Claims
- 1. A textile fiber comprised of
- A. a polyetherester of
- 1. terephthalic acid, and
- 2. a diol component comprised of
- a. 1,4-cyclohexanedimethanol, and
- b. from 3 to 12 weight percent, based on the weight of the polyetherester, of poly(oxyethylene)glycol having a molecular weight in the range of 300-800,
- B. based on the weight of the polyetherester, from 0-150 weight parts per million of manganous ion,
- C. based on the weight of the polyetherester, from 20-500 weight parts per million phosphorus derived from
- 1. phosphorus acid,
- 2. phosphoric acid,
- 3. pyrophosphoric acid,
- 4. polyphosphoric acid, or a compound corresponding to the formula r1 ? ##STR26## 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 --H, a monovalent alkyl radical having 1-18 carbon atoms or a monovalent aryl or substituted aryl radical having 6-15 carbon atoms,
- 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, ##STR27## where R.sup.1 and R.sup.2 are the same as above, ##STR28## 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.2).sub.x where x = 2-6, ##STR29## 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, ##STR30## 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, ##STR31## where R.sup.6 is the same as above,
- R.sup.7 is a divalent alkyl radical having 2-5 carbon atoms,
- D. 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 ##STR32## where n is from 1 to 4,
- R.sup.8 is a radical selected from the group consisting of
- 1. neopentanetetrayltetrakis,
- 2. phosphinylidynetrioxy,
- 3. 2,4,6-trimethyl-1,3,5-benzenetriyltrimethylene,
- 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-triazine1,3,5-triyl)tris(3-oxotrimethylene),
- 7. [3-octadecyloxy)-3-oxopropyl],
- 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,
- E. based on the weight of the polyetherester, from 25-200 weight parts per million titanium derived from a soluble tetravalent organic titanium compound.
- 2. A textile fiber comprised of
- A. a polyetherester of
- 1. terephthalic acid, and
- 2. a diol component comprised of
- a. 1,4-cyclohexanedimethanol, and
- b. from 8 to 12 weight percent, based on the weight of the polyetherester, of poly(oxyethylene)glycol having a molecular weight in the range of 400-600,
- B. based on the weight of the polyetherester, from 20-100 weight parts per million of manganous ion,
- C. based on the weight of the polyetherester, from 40-240 weight parts per million phosphorus derived from ##STR33## where R.sup.4 is --H or a monovalent alkyl radical having 1-18 carbon atoms, n = 1-6, ##STR34## 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,
- D. based on the weight of the polyetherester, from 1500 to 3500 weight parts per million pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] having the structure ##STR35## ##STR36## where E. based on the weight of the polyetherester, from 50-150 weight parts per million titanium derived from a compound corresponding to the structure ##STR37## where R is a monovalent alkyl radical having 3-18 carbon atoms.
- 3. A textile fiber comprised of
- A. a polyetherester of
- 1. terephthalic acid, and
- 2. a diol component comprised of
- a. 1,4-cyclohexanedimethanol, and
- b. from 3 to 6 weight percent, based on the weight of the polyetherester, of poly(oxyethylene)-glycol having a molecular weight in the range of 400-600,
- B. based on the weight of the polyester, from 0-20 weight parts per million of manganous ion,
- C. based on the weight of the polyetherester, from 20-200 weight parts per million phosphorus derived from ##STR38## where R.sup.4 is --H or a monovalent alkyl radical having 1-18 carbon atoms,
- n = 1-6, ##STR39## 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,
- D. 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 ##STR40## where ##STR41## E. based on the weight of the polyetherester, from 50-150 weight parts per million titanium derived from a compound corresponding to the structure ##STR42## where R is a monovalent alkyl radical having 3-8 carbon atoms.
Parent Case Info
This application is a continuation-in-part of our copending application Ser. No. 577,361 filed May 14, 1975, entitled "Polyester Fiber", now abandoned which is a continuation-in-part of Ser. No. 468,309 filed May 9, 1974, entitled "Deep Dyeable Polyester Fiber", now abandoned; Ser. No. 468,310 filed May 9, 1974, entitled "Deep Dyeable Polyester Fiber", now abandoned; and Ser. No. 468,312 filed May 9, 1974, entitled "Deep Dyeable Polyester Fiber", Ser. No. 468,311 filed May 9, 1974, entitled "Deep Dyeable Polyester Fiber", now abandoned.
US Referenced Citations (9)
Continuation in Parts (5)
|
Number |
Date |
Country |
Parent |
577361 |
May 1975 |
|
Parent |
468309 |
May 1974 |
|
Parent |
468310 |
May 1974 |
|
Parent |
468311 |
May 1974 |
|
Parent |
468312 |
May 1974 |
|