Carbon black-containing polyamide masterbatch composition and functional nylon fabric with filaments made therefrom
A carbon black-containing polyamide masterbatch composition is provided. The carbon black-containing polyamide masterbatch composition includes a polyamide compounded with an admixture of carbon black and a water-soluble polyamide. The water-soluble polyamide is a copolymer of caprolactam, ethylene glycol bis(2-aminoethyl)ether or ethylene glycol bis(3-aminopropyl)ether, and 5-sulfoisophthalic acid monosodium salt.
1. A carbon black-containing polyamide masterbatch composition, comprising a polyamide compounded with an admixture of carbon black and a water-soluble polyamide, wherein the water-soluble polyamide is a copolymer of caprolactam, ethylene glycol bis(2-aminoethyl)ether or ethylene glycol bis(3-aminopropyl)ether, and 5-sulfoisophthalic acid monosodium salt, wherein the molar ratio of caprolactam: ethylene glycol bis(2-aminoethyl)ether or ethylene glycol bis(3-aminopropyl)ether: 5-sulfoisophthalic acid monosodium salt is about 0:1:1 to about 5:1:1.
2. The carbon black-containing polyamide masterbatch composition of claim 1 , wherein the weight ratio of the water-soluble polyamide to the carbon black is about 1:1 to about 1:5.
3. The carbon black-containing polyamide masterbatch composition of claim 1 , wherein the carbon black is about 1-40% by weight.
4. The carbon black-containing polyamide masterbatch composition of claim 1 , wherein the polyamide is nylon 6, nylon 11, nylon 12, nylon 46 or nylon 66.
5. A functional nylon fabric, comprising nylon filaments made from a carbon black-containing polyamide masterbatch composition, wherein the carbon black-containing polyamide masterbatch composition comprises a polyamide compounded with an admixture of carbon black and a water-soluble polyamide, wherein the water-soluble polyamide is a copolymer of caprolactam, ethylene glycol bis(2-aminoethyl)ether or ethylene glycol bis(3-aminopropyl)ether, and 5-sulfoisophthalic acid monosodium salt, wherein the molar ratio of caprolactam: ethylene glycol bis(2-aminoethyl)ether or ethylene glycol bis(3-aminopropyl)ether: 5-sulfoisophthalic acid monosodium salt is about 0:1:1 to about 5:1:1.
6. The functional nylon fabric of claim 5 , wherein the weight ratio of the water-soluble polyamide to the carbon black is about 1:1 to about 1:5.
7. The functional nylon fabric of claim 5 , wherein the surface resistance of the functional nylon fabric is about 10 4 -10 11 ohm/sq.
8. The functional nylon fabric of claim 5 , wherein the surface resistance of the functional nylon fabric is no greater than about 10 4 ohm/sq.
9. The functional nylon fabric of claim 5 , wherein the carbon black is about 1-40% by weight based on the total weight of the carbon black-containing polyamide masterbatch composition.
10. The functional nylon fabric of claim 5 , wherein the polyamide is nylon 6, nylon 11, nylon 12, nylon 46 or nylon 66.