Polyamide blends with one polyamide containing phthalate sulfonate moieties and terphthalate on isophthalate residues

Claim 2

A PROCESS FOR PRODUCING A FIBRE FORMING POLYAMIDE HAVING IMPROVED BASIC DYE RECEPTIVITY AND REDUCED ACID DYE RECEPTIVITY, WHICH PROCESS COMPRISES: A. MELT POLYMERIZING

Claim 3

A COMPOUND OF THE FORMULA:

Claim 4

A COMPOUND OF THE FORMULA:

Claim 5

COMPONENT SELECTED FROM THE GROUP CONSISTING OF (A) AND (B) WHEREIN COMPONENTS (A) ARE A. (I) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ISOPHTHALIC ACID AND TEREPHTHALIC ACID AND THEIR POLYAMIDE-FORMING DERIVATIVES IN AN AMOUNT OF FROM 1.0 MOLE TO 9.0 MOLES PER MOLE OF COMPOUND (1), AND A. (II9 A DIAMINE HAVING FROM 2 TO 12 CARBON ATOMS IN AN AMOUNT EQUAL TO THE MOLE EQUIVALENT OF COMPOUND (1) PLUS COMPOUND (A)(I); AND COMPONENTS (B) ARE B. (I) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ISOPHTHALIC ACID AND TEREPHTHALIC ACID AND THEIR POLYAMIDE-FORMING DERIVATIVES, AND B. (II) A COMPOUND SELECTED FROM THE GROUP CONSISING OF A MONOAMINOMONOCARBOXYLIC ACID HAVING FROM 2 TO 12 CARBON ATOMS, A LACTAM OF SAID MONOAMINOMONOCARBOXYLIC ACID, AN ALIPHATIC DICARBOXYLIC ACID HAVING FROM 2 TO 12 CARBON ATOMS AND A POLYAMIDE-FORMING DERIVATIVE OF SAID ALIPHATIC DICARBOXYLIC ACID, THE AMOUNT OF COMPOUND (B)(I) PLUS THE AMOUNT OF COMPOUND (B)(II) BEING FROM 1.0 MOLE TO 9.0 MOLES PER MOLE OF COMPOUND (1) WITHAT LEAST 0.25 MOLES BEING OF COMPOUND (B)(I), AND B. (III) A DIAMETER HAVING FROM 2 TO 12 CARBON ATOMS, IN AN AMOUNT EQUAL TO THE MOLE EQUIVALENT OF COMPOUND (1) PLUS COMPOUND (B)(I), AND PLUS COMPOUND (B)(II) WHEN (B)(II) IS AN ALIPHATIC DICARBOXYLIC ACID OR ITS POLYAMIDE FORMING DERAVITIVE TO PRODUCE A POLYAMIDE INTERMEDIATE HAVING FROM 10 MOLE PERCENT TO 50 MOLE PERCENT OF SULPHONATE UNITS BASED ON THE RECURRING UNITS OF THE POLYMER, AND B. BLENDING AND MELT-EXTRUDING SAID POLYAMIDE INTERMEDIATE WITH FROM 5 TO 95 PERCENT BY WEIGHT OF THE BLEND OF NORMAL FIBRE-FORMING POLYAMIDE IN AN AMOUNT SUFFICIENT TO PRODUCE A FIBRE-FORMING POLYAMIDE HAVING FROM 20 TO 100 SULPHONATE GM. EQUIVALENTS PER 106 GRAMS OF TOTAL POLYAMIDE AND FROM 35 TO 80 AMINE GM. EQUIVALENTS PER 106 GRAMS OF TOTAL POLYAMIDE.

Claim 6

COMPONENT SELECTED FROM THE GROUP CONSISTING OF (A) AND (B) WHEREIN COMPONENTS (A) ARE A. (I) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ISOPHTHALIC ACID AND TEREPHTHALIC ACID AND THEIR POLYAMIDE-FORMING DERIVATIVES IN AN AMOUNT OF FROM 1.0 MOLE TO 9.0 MOLES PER MOLE OF COMPOUND (1), AND A. (II9 A DIAMINE HAVING FROM 2 TO 12 CARBON ATOMS IN AN AMOUNT EQUAL TO THE MOLE EQUIVALENT OF COMPOUND (1) PLUS COMPOUND (A)(I); AND COMPONENTS (B) ARE B. (I) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ISOPHTHALIC ACID AND TEREPHTHALIC ACID AND THEIR POLYAMIDE-FORMING DERIVATIVES, AND B. (II) A COMPOUND SELECTED FROM THE GROUP CONSISING OF A MONOAMINOMONOCARBOXYLIC ACID HAVING FROM 2 TO 12 CARBON ATOMS, A LACTAM OF SAID MONOAMINOMONOCARBOXYLIC ACID, AN ALIPHATIC DICARBOXYLIC ACID HAVING FROM 2 TO 12 CARBON ATOMS AND A POLYAMIDE-FORMING DERIVATIVE OF SAID ALIPHATIC DICARBOXYLIC ACID, THE AMOUNT OF COMPOUND (B)(I) PLUS THE AMOUNT OF COMPOUND (B)(II) BEING FROM 1.0 MOLE TO 9.0 MOLES PER MOLE OF COMPOUND (1) WITHAT LEAST 0.25 MOLES BEING OF COMPOUND (B)(I), AND B. (III) A DIAMETER HAVING FROM 2 TO 12 CARBON ATOMS, IN AN AMOUNT EQUAL TO THE MOLE EQUIVALENT OF COMPOUND (1) PLUS COMPOUND (B)(I), AND PLUS COMPOUND (B)(II) WHEN (B)(II) IS AN ALIPHATIC DICARBOXYLIC ACID OR ITS POLYAMIDE FORMING DERAVITIVE TO PRODUCE A POLYAMIDE INTERMEDIATE HAVING FROM 10 MOLE PERCENT TO 50 MOLE PERCENT OF SULPHONATE UNITS BASED ON THE RECURRING UNITS OF THE POLYMER, AND B. BLENDING AND MELT-EXTRUDING SAID POLYAMIDE INTERMEDIATE WITH FROM 5 TO 95 PERCENT BY WEIGHT OF THE BLEND OF NORMAL FIBRE-FORMING POLYAMIDE IN AN AMOUNT SUFFICIENT TO PRODUCE A FIBRE-FORMING POLYAMIDE HAVING FROM 20 TO 100 SULPHONATE GM. EQUIVALENTS PER 106 GRAMS OF TOTAL POLYAMIDE AND FROM 35 TO 80 AMINE GM. EQUIVALENTS PER 106 GRAMS OF TOTAL POLYAMIDE.

Claim 7

components selected from the group consisting of (a) and (b) wherein components (a) are a. (i) a compound selected from the group consisting of isophthalic acid and terephthalic acid and their polyamide-forming derivatives in an amount of from 1.0 mole to 9.0 moles per mole of compound (1), and a. (ii) a diamine having from 2 to 12 carbon atoms in an amount equal to the mole equivalent of compound (1) plus compound (a)(i); and components (b) are b. (i) a compound selected from the group consisting of isophthalic acid and terephthalic acid and their polyamide-forming derivatives, and b. (ii) a compound selected from the group consisting of a monoaminomonocarboxylic acid having from 2 to 12 carbon atoms, a lactam of said monoaminomonocarboxyic acid, an aliphatic dicarboxylic acid having from 2 to 12 carbon atoms and a polyamide-forming derivative of said aliphatic dicarboxylic acid, the amount of compound (b)(i) plus the amount of compound (b)(ii) being from 1.0 mole to 9.0 moles per mole of compound (1) with at least 0.25 moles being of compound (b)(i), and b. (iii) a diamine having from 2 to 12 carbon atoms, in an amount equal to the mole equivalent of compound (1) plus compound (b)(i), and plus compound (b)(ii) when (b)(ii) is an aliphatic dicarboxylic acid or its polyamide forming derivative to produce a polyamide intermediate having from 10 mole percent to 50 mole percent of sulphonate units based on the recurring units of the polymer, and B. blending and melt-extruding said polyamide intermediate with from 5 to 95 percent by weight of the blend of normal fibre-forming polyamide in an amount sufficient to produce a fibre-forming polyamide having from 20 to 100 sulphonate gm. equivalents per 106 grams of total polyamide and from 35 to 80 amine gm. equivalents per 106 grams of total polyamide.

Claim 8

components selected from the group consisting of (a) and (b) wherein components (a) are a. (i) a compound selected from the group consisting of isophthalic acid and terephthalic acid and their polyamide-forming derivatives in an amount of from 1.0 mole to 9.0 moles per mole of compound (1), and a. (ii) a diamine having from 2 to 12 carbon atoms in an amount equal to the mole equivalent of compound (1) plus compound (a)(i); and components (b) are b. (i) a compound selected from the group consisting of isophthalic acid and terephthalic acid and their polyamide-forming derivatives, and b. (ii) a compound selected from the group consisting of a monoaminomonocarboxylic acid having from 2 to 12 carbon atoms, a lactam of said monoaminomonocarboxyic acid, an aliphatic dicarboxylic acid having from 2 to 12 carbon atoms and a polyamide-forming derivative of said aliphatic dicarboxylic acid, the amount of compound (b)(i) plus the amount of compound (b)(ii) being from 1.0 mole to 9.0 moles per mole of compound (1) with at least 0.25 moles being of compound (b)(i), and b. (iii) a diamine having from 2 to 12 carbon atoms, in an amount equal to the mole equivalent of compound (1) plus compound (b)(i), and plus compound (b)(ii) when (b)(ii) is an aliphatic dicarboxylic acid or its polyamide forming derivative to produce a polyamide intermediate having from 10 mole percent to 50 mole percent of sulphonate units based on the recurring units of the polymer, and B. blending and melt-extruding said polyamide intermediate with from 5 to 95 percent by weight of the blend of normal fibre-forming polyamide in an amount sufficient to produce a fibre-forming polyamide having from 20 to 100 sulphonate gm. equivalents per 106 grams of total polyamide and from 35 to 80 amine gm. equivalents per 106 grams of total polyamide.

Claim 9

A process for producing a fibre forming polyamide having improved basic dye receptivity and reduced acid dye receptivity, which process comprises: A. melt polymerizing

Claim 10

A process for producing a fibre forming polyamide having improved basic dye receptivity and reduced acid dye receptivity, which process comprises: A. melt polymerizing

Claim 11

a compound selected from the group consisting of isophthalic acid and terephthalic acid and their polyamideforming derivatives, and

Claim 12

a compound selected from the group consisting of isophthalic acid and terephthalic acid and their polyamideforming derivatives, and

Claim 13

a compound selected from the group consisting of a monoaminomonocarboxylic acid having from 2 to 12 carbon atoms, a lactam of said monoaminomonocarboxylic acid and an aliphatic dicarboxylic acid having from 2 to 12 carbon atoms, and a polyamide forming derivative of said aliphatic dicarboxylic acid, the amount of compound (2) plus the amount of compound (3) being from 1.0 mole to 9.0 moles per mole of compound (1), with at least 0.25 moles being of compound (2), and hexamethylene diamine in an amount equal to the mole equivalent of compound (1) plus compound (2), and plus compound (3) when compound (3) is an aliphatic dicarboxylic acid or its polyamide forming derivative, to produce a polyamide intermediate having from 10 mole percent to 50 mole percent of sulphonate units based on the recurring units of the polymer, and B. blending and melt-extruding said polyamide intermediate with from 5 to 95 percent by weight of the blend of normal fibre-forming polyamide in an amount sufficient to produce a fibre-forming polyamide having from 20 to 100 sulphonate gm. equivalents per 106 grams of total polyamide and from 35 to 80 amine gm. equivalents per 106 grams of total polyamide.

Claim 14

a compound selected from the group consisting of a monoaminomonocarboxylic acid having from 2 to 12 carbon atoms, a lactam of said monoaminomonocarboxylic acid and an aliphatic dicarboxylic acid having from 2 to 12 carbon atoms, and a polyamide forming derivative of said aliphatic dicarboxylic acid, the amount of compound (2) plus the amount of compound (3) being from 1.0 mole to 9.0 moles per mole of compound (1), with at least 0.25 moles being of compound (2), and hexamethylene diamine in an amount equal to the mole equivalent of compound (1) plus compound (2), and plus compound (3) when compound (3) is an aliphatic dicarboxylic acid or its polyamide forming derivative, to produce a polyamide intermediate having from 10 mole percent to 50 mole percent of sulphonate units based on the recurring units of the polymer, and B. blending and melt-extruding said polyamide intermediate with from 5 to 95 percent by weight of the blend of normal fibre-forming polyamide in an amount sufficient to produce a fibre-forming polyamide having from 20 to 100 sulphonate gm. equivalents per 106 grams of total polyamide and from 35 to 80 amine gm. equivalents per 106 grams of total polyamide.

Claim 15

A process as claimed in claim 2 wherein R in the formula is OH and X is Na or K.

Claim 16

A process as claimed in claim 2 wherein said fibre-forming polyamide has from 30 to 80 sulphonate gm. equivalents per 106 grams of total polyamide and from 35 to 70 amine gm. equivalents per 106 grams of total polyamide.

Claim 17

A process for producing a fibre-forming polyamide having improved basic dye receptivity and reduced acid dye receptivity, which process comprises: A. melt polymerizing

Claim 18

A process for producing a fibre-forming polyamide having improved basic dye receptivity and reduced acid dye receptivity, which process comprises: A. melt polymerizing

Claim 19

A process as claimed in claim 5 wherein R in said formula is OH and X is Na, K or Li.

Claim 20

A process as claimed in claim 6 wherein said lactam compound is epsilon-caprolactam.

Claim 21

A process as claimed in claim 7 wherein said fibre-forming polyamide has from 30 to 80 sulphonate gm. equivalents per 106 grams of total polyamide and from 35 to 70 amine gm. equivalents per 106 grams of total polyamide.