Poly(ester-amide) capable of forming an anisotropic melt phase derived from 6-hydroxy-2-naphthoic acid, other aromatic hydroxyacid, carbocyclic dicarboxylic acid, and aromatic monomer capable of forming an amide linkage

Claim 2

A melt processable poly(ester-amide) capable of forming an anisotropic melt phase at a temperature below approximately 400° C. consisting essentially of recurring moieties I, II, III, IV, and, optionally, V wherein: I is ##STR12## II is ##STR13## where Ar is a divalent radical comprising at least one aromatic ring other than 2,6-naphthylene; III is ##STR14## where A is a divalent carbocyclic radical; IV is --Y--AR'--Z--, where Ar' is a divalent radical comprising at least one aromatic ring, Y is O, NH, or NR, and Z is NH or NR, where R is an alkyl group of 1 to 6 carbon atoms or an aryl group; and V is --O--AR''--O--, where Ar'' is a divalent radical comprising at least one aromatic ring, wherein at least some of the hydrogen atoms present upon the rings optionally may be replaced by substitution selected from the group consisting of an alkyl group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4 carbon atoms, halogen, phenyl, and mixtures thereof, and wherein the total molar concentration of moiety I and moiety II in the polymer is within the range of approximately 10 to 90 mole percent, with the molar ratio of moiety I:moiety II being within the range of approximately 1:9 to 9:1, and the total molar concentration of moiety IV and moiety V is substantially equal to the molar concentration of moiety III, with moiety IV being present in a concentration within the range of approximately 5 to 45 mole percent.

Claim 3

The melt processable poly(ester-amide) of claim 1 which is capable of forming an anisotropic melt phase at a temperature below approximately 350° C.

Claim 4

The melt processable poly(ester-amide) of claim 1 which exhibits an inherent viscosity of at least approximately 1.0 dl./g. when measured at a concentration of 0.1 weight/volume percent in pentafluorophenol at 60° C.

Claim 5

The melt processable poly(ester-amide) of claim 3 which exhibits an inherent viscosity of at least approximately 2.0 dl./g. when measured at a concentration of 0.1 weight/volume percent in pentafluorophenol at 60° C.

Claim 6

The melt processable poly(ester-amide) of claim 1 consisting essentially of approximately 1 to 80 mole percent of moiety I, approximately 1 to 80 mole percent of moiety II, approximately 5 to 45 mole percent of moiety III, approximately 5 to 45 mole percent of moiety IV, and approximately 0 to 25 mole percent of moiety V.

Claim 7

The melt processable poly(ester-amide) of claim 1 wherein the total molar concentration of moiety I and moiety II is within the range of approximately 20 to 80 mole percent.

Claim 8

The melt processable poly(ester-amide) of claim 1 wherein the molar ratio of moiety I:moiety II is within the range of approximately 1:3 to 3:1.

Claim 9

The melt processable poly(ester-amide) of claim 1 wherein said divalent carbocyclic radical of moiety III comprises at least one aromatic ring or at least one divalent trans-1,4-cyclohexylene radical.

Claim 10

The melt processable poly(ester-amide) of claim 5 wherein moiety V is present in a concentration within the range of approximately 5 to 25 mole percent.

Claim 11

A molding compound comprising the melt processable poly(ester-amide) of claim 1 which incorporates approximately 1 to 60 percent by weight of a solid filler and/or reinforcing agent.

Claim 12

A molded article comprising the melt processable poly(ester-amide) of claim 1.

Claim 13

A fiber which has been melt spun from the melt processable poly(ester-amide) of claim 1.

Claim 14

A film which has been melt extruded from the melt processable poly(ester-amide) of claim 1.

Claim 15

A melt processable poly(ester-amide) capable of forming an anisotropic melt phase at a temperature below approximately 400° C. consisting essentially of recurring moieties I, II, III, IV, and, optionally, V wherein: I is ##STR15## II is ##STR16## where Ar is a divalent radical comprising at least one aromatic ring other than 2,6-naphthylene; III is ##STR17## where A is a divalent radical comprising at least one aromatic ring or at least one divalent trans-1,4-cyclohexylene radical; IV is --Y--Ar'--Z--, where Ar' is a divalent radical comprising at least one aromatic ring, Y is O, NH, or NR, and Z is NH or NR, where R is an alkyl group of 1 to 6 carbon atoms or an aryl group; and V is --O--Ar''--O--, where Ar'' is a divalent radical comprising at least one aromatic ring, wherein at least some of the hydrogen atoms present upon the rings optionally may be replaced by substitution selected from the group consisting of an alkyl group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4 carbon atoms, halogen, phenyl, and mixtures thereof, and wherein the total molar concentration of moiety I and moiety II in the polymer is within the range of approximately 20 to 80 mole percent, with the molar ratio of moiety I:moiety II being within the range of approximately 1:3 to 3:1, and the total molar concentration of moiety IV and moiety V is substantially equal to the molar concentration of moiety III, with moiety IV being present in a concentration within the range of approximately 5 to 40 mole percent.

Claim 16

A melt processable poly(ester-amide) capable of forming an anisotropic melt phase at a temperature below approximately 400° C. consisting essentially of recurring moieties I, II, III, IV, and, optionally, V wherein: I is ##STR15## II is ##STR16## where Ar is a divalent radical comprising at least one aromatic ring other than 2,6-naphthylene; III is ##STR17## where A is a divalent radical comprising at least one aromatic ring or at least one divalent trans-1,4-cyclohexylene radical; IV is --Y--Ar'--Z--, where Ar' is a divalent radical comprising at least one aromatic ring, Y is O, NH, or NR, and Z is NH or NR, where R is an alkyl group of 1 to 6 carbon atoms or an aryl group; and V is --O--Ar''--O--, where Ar'' is a divalent radical comprising at least one aromatic ring, wherein at least some of the hydrogen atoms present upon the rings optionally may be replaced by substitution selected from the group consisting of an alkyl group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4 carbon atoms, halogen, phenyl, and mixtures thereof, and wherein the total molar concentration of moiety I and moiety II in the polymer is within the range of approximately 20 to 80 mole percent, with the molar ratio of moiety I:moiety II being within the range of approximately 1:3 to 3:1, and the total molar concentration of moiety IV and moiety V is substantially equal to the molar concentration of moiety III, with moiety IV being present in a concentration within the range of approximately 5 to 40 mole percent.

Claim 17

The melt processable poly(ester-amide) of claim 14 which is capable of forming an anisotropic melt phase at a temperature below approximately 350° C.

Claim 18

The melt processable poly(ester-amide) of claim 14 which exhibits an inherent viscosity of at least approximately 1.0 dl./g. when measured at a concentration of 0.1 weight/volume percent in pentafluorophenol at 60° C.

Claim 19

The melt processable poly(ester-amide) of claim 16 which exhibits an inherent viscosity within the range of approximately 3.0 to 9.0 dl./g. when measured at a concentration of 0.1 weight/volume percent in pentafluorophenol at 60° C.

Claim 20

The melt processable poly(ester-amide) of claim 14 consisting essentially of approximately 5 to 60 mole percent of moiety I, approximately 5 to 60 mole percent of moiety II, approximately 10 to 40 mole percent of moiety III, approximately 5 to 40 mole percent of moiety IV, and approximately 0 to 25 mole percent of moiety V.

Claim 21

The melt processable poly(ester-amide) of claim 14 wherein the total molar concentration of moiety I and moiety II is within the range of approximately 30 to 70 mole percent.

Claim 22

The melt processable poly(ester-amide) of claim 14 wherein the molar ratio of moiety I:moiety II is within the range of approximately 2:3 to 3:2.

Claim 23

The melt processable poly(ester-amide) of claim 14 wherein said divalent radical of moiety III comprises at least one aromatic ring.

Claim 24

The melt processable poly(ester-amide) of claim 18 wherein moiety V is present in a concentration within the range of approximately 5 to 25 mole percent.

Claim 25

A molding compound comprising the melt processable poly(ester-amide) of claim 14 which incorporates approximately 1 to 60 percent by weight of a solid filler and/or reinforcing agent.

Claim 26

A molded article comprising the melt processable poly(ester-amide) of claim 14.

Claim 27

A fiber which has been melt spun from the melt processable poly(ester-amide) of claim 14.

Claim 28

A film which has been extruded from the melt processable poly(ester-amide) of claim 14.

Claim 29

A melt processable poly(ester-amide) capable of forming an anisotropic melt phase at a temperature below approximately 350° C. consisting essentially of recurring moieties I, II, III, IV, and, optionally, V wherein: I is ##STR18## II is ##STR19## where Ar is a divalent radical comprising at least one aromatic ring other than 2,6-naphthylene; III is ##STR20## where A is a divalent radical comprising at least one aromatic ring; IV is --Y--Ar'--Z-- where Ar' is a divalent radical comprising at least one aromatic ring, Y is O, NH, or NR, and Z is NH or NR, where R is an alkyl group of 1 to 6 carbon atoms or an aryl group; and V is --O--Ar''--O--, where Ar'' is a divalent radical comprising at least one aromatic ring, wherein at least some of the hydrogen atoms present upon the rings optionally may be replaced by substitution selected from the group consisting of an alkyl group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4 carbon atoms, halogen, phenyl, and mixtures thereof, and wherein the total molar concentration of moiety I and moiety II in the polymer is within the range of approximately 30 to 70 mole percent, with the molar ratio of moiety I:moiety II being within the range of approximately 2:3 to 3:2, and the total molar concentration of moiety IV and moiety V is substantially equal to the molar concentration of moiety III, with moiety IV being present in a concentration within the range of approximately 5 to 35 mole percent.

Claim 30

A melt processable poly(ester-amide) capable of forming an anisotropic melt phase at a temperature below approximately 350° C. consisting essentially of recurring moieties I, II, III, IV, and, optionally, V wherein: I is ##STR18## II is ##STR19## where Ar is a divalent radical comprising at least one aromatic ring other than 2,6-naphthylene; III is ##STR20## where A is a divalent radical comprising at least one aromatic ring; IV is --Y--Ar'--Z-- where Ar' is a divalent radical comprising at least one aromatic ring, Y is O, NH, or NR, and Z is NH or NR, where R is an alkyl group of 1 to 6 carbon atoms or an aryl group; and V is --O--Ar''--O--, where Ar'' is a divalent radical comprising at least one aromatic ring, wherein at least some of the hydrogen atoms present upon the rings optionally may be replaced by substitution selected from the group consisting of an alkyl group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4 carbon atoms, halogen, phenyl, and mixtures thereof, and wherein the total molar concentration of moiety I and moiety II in the polymer is within the range of approximately 30 to 70 mole percent, with the molar ratio of moiety I:moiety II being within the range of approximately 2:3 to 3:2, and the total molar concentration of moiety IV and moiety V is substantially equal to the molar concentration of moiety III, with moiety IV being present in a concentration within the range of approximately 5 to 35 mole percent.

Claim 31

The melt processable poly(ester-amide) of claim 27 which exhibits an inherent viscosity of at least approximately 1.0 dl./g. when measured at a concentration of 0.1 weight/volume percent in pentafluorophenol at 60° C.

Claim 32

The melt processable poly(ester-amide) of claim 28 which exhibits an inherent viscosity within the range of approximately 3.0 to 9.0 dl./g. when measured at a concentration of 0.1 weight/volume percent in pentafluorophenol at 60° C.

Claim 33

The melt processable poly(ester-amide) of claim 27 consisting essentially of approximately 15 to 40 mole percent of moiety I, approximately 15 to 40 mole percent of moiety II, approximately 15 to 35 mole percent of moiety III, approximately 5 to 35 mole percent of moiety IV, and approximately 0 to 25 percent of moiety V.

Claim 34

The melt processable poly(ester-amide) of claim 30 wherein the moiety V is present in a concentration within the range of approximately 5 to 25 mole percent.

Claim 35

The melt processable poly(ester-amide) of claim 27 wherein said moiety II is a p-oxybenzoyl moiety.

Claim 36

The melt processable poly(ester-amide) of claim 27 wherein said moiety III is a terephthaloyl moiety.

Claim 37

The melt processable poly(ester-amide) of claim 27 wherein said moiety IV is derived from p-aminophenol or p-phenylenediamine.

Claim 38

The melt processable poly(ester-amide) of claim 27 wherein said moiety V is derived from hydroquinone.

Claim 39

A molding compound comprising the melt processable poly(ester-amide) of claim 27 which incorporates approximately 1 to 60 percent by weight of a solid filler and/or reinforcing agent.

Claim 40

A molded article comprising the melt processable poly(ester-amide) of claim 27.

Claim 41

A fiber which has been melt spun from the melt processable poly(ester-amide) of claim 27.

Claim 42

A film which has been melt extruded from the melt processable poly(ester-amide) of claim 27.