Claims
- 1. An electromagnetic interference resistant polyamide resin composition comprising:
(a) 100 parts by weight of a polyamide; (b) about 5 to about 50 parts by weight of a thermoplastic polyphenol, where the total amount of (a)+(b) is about 35 to about 90 weight percent based on the total weight of the composition; and (c) carbon fibers that are present in about 5 to about 60 weight percent based on the total weight of the composition.
- 2. The electromagnetic interference resistant polyamide resin composition of claim 1 wherein said polyamide is a blend selected from the group consisting of: blends of polyamide 6, polyamide 66, and a polyamide terpolymer; blends of polyamide 6 and polyamide 66; blends of polyamide 6 and a polyamide terpolymer; and blends of polyamide 66 and a polyamide terpolymer.
- 3. The electromagnetic interference resistant polyamide resin composition of claim 1 further comprising inorganic fillers or reinforcing agents that are present in about 1 to about 30 weight percent based on the total weight of the composition.
- 4. The electromagnetic interference resistant polyamide resin composition of claim 1 further comprising carbon black that is present in from about 0.05 to about 15 weight percent based on the total weight of the composition.
- 5. The electromagnetic interference resistant polyamide resin composition of claims 1, 2, 3, or 4 where the thermoplastic polyphenol is novolac.
- 6. The electromagnetic interference resistant polyamide resin composition of claims 1, 2, 3, or 4 where the thermoplastic polyphenol is poly(hydroxystyrene).
- 7. An electromagnetic interference resistant polyamide resin composition comprising:
(a) 100 parts by weight of a polyamide; (b) about 5 to about 50 parts by weight of a thermoplastic polyphenol, where the total amount of (a)+(b) is about 35 to about 90 weight percent based on the total weight of the composition; (c) carbon fibers that are present in about 5 to about 60 weight percent based on the total weight of the composition; and (d) zinc oxide whiskers that are present in up to about 10 weight percent, based on the total weight of the composition.
- 8. The electromagnetic interference resistant polyamide resin composition of claim 7 further comprising inorganic fillers or reinforcing agents that are present in about 1 to about 30 weight percent based on the total weight of the composition.
- 9. The electromagnetic interference resistant polyamide resin composition of claim 7 further comprising carbon black in from about 0.05 to about 15 weight percent based on the total weight of the composition.
- 10. An electromagnetic interference resistant polyamide resin composition comprising:
(a) 100 parts by weight of a polyamide; (b) about 5 to about 50 parts by weight of a thermoplastic polyphenol, where the total amount of (a)+(b) is about 35 to about 90 weight percent based on the total weight of the composition; (c) carbon fibers that are present in about 5 to about 60 weight percent based on the total weight of the composition; and (d) aramid fibers that are present in up to about 10 weight percent, based on the total weight of the composition.
- 11. The electromagnetic interference resistant polyamide resin composition of claim 10 further including up to about 10 parts by weight of zinc oxide whiskers.
- 12. The electromagnetic interference resistant polyamide resin composition of claim 10 further comprising inorganic fillers or reinforcing agents that are present in from about 1 to about 30 weight percent based on the total weight of the composition.
- 13. The electromagnetic interference resistant polyamide resin composition of claim 10 further comprising carbon black that is present in from about 0.05 to about 15 weight percent based on the total weight of the composition.
- 14. The electromagnetic interference resistant polyamide resin composition of any one of claims 7-13 where the thermoplastic polyphenol is novolac.
- 15. The electromagnetic interference resistant polyamide resin composition of any one of claims 7-13 where the thermoplastic polyphenol is poly(hydroxystyrene).
- 16. An article molded from the compositions of claims 1, 7, or 1.
CROSS REFERENCE TO RELATED APPLICATION
[0001] This application claims the benefit of U.S. Provisional Application No. 60/341,939, filed Dec. 19, 2001
Provisional Applications (1)
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Number |
Date |
Country |
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60341939 |
Dec 2001 |
US |