Polyether-ester amide and permanently antistatic resin composition

Claim 2

A transparent polyether-ester amide which is formed by copolymerizing: (a) an aminocarboxylic acid having at least 6 carbon atoms, a lactam having at least 6 carbon atoms or a salt having at least 6 carbon atoms, which salt is synthesized from a diamine and a dicarboxylic acid, (b) at least one diol compound selected from the group consisting of compounds represented by the following formulae (I) through (III): and wherein R 1 and R 2 independently stand for at least one member selected from the group consisting of an ethylene oxide group and a propylene oxide group, Y stands for a covalent bond, an alkylene group having 1 to 6 carbon atoms, an alkylidene group having 1 to 6 carbon atoms, a cycloalkylidene group having 7 to 17 carbon atoms, an arylalkylidene group having 7 to 17 carbon atoms, O, SO, S0 2 , CO, S, CF 2 , C(CF 3 ) 2 or NH, X stands for hydrogen, an alkyl group having 1 to 6 carbon atoms, a halogen, a sulfonic acid or a salt thereof, ℓ is 0 or an integer of from 1 to 4, and m and n stand for an integer of from 1 to 15, (c) at least one diol compound selected from the group consisting of a poly(alkyleneoxide)glycol and a diol represented by the following general formula (IV) : wherein R 3 stands for an alkylene, alkylidene, cycloalkylidene or arylalkylidene group having 2 to 16 carbon atoms, and (d) a dicarboxylic acid having 4 to 20 carbon atoms, wherein the content of the polyether-ester units is 10 to 90% by weight based on the weight of the polyether-ester amide.

Claim 3

A transparent polyether-ester amide as set forth in claim 1, wherein the component (a) is s-caprolactam.

Claim 4

A transparent polyether-ester amide as set forth in claim 1 or 2, wherein in the diol compound (b) represented by the formulae (I), (II) and (III), at least one of R 1 and R 2 is an ethylene oxide group.

Claim 5

A transparent polyether-ester amide as set forth in claim 1 , 2 or 3, wherein in the diol compound (b) represented by the formulae (1), (II) and (III), m and n stand for an integer of from 1 to 5.

Claim 6

A transparent polyether-ester amide as set forth in claim 1, wherein the diol (b) is an ethylene oxide adduct of bisphenol A or a block copolymer thereof.

Claim 7

A transparent polyether-ester amide as set forth in any preceding claim, wherein the diol (c) is a poly(alkylene oxide)glycol.

Claim 8

A transparent polyether-ester amide as set forth in claim 6, wherein the number average molecular weight of the poly(alkylene oxide)glycol is 200 to 6,000.

Claim 9

A transparent polyether-ester amide as set forth in any preceding claim , wherein the dicarboxylic acid (d) is at least one member selected from the group consisting of terephthalic acid, isophthalic acid, 1,4-cycloahexanedicarboxylic acid, sebacic acid, adipic acid and dodecanedicarboxylic acid.

Claim 10

A transparent polyether-ester amide as set forth in any preceding claim, wherein the content of the polyamide units is 10 to 80% by weight based on the weight of the polyether-ester amide.

Claim 11

A transparent thermoplastic resin composition comprising: (A) 1 to 40% by weight of a transparent polyether-ester amide which is formed by copolymerizing (a) an aminocarboxylic acid having at least 6 carbon atoms, a lactam having at least 6 carbon atoms or a salt having at least 6 carbon atoms, which salt is synthesized from a diamine and a dicarboxylic acid, (b) at least one diol compound selected from the group consisting of compounds represented by the following formulae (I) through (III): and wherein R 1 and R 2 independently stand for at least one member selected from the group consisting of an ethylene oxide group and a prppylene oxide group, Y stands for a covalent bond, an alkylene group having 1 to 6 carbon atoms, an alkylidene group having 1 to 7 carbon atoms, a cycloalkylidene group having 7 to 17 carbon atoms, an arylalkylidene group having 7 to 17 carbon atoms, O, SO, S0 2 , CO, S, CF 2 , C(CF 3 ) 2 or NH, X stands for hydrogen, an alkyl group having 1 to 6 carbon atoms, a halogen, a sulfonic acid or a salt thereof, ℓ is 0 or an integer of from 1 to 4, and m and n stand for an integer of from 1 to 15, (c) at least one diol compound selected from the group consisting of a poly(alkyleneoxide)glycol and a diol represented by the following general formula (IV): wherein R 3 stands for an alkylene, alkylidene, cycloalkylidene or arylalkylidene group having 2 to 16 carbon atoms, and (d) a dicarboxylic acid having 4 to 20 carbon atoms, wherein the content of the polyether-ester units is 10 to 90% by weight based on the weight of the polyether-ester amide; and (B) 99 to 1% by weight of a graft copolymerization product formed by graft-polymerizing (a) 1 to 80 parts by weight of a rubbery polymer with (b) 99 to 20 parts by weight of a monomer mixture comprising 100 to 400/0 by weight of an aromatic vinyl monomer and at least one monomer selected from the group consisting of a methacrylic acid ester and an acrylic acid ester and 0 to 60% by weight of a vinyl cyanide monomer, wherein the difference between the refractive indexes of the respective components (A) and (B) is not larger than 0.02.

Claim 12

A transparent thermoplastic resin composition comprising: (A) 1 to 40% by weight of a transparent polyether-ester amide which is formed by copolymerizing (a) an aminocarboxylic acid having at least 6 carbon atoms, a lactam having at least 6 carbon atoms or a salt having at least 6 carbon atoms, which salt is synthesized from a diamine and a dicarboxylic acid, (b) at least one diol compound selected from the group consisting of compounds represented by the following formulae (I) through (III): and wherein R 1 and R 2 independently stand for at least one member selected from the group consisting of an ethylene oxide group and a prppylene oxide group, Y stands for a covalent bond, an alkylene group having 1 to 6 carbon atoms, an alkylidene group having 1 to 7 carbon atoms, a cycloalkylidene group having 7 to 17 carbon atoms, an arylalkylidene group having 7 to 17 carbon atoms, O, SO, S0 2 , CO, S, CF 2 , C(CF 3 ) 2 or NH, X stands for hydrogen, an alkyl group having 1 to 6 carbon atoms, a halogen, a sulfonic acid or a salt thereof, ℓ is 0 or an integer of from 1 to 4, and m and n stand for an integer of from 1 to 15, (c) at least one diol compound selected from the group consisting of a poly(alkyleneoxide)glycol and a diol represented by the following general formula (IV): wherein R 3 stands for an alkylene, alkylidene, cycloalkylidene or arylalkylidene group having 2 to 16 carbon atoms, and (d) a dicarboxylic acid having 4 to 20 carbon atoms, wherein the content of the polyether-ester units is 10 to 90% by weight based on the weight of the polyether-ester amide; and (B) 99 to 1% by weight of a graft copolymerization product formed by graft-polymerizing (a) 1 to 80 parts by weight of a rubbery polymer with (b) 99 to 20 parts by weight of a monomer mixture comprising 100 to 400/0 by weight of an aromatic vinyl monomer and at least one monomer selected from the group consisting of a methacrylic acid ester and an acrylic acid ester and 0 to 60% by weight of a vinyl cyanide monomer, wherein the difference between the refractive indexes of the respective components (A) and (B) is not larger than 0.02.

Claim 13

A transparent thermoplastic resin composition as set forth in claim 10, which further comprises (C) up to 98% by weight, based on the total thermoplastic resin composition, of a modified vinyl polymer containing at least one member selected from the group consisting of carboxyl, epoxy, amino and substituted amino groups, wherein each of the differences between the respective refractive indexes of the respective components (A) and (B), (A) and (C), and (B) and (C) is not larger than 0.02.

Claim 14

A transparent thermoplastic resin composition as set forth in claim 10 or 11, wherein the difference between the refractive indexes of the respective components (A) and (B) is smaller than 0.01.

Claim 15

A transparent thermoplastic resin composition as set forth in claim 11, wherein each of the differences between the respective refractive indexes of the respective components (A) and (B), (A) and (C), and (B) and (C) is smaller than 0.01.

Claim 16

A transparent thermoplastic resin composition as set forth in claim 11 or 13, wherein the member selected from the group consisting of carboxyl, epoxy, amino and substituted amino groups, which is contained in the modified vinyl polymer (C), is present in an amount of 5 x 10- 7 to 0.5 mole per 100 g of the total thermoplastic resin composition.

Claim 17

A transparent thermoplastic resin composition as set forth in any one of claims 10 to 14, wherein the amount of the rubbery polymer is 1 to 400/0 by weight based on the total thermoplastic resin composition.

Claim 18

A transparent thermoplastic resin composition as set forth in any one of claims 10 to 15, which further comprises (D) to 98% by weight, based on the total thermoplastic resin composition, of a copolymer derived from a monomer mixture comprising 100 to 400/0 by weight of an aromatic vinyl monomer and at least one monomer selected from the group consisting of a methacrylic acid ester and an acrylic acid ester, 0 to 600/0 by weight of a vinyl cyanide monomer and 0 to 600/0 by weight of another copolymerizable monoethylenically unsaturated monomer; wherein each of the differences between any of the refractive indexes of the respective components (A), (B) and (D) is not larger than 0.02.

Claim 19

A transparent thermoplastic resin composition as set forth in any one of claims 10 to 16, which further comprises (C) less than 98% by weight, based on the total thermoplastic resin composition of a modifed vinyl polymer containing at least one member selected from the group consisting of carboxyl, epoxy, amino and substituted amino groups, and (D) less than 98% by weight, based on the total thermoplastic resin composition, of a copolymer derived from a monomer mixture comprising 100 to 400/o by weight of an aromatic vinyl monomer and at least one monomer selected from the group consisting of a methacrylic acid ester and an acrylic acid ester, 0 to 60% by weight of a vinyl cyanide monomer and 0 to 60% by weight of another copolymerizable monoethylenically unsaturated monomer; wherein each of the differences between any of the respective indexes of the respective components (A), (B), (C) and (D) is not larger than 0.02.

Claim 20

A transparent thermoplastic resin composition as set forth in claim 16 or 17, wherein the component (B)/component (D) weight ratio is in the range of from 2/98 to 99/1.