• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Mineral polymer compound of the silicoaluminates family, comprised of a solid solution comprising a potassium polysilicate phase having the composition (y-1)K<u2>uO:(x-2)SiO<u2>u:(w-1)H<u2>uO, wherein "w" is a value which is, at the most, equal to 4, "x" is a value comprised between 3.3 and 4.5, "y" is a value comprised between 0.9 and 1.6, and a potassium polysialate polymer phase having the formula: (FORMULA) said potassium polysialate polymer having a diagram to X-rays close to that of a natural mineral known as Kaliophilite KAlSiO<u4>u. Process for producing such polymer and the mineral polymer compound, comprising the preparation of a reaction mixture based on potassium silicate, on potassium hydroxide KOH and on aluminosilicate oxide (Si<u2>uO<s5>s, Al<u2>uO<u3>u)n, such that the molar ratios of the reaction products expressed in terms of oxides are either comprised or equal to the following values: K<u2>uO/SiO<u2>u : 0.23 to 0.48 SiO<u2>u/Al<u2>uO<u3>u : 3.3 to 4.5 H<u2>uO/Al<u2>uO<u3>u : 10 to 25 K<u2>uO/Al<u2>uO<u3>u : 0.9 to 1.60 and hardening said reaction mixture at a temperature lower than 120`C. Utilization in the manufacture of molded articles containing at least a mineral load. Utilization as a binder or a ciment. Manufacture of articles resisting to thermal shocks, art objects, moulds and tools.
    公开号:SU1347864A3
    申请号:SU823500775
    申请日:1982-10-01
    公开日:1987-10-23
    发明作者:Давидович Жозеф
    申请人:Жозеф Давидович И Сосьете Координасьон Э Девелопман Де Лъиновасьон Корди, Са. (Фирма)；
    IPC主号:
    专利说明:

    one,
    This invention relates to the production of polymer aluminosilicates and molded products containing mineral polymer aluminosilicate.
    The purpose of the invention is to increase the hardness of the target product - and simplify the method.
    Example 1. Preparing a reaction mixture containing, mol: H, 0 17.33, KjO 1.63; SiO ,, 4.46 and 1.081. AljOj is taken as an aluminosilicate (Si20 ,, - A1.0) j, obtained by dehydroxylation of natural polyhydroxyaluminosilicate (A1 (OH)) ji SiO - also in the form of this aluminosilicate and a solution of potassium silicate; - in the form of potassium silicate and anhydrous KOI.
    The molar ratio of reactive oxides is as follows: KjO / SiOj 0.36 SiO / AljO 4.12, HjO / AljOj 16.03; KjO / Al Oj 1.51.
    The liquid mixture is kept for 1 hour at room temperature, after which it is cast into a mold. The top layer of the mass is covered with plastic wrap and placed in a drying oven for 1 hour and 30 minutes. at. Remove the mixture from the mold is dried at 85 C. The density of the product is 1.7 g / ml, hardness 4.5 on the Mohs scale. The product of white color, slightly porous, phyto-chemical analysis yields a mode of composition of 1.5 K, O: 4.1 SiO: 3 HjO, which corresponds to the polymeric compound, which contains the potassium polycate in solid solution. empirical formula 0.5 K, О:: 2.1 SiOj: 2 HjO and one compound (K) -PS of the formula:
    (K) L-5-0-. O-) H, 0.
    I / fi, P
    Oh oh
    The Deba-Scherrer radiograph (line K-alpha copper, camera with a radius of 57.3 mm) gives the lines (K) PS shown in n tables.

    . Kaliofilit
    (K) -PS
    KAlSiO,
    (K) J-Si-O-Al-0-), O O
    about
    BUT
    d,
    about
    BUT
    Table continuation
    ten
    Halo
    10-11,5 Halo
    The resulting solid has very distinct cracks that disappear when at least one mineral filler is added to the reaction mixture. The molded products obtained in this way possess excellent physical and mechanical properties, for example, the flexural strength is about 180 kg / cm, the hardness can reach 7 on the Mohs scale, the linear expansion coefficient depending on the temperature (2-5) -10 m / m ° C.
    Example 2. In Example 1. 960 g of a reaction mixture containing 22.88 mol of aluminosilicate (Si ,, 05-Al505) 24 OTHER unchanged components was prepared.
    The molar ratios of the reaction oxides of example 1 except for the ratio H O / AXXOz equal to 21.
    ten
    31347864
    The liquid mixture is aged for 1 hour at room temperature, after which 640 g of synthetic cordierite containing mullite with a particle size of less than 120 µm is added. The resulting viscous mixture is poured into a mold and cured at 85 ° C for 1 hour and 30 minutes. After drying at a product density of 2.3 g / ml, Mohs hardness is 5. Polycondensation is carried out with almost no reduction in volume.
    X-ray studies are carried out on a different basis (registration of theta / 2 theta curve, emission of a cobalt line at 1.79 A). In addition to very intense lines of cordierite and rather intense lines of mullite, there are lines of weak intensity; intensity of 4.49 / 4.28 / 3.53 / 2.59 / 2.28 / 2.16 L, as well as the area between 10.00 and 11.8 A. This X-ray diffraction pattern is a mixture with the following molar ratios of reactive oxides: K20 / Si02 0.30-0.38; SiO / AljOa 4.00-4.20; HjO / Al, 0.14-20, KjO / AljOj 1.30-1.52.
    Example 4. Prepare 860 g of the reaction mixture according to Example -1 with a molar ratio KjO / SiOj of 0.32, SiOj / AljOj 4.0, 14, KjO / AljOj 1.30 and add 220 g of muscovite with particle size to it. less than 120 microns and 90 g of calcium fluoride fine powder; CaF. The viscous resin thus obtained serves to agglomerate 1 kg of 150 g of zircon sand. This mixture is poured out with vibration into the mold and then kept at 85 ° C for 1 hour 30 minutes. After drying, the resulting product has a density of 3.0 g / ml. The product is brilliant, its hardness is 6 on the Mohs scale,
    Example 5. The reaction mixture was prepared according to Example 1 with molar
    0
    with radiograph (K) -PS, indicated by 25 K O / SiOj ratio of 0.38, .Si02 /
    in the table, however, the area between 3.38, 4.0, 20,
    2.80 A is overlaid by intense li-1.52. After aging, formed by thi mordierite. brush applied
    Example 3. In Example 1, a goto-thin layer on the matrix is
    in t 792 g of the reaction mixture, containing a 30-negative sculpture. Parallel
    5 g of silicon with a particle size of 0.5-5 mm is introduced into the mixer and 0.5 g (10% by weight of silicon) of the same mineral resin is added. The mixture is vibrated in an already loaded matrix, covered with plastic wrap and allowed to cure at ambient temperature (25 ° C). The next day, a sculpture covered with a thin, hard, shiny crust is removed from the mold.
    cabbage 13.5 mol HjO, with other unchanged components.
    The molar ratios of the reaction oxides of example 1 except for the ratio H O / Aly O equal to 12.5.
    The liquid mixture is incubated for 1 h at room temperature, 540 g of synthetic cordierite containing mullite with a particle size of less than 120 µm is added, and then it is fed as in Example 2.
    The X-ray study carried out according to Example 2 shows the same lines (K) -PS plus weakly intense lines 3.24 / 2.95 /, 2.88 / 2.82 A, i.e. in the amorphous strip located in the diagram (K) -PS of the table between 2.79 and 3.23 X
    The ratio can vary from 10 to 25. The optimum values are 14-20. Higher values increase the porosity of the product obtained, while lower values may disturb the potassium silicate phase of the solid solution of the polymer compound in combination with migration and free alkalinity. Thus, in practice it is preferable to use reactive
    mixtures with the following molar ratios of reactive oxides: K20 / Si02 0.30-0.38; SiO / AljOa 4.00-4.20; HjO / Al, 0.14-20, KjO / AljOj 1.30-1.52.
    Example 4. Prepare 860 g of the reaction mixture according to Example -1 with a molar ratio KjO / SiOj of 0.32, SiOj / AljOj 4.0, 14, KjO / AljOj 1.30 and add 220 g of muscovite with particle size to it. less than 120 microns and 90 g of calcium fluoride fine powder; CaF. The viscous resin thus obtained serves to agglomerate 1 kg of 150 g of zircon sand. This mixture is poured out with vibration into the mold and then kept at 85 ° C for 1 hour 30 minutes. After drying, the resulting product has a density of 3.0 g / ml. The product is brilliant, its hardness is 6 on the Mohs scale,
    Example 5. The reaction mixture was prepared according to Example 1 with molar
    negative sculpture. Parallel
    5 g of silicon with a particle size of 0.5-5 mm is introduced into the mixer and 0.5 g (10% by weight of silicon) of the same mineral resin is added. The mixture is vibrated in an already loaded matrix, covered with plastic wrap and allowed to cure at ambient temperature (25 ° C). The next day, a sculpture covered with a thin, hard, shiny crust is removed from the mold.
    The molded articles described in this invention are obtained by agglomerating 5 to 95 wt.h. products and mineral and / or organic fillers from 5-95 wt. binder, represented by a mineral polymer compound, whose composition in the form of oxides: xSiOj: wH, 0, in the hydrated form of which w is not more than 4, x is 3.3-4.5, y is 0.9-1.6.
    The mineral polymeric compound is a solid solution containing 35-90 wt., Part of potassium polysilicate of the formula
    (y-1) K.0: (x-2) SiO.: (w-1) HiO,
    5134
    10-65 ma.ch. potassium polysilicate formula
    (K) n (-Si-0-Al-0-) n pN, 0
    II
    radiograph which is close to the radiograph of the natural mineral kalio filita, shown in the table.
    Due to the fillers used, such as muscovite, natural or synthetic aluminosilicates, zircon, silicon carbide, fireclay or other ceramic or refractory products, molded products are highly resistant to thermal shock.
    Example 6. Preparing 860 g of the reaction mixture according to example 1 with molar ratios of oxides KjO / SiO 0.3, SiOj / Al Og 4.20, HjO / Al.Oj 16, KjO / AljO, 30.
    After the mixture has matured, it is applied in a thin layer with a brush on the matrix, which is the negative of the sculpture. In parallel, 5 kg of silicon with a particle size of 0.5–5 mm with a diamond is introduced into the mixer and 0.5 kg of the same mineral resin is added. The mixture is vibrated in an already loaded matrix, covered with plastic wrap and allowed to cure at ambient temperature (25 ° C). The next day, a sculpture covered with a thin, hard, shiny crust is removed from the mold.
    Compiled by T. Chilikina Editor P. Gereish Tehred M. Didyk Korrektor L. Pilipenko
    Order 5130/53 Circulation 455 Subscription
    VNSHSHI USSR State Committee
    for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
    Production and printing company, Uzhgorod, st. Project, 4
    7864
    The molded products obtained using the proposed method will find application in processing, construction for the manufacture of tools, panels, and coatings.
    权利要求:
    Claims (2)
    [1]
    1. A method for preparing a feldpathoid structure of the type of kaliofilit, including the interaction of an aluminosilicate with a potassium compound, characterized in that, in order to increase the hardness of the target product and simplify the process, aluminosilicate of the general formula (A1jOj), where aluminum is tetracoordinated, -124, potassium silicate and potassium hydroxide are used as the potassium compound, the reaction is carried out at the following molar ratio of oxides in the reaction mixture:
    at the same time, the reaction mixture is held in the form at 25-85 C.
    [2]
    2. The method according to claim 1, characterized in that, in order to improve the quality of the product by eliminating cracks, a non-hydrophilic mineral filler, spruce having a particle size below 0, is additionally introduced into the reaction mixture, 250 mm.
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1347864A3|1987-10-23|Method of producing feldspathoid of kaliophilite-type structure
    US4349386A|1982-09-14|Mineral polymers and methods of making them
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    SU833745A1|1981-05-30|Raw mixture for producing light-weght concretes
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    同族专利:
    公开号 | 公开日
    WO1982000816A1|1982-03-18|
    FR2489291A1|1982-03-05|
    EP0066571B1|1985-07-03|
    FR2489291B3|1983-05-20|
    EP0066571A1|1982-12-15|
    US4472199A|1984-09-18|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR8018971A|FR2489291B3|1980-09-03|1980-09-03|
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