To provide an incombustible fiber structure having incombustibility exceeding the ordinary flame-retardancy level in the fields of a fiber structure containing blended phenolic resin fiber and natural fiber, a fiber structure containing blended polyester fiber and natural fiber or a fiber structure composed of phenolic resin fiber.
The fiber structure of the invention is a fiber structure containing blended phenolic resin fiber and natural fiber, a fiber structure containing blended polyester fiber and natural fiber or a fiber structure composed of phenolic resin fiber, and imparted with a flame-proofing treating agent at least containing 50-100 pts.wt. of a sodium borate polymer and 50-100 pts.wt. of a fiber-reactive organic phosphorus compound.
COPYRIGHT: (C)2008,JPO&INPIT
TOMIOKA SADAO
Takashi Noguchi
Kazuhiko Saishita
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