Deodorizing mask
A deodorizing mask includes an air permeable mask main body for covering nose and mouth of the user with at least two types of nonwoven cloth, the mask main body having a deodorizing nonwoven cloth layer including a chemical adsorptive deodorizer and a dustproof nonwoven cloth layer having a dustproof effect, and the air permeability of the dustproof nonwoven cloth layer being ⅔ or less of the air permeability of the deodorizing nonwoven cloth layer. Preferably, the air permeability of the dustproof nonwoven cloth layer is in a range of 10 to 120 cm/(cm·s) in a permeated air quantity based on the Frazir method, the air permeability of the deodorizing nonwoven cloth layer is in a range of 40 to 400 cm/(cm·s) in a permeated air quantity based on the Frazir method, and the permeated air quantity of the dustproof nonwoven cloth layer is ⅔ or less of the permeated air quantity of the deodorizing nonwoven cloth layer.
1. A deodorizing mask having an air permeability and comprising a mask body for covering a wearer's nose and mouth with at least two types of nonwoven fabrics,
wherein said mask body comprises a deodorizing nonwoven fabric layer including a chemisorption-type deodorizer and a dust-proof nonwoven fabric layer having a dust-prevention effect,
wherein said dust-proof nonwoven fabric layer has an air permeability equal to or smaller than ⅔ of an air permeability of said deodorizing nonwoven fabric layer, and
wherein said dust-proof nonwoven fabric layer is provided on a face side of said deodorizing mask relative to said deodorizing nonwoven fabric layer, and
wherein said chemisorption-type deodorizer is at least one component selected from the group consisting of zirconium phosphate, CuO—SiO 2 composite oxide, CuO—Al 2 O 3 —SiO 2 amorphous zeolite, active zinc oxide, dihydrazide adipate and hydrated zirconium oxide.
2. The deodorizing mask according to claim 1 ,
wherein said air permeability of said dust-proof nonwoven fabric layer measured by Frajour type method is in a range from 10 to 120 cm 3 /(cm 2 ·s),
wherein said air permeability of said deodorizing nonwoven fabric layer measured by Frajour type method is in a range from 40 to 400 cm 3 /(cm 2 ·s), and
wherein said air permeability of said dust-proof nonwoven fabric layer is equal to or smaller than ⅔ of said air permeability of said deodorizing nonwoven fabric layer.
3. The deodorizing mask according to claim 1 ,
wherein said chemisorption-type deodorizer is a deodorizer in which a quantity of malodorous component that can be deodorized by 0.1 g of said chemisorption-type deodorizer per minute is equal to or larger than a quantity of malodorous component included in 10 L of a malodorous gas at odor intensity grade 5 of a six grades odor intensity measurement method, and
wherein a content of said chemisorption-type deodorizer contained in said deodorizing nonwoven fabric layer is 1 g/m 2 or more.
4. The deodorizing mask according to claim 1 ,
wherein said deodorizing nonwoven fabric layer includes at least two different chemisorption-type deodorizers.
5. The deodorizing mask according to claim 1 ,
wherein said chemisorption-type deodorizer contained in said deodorizing nonwoven fabric layer is adhered with a binder resin, and
wherein content ratios of said binder resin and said chemisorption-type deodorizer are respectively 10% to 90% by mass and 10% to 90% by mass based on 100% by mass of a total content of said binder resin and said chemisorption-type deodorizer.
6. The deodorizing mask according to claim 1 ,
wherein said deodorizing nonwoven fabric is composed of at least one selected from an olefin resin, a polyester resin, and rayon.
7. The deodorizing mask according to claim 1 , having a structure in which said deodorizing nonwoven fabric layer and said dust-proof nonwoven fabric layer are adjacent to each other.
8. The deodorizing mask according to claim 1 ,
wherein said chemisorption-type deodorizer comprises dihydrazide adipate.
9. The deodorizing mask according to claim 1 ,
wherein said chemisorption-type deodorizer comprises a hydrated zirconium oxide.
10. The deodorizing mask according to claim 1 ,
wherein said chemisorption-type deodorizer is zirconium phosphate.
11. The deodorizing mask according to claim 1 ,
wherein said chemisorption-type deodorizer comprises at least two components selected from a group consisting of zirconium phosphate, CuO—SiO 2 composite oxide, CuO—Al 2 O 3 —SiO 2 composite oxide, amorphous zeolite, active zinc oxide, dihydrazide adipate, and hydrated zirconium oxide.
12. The deodorizing mask according to claim 11 ,
wherein said chemisorption-type deodorizer consists of zirconium phosphate and CuO—SiO 2 composite oxide.
13. The deodorizing mask according to claim 11 ,
wherein said chemisorption-type deodorizer consists of zirconium phosphate and CuO—Al 2 O 3 -SiO 2 composite oxide.
14. The deodorizing mask according to claim 11 ,
wherein said chemisorption-type deodorizer consists of amorphous zeolite, active zinc oxide and dihydrazide adipate.
15. The deodorizing mask according to claim 11 ,
wherein said chemisorption-type deodorizer consists of zirconium phosphate and hydrated zirconium oxide.
16. The deodorizing mask according to claim 1 , wherein said chemisorption-type deodorizer comprises CuO—SiO 2 composite oxide.
17. The deodorizing mask according to claim 1 , wherein said chemisorption-type deodorizer comprises CuO—Al 2 O 3 —SiO 2 amorphous zeolite.
18. The deodorizing mask according to claim 1 , wherein said chemisorption-type deodorizer comprises active zinc oxide.
19. The deodorizing mask according to claim 1 , wherein
said air permability of said dust-proof nonwoven fabric layer measured by Frajour type method is in the range from 20 to 46 cm 3 /(cm 2 ·s),
said air permability of said deodorizing nonwoven fabric layer measured by Frajour type method is in the range from 60 to 350 cm 3 /(cm 2 ·s), and
said dust-proof nonwoven fabric layer has an air permeability equal to or smaller than 146/246 of an air permeability of said deodorizing nonwoven fabric layer.