Curable resinous composition

Claim 2

A curable resinous composition, which comprises: (a) a metal element-containing inorganic filler which has been treated with an oxo acid of pentavalent phosphorus or a derivative thereof, which has the formula: ##STR119## wherein A 1 is an organic group having at least one ethylenic double bond capable of radical polymerization and containing 5 to 60 carbon atoms; A 2 is a hydroxyl group, a mercapto group, a halogen atom, or an organic group containing 1 to 60 carbon atoms; at least one of A 1 and A 2 contains at least one hydrocarbyl group containing 4 to 60 carbon atoms, X 1 is an oxygen atom or a sulfur atom, and X 2 is a hydroxyl group, a mercapto group or a halogen atom; and (b) at least one monomer capable of radical polymerization which is selected from the group consisting of methacrylates and acrylates.

Claim 3

The composition of claim 1, wherein A 1 is a univalent organic group of the formula: ##STR120## in which R 1 is a hydrogen atom or a methyl group, R 2 is an organic group which contains 4 to 40 carbon atoms, contains at least one hydrocarbyl group with 4 to 40 carbon atoms, has a valence of (m+1) and is bound to each of the Y 1 and Y 2 groups with a carbon atom contained therein, Y 1 is --COO--, --COS--, or --CONR 3 --, where R 3 is a hydrogen atom or a hydrocarbyl group containing 1 to 6 carbon atoms, Y 2 is an oxygen atom, a sulfur atom, or ##STR121## m is an integer of 1 to 4, and k is an integer of 0 or 1, and wherein A 2 is a hydroxyl group, a mercapto group, or a halogen atom.

Claim 4

The composition of claim 1, wherein A 1 is a univalent organic group of the formula: ##STR122## in which R 1 is a hydrogen atom or a methyl group, R 2 is an organic group which contains 4 to 40 carbon atoms, contains at least one hydrocarbyl group with 4 to 40 carbon atoms, has a valence of (m+1) and is bound to each of the Y 1 and Y 2 groups with a carbon atom contained therein, Y 1 is --COO--, --COS--, --or CONR 3 --, where R 3 is a hydrogen atom or a hydrocarbyl group containing 1 to 6 carbon atoms, Y 2 is an oxygen atom, a sulfur atom, or ##STR123## m is an integer of 1 to 4, and k is an integer of 1 or 1; and wherein A 2 is a univalent organic group of the formula: ##STR124## in which R 1 ' is a hydrogen atom or a methyl group, R 2 ' is an organic group which contains 1 to 40 carbon atoms, has a valence of (j+1) and is bound to each of the Y 1 ' and Y 2 ' groups with a carbon atom contained therein, Y 1 ' is --COO--, --COS--, or --CONR 3 '--, where R 3 ' is a hydrogen atom or a hydrocarbyl group containing 1 to 6 carbon atoms, Y 2 ' is an oxygen atom, a sulfur atom, or ##STR125## j is an integer of 0 to 4, and l is an integer of 0 or 1.

Claim 5

The composition of claim 1, wherein A 1 is a univalent organic group of the formula: ##STR126## in which R 1 is a hydrogen atom or a methyl group, R 2 is an organic group which contains 4 to 40 carbon atoms, contains at least one hydrocarbyl group with 4 to 40 carbon atoms, has a valence of (m+1) and is bound to each of the Y 1 and Y 2 groups with a carbon atom contained therein, Y 1 is --COO--, --COS--, or --CONR 3 --, where R 3 is a hydrogen atom or a hydrocarbyl group containing 1 to 6 carbon atoms, Y 2 is an oxygen atom, a sulfur atom, or ##STR127## m is an integer of 1 to 4, and k is an integer of 0 or 1; and wherein A 2 is a univalent organic group of the formula: ##STR128## in which R 1 ' is a hydrogen atom or a methyl group, R 2 ' is an organic group which contains 1 to 40 carbon atoms, has a valence of (j+1) and is bound to each of the Y 1 ' and Y 2 ' groups with a carbon atom contained therein, Y 1 ' is --COO--, --COS--, or --CONR 3 '--, where R 3 ' is a hydrogen atom or a hydrocarbyl group containing 1 to 6 carbon atoms, Y 2 ' is an oxygen atom, a sulfur atom, or ##STR129## j is an integer of 0 to 4, and l is an integer of 0 or 1; X 1 is an oxygen atom or a sulfur atom; and X 2 is a hydroxyl group, a mercapto group, or a halogen atom.

Claim 6

The composition of claim 2, wherein X 1 is an oxygen atom, and X 2 and A 2 are each a hydroxyl group.

Claim 7

The composition of claim 2, wherein X 1 is an oxygen atom, and X 2 and A 2 are each a chlorine atom.

Claim 8

The composition of claim 2, wherein X 1 is a sulfur atom.

Claim 9

The composition of claim 3, wherein X 1 is an oxygen atom and X 2 is a hydroxyl group.

Claim 10

The composition of claim 3, wherein X 1 is an oxygen atom and X 2 is a chlorine atom.

Claim 11

The composition of claim 3, wherein X 1 is a sulfur atom.

Claim 12

The composition of claim 2, wherein m is 1 and R 2 is a group of the formula: --R.sub.4 --Y.sub.3 --R.sub.5 --Y.sub.3).sub.h R.sub.4 -- in which h is an integer of 0 or 1 and, when h is 0, R 4 is a hydrocarbyl group containing 4 to 20 carbon atoms and Y 3 is an oxygen atom; and when h is 1, R 4 is a hydrocarbyl group containing 2 to 9 carbon atoms, R 5 is a hydrocarbon residue containing 4 to 20 carbon atoms and Y 3 is an oxygen atom, --COO-- or --OOC--.

Claim 13

The composition of claim 3, wherein m is 1 and R 2 is a group of the formula: --R.sub.4 --Y.sub.3 --R.sub.5 --Y.sub.3).sub.h R.sub.4 -- in which h is an integer of 0 or 1 and, when h is 0, R 4 is a hydrocarbyl group containing 4 to 20 carbon atoms and Y 3 is an oxygen atom; and when h is 1, R 4 is a hydrocarbyl group containing 2 to 9 carbon atoms, R 5 is a hydrocarbon residue containing 4 to 20 carbon atoms and Y 3 is an oxygen atom, --COO-- or --OOC--.

Claim 14

The composition of claim 4, wherein m is 1 and R 2 is a group of the formula: --R.sub.4 --Y.sub.3 --R.sub.5 --Y.sub.3).sub.h R.sub.4 -- in which h is an integer of 0 or 1 and, when h is 0, R 4 is a hydrocarbyl group containing 4 to 20 carbon atoms and Y 3 is an oxygen atom; and when h is 1, R 4 is a hydrocarbyl group containing 2 to 9 carbon atoms, R 5 is a hydrocarbon residue containing 4 to 20 carbon atoms and Y 3 is an oxygen atom, --COO-- or --OOC--.

Claim 15

The composition of claim 2, wherein m is 1 and R 2 is a group of the general formula: --CH.sub.2 --.sub.i in which i is an integer of 4 to 40.

Claim 16

The composition of claim 3, wherein m is 1 and R 2 is a group of the general formula: --CH.sub.2 --.sub.i in which i is an integer of 4 to 40.

Claim 17

The composition of claim 4, wherein m is 1 and R 2 is a group of the general formula: --CH.sub.2 --.sub.i in which i is an integer of 4 to 40.

Claim 18

A cured article, prepared by curing a curable resinous compositon, which comprises: (a) a metal element-containing inorganic filler which has been treated with an oxo acid of pentavalent phosphorus or a derivative thereof, which has the formula: ##STR130## wherein A 1 is an organic group having at least one ethylenic double bond capable of radical polymerization and containing 5 to 60 carbon atoms; A 2 is a hydroxyl group, a mercapto group, a halogen atom, or an organic group containing 1 to 60 carbon atoms; at least one of A 1 and A 2 contains at least one hydrocarbyl group containing 4 to 60 carbon atoms, X 1 is an oxygen atom or a sulfur atom, and X 2 is a hydroxyl group, a mercapto group or a halogen atom; and (b) at least one monomer capable of radical polymerization which is selected from the group consisting of methacrylates and acrylates.

Claim 19

A cured article, prepared by curing a curable resinous compositon, which comprises: (a) a metal element-containing inorganic filler which has been treated with an oxo acid of pentavalent phosphorus or a derivative thereof, which has the formula: ##STR130## wherein A 1 is an organic group having at least one ethylenic double bond capable of radical polymerization and containing 5 to 60 carbon atoms; A 2 is a hydroxyl group, a mercapto group, a halogen atom, or an organic group containing 1 to 60 carbon atoms; at least one of A 1 and A 2 contains at least one hydrocarbyl group containing 4 to 60 carbon atoms, X 1 is an oxygen atom or a sulfur atom, and X 2 is a hydroxyl group, a mercapto group or a halogen atom; and (b) at least one monomer capable of radical polymerization which is selected from the group consisting of methacrylates and acrylates.

Claim 20

The composition of claim 1, wherein said metal element-containing inorganic filler which has been treated with said oxo acid of pentavalent phosphorus is prepared by a process comprising: (i) suspending said inorganic filler and said oxo acid of pentavalent phosphorus in a solvent selected from the group consisting of water, alcohol, hexane, benzene, toluene, and xylene, to obtain a suspension: (ii) stirring said suspension; and (iii) removing said solvent from said suspension.

Claim 21

The composition of claim 1, wherein said metal element-containing inorganic filler which has been treated with said oxo acid of pentavalent phosphorus is prepared by a process comprising: (i) charging said inorganic filler into a mixer; and (ii) adding said oxo acid of pentavalent phosphorus to said mixer while stirring.