초록 ▼

The invention provides for a material comprising(a) a hardenable resin; and (b) a filler comprising (i) clusters of nano-sized particles, the clusters comprising non-beavy metal oxide particles and heavy metal oxides, and being not fully densified particles and (ii) non-agglomerated nano-sized parti

The invention provides for a material comprising(a) a hardenable resin; and (b) a filler comprising (i) clusters of nano-sized particles, the clusters comprising non-beavy metal oxide particles and heavy metal oxides, and being not fully densified particles and (ii) non-agglomerated nano-sized particles selected from the group consisting of non-heavy metal oxide particles, heavy metal oxide particles, and combinations thereof. The material is suitable for use as dental materials.

대표청구항 ▼

The invention provides for a material comprising(a) a hardenable resin; and (b) a filler comprising (i) clusters of nano-sized particles, the clusters comprising non-beavy metal oxide particles and heavy metal oxides, and being not fully densified particles and (ii) non-agglomerated nano-sized parti

The invention provides for a material comprising(a) a hardenable resin; and (b) a filler comprising (i) clusters of nano-sized particles, the clusters comprising non-beavy metal oxide particles and heavy metal oxides, and being not fully densified particles and (ii) non-agglomerated nano-sized particles selected from the group consisting of non-heavy metal oxide particles, heavy metal oxide particles, and combinations thereof. The material is suitable for use as dental materials. comprising steps of: polishing a surface of a base material including a porous material having a continuous hole with an opening of said hole formed on at least one surface with abrasive grains containing a porous material to be capable of filling up said opening with a porous layer; and forming a permeable membrane of not more than 1 μm in thickness by plating or ion plating on said surface of said base material formed with said porous layer by said polishing. 12. The method of preparing a substance separation structure according to claim 11, wherein said porous material forming said base material is at least one material selected from a group consisting of ceramics, a metal and a complex of said ceramics and said metal. 13. The method of preparing a substance separation structure according to claim 11, wherein said abrasive grains containing said porous material contain at least one material selected from a group consisting of porous aluminum oxide and titanium oxide. 14. The method of preparing a substance separation structure according to claim 11, wherein the average diameter of said abrasive grains containing said porous material is smaller than the average diameter of said opening formed on said at least one surface of said base material. 15. The method of preparing a substance separation structure according to claim 11, wherein said ion plating is arc ion plating.