilizing and producing the same.
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