Tin oxide fiber and a process for producing the same
AssigneeTokuyama Soda Kabushiki Kaisha
InventorsHiroya Yamashita, Keiko Seki, Sumio Sakka, Toshinobu Yoko
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Abstract
A tin oxide fiber expressed by the general formula Sn.sub.(1-y) Z.sub.y O.sub.2 (I) wherein Z is a metal element of the Group V of the periodic table, and y is 0 to 0.3, having a diameter which is greater than 1 .mu.m or having a length which is greater than 3 mm and having an aspect ratio which is greater than 10. This fiber is process for producing a tin oxide fiber comprising spinning an alcohol solution of a tin compound soluble in alcohol, or spinning an alcohol solution of said tin compound and a compound of a metal of the Group V of the periodic table that is soluble in alcohol, followed by heating.
Claims2
A tin oxide fiber having a composition expressed by the general formula
- Sn.sub.1-y Z.sub.y O.sub.2
- wherein Z is a metal element of Group V of the periodic table, and y is 0.001 to 0.25, and having (i) a diameter of 5 to 500 .mu.m, (ii) a length which is greater than 1 cm, (iii) an aspect ratio which is greater than 50, and (iv) an electrical resistivity of 1.times.10.sup.-3 ohm-cm to 1.times.10.sup.5 ohm-cm;
- said fiber being prepared by spinning a solution of a divalent tin compound soluble in an alcohol and a compound of a metal of Group V of the periodic table which is soluble in an alcohol, and then heat-treating the spun fiber.
Dependencies are inferred from the claim text.