Adsorbent for adsorbing virus and/or bacterium, carbon/polymer composite and adsorbent sheet

Abstract

[Object] To provide an adsorbent, an adsorbent sheet, and a carbon/polymer composite for adsorbing a virus having further improved virus adsorption capability. [Solving Means] An adsorbent for adsorbing a virus according to the present invention has a specific surface area value as measured by the nitrogen BET method of 10 m 2 /g or more and a pore volume as measured by the BJH method of 0.1 cm 3 /g or more. An adsorbent sheet for adsorbing a virus according to the present invention includes a porous carbonaceous material having a specific surface area value as measured by the nitrogen BET method of 10 m 2 /g or more and a pore volume as measured by the BJH method of 0.1 cm 3 /g or more. A carbon/polymer composite for adsorbing a virus according to the present invention includes a porous carbonaceous material having a specific surface area value as measured by the nitrogen BET method of 10 m 2 /g or more and a pore volume as measured by the BJH method of 0.1 cm 3 /g or more; and a binder.

1 . An adsorbent for adsorbing a virus or a bacterium, comprising:
 a porous carbonaceous material having a specific surface area value of 10 m 2 /g or more as measured by a nitrogen BET method and a pore volume of 0.1 cm 3 /g or more as measured by a BJH method.   
     
     
         2 . An adsorbent for adsorbing a virus or a bacterium, comprising:
 a porous carbonaceous material having a specific surface area value of 10 m 2 /g or more as measured by a nitrogen BET method, and a total pore volume of 0.1 cm 3 /g or more as determined by a Non Localized Density Functional Theory, of which the pores have diameters in a range from 1×10 −9  m to 5×10 −7  m.   
     
     
         3 . An adsorbent for adsorbing a virus or a bacterium, comprising:
 a porous carbonaceous material having a specific surface area value of 10 m 2 /g or more as measured by a nitrogen BET method, at least one peak in a pore diameter distribution in a range from 3 nm to 20 nm as determined by a Non Localized Density Functional Theory, and a ratio of the total volume of pores with diameters in the range from 3 nm to 20 nm being 0.2 or more of the total pore volume.   
     
     
         4 . The adsorbent for adsorbing a virus or a bacterium according to  claim 1 , wherein
 the porous carbonaceous material is made from a plant-based material; and   the plant-based material is at least one of materials selected from the group consisting of chaff, straws, coffee beans, tea leaves, sugar canes, corns, fruit peels, reeds and Wakame seaweed stems.   
     
     
         5 . A carbon/polymer composite for adsorbing a virus or a bacterium, comprising:
 a porous carbonaceous material having a specific surface area value of 10 m 2 /g or more as measured by a nitrogen BET method and a pore volume of 0.1 cm 3 /g or more as measured by a BJH method; and   a binder.   
     
     
         6 . A carbon/polymer composite for adsorbing a virus or a bacterium, comprising:
 a porous carbonaceous material having a specific surface area value or more as measured by a nitrogen BET method of 10 m 2 /g, and a total pore volume of 0.1 cm 3 /g or more as determined by a Non Localized Density Functional Theory, of which the pores have diameters in a range from 1×10 −9  m to 5×10 −7  m; and   a binder.   
     
     
         7 . A carbon/polymer composite for adsorbing a virus or a bacterium, comprising:
 a porous carbonaceous material having a specific surface area value of 10 m 2 /g or more as measured by a nitrogen BET method, at least one peak in a pore diameter distribution in a range from 3 nm to 20 nm determined by a Non Localized Density Functional Theory, and a ratio of the total volume of pores with diameters in the range from 3 nm to 20 nm being 0.2 or more of the total pore volume; and   a binder.   
     
     
         8 . The adsorbent for adsorbing a virus or a bacterium according to  claim 6 , wherein
 the porous carbonaceous material is made from a plant-based material; and   the plant-based material is at least one of materials selected from the group consisting of chaff, straws, coffee beans, tea leaves, sugar canes, corns, fruit peels, reeds and Wakame seaweed stems.   
     
     
         9 . An adsorbent sheet for adsorbing a virus or a bacterium, comprising:
 a porous carbonaceous material having a specific surface area value of 10 m 2 /g or more as measured by the nitrogen BET method and a pore volume of 0.1 cm 3 /g or more as measured by the BJH method; and   a support member.   
     
     
         10 . An adsorbent sheet for adsorbing a virus or a bacterium, comprising:
 a porous carbonaceous material having a specific surface area value of 10 m 2 /g or more as measured by the nitrogen BET method, and a total pore volume of 0.1 cm 3 /g or more as determined by the Non Localized Density Functional Theory, of which the pores have diameters in a range from 1×10 −9  m to 5×10 −7  m; and   a support member.   
     
     
         11 . An adsorbent sheet for adsorbing a virus or a bacterium, comprising:
 a porous carbonaceous material having a specific surface area value of 10 m 2 /g or more as measured by the nitrogen BET method, at least one peak in a pore diameter distribution in a range from 3 nm to 20 nm as determined by the Non Localized Density Functional Theory, and a ratio of the total volume of pores with diameters in the range from 3 nm to 20 nm being 0.2 or more of the total pore volume; and   a support member.   
     
     
         12 . The adsorbent sheet for adsorbing a virus or a bacterium according to  claim 9 , wherein
 the porous carbonaceous material is made from a plant-based material; and   the plant-based material is at least one of materials selected from the group consisting of chaff, straws, coffee beans, tea leaves, sugar canes, corns, fruit peels, reeds and Wakame seaweed stems.   
     
     
         13 . The adsorbent sheet for adsorbing a virus or a bacterium according to  claim 9 , wherein
 the support member is composed of a non-woven fabric.