Glaze

FIELD: chemistry.

SUBSTANCE: invention relates to the technology of silicates and in particular to glaze compounds, that can be used to cover products made of porcelain, faience, majolica and other ceramics. Glaze contains the following in % wt: SiO2 33.0–35.0; CdO 13.0–15.0; B2O3 33.0–35.0; K2O 1.0–2.0; Al2O3 16.0–17.0.

EFFECT: high heat resistance of glaze.

1 cl, 1 tbl

 



 

Same patents:

FIELD: chemistry.

SUBSTANCE: invention relates to powdered printing media which are suitable for sintered ceramic materials, ink compositions for ceramics, which include printing media and ceramic pigments, and to methods of decorating wet or annealed ceramic bodies using said printing media and compositions. The printing medium includes 5-50 wt % inorganic absorbent, 10-50 wt % glycol, 20-70 wt % urea and 0.1-10 wt % rheology modifier.

EFFECT: powdered printing media yield inks for ceramics, which make it possible to make decorations having a comparable or improved definition relative to inks obtained using conventional liquid media.

10 cl, 3 tbl, 2 ex

Coloured glaze // 2539070

FIELD: chemistry.

SUBSTANCE: coloured glaze contains, weight portions: lead monoxide 4-4.5; quartz sand 4-4.5; kaolin 0.5-1; cobalt oxide 0.3-0.5; calcium borate 0.5-1; sodium borate 0.5-1.

EFFECT: higher water resistance of the glaze.

1 tbl

Glaze // 2531121

FIELD: chemistry.

SUBSTANCE: invention relates to a charge for a glaze obtaining. The glaze contains the following components, wt %: clay - 2-3; kaolin - 5-10; quartz sand - 5-10; zinc oxide -6-8; zirconium silicate - 7-10; zeolite - 20-25; wollastonite - 4-7; nepheline - 30-35; sodium tripolyphosphate - 0.3-0.4; carboxymethylcellulose - 0.2-0.25.

EFFECT: extension of a raw material base and an increase of the glaze hardness.

3 tbl

FIELD: chemistry.

SUBSTANCE: charge contains the following components, wt %: pegmatite 13.0-15.0; quartz sand 20.0-30.0; borax 20.0-25.0; soda ash 1.0-1.5; strontium carbonate 3.0-5.0; dolomite 1.0-1.5; boric acid 15.0-20.0; zinc oxide 5.0-7.0; spodumene 7.0-10.0.

EFFECT: increased frost resistance of the glazes.

1 tbl

FIELD: process engineering.

SUBSTANCE: invention relates to production of parts of composite materials and can be used in gas turbines and aircraft turbo machines. Method of surfacing the part including fibrous carcass of refractory fibres compacted by ceramic matrix and having wavy and rough surface includes application of refractory glass-like coat, the latter containing the following components at their following ratio in wt %: silicon dioxide - 55-70, aluminium oxide - 5-20, barium oxide - 5-15 and calcium oxide - 5-10. It features melting temperature of at least 1300°C. Prior to applying said coat, liquid composition containing polymer, a ceramics precursor, and solid refractory filler is applied on part surface.

EFFECT: better aero dynamical characteristics of the part.

15 cl, 5 dwg

Glaze for tiles // 2522600

FIELD: construction.

SUBSTANCE: glaze for tiles includes, weight parts: lead monoxide 2-2.5; quartz sand 5-6; kaolin 1-1.5; cobalt oxide 0.3-0.5; calcium borate 1-1.5; borax 0.1-0.3. Heat resistance is of 8-1 cycles. Glaze boiling is carried out at temperature of 1400°C. Firing of glaze coat is carried out at temperature of 1000-1100°C.

EFFECT: increase of heat resistance of glaze.

1 tbl

FIELD: construction.

SUBSTANCE: glazing for ornamented tiles contains the following components, wt %: yellow lead 36-44; quartz sand 30-36; kaolin 2-3; cobalt oxide 1-2; zircon 16-20; talc 4-6.

EFFECT: increased water resistance of glazing.

1 tbl

Coloured glaze // 2513968

FIELD: chemistry.

SUBSTANCE: coloured glaze contains the following components, in pts. wt: yellow lead 2-2.5; quartz sand 5-5.5; kaolin 0.1-0.2; cobalt oxide 0.3-0.5; zinc oxide 0.1-0.2, borax 2-2.5.

EFFECT: high water-resistance of the coloured glaze.

1 tbl

FIELD: chemistry.

SUBSTANCE: mixture for making glaze contains, pts.wt: scrap ceramic brick 10-15; calcium borate 10-15; quartz sand 45-55; calcium phosphate 10-15; talc 10-15. The technical result of the invention is high frost-resistance of the glaze. The glaze has frost-resistance of 150-180°C. The glaze is attached to the brick surface using low-temperature plasma.

EFFECT: high strength.

1 tbl

Glaze composition // 2513781

FIELD: chemistry.

SUBSTANCE: glaze mixture contains, wt %: quartz sand 41.0-43.0, dolomite 4.0-6.0, borax 19.0-23.5, alumina 1.0-1.5, chalk 1.0-1.5, potash 7.0-9.0, zirconium dioxide 4.0-6.0, calcined soda 1.0-1.5, bone ash 14.0-16.0.

EFFECT: high heat resistance of the glaze.

1 tbl

FIELD: metallurgy.

SUBSTANCE: electroinsulating glass enamel for stainless steel products contains the following components, wt %: SiO2- 20.0-25.0; CaO- 4.5-12.0; SrO-1.0-2.0; CdO- 2.0-3.0; MnO- 0.1-0.5; K20 - 3.0-4.0; Na2O-1.0-1.5; B2O3- 5.0-5.5; CaF2-4.0-5.0; MoO3 - 0.5-0.8; Cr2O3 -0.5-0.8; Co2O3 -0.1-0.5; NiO - 0.1-1.0; Na3AlF6 - 0.1-0.5; BaO is the rest.

EFFECT: reduced dielectric losses.

1 ex, 2 tbl

FIELD: metallurgy.

SUBSTANCE: protective glassceramic coating for steel contains the following components, wt %: SiO2 -30.26-33.82; Al2O3 - 1.02-1.14; B2O3 - 13.17-14.73; Na2O - 13.26-14.82; K2O- 0.60-0.67; Li2O - 1.96-2.18; CaO-2.72-3.04; SrO - 2.63-2.94; TiO2-1.19-1.33; BaO -2.12-2.37; CaF2 - 2.46-2.76; Fe2O3 - 6.89-7.69; Co2O3 -1.02-1.14; MnO2 - 5.70 -6.37; slag of hydropower stations- 5.00-15.00.

EFFECT: increased acid and alkali resistance of the coating.

3 ex

Glase // 2435741

FIELD: chemistry.

SUBSTANCE: invention relates to the industry of construction materials and glase compositions for applying on ceramic tiles, glased tiles, roof tiles. The glase consists of the following in wt %: kaolin 3.0-8.0; feldspar 34.0-37.0; quartz sand 3.0-8.0; chalk 1.0-1.5; tin oxide 9.0-11.0; barium carbonate 1.0-1.5; cobalt sulphate 1.0-1.5; borax 33.5-36.0; cryolite 4.5-5.5.

EFFECT: low fritting and firing temperature of the glase.

1 tbl

Tile glase // 2430036

FIELD: construction.

SUBSTANCE: tile glase includes the following components, wt parts: clay 5-7, quartz sand 70-74, chalk 5-7, soda ash 5-7, cryolite 9-11.

EFFECT: production of environmentally safe protective-decorative glass-like coating.

1 tbl

Glase // 2411198

FIELD: chemistry.

SUBSTANCE: invention relates to glase compositions for depositing on ceramic tiles, roofing tiles, objects for decorative and art purposes. The glase contains the following in pts. wt: quartz sand 50-55; bichromate 2-3; fluorspar 2-3; pyrolusite 2-3; chalk 10-15; calcined soda 26.5-28. Components of the mixture are fused at temperature 1400°C. The obtained molten glass is granulated in water, ground and glase slurry is prepared. Articles coated with the glase are burnt at 900°C.

EFFECT: glase is environmentally safe.

1 tbl

Glase // 2384535

FIELD: chemistry.

SUBSTANCE: glase contains the following components in wt %: SiO2 16.9-18.8; Al2O3 24.0-26.0; B2O3 24.0-26.0; K2O 1.0-2.0; ZrO2 26.0-28.0; F' 0.1-0.2; CaO 3.0-4.0.

EFFECT: glase is characterised by high water resistance.

1 tbl

FIELD: chemistry.

SUBSTANCE: present invention pertains to mass compositions for making enamel coating for cast iron and steel objects. The frit contains the following components, in wt.%: SiO2 - 9.0-18.0; Al2O3 - 44.0-48.0; Na2O - 6.0-8.0; B2O3 - 21.0-29.0; Na3AlF6 - 10.0-12.0; MgO - 1.0-2.0; P2O5 - 1.0-2.0.

EFFECT: increased heat resistance of enamel coating.

1 tbl

Decorative coating // 2345965

FIELD: chemistry.

SUBSTANCE: present invention pertains to decorative coatings for glass objects. The decorative coating contains the following components, in wt %: SiO2 - 35.0-40.0; Al2O3 - 21.0-22.0; ZnO - 1.0-2.0; CaO - 30.0-35.0; Na3AlF6 - 3.0-5.0; Na2O - 3.0-5.0.

EFFECT: increased thermal coefficient of expansion of the decorative coating.

1 tbl

Glaze // 2345004

FIELD: chemistry.

SUBSTANCE: glaze contains SiO2, Al2O3, B2O3, K2O, TiO2, ZrO2, CaF2, with following component ratio, wt %: SiO2- 55.5-56.0; Al2O3- 4.0-6.0; B2O3 - 24.0-25.0; K2O - 1.0-2.0; TiO2 - 4.0-6.0; ZrO2 - 4.5-6.0; CaF2 - 2.0-4.0.

EFFECT: increasing of glaze waterproofness.

1 tbl

Glaze // 2341469

FIELD: chemistry.

SUBSTANCE: proposed glaze contains SiO2, B2O3, Na3AlF6, ZrO2, CaO, BaO, Al2O3, ZnO and SrO. The components are in the following ratios, in wt %: SiO2 36.0-40.0; B2O3 20.0-22.0; Na3AlF6 6.0-8.0; ZrO2 8.0-10.0; CaO 1.5-2.5; BaO 1.5-2.5; Al2O3 6.0-8.0; ZnO 8.0-10.0; SrO 4.0-6.0.

EFFECT: increased heat resistance of the glaze.

1 tbl

Glaze // 2505493

FIELD: chemistry.

SUBSTANCE: glaze contains, wt %: broken window and/or package glass 75-80; kaoilin 3-4; NaOH and KOH alkaline melt 3-4; barite 6-8; zircon 2-3; magnesite 3-4; zinc oxide 2-3.

EFFECT: increased frost resistance of glaze.

1 tbl

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