SU1266842A1 - Composition of binder for compacting ceramic powders - Google Patents
Composition of binder for compacting ceramic powders Download PDFInfo
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- SU1266842A1 SU1266842A1 SU843715210A SU3715210A SU1266842A1 SU 1266842 A1 SU1266842 A1 SU 1266842A1 SU 843715210 A SU843715210 A SU 843715210A SU 3715210 A SU3715210 A SU 3715210A SU 1266842 A1 SU1266842 A1 SU 1266842A1
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- SU
- USSR - Soviet Union
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- ceramic powders
- ethyl
- composition
- binder
- phosphoric acid
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- Compositions Of Oxide Ceramics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
СОСТАВ СВЯЗКИ ДЛЯ ПРЕССОВАНИЯ КЕРАМИЧЕСКИХ ПОРОШКОВ, включающий этилсиликат и воду, отличающийс тем, что, с целью повышени прочности и термостойкости изделий, он дополнительно содержит поливиниловый спирт, этиловый спирт и фосфорную кислоту при следующем соотношении компонентов, мас.%: Этилсиликат . 24-28 Поливиниловый спирт 3-6 Этиловый спирт 3-6 Фосфорна кислота 0,05-0,07 ВодаОстальноеBOND COMPOSITION FOR PRESSING CERAMIC POWDERS, including ethyl silicate and water, characterized in that, in order to increase the strength and thermal stability of products, it additionally contains polyvinyl alcohol, ethyl alcohol and phosphoric acid in the following ratio of components, wt.%: Ethyl silicate. 24-28 Polyvinyl alcohol 3-6 Ethyl alcohol 3-6 Phosphoric acid 0.05-0.07 WaterReal
Description
112668 Изобретение относитс к производству керамических огнеупорных материалов и может быть использовано при получении изделий методом полусухого прессовани . Цель изобретени - увеличение прочности и термостойкости керамики. Составы предлагаемой св зки представлены в табл. 1. Таблица 10 . Компоненты Состав св зки, 5 Этилсиликат Поливиниловый спирт Этиловый спирт Ацетон Фосфорна 0,05 0,06 0,07 кислота 69,95 65,94 59,93 Св зки готов т путем смешивани воЩюго. раствора поливинилового спир та и гидролизованного этиловым спиртом .этилсиликата с добавкой фосфорной кислоты. 5 422 При приготовлении масс, состав которых представлен в табл. 2, в качестве наполнител используют порошки оксида алюмини , оксида магни и диоксида циркони , стабилизированного оксидом иттри . Размеры частиц порошка менее 88 мкм. Таблица2 т Компоненты Состав, мае.% I III I III I IV I V IVllviI --- - , 90 90 . 90 MgO90 90 90 Св зка 1 10 10 10 10 10 Дл определени предела прочности керамики при сжатии и ее термостойкости получают призматические образцы с размерами 7,5 х 21,1 х X 33 мм и цилиндрические с диаметром 36 мм, равным высоте соответственно. Давление прессовани образцов 80 МПа. Температура спекани 1750 С. Проч ностные и термические свойства образцов представлены в табл. 3. Т а б л и ц а 3112668 The invention relates to the production of ceramic refractory materials and can be used in the preparation of products by the method of semi-dry pressing. The purpose of the invention is to increase the strength and heat resistance of ceramics. The compositions of the proposed binder are presented in Table. 1. Table 10. Components Composition of Binder, 5 Ethyl Silicate Polyvinyl Alcohol Ethyl Alcohol Acetone Phosphoric 0.05 0.06 0.07 Acid 69.95 65.94 59.93 Binders are prepared by mixing together. solution of polyvinyl alcohol and hydrolyzed with ethyl alcohol. ethyl silicate with the addition of phosphoric acid. 5 422 In the preparation of the masses, the composition of which is presented in table. 2, powders of alumina, magnesia and zirconia stabilized with yttria are used as fillers. The particle size of the powder is less than 88 microns. Table2 t Components Composition,% by% I III I III I IV I V IVllviI --- -, 90 90. 90 MgO90 90 90 Link 1 10 10 10 10 10 To determine the ultimate strength of ceramics under compression and its heat resistance, prismatic specimens with dimensions of 7.5 x 21.1 x X 33 mm and cylindrical with a diameter of 36 mm equal to the height are obtained, respectively. The pressing pressure of the samples is 80 MPa. The sintering temperature is 1750 C. The strength and thermal properties of the samples are presented in Table. 3. T a b i c a 3
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU843715210A SU1266842A1 (en) | 1984-01-13 | 1984-01-13 | Composition of binder for compacting ceramic powders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU843715210A SU1266842A1 (en) | 1984-01-13 | 1984-01-13 | Composition of binder for compacting ceramic powders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1266842A1 true SU1266842A1 (en) | 1986-10-30 |
Family
ID=21109118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU843715210A SU1266842A1 (en) | 1984-01-13 | 1984-01-13 | Composition of binder for compacting ceramic powders |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1266842A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2426975A (en) * | 2005-06-10 | 2006-12-13 | John William Carson | Binder for mineral aggregates |
-
1984
- 1984-01-13 SU SU843715210A patent/SU1266842A1/en active
Non-Patent Citations (1)
| Title |
|---|
| Попильский Р.Я. и ПивинскийЮ.Е. Прессование порошковых керамических масс. М.: Металлурги , 1983, 176 с. Авторское свидетельство СССР № 484931, кл. В 22 С 1/20,25.04.74. * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2426975A (en) * | 2005-06-10 | 2006-12-13 | John William Carson | Binder for mineral aggregates |
| GB2426975B (en) * | 2005-06-10 | 2010-09-29 | John William Carson | Improved building construction |
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