Wholly aromatic polyamide fibers excellent in processability and adhesiveness
Wholly aromatic polyamide fibers having non-fusible fine powder attached to a surface thereof in an amount of from 1.5 to 14 mg/m 2 , which are good in process stability in working processes, and exhibit excellent reinforcing effect upon using as a reinforcing material of rubber, resins and the like.
1. Wholly aromatic polyamide fibers excellent in workability and adhesiveness, wherein a non-fusible fine powder; is attached to a surface thereof in an amount of from 1.5 to 14 mg/m 2 ; and the non-fusible fine powder is composed of anhydrous aluminum silicate and/or sodium aluminosilicate.
2. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 1 , wherein the non-fusible fine powder has an average particle diameter of 20 μm or less.
3. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 1 , wherein the wholly aromatic polyamide is a para-type wholly aromatic copolyamide.
4. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 2 , wherein the wholly aromatic polyamide is a para-type wholly aromatic copolyamide.
5. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 1 , wherein the non-fusible fine powder is composed of anhydrous aluminum silicate.
6. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 2 , wherein the non-fusible fine powder is composed of anhydrous aluminum silicate.
7. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 3 , wherein the non-fusible fine powder is composed of anhydrous aluminum silicate.
8. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 4 , wherein the non-fusible fine powder is composed of anhydrous aluminum silicate.
9. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 1 , wherein the non-fusible fine powder is composed of sodium aluminosilicate.
10. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 2 , wherein the non-fusible fine powder is composed of sodium aluminosilicate.
11. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 3 , wherein the non-fusible fine powder is composed of sodium aluminosilicate.
12. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 4 , wherein the non-fusible fine powder is composed of sodium aluminosilicate.
13. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 1 , wherein the non-fusible fine powder is composed of anhydrous aluminum silicate and sodium aluminosilicate.
14. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 2 , wherein the non-fusible fine powder is composed of anhydrous aluminum silicate and sodium aluminosilicate.
15. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 3 , wherein the non-fusible fine powder is composed of anhydrous aluminum silicate and sodium aluminosilicate.
16. The wholly aromatic polyamide fibers excellent in workability and adhesiveness according to claim 4 , wherein the non-fusible fine powder is composed of anhydrous aluminum silicate and sodium aluminosilicate.