초록 ▼

The present invention provides a fibrous product of apatite comprising one or more apatites selected from a group of apatites represented by the general formula: M10(ZO4)6X2 wherein M represents Ca, Ba, Mg, Sr, Pb, Cd, Fe and the like, ZO4 represents PO4, AsO4, VO4, CO3 and the like, and X represent

The present invention provides a fibrous product of apatite comprising one or more apatites selected from a group of apatites represented by the general formula: M10(ZO4)6X2 wherein M represents Ca, Ba, Mg, Sr, Pb, Cd, Fe and the like, ZO4 represents PO4, AsO4, VO4, CO3 and the like, and X represents F, Cl, OH and the like. This fibrous product of apatite has many applications such as uses for medical treatment, large scale microorganism cultivating media and others, and particularly it is useful as apatite implant materials having a good compatibility with living organism and superior workability. A fibrous apatite product of this invention may be produced by a method comprising the steps of: (a) preparing a dispersion of apatite by dispersing fine apatite particles uniformly in a solution of binder in water, said apatite being one or more apatites selected from a group of apatites represented by the general formula: M10(ZO4)6X2 wherein M represents Ca, Ba, Mg, Sr, Pb, Cd, Fe and the like, ZO4 represents PO4, AsO4, VO4, CO3 and the like, and X represents F, Cl, OH and the like; (b) continuously exctruding the thus prepared dispersion through a plurality of spinning orifices in a spinning apparatus while simultaneously stretching the dispersion into a fibrous state with the aid of a high speed air flow to form a stream of fine fibers; (c) heating said fiber stream to evaporate the water in the fibers; (d) blowing said dewatered fiber stream upon a collector means to form a cotton-like product of apatite bonded together by the binder; and (e) if desired, calcining said cotton-like product.

대표청구항 ▼

An apatite fiber comprising one or more apatites selected from a group of apatites represented by the general formula: M10(ZO4)6X2 wherein M represents Ca, Ba, Mg, Sr, Pb, Cd, Fe and the like ZO4 represents PO4, AsO4, VO4, CO3 and the like, and X represents F, Cl, OH and the like. A method of produc

An apatite fiber comprising one or more apatites selected from a group of apatites represented by the general formula: M10(ZO4)6X2 wherein M represents Ca, Ba, Mg, Sr, Pb, Cd, Fe and the like ZO4 represents PO4, AsO4, VO4, CO3 and the like, and X represents F, Cl, OH and the like. A method of producing a fibrous apatite in cotton-like form comprising the steps of: (a) preparing a dispersion of apatite by dispersing fine apatite particles uniformly in a solution of binder in water, said apatite being one or more apatites selected from a group of apatites represented by the general formula: M10(ZO4)6X2 wherein M represents Ca, Ba, Mg, Sr, Pb, Cd, Fe and the like, ZO4 represents PO4, AsO4, VO4, CO3 and the like, and X represents F, Cl, OH and the like; (b) continuously extruding the thus prepared dispersion through a plurality of spinning orifices while simultaneously stretching the dispersion into a fibrous state with the aid of a high speed air flow to form a stream of fine fibers; (c) heating said fiber stream to evaporate the water in the fibers; (d) blowing said water-removed fiber stream upon a collector means to form a cotton-like product of apatite bonded by the binder; and (e) if required, calcining said cotton-like product.