Claims
- 1. A basic dyeable textile fiber comprised of
- A. a polyetherester of
- 1. a dicarboxylic acid component comprising
- a. from 82 to 94.5 mole percent terephthalic acid,
- b. from 5 to 15 mole percent isophthalic acid, and
- c. from 0.5 to 3 mole percent of a basic dyeable comonomer having the structural formula: ##SPC7##
- 2. a diol component comprised of
- a. 1,4-cyclohexanedimethanol, and
- b. from 6 to 10 weight percent, based on the weight of the polyetherester, poly(oxyethylene)-glycol having an average molecular weight in the range of 400 to 4,000,
- B. from 20-300 weight parts per million, based on the weight of the polyetherester, phosphorus derived from
- 1. phosphorous acid,
- 2. phosphoric acid,
- 3. pyrophosphoric acid,
- 4. polyphosphoric acid, or a compound corresponding to the formula
- 5. ##EQU18## where R.sup.1 is --H, a monovalent alkyl radical having 1-18 carbon atoms, a monovalent aryl or substituted aryl radical having 6-15 carbon atoms, or --O--R where R is the same as R.sup.1,
- R.sup.2 is --H, monovalent alkyl radical having 1-18 carbon atoms, or a monovalent aryl or substituted aryl radical having 6-15 carbon atoms, provided that when R.sup.2 is alkyl, at least one of R.sup.2 has a chain of at least two unsubstituted methylene groups attached to the oxygen atom attached to phosphorus,
- 6. ##EQU19## where R.sup.1 and R.sup.2 are the same as above,
- 7. ##EQU20## where R.sup.4 is --H, a monovalent alkyl radical having 1-18 carbon atoms, or a monovalent aryl or substituted aryl radical having 6-15 carbon atoms,
- n = 1-6,
- R.sup.3 = ch.sub.2x where x = 2-6, ##EQU21## where R.sup.2 is the same as above,
- R.sup.5 is a divalent or tetravalent alkyl radical having 2-5 carbon atoms,
- m = 1 or 2,
- 9. ##EQU22## where R.sup.2 is the same as above,
- R.sup.6 is a divalent alkyl radical having 2-12 carbon atoms or a divalent aryl or substituted aryl radical having 6-15 carbon atoms,
- 10. ##EQU23## where R.sup.6 is the same as above,
- R.sup.7 is a divalent alkyl radical having 2-5 carbon atoms, and
- C. based on the weight of the polyetherester, from 1000 to 5000 weight parts per million of a stabilizer effective to reduce oxidative degradation of the polyetherester corresponding to the structure ##SPC8##
- n is from 1 to 4,
- R is a radical selected from the group consisting of
- 1. neopentanetetrayltetrakis [oxy(3-oxotrimethylene)],
- 2. phosphinylidynetrioxy,
- 3. 2,4,6-trimethyl-1,3,5-benzenetrlyltrimethylene,
- 4. alkylene having 1 to 5 carbon atoms,
- 5. alkyl having 1 to 12 carbon atoms,
- 6. 2,4,6-trioxo-1,2,3,4,5,6-hexahydro-s-triazine-1,3,5-triyl)tris(3-oxotrimethylene), and
- 7. [3-oxtadecyloxy)-3-oxopropyl], and
- A is a monovalent radical selected from the group consisting of
- 1. tertiary alkyl having 4 to 8 carbon atoms,
- 2. alkyl having 8 to 22 carbon atoms, and
- 3. secondary alkyl having 12 to 24 carbon atoms.
- 2. A basic dyeable textile fiber comprised of
- A. a polyetherester of
- 1. a dicarboxylic acid component comprising
- a. 86.5 to 89.5 mole percent of dimethyl terephthalate,
- b. 9 to 11 mole percent of dimethyl isophthalate,
- c. 1.5 to 2.5 mole percent of a basic dyeable comonomer having the structure ##SPC9##
- 2. a diol component comprised of
- a. 1,4-cyclohexanedimethanol, and
- b. from 7 to 9 weight percent, based on the polyetherester, of poly(oxyethylene)glycol having an average molecular weight in the range of 400 to 800,
- B. from 20-300 weight parts per million, based on the weight of the polyetherester, phosphorus derived from
- 1. phosphorous acid,
- 2. phosphoric acid,
- 3. pyrophosphoric acid,
- 4. polyphosphoric acid, or a compound corresponding to the formula
- 5. ##EQU24## where R.sup.1 is --H, a monovalent alkyl radical having 1-18 carbon atoms, a monovalent aryl or substituted aryl radical having 6-15 carbon atoms, or --O--R where R is the same as R.sup.1,
- R.sup.2 is --H, monovalent alkyl radical having 1-18 carbon atoms, or a monovalent aryl or substituted aryl radical having 6-15 carbon atoms, provided that when R.sup.2 is alkyl, at least one of R.sup.2 has a chain of at least two unsubstituted methylene groups attached to the oxygen atom attached to phosphorus,
- 6. ##EQU25## where R.sup.1 and R.sup.2 are the same as above,
- 7. ##EQU26## where R.sup.4 is --H, a monovalent alkyl radical having 1-18 carbon atoms, or a monovalent aryl or substituted aryl radical having 6-15 carbon atoms,
- n = 1-6,
- R.sup.3 = ch.sub.2x where x = 2-6,
- 8. ##EQU27## where R.sup.2 is the same as above,
- R.sup.5 is a divalent or tetravalent alkyl radical having 2-5 carbon atoms,
- m = 1 or 2,
- 9. ##EQU28## where R.sup.2 is the same as above,
- R.sup.6 is a divalent alkyl radical having 2-12 carbon atoms or a divalent aryl or substituted aryl radical having 6-15 carbon atoms,
- 10. ##EQU29## where R.sup.6 is the same as above,
- R.sup.7 is a divalent alkyl radical having 2-5 carbon atoms, and
- C. based on the weight of the polyetherester, from 1000 to 3000 weight parts per million pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] having the structure ##EQU30## where ##EQU31##
- 3. A basic dyeable textile fiber comprised of
- A. a polyetherester of
- 1. a dicarboxylic acid component comprising
- a. 86.5 to 89.5 mole percent of dimethyl terephthalate,
- b. 9 to 11 mole percent of dimethyl isophthalate,
- c. 1.5 to 2.5 mole percent of a basic dyeable comonomer having the structure ##SPC10##
- 2. a diol component comprisied of
- a. 1,4-cyclohexanedimethanol, and
- b. from 7 to 9 weight percent, based on the polyetherester, of poly)oxyethylene glycol having an average molecular weight in the range of 400 to 800,
- B. from 20-300 weight parts per million, based on the weight of the polyetherester, phosphorus derived from a compound corresponding to the formula ##EQU32## where R.sup.2 is a monovalent alkyl radical having 1-18 carbon atoms,
- R.sup.5 is a tetravalent alkyl radical having 5 carbon atoms, and
- m = 2, and
- C. based on the weight of the polyetherester, from 1000 to 3000 weight parts per million pentaerythritol tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] having the structure ##EQU33## where ##EQU34##
Parent Case Info
This application is a continuation-in-part of our copending application, Ser. No. 501,516, filed Aug. 29, 1974, entitled "Basic Dyeable Polyester Fiber", now abandoned, which was a continuation-in-part of Ser. No. 468,313, filed May 9, 1974, entitled "Basic Dyeable Polyester Fiber", now abandoned.
US Referenced Citations (12)
Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
501516 |
Aug 1974 |
|
Parent |
468313 |
May 1974 |
|