Process for the manufacture of multi-component substances

Claim 2

PROCESS FOR THE PRODUCTION OF A GLASSY, OF CRYSTALLINE MULTI-COMPONENT OXIDE COATING ON A SUBSTRATE WHICH COMPRISES: P1 A. DISSOLVING IN AN ORGANIC SOLVENT AS A FIRST COMPONENT AT LEAST ONE OF ALKALI METAL COMPOUNDS AND ALKALI EARTH METAL COMPOUNDS AND AS A SECOND COMPONENT AT LEAST ONE OF METAL COMPOUNDS OF GROUPS IB, IIB, III, IV, V, VI, VII, A OR VIII OF THE PERIOD SYSTEM, MAINTAINING THE SOLVENT AT A TEMPERATURE AND FOR A TIME FOR REACTION OF SAID FIRST COMPONENT WITH SAID SECOND COMPONENT, AND FORMATION OF A SOLUTION CONTAINING THE REACTION PRODUCT, THE PROPORTION OF THE METAL COMPOUNDS IN SAID ORGANIC SOLUTION CORRESPONDING TO THE COMPOSITION OF SAID MULTI-COMPONENT OXIDE COATING. B. COATING THE SUBSTRATE WITH SAID SOLUTION, EVAPORATING SOLVENT FROM THE COATING IN THE PRESENCE OF MOISTURE, TO OBTAIN SAID REACTION PRODUCT IN SOLID, HYDROLZED FORM, AND C. HEATING SAID REACTION PRODUCT IN SOLID, HYDROLYZED FORM TO A TEMPERATURE BELOW THE MELTING POINT OR MELTING RANGE OF SAID MULTI-COMPONENT OXIDE TO FORM SAID MULTICOMPONENT OXIDE COATING.

Claim 3

Process according to claim 1, wherein said oxide coating is a glass, the ratio of the reactive metal compounds being so selected that the ratio of the resulting oxides is in the glass-forming range of the oxidic multi-component oxide coating.

Claim 4

Process according to claim 1, wherein said ratio of the reactive metal compounds corresponding to a glass-ceramic and the solvent coating containing nucleating agent so that a glass coating forms which by an appropriate temperature program can be partially crystallized to form the glass ceramic.

Claim 5

Process according to claim 1, wherein said oxide coating is crystalline, the ratio of the reactive metal compounds being so selected that a crystalline layer is formed.

Claim 6

Process according to claim 1, said heating being at a temperature no higher than the temperature of the transformation range.

Claim 7

Process according to claim 1 wherein said second component includes H3BO3, P2O5, As2O5 or a mixture thereof.

Claim 8

Process according to claim 1 and including in the organic solvent a stabilizer.

Claim 9

Process according to claim 7, wherein the stabilizer is acetyl acetone or triethanolamine.

Claim 10

Process according to claim 1, said second component metal compound being alkoxide or ester.

Claim 11

Process according to claim 1, wherein said substrate is a glass having a softening point higher then the temperature of said heating.

Claim 12

Process according to claim 1, wherein said substrate is a metal having a melting point higher than the temperature of said heating.

Claim 13

Process according to claim 4, wherein said multi-component coating is magnesium aluminum spinel.

Claim 14

Process according to claim 3, and heating the glass coating to transform it into a glass ceramic.

Claim 15

Process according to claim 1, the first component being alkoxide.

Claim 16

Process according to claim 5, the second component being alkoxide or ester.

Claim 17

Process according to claim 1, said first component being alkoxide, and said second component being alkoxide or ester.

Claim 18

Process according to claim 1, said first component being at least one of alkoxides of lithium, sodium, and potassium, said second component being at least one of compounds of magnesium, boron, titanium, silicon, phosphorus, aluminum, zirconium, lead, zinc, and arsenic.

Claim 19

Process according to claim 17, said second component being alkoxide or ester.

Claim 20

Process accordinG to claim 16, said second component being alkoxide.

Claim 21

Process according to claim 1, said first component being at least one of alkoxides of lithium, sodium and potassium, said second component being at least one of P2O5, As2O3 and H3BO4.

Claim 22

Process according to claim 1, the organic solvent being an alcohol, ketone or ester.

Claim 23

process according to claim 1, the organic solvent being an alcohol.

Claim 24

Process according to claim 1, wherein coating with said solvent is effected by immersing the substrate in the solution containing the reaction product, withdrawing the wetted substrate in ambient air, and allowing solvent to evaporate from the withdrawn substrate.

Claim 25

Process of making a glass, or crystalline oxidic multi-component oxide coating on a substrate which comprises: a. dissolving in an organic solvent as a first component at least one of alkali metal alkoxides and alkali earth metal alkoxides, and as a second component at least one of metal compounds of Groups IB, IIB, III, IV, V, VI, VII A or VIII of the periodic system, maintaining the solution at a temperature and for a time for reaction of said first component with said second component, and formation of a solution containing the reaction product, the proportion of the metal compounds in said organic solution corresponding to the composition of the glass, b. coating the substrate with said solution, evaporating solvent from the solvent coating in the presence of moisture, to obtain said reaction product in hydrolyzed, gel form, and c. heating said reaction product in hydrolyzed, gel form at a temperature in or below the transformation range for a time sufficient to convert said reaction product to said glass or crystalline multi-component oxide coating substance, d. the proportion of the invidivual components dissolved in the organic solvent being such that the composition of the glass produced is in the glassy or crystalline region of the, respective, multi-component oxide glass or crystalline coating.

Claim 26

Process of making a glass, or crystalline oxidic multi-component oxide coating on a substrate which comprises: a. dissolving in an organic solvent as a first component at least one of alkali metal alkoxides and alkali earth metal alkoxides, and as a second component at least one of metal compounds of Groups IB, IIB, III, IV, V, VI, VII A or VIII of the periodic system, maintaining the solution at a temperature and for a time for reaction of said first component with said second component, and formation of a solution containing the reaction product, the proportion of the metal compounds in said organic solution corresponding to the composition of the glass, b. coating the substrate with said solution, evaporating solvent from the solvent coating in the presence of moisture, to obtain said reaction product in hydrolyzed, gel form, and c. heating said reaction product in hydrolyzed, gel form at a temperature in or below the transformation range for a time sufficient to convert said reaction product to said glass or crystalline multi-component oxide coating substance, d. the proportion of the invidivual components dissolved in the organic solvent being such that the composition of the glass produced is in the glassy or crystalline region of the, respective, multi-component oxide glass or crystalline coating.