Claims
- 1. A polyamide composition comprising: a polyetheramide containing an alkylene oxide group; and a metal salt, wherein the polyetheramide has a repeating unit represented by the following formula: whereinR1 is a hydrogen, methyl, or a hydrocarbon group having from 2 to 20 carbon atoms; the value of a+b is between 0 and 45; Ra is phenylene or a hydrocarbon group having from 1 to 20 carbon atoms; Rb is or a hydrocarbon group having from 2 to 50 carbon atoms, wherein c is between 1 and 45, and R3 is hydrogen or a hydrocarbon group having from 1 to 10 carbon atoms; and n is equal to or greater than 0.
- 2. The polyamide composition as claimed in claim 1, wherein the polyetheramide is obtained by reacting a diacid or its derivative with a diamine, wherein the diamine contains an alkylene oxide group.
- 3. The polyamide composition as claimed in claim 2, wherein the polyamide composition is obtained by mixing the polyetheramide with the metal salt.
- 4. The polyamide composition as claimed in claim 2, wherein the polyamide composition is obtained by reacting the diacid or its derivative with the diamine in the presence of the metal salt, wherein the diamine contains an alkylene oxide group.
- 5. The polyamide composition as claimed in claim 2, wherein the diacid or its derivative has the formulaA—Ra—A wherein Ra is phenylene or a hydrocarbon group having from 1 to 20 carbon atoms; and A is a carboxyl or ester group.
- 6. The polyamide composition as claimed in claim 2, wherein the diamine includes a compound of formula (I) wherein R1 is hydrogen, methyl, or a hydrocarbon group having from 2 to 20 carbon atoms; and the value of a+b is between 0 to 45.
- 7. The polyamide composition as claimed in claim 6, wherein the diamine further includes a compound of formula (II) wherein c is between 1 and 45, and R3 is hydrogen or a hydrocarbon group having from 1 to 10 carbon atoms.
- 8. The polyamide composition as claimed in claim 6, wherein the diamine further includes a compound of formula (III)H2N—R2—NH2 (III) wherein R2 is a hydrocarbon group having from 2 to 50 carbon atoms.
- 9. The polyamide composition as claimed in claim 6, wherein the diamine further includes compounds of formulae (II) and (III) whereinc is between 1 and 45; R3 is hydrogen or a hydrocarbon group having from 1 to 10 carbon atoms; and R2 is a hydrocarbon group having from 2 to 50 carbon atoms.
- 10. The polyamide composition as claimed in claim 1, wherein Ra is selected from the group consisting of phenylene, butylene, and octamethylene.
- 11. The polyamide composition as claimed in claim 10, wherein R1 is methyl.
- 12. The polyamide composition as claimed in claim 10, wherein Rb has the formula wherein c is between 1 and 45, and R3 is hydrogen.
- 13. A polyamide composition comprising: a polyetheresteramide containing an alkylene oxide group, and a metal salt, wherein the polyetheresteramide has a repeating unit represented by the formula whereinR11 is a chain with an alkylene oxide group having the structure —(Ro—O)p.—, in which R0 is a hydrocarbon group with 2 or 3 carbon atoms and p is about 10 to 45; R14 is a hydrocarbon group with 2 to 12 carbon atoms; R15 is a hydrocarbon group with 4 to 12 carbon atoms; m and n are about 1 or larger; and the polyetheresteramide has a molecular weight of about 3000 g/mole to 45,000 g/mole.
- 14. The polyamide composition as claimed in claim 13, wherein the polyetheresteramide is obtained by a method comprisingmixing an alkylene oxide group-containing diamine with a diacid or its derivative and a diol; performing an esterification reaction; and performing a condensation reaction to form the polyetheresteramide polymer.
- 15. The polyamide composition as claimed in claim 14, wherein the polyamide composition is obtained by mixing the polyetheresteramide with the metal salt.
- 16. The polyamide composition as claimed in claim 14, wherein the polyamide composition is obtained by a method comprisingmixing the alkylene oxide group-containing diamine with the diacid or its derivative and the diol in the presence of the metal salt; performing an esterification reaction; and performing a condensation reaction to form the polyetheresteramide polymer.
- 17. The polyamide composition as claimed in claim 14, wherein the alkylene oxide group-containing diamine has the structureH2N—R11—NH2 wherein R11 is a chain with an alkylene oxide group.
- 18. The polyamide composition as claimed in claim 17, wherein the alkylene oxide group has the structure —(R0—O)p—, in which R0 is a hydrocarbon group with 2 or 3 carbon atoms and p is about 10 to 45.
- 19. The polyamide composition as claimed in claim 14, wherein the mixing molar ratio of diacid to diol is about 1.0:1.05 to 1.0:10.0.
- 20. The polyamide composition as claimed in claim 14, wherein the alkylene oxide group-containing diamine is present in a weight percentage of about 3% to 90%.
- 21. The polyamide composition of claim 1, wherein the metal salt is a salt of a monovalent to trivalent metal ion.
- 22. The polyamide composition as claimed in claim 21, wherein the metal salt is a salt of Group IA or IIA.
- 23. The polyamide composition as claimed in claim 21, wherein the metal salt is a salt of Group IB or VIIIB.
- 24. The polyamide composition of claim 1, wherein the weight ratio of the metal salt to polyamide is from 0.1:100 to 30:100.
- 25. The polyamide composition of claim 1, wherein the polyamide has a molecular weight of 1000 to 45,000 g/mole.
Parent Case Info
This application is a continuation-in-part of application Ser. No. 08/878,606 filed Jun. 19, 1997, now issued as U.S. Pat. No. 5,986,041, and application Ser. No. 09/317,987 filed May 25, 1999, now abandoned.
US Referenced Citations (7)
Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
09/317987 |
May 1999 |
US |
Child |
09/429639 |
|
US |
Parent |
08/878606 |
Jun 1977 |
US |
Child |
09/317987 |
|
US |