Polyamide-imide compositions from bisphenoxyphenyl diamine tricarboxylic anhydride and tetracarboxylic dianhydride

Claim 2

A polyamide-imide composition comprising recurring units corresponding to the formula ##STR6## wherein each of the A and B moieties is independently ##STR7## with →denoting isomerism and Ar being a tetravalent aromatic radical having each carboxyl group ortho to one other carboxyl group; each Y is independently halogen or C 1-6 alkyl; each n is independently an integer of 0 to 4, inclusive; and each X is independently a meta- or para-disposed stable linkage free of sulfone and amide groups, the A and B moieties of said composition providing about 5 to about 95 mole % (1) and about 95 to about 5 mole % (2) based on total moles of (1) and (2).

Claim 3

The composition of claim 1 wherein X comprises a covalent carbon-carbon bond, oxy, carbonyl or alkylene or alkylidene of one to about 12 carbon atoms.

Claim 4

The composition of claim 1 wherein Ar comprises a single aromatic ring or two or more aromatic rings fused or joined by one or more stable linkages.

Claim 5

The composition of claim 3 wherein X comprises an isopropylidene group, n is zero and Ar is 1,2,4,5 phenylene.

Claim 6

The composition of claim 1 having an Acid Titre of about 1 to about 3 milliequivalents COOH per gram.

Claim 7

The composition of claim 1 further comprising at least one other thermoplastic resin.

Claim 8

The composition of claim 1 as a solution in a nitrogen-containing, organic solvent.

Claim 9

The composition of claim 1 further comprising at least one particulate or fibrous material or a combination thereof.

Claim 10

The composition of claim 8 wherein the fibrous material comprises glass or carbon fibers.

Claim 11

A polyamide-imide composition comprising the product of reacting in a nitrogen-containing solvent components comprising trimellitic acid component, aromatic tetracarboxylic acid component in which each carboxyl group is ortho to one other carboxyl group and diamine component corresponding to the formula ##STR8## wherein X is a meta-orpara-disposed, stable linkage free of sulfone and amide groups, each Y is independently halogen or alkyl of one to about six carbon atoms and each n is independently an integer of 0 to 4, inclusive; the portions of trimellitic acid component and aromatic tetracarboxylic acid component ranging from about 5 to about 95 mole % and about 95 to about 5 mole % based on total moles of such trimellitic acid and aromatic tetracarboxylic acid components.

Claim 12

A polyamide-imide composition comprising the product of reacting in a nitrogen-containing solvent components comprising trimellitic acid component, aromatic tetracarboxylic acid component in which each carboxyl group is ortho to one other carboxyl group and diamine component corresponding to the formula ##STR8## wherein X is a meta-orpara-disposed, stable linkage free of sulfone and amide groups, each Y is independently halogen or alkyl of one to about six carbon atoms and each n is independently an integer of 0 to 4, inclusive; the portions of trimellitic acid component and aromatic tetracarboxylic acid component ranging from about 5 to about 95 mole % and about 95 to about 5 mole % based on total moles of such trimellitic acid and aromatic tetracarboxylic acid components.

Claim 13

The composition of claim 10 wherein the trimellitic acid component comprises in combination trimellitic anhydride and 4-trimellitoyl anhydride chloride.

Claim 14

The composition of claim 10 wherein the aromatic tetracarboxylic acid component comprises pyromellitic acid dianhydride or biphenyltetracarboxylic acid dianhydride.

Claim 15

The composition of claim 10 wherein the diamine component comprises 2,2-bis(4(p-aminophenoxy)phenyl) propane.

Claim 16

The composition of claim 10 further comprising at least one other thermoplastic resin.

Claim 17

The composition of claim 10 as a solution in a nitrogen-containing organic solvent.

Claim 18

The composition of claim 10 further comprising at least one particulate or fibrous material or combination thereof.

Claim 19

The composition of claim 16 wherein the fibrous material comprises glass or carbon fibers.

Claim 20

A polyamide-imide composition comprising recurring units corresponding to the formula: ##STR9## wherein each of the A and B moieties is independently ##STR10## with → denoting isomerism and Ar being a tetravalent aromatic radical having each carboxyl group ortho to one other carboxyl group. each Y is independently halogen or C 1-6 alkyl; each n is independently an integer of 0 to 4 inclusive; and each X is independently an alkylene or alkylidene group of one to about twelve carbon atoms, the A and B moieties of said composition providing about 5 to about 95 mole % (I) and about 95 to about 5 mole % (2) based on total moles of (1) and (2).

Claim 21

A polyamide-imide composition comprising recurring units corresponding to the formula: ##STR9## wherein each of the A and B moieties is independently ##STR10## with → denoting isomerism and Ar being a tetravalent aromatic radical having each carboxyl group ortho to one other carboxyl group. each Y is independently halogen or C 1-6 alkyl; each n is independently an integer of 0 to 4 inclusive; and each X is independently an alkylene or alkylidene group of one to about twelve carbon atoms, the A and B moieties of said composition providing about 5 to about 95 mole % (I) and about 95 to about 5 mole % (2) based on total moles of (1) and (2).

Claim 22

The composition of claim 18 wherein Ar comprises a single aromatic ring or two or more aromatic rings fused or joined by one or more stable linkages.

Claim 23

The composition of claim 19 wherein X comprises an isopropylidene group and n is zero.

Claim 24

The composition of claim 20 wherein Ar comprises 1,2,4,5-phenylene.

Claim 25

The composition of claim 20 wherein Ar comprises ##STR11##

Claim 26

The composition of claim 18 having an Acid Titre of about 1 to about 3 milliequivalents COOH per gram.

Claim 27

The composition of claim 18 further comprising at least one other thermoplastic resin.

Claim 28

The composition of claim 18 as a solution in a nitrogen-containing, organic solvent.

Claim 29

The composition of clam 18 further comprising at least one particulate of fibrous material or a combination thereof.

Claim 30

The composition of clam 18 further comprising at least one particulate of fibrous material or a combination thereof.

Claim 31

The composition of claim 24 wherein the fibrous material comprises glass or carbon fibers.

Claim 32

A polyamide-imide composition comprising the product of reacting in a nitrogen-containing solvent components comprising trimellitic acid component, aromatic tetracarboxylic acid component is which each carboxyl group is ortho to one other carboxyl gorup and diamine component corresponding to the formula ##STR12## wherein each X is independently an alkylene or alkylidene group of one to about twelve carbon atoms, each Y is independently halogen or alkyl of one to about six carbon atoms and each n is independently an integer of 0 to 4, inclusive; the portions of trimellitic acid component and aromatic tetracarboxylic acid component ranging from about 5 to about 95 mole % and about 95 to about 5 mole % based on total moles of such trimellitic acid and aromatic tetracarboxylic acid components.

Claim 33

A polyamide-imide composition comprising the product of reacting in a nitrogen-containing solvent components comprising trimellitic acid component, aromatic tetracarboxylic acid component is which each carboxyl group is ortho to one other carboxyl gorup and diamine component corresponding to the formula ##STR12## wherein each X is independently an alkylene or alkylidene group of one to about twelve carbon atoms, each Y is independently halogen or alkyl of one to about six carbon atoms and each n is independently an integer of 0 to 4, inclusive; the portions of trimellitic acid component and aromatic tetracarboxylic acid component ranging from about 5 to about 95 mole % and about 95 to about 5 mole % based on total moles of such trimellitic acid and aromatic tetracarboxylic acid components.

Claim 34

The composition of claim 28 wherein the trimellitic acid component comprises in combination trimellitic anhydride and 4-trimellitoyl anhydride chloride.

Claim 35

The composition of claim 28 wherein the aromatic tetracarboxylic acid component comprises pyromellitic acid dianydride or biphenyltetracarboxylic acid dianhydride

Claim 36

The composition of claim 28 wherein the diamine component comprises 2,2-bis(4(p-aminophenoxy)phenyl) propane.

Claim 37

The composition of claim 28 further comprising at least one other thermoplastic resin.

Claim 38

The composition of claim 28 as a solution in a nitrogen-containing organic solvent.

Claim 39

The composition of claim 28 further comprising at least one particulate or fibrous material or combination thereof.

Claim 40

The composition of claim 34 wherein the fibrous material comprises glass or carbon fibers.