RU2012120143A - GYPSUM CARDBOARD SHEETS WITH IMPROVED ADHESION BETWEEN THE LAYERS - Google Patents
GYPSUM CARDBOARD SHEETS WITH IMPROVED ADHESION BETWEEN THE LAYERS Download PDFInfo
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- RU2012120143A RU2012120143A RU2012120143/03A RU2012120143A RU2012120143A RU 2012120143 A RU2012120143 A RU 2012120143A RU 2012120143/03 A RU2012120143/03 A RU 2012120143/03A RU 2012120143 A RU2012120143 A RU 2012120143A RU 2012120143 A RU2012120143 A RU 2012120143A
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Abstract
1. Гипсовая суспензия для изготовления гипсокартонных листов с улучшенной адгезией между слоями, включающая: гипс, окисленный крахмал, пенообразующее вещество, пластификатор, бумажную пульпу, воду и дополнительно щелочной крахмальный клейстер.2. Гипсовая суспензия для изготовления гипсокартонных листов с улучшенной адгезией между слоями по п.1, включающая щелочной крахмальный клейстер в пересчете на товарный крахмал в количестве от 0,001% до 0,2% от веса гипса.3. Гипсовая суспензия для изготовления гипсокартонных листов с улучшенной адгезией между слоями по п.1, включающая щелочной крахмальный клейстер, имеющий следующие характеристики: концентрация по товарному крахмалу от 1% до 25%, условная вязкость на вискозиметре ВЗ-246 через сопло диаметром 4 мм до 50 с, водородный показатель от 11 до 15.4. Способ изготовления гипсокартонных листов с улучшенной адгезией между слоями, включающий следующие стадии: приготовление щелочного крахмального клейстера, приготовление водной суспензии бумажной пульпы, дозировку всех компонентов гипсовой суспензии в смеситель, смешение компонентов гипсовой суспензии, формование гипсокартонного полотна с требуемой формой кромки и толщиной, рубку полученного полотна гипсокартона на полосы, сушку в сушильной камере, резку и торцовку полос на требуемую длину.1. Gypsum slurry for the manufacture of drywall sheets with improved adhesion between the layers, including: gypsum, oxidized starch, foaming agent, plasticizer, paper pulp, water and optionally alkaline starch paste. 2. Gypsum slurry for the manufacture of drywall sheets with improved adhesion between layers according to claim 1, including alkaline starch paste in terms of marketable starch in an amount of from 0.001% to 0.2% by weight of gypsum. 3. Gypsum suspension for the manufacture of drywall sheets with improved adhesion between the layers according to claim 1, including alkaline starch paste, having the following characteristics: concentration on marketable starch from 1% to 25%, conditional viscosity on a viscometer VZ-246 through a nozzle with a diameter of 4 mm to 50 s, the hydrogen index is from 11 to 15.4. A method of manufacturing gypsum board sheets with improved adhesion between the layers, comprising the following stages: preparing an alkaline starch paste, preparing an aqueous suspension of paper pulp, dosing all the components of the gypsum suspension into a mixer, mixing the components of the gypsum suspension, molding the gypsum board with the desired edge shape and thickness, cutting obtained drywall sheets into strips, drying in a drying chamber, cutting and trimming strips to the required length.
Claims (4)
Priority Applications (1)
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RU2012120143/03A RU2502696C1 (en) | 2012-05-15 | 2012-05-15 | Gypsum boards with improved inter-layer adhesion |
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RU2012120143/03A RU2502696C1 (en) | 2012-05-15 | 2012-05-15 | Gypsum boards with improved inter-layer adhesion |
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RU2012120143A true RU2012120143A (en) | 2013-11-20 |
RU2502696C1 RU2502696C1 (en) | 2013-12-27 |
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RU2012120143/03A RU2502696C1 (en) | 2012-05-15 | 2012-05-15 | Gypsum boards with improved inter-layer adhesion |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115368098A (en) * | 2022-08-22 | 2022-11-22 | 武汉理工大学 | Industrial byproduct gypsum product coated with carbon mineralized coating and preparation method thereof |
Family Cites Families (6)
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SU1541194A1 (en) * | 1987-05-27 | 1990-02-07 | Киевский Завод Строительных Материалов | Method of producing gypsum-board sheets |
US7731794B2 (en) * | 2005-06-09 | 2010-06-08 | United States Gypsum Company | High starch light weight gypsum wallboard |
FR2899225B1 (en) * | 2006-03-30 | 2008-05-30 | Lafarge Platres | ALLEGEED PLASTER PLATE AND PLASTER PULP COMPOSITION USEFUL FOR ITS MANUFACTURE. |
US8262820B2 (en) * | 2006-04-28 | 2012-09-11 | United States Gypsum Company | Method of water dispersing pregelatinized starch in making gypsum products |
US8114451B2 (en) * | 2006-12-27 | 2012-02-14 | Kraft Foods Global Brands Llc | Resealable closure with package integrity feature |
US8303159B2 (en) * | 2008-09-05 | 2012-11-06 | United States Gypsum Company | Efficient wet starch preparation system for gypsum board production |
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2012
- 2012-05-15 RU RU2012120143/03A patent/RU2502696C1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115368098A (en) * | 2022-08-22 | 2022-11-22 | 武汉理工大学 | Industrial byproduct gypsum product coated with carbon mineralized coating and preparation method thereof |
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RU2502696C1 (en) | 2013-12-27 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20150516 |