Layered organophosphorous inorganic polymers containing oxygen bonded to carbon
AssigneeOccidental Research Corporation
InventorsPeter M. DiGiacomo, Martin B. Dines
Life of this patent
Estimating the term…
Abstract
A process for the production of phosphorus-containing organo-substituted solid inorganic polymers containing oxygen bonded to carbon comprising reacting in a liquid medium (e.g. water) at least one tetravalent metal ion and at least one organophosphorus acid of the formula; [(HO).sub.2 OP].sub.n R or [(HO).sub.2 OPO].sub.n R wherein n is 1 or 2 and R is an organo group covalently coupled to phosphorus, and which also contains oxygen coupled to carbon but not to phosphorus, and wherein when n is 2, R contains at least two carbon atoms and is directly or indirectly coupled to the phosphorus atoms through different carbon atoms whereby the two phosphorus atoms are separated by at least two carbon atoms.
Claims27
A process for the production of phosphorus containing organo substituted inorganic polymers containing oxygen bonded to carbon which comprises reacting in a liquid medium:
- (a) at least one organophosphorus acid of the formula
- [(HO).sub.2 OP].sub.n R or [(HO).sub.2 OPO].sub.n R
- wherein n is 1 or 2 and R is an organo group covalently coupled to phosphorus and which also contains oxygen coupled to carbon but not to phosphorus and wherein when n is 2, R contains at least two carbon atoms and is directly or indirectly coupled to the phosphorus atoms through different carbon atoms whereby the two phosphorus atoms are separated by at least two carbon atoms, (b) with at least one tetravalent metal ion, to precipitate from the liquid medium, a solid inorganic polymer in which the molar ratio of phosphorus to tetravalent metal is about 2 to 1 and in which the organo group is covalently bonded to phosphorus and phosphorus is linked to the tetravalent metal through oxygen.
Process for esterification of a carboxy-end terminated phosphorus-tetravalent metal inorganic solid comprising reacting said solid with an alcohol and an acid catalyst.
A process for the production of phosphorus-containing, organo-substituted, layered inorganic polymers containing oxygen bonded to carbon which comprises reacting in a liquid medium:
- (a) at least one organophosphorus acid of the formula
- [(HO).sub.2 OP].sub.n R or [(HO).sub.2 OPO].sub.n R
- wherein n is 1 or 2 and R is an organo group covalently coupled to phosphorus and which also contains oxygen coupled to carbon but not to phosphorus and wherein when n is 2, R contains at least two carbon atoms and is directly or indirectly coupled to the phosphorus atoms through different carbon atoms whereby the two phosphorus atoms are separated by at least two carbon atoms,
- (b) with at least one tetravalent metal ion, to precipitate from the liquid medium, a solid comprising layered inorganic polymers in which the molar ratio of phosphorus to tetravelent metal is about 2 to 1 and in which the organo group is covalently bonded to phosphorus and phosphorus is linked to the tetravlanet metal through oxygen.
A process for the production of phosphorus-containing, organo-substituted inorganic polymers containing oxygen bonded to carbon which comprises reacting in a liquid medium:
- (a) at least one organophosphorus acid of the formula
- [(HO).sub.2 OP].sub.n R or [(HO).sub.2 OPO].sub.n R
- wherein n is 1 or 2 and R is an organo group covalently coupled to phosphorus and which also contains oxygen coupled to carbon but not to phosphorus and wherein when n is 2, R contains at least two carbon atoms and is directly or indirectly coupled to the phosphorus atoms through different carbon atoms whereby the two phosphorus atoms are separated by at least two carbon atoms,
- (b) with at least one tetravalent metal ion, to precipitate from the liquid medium, a solid comprising spaced apart sheets of inorganic polymers in which the molar ratio of phosphorus to tetravalent metal is about 2 to 1 and in which the organo group is covalently bonded to phosphorus and phosphorus is linked to the tetravalent metal through oxygen.
A process for the production of phosphorus containing organo-substituted inorganic polymers including a carbon-oxygen-carbon bond, the process comprising reacting in a liquid medium:
- (a) at least one organophosphorus acid of the formula:
- [(HO).sub.2 OP].sub.n R or [(HO).sub.2 OPO].sub.n R
- wherein n is 1 or 2 and R comprises an organo group covalently coupled to phosphorus and which includes a carbon-oxygen-carbon bond, wherein when n is 2, R contains at least two carbon atoms and is directly or indirectly coupled to the phosphorus atoms through different carbon atoms whereby the two phosphorus atoms are separated by at least two carbon atoms;
- and
- (b) at least one tetravalent metal ion to precipitate from the liquid medium a solid inorganic polymer in which the molar ratio of phosphorus to tetravalent metal is about 2 to 1 and in which the organo group is covalently bonded to phosphorus and phosphorus is linked to the tetravalent metal through oxygen.
A phosphorus-containing organo-substituted layered inorganic polymer including structural units having the empirical formula:
- M(O.sub.3 PO.sub.n R).sub.2 or M(O.sub.3 PO.sub.n R"PO.sub.3)
- wherein n is 0 or 1, R comprises an organo group covalently coupled to phosphorus and which also contains oxygen coupled to carbon but not phosphorus, R" comprises an organo group containing at least two carbon atoms bonded directly or indirectly to the phosphorus through different carbon atoms whereby the phosphorus atoms are separated by at least two carbon atoms and containing oxygen coupled to carbon and not to phosphorus, M comprises a tetravalent metal structurally linked to phosphorus through oxygen and wherein the molar ratio of phosphorus to tetravalent metal is about 2 to 1.
A phosphorus-containing organo-substituted layered inorganic polymer including structural units having the empirical formula:
- M(O.sub.3 PO.sub.n R).sub.2 or M(O.sub.3 PO.sub.n R"PO.sub.3)
- wherein n is 0 or 1, R comprises an organo group covalently coupled to phosphorus and which also includes a carbon-oxygen-carbon bond, R" comprises an organo group containing at least two carbon atoms bonded directly or indirectly to the phosphorus through different carbon atoms whereby the phosphorus atoms are separated by at least two carbon atoms and including a carbon-oxygen-carbon bond, M comprises a tetravalent metal structurally linked to phosphorus through oxygen and wherein the molar ratio of phosphorus to tetravalent metal is about 2 to 1.
A phosphorus-containing organo-substituted layered inorganic polymer including structural units comprising the formula:
- Th(O.sub.3 PCH.sub.2 OH).sub.2
A phosphorus-containing organo-substituted layered inorganic polymer including structural units comprising the formula:
- ##STR25##
A phosphorus-containing organo-substituted layered inorganic polymer including structural units comprising the formula:
- ##STR26##
A phosphorus-containing organo-substituted layered inorganic polymer including structural units comprising the formula:
- ##STR27##
A phosphorus-containing organo-substituted layered inorganic polymer including structural units comprising the formula:
- ##STR28##
Dependencies are inferred from the claim text.