US3983081A — Inorganic-organic composition

Claim 1

Independent Claim 138 words

An inorganic-organic composition obtained by reacting a mixture of: A. from 5-98% by weight of an organic polyisocyanate, B. from 95-2% by weight of an aqueous alkali metal silicate solution containing about 20-70% by weight of said alkali metal silicate, C. from 0-93% by weight of an inorganic water-binding component, said water-binding component being capable of absorbing water to form a solid or a gel, and based on the total weight of components (A), (B) and (C), D. from 1-30% by weight of a halogen or phosphorus containing compound, with the proviso that when component (C), is from 0-20% by weight, component (A) contains 2-200 milliequivalents of ionic groups or groups capable of forming ionic groups in the presence of alkali metal silicates per 100 grams of said organic isocyanate, and wherein said composition is a solid/solid xerosol.

Claim 2

Dependent Claim 138 words

An inorganic-organic composition obtained by reacting a mixture of: A. from 5-98% by weight of an organic polyisocyanate, B. from 95-2% by weight of an aqueous alkali metal silicate solution containing about 20-70% by weight of said alkali metal silicate, C. from 0-93% by weight of an inorganic water-binding component, said water-binding component being capable of absorbing water to form a solid or a gel, and based on the total weight of components (A), (B) and (C), D. from 1-30% by weight of a halogen or phosphorus containing compound, with the proviso that when component (C), is from 0-20% by weight, component (A) contains 2-200 milliequivalents of ionic groups or groups capable of forming ionic groups in the presence of alkali metal silicates per 100 grams of said organic isocyanate, and wherein said composition is a solid/solid xerosol.

Claim 3

Dependent Claim 28 words

The composition of claim 1, with the further proviso that at least enough water is present in the reaction mixture to combine with substantially all of component (C).

Claim 4

Dependent Claim 26 words

The composition of claim 1, wherein the organic polyisocyanate contains ionic groups or groups capable of forming ionic groups in the presence of alkali metal silicates.

Claim 5

Dependent Claim 36 words

The composition of claim 3, wherein the organic polyisocyanate contains from 2-200 milliequivalents of ionic groups or groups capable of forming ionic groups in the presence of alkali metal silicates per 100 grams of organic polyisocyanate.

Claim 6

Dependent Claim 29 words

The composition of claim 1, wherein the aqueous silicate solution contains 32-54% by weight silicate and the ratio by weight of polyisocyanate to silicate is from 70:30 to 20:80.

Claim 7

Dependent Claim 47 words

The composition of claim 1, wherein an inert liquid boiling at temperatures of -25°C to +50°C is included in the reaction mixture as a blowing agent in a quantity of up to 50% by weight, and the reaction mixture is allowed to react to completion while foaming.

Claim 8

Dependent Claim 24 words

The solid/solid xerosol composition of claim 1, in which the average transverse diameter of the dispersed phase is between 20 nm and 2 microns.

Claim 9

Dependent Claim 9 words

The composition of claim 7, which contains glass fibers.

Claim 10

Dependent Claim 17 words

The product of claim 7, wherein the said average diameter is between 50 nm and 700 nm.

Claim 11

Dependent Claim 10 words

The composition of claim 7, wherein both phases are coherent.

Claim 12

Dependent Claim 16 words

The composition of claim 7, containing an inert inorganic or organic particulate or powder filler material.

Claim 13

Dependent Claim 60 words

The composition of claim 1, where said composition is based on: A 10-80% by weight of said organic polyisocyanate, B 20-80% by weight of said aqueous alkali metal silicate solution, C 10-70% by weight of a water-binding component, and, based on the total weight of components (A), (B) and (C), D 2-20% by weight of halogen or phosphorus containing compound.

Claim 14

Dependent Claim 13 words

The foamed composition of claim 12, wherein the mixture contains a blowing agent.

Claim 15

Dependent Claim 20 words

The foamed composition of claim 13, wherein the blowing agent is a halogenated hydrocarbon with a boiling point below 100°C.

Claim 16

Dependent Claim 20 words

The composition of claim 12, wherein the mixture contains an activator which accelerates the reaction of isocyanate groups with water.

Claim 17

Dependent Claim 12 words

The composition of claim 15, wherein the activator is a tertiary amine.

Claim 18

Dependent Claim 13 words

The composition of claim 12, wherein the reaction mixture contains a foam stabilizer.

Claim 19

Dependent Claim 13 words

The composition of claim 12, wherein the reaction mixture contains an emulsifying agent.

Claim 20

Dependent Claim 17 words

The composition of claim 12, wherein the mixture contains an inert inorganic particulate or fibrous filler material.

Claim 21

Dependent Claim 17 words

The composition of claim 12, wherein the mixture contains an inert organic particulate or fibrous filler material.

Claim 22

Dependent Claim 21 words

The composition of claim 12, wherein the mixture contains an organic compound containing hydrogen atoms which are reactive with isocyanate groups.

Claim 23

Dependent Claim 31 words

The composition of claim 12, wherein the alkali metal silicate is sodium silicate in which the molar ratio of Na 2 O:SiO 2 is within the range of 1:1.6 and 1:3.3.

Claim 24

Dependent Claim 30 words

The composition of claim 12, wherein the polyisocyanate is an organic prepolymer which contains ionic groups or groups capable of forming ionic groups in the presence of alkali metal silicates.

Claim 25

Dependent Claim 14 words

The composition of claim 12, wherein the polyisocyanate contains sulphonic acid and/or sulphonate groups.

Claim 26

Dependent Claim 19 words

The composition of claim 12, wherein the water-binding component is a hydraulic cement, synthetic anhydrite, gypsum or burnt lime.

Claim 27

Dependent Claim 60 words

The composition of claim 12, wherein said composition is based on: A 10-50% by weight of said organic polyisocyanate, B 20-70% by weight of said alkali metal silicate solution, C 20-70% by weight of a water-binding component, and, based on the total weight of components (A), (B) and (C), D 2-20% by weight of a halogen or phosphorus containing compound.

Claim 28

Dependent Claim 60 words

The composition of claim 12, wherein said composition is based on: A 10-35% by weight of said organic polyisocyanate, B 30-60% by weight of said alkali metal silicate solution, C 30-60% by weight of a water-binding component and, based on the total weight of components (A), (B) and (C), D 2-20% by weight of a halogen or phosphorus containing compound.

Claim 29

Dependent Claim 137 words

A process for producing an inorganic-organic composition comprising: A from 5-98% by weight of an organic polyisocyanate, B from 95-2% by weight of an aqueous alkali metal silicate solution containing about 20-70% by weight of said alkali metal silicate, C from 0-93% by weight of an inorganic water-binding component, said water-binding component being capable of absorbing water to form a solid or a gel, and based on the total weight of components (A), (B) and (C), D from 1-30% by weight of a halogen or phosphorus containing compound, with the proviso that when component (C), is from 0-20% by weight, component (A) contains 2-200 milliequivalents of ionic groups or groups capable of forming ionic groups in the presence of alkali metal silicates per 100 grams of said organic isocyanate, and wherein said composition is a solid/solid xerosol.

Claim 30

Dependent Claim 137 words

A process for producing an inorganic-organic composition comprising: A from 5-98% by weight of an organic polyisocyanate, B from 95-2% by weight of an aqueous alkali metal silicate solution containing about 20-70% by weight of said alkali metal silicate, C from 0-93% by weight of an inorganic water-binding component, said water-binding component being capable of absorbing water to form a solid or a gel, and based on the total weight of components (A), (B) and (C), D from 1-30% by weight of a halogen or phosphorus containing compound, with the proviso that when component (C), is from 0-20% by weight, component (A) contains 2-200 milliequivalents of ionic groups or groups capable of forming ionic groups in the presence of alkali metal silicates per 100 grams of said organic isocyanate, and wherein said composition is a solid/solid xerosol.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1979-09-28	1980-03-29	1980-09-28	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1983-09-28	1984-03-29	1984-09-28	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1987-09-28	1988-03-29	1988-09-28	$7700.00	Window Closed / Lapsed

Inorganic-organic composition

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