Allergen Depressant And Depression Method

Abstract

The invention provides a means capable of effectively inactivating and removing allergen or a precursor thereof. The invention relates to an allergen-reducing agent containing water and a water-soluble polymer compound having units having hydroxy or carboxy groups wherein at least a part of hydrogen atoms of the hydroxy or carboxy groups are substituted by specific groups containing a polyether group.

1 . An allergen-reducing agent comprising water and a water-soluble polymer compound having units having hydroxy or carboxy groups wherein at least a part of hydrogen atoms of the hydroxy or carboxy groups are substituted by groups represented by the following formula (1):  
         —R 1a —(OR 1b ) p -A-R 1c   (1)  
       wherein R 1a  is a C1 to C6 alkylene group which may be substituted with a hydroxy or oxo group, R 1b  is a C1 to C6 alkylene group, R 1c  is a group selected from the group consisting of a C4 to C30 hydrocarbon group which may be substituted with a hydroxy group, a C1 to C5 sulfoalkyl group which may be substituted with a hydroxy group, and a hydrocarbon group which has a steroid skeleton, A is a group selected from the group consisting of —O—, —OCO— and —COO—, p is 0 to 50 (average number of moles added), and (OR 1b ) moles whose number is p may be the same or different.  
     
     
         2 . The allergen-reducing agent according to  claim 1 , wherein the water-soluble compound comprises monomer units (a1) and (a2) represented by the following formulae (2) and (3), respectively, a molar ratio of (a1)/(a2) is 1/1500 to 30/100 and a ratio of (a1) and (a2) in total in the molecule is 50 to 100 mol %:  
       
         
           
           
               
               
           
         
       
       wherein R 2a  is a hydrogen atom or a C1 to C3 alkyl group, R 2b  is a group selected from a hydrogen atom and —COOM, M being a hydrogen atom, an alkali metal atom or an alkaline earth metal atom, R 2c  is a group selected from a hydrogen atom, a C1 to C3 alkyl group and a hydroxy group, R 2d  is a C1 to C6 alkylene group which may be substituted with a hydroxy group, R 2e  is a C1 to C6 alkylene group, R 2f  is a C4 to C30 hydrocarbon group which may be substituted with a hydroxy group, B is a group selected from —O—, —COO—, —OCO— and —CONR 2g  —, R 2g  being a hydrogen atom, a C1 to C3 alkyl group or a C1 to C3 hydroxyalkyl group, E is a group selected from —O—, —OCO— and —COO—, q is 0 to 50 (average number of moles added), and (OR 2e ) moles whose number is q may be the same or different;  
       
         
           
           
               
               
           
         
       
       wherein R 3a  is a hydrogen atom or a C1 to C3 alkyl group, R 3b  is a group selected from a hydrogen atom and —COOM, M being a hydrogen atom, an alkali metal atom or an alkaline earth metal atom, R 3c  is a group selected from a hydrogen atom, a C1 to C3 alkyl group and a hydroxy group, G is —COOM, —OH, -T-(R 3d O) c —H, —CON(R 3e )(R 3f ), —COO—R 3g —N + (R 3h )(R 3i )(R 3j ).X − , —COO—R 3g —N(R 3h )(R 3j ), —CON(R 3e )—R 3g —N + (R 3h )(R 3i )(R 3j ).X − , —CON(R 3e )—R 3g —N(R 3h )(R 3j ) or a 5- or 6-memberred heterocyclic group having at least one amino or amide group in the ring, M is a hydrogen atom, an alkali metal atom or an alkaline earth metal atom, T is a group selected from —O— and —COO—, R 3d  is a C1 to C6 alkylene group, R 3e , R 3f , R 3h , R 3i  and R 3j  each represent a hydrogen atom, a C1 to C3 alkyl group or a C1 to C3 hydroxyalkyl group, R 3g  is a C1 to C5 alkylene group, X −  represents an organic or inorganic anionic group, c is 0 to 50 (average number of moles added) and (R 3d O) moles whose number is c may be the same or different.  
     
     
         3 . The allergen-reducing agent according to  claim 1 , wherein the water-soluble polymer compound comprises unit (a3) of the following formula (4) and/or the following formula (5) and unit (a4) of the following formula (6) and/or the following formula (7), a molar ratio of (a4)/(a3) is 1/1500 to 30/100 a ratio of (a3) and (a4) in total in the molecule is 50 to 100 mol %:  
       
         
           
           
               
               
           
         
       
       wherein J and M are a group selected from —O—, —OCO— and —COO—, R 6a  and R 7a  are a C1 to C6 alkylene group, R 6b  and R 7b  are a C1 to C6 alkylene group, R 6c  and R 7c  are a C4 to C30 hydrocarbon group which may be substituted with a hydroxy group, L and Q are a group selected from —O—, —OCO— and —COO—, and r and s are 0 to 50 (average number of moles added), and (OR 6b ) moles whose number is r or (OR 7b ) moles whose number is s may be the same or different.  
     
     
         4 . An allergen-reducing agent contained in a spray container, which comprises the allergen-reducing agent of any of  claims 1  to  3  introduced into a container provided with a spray device.  
     
     
         5 . An allergen-reducing sheet comprising a flexible sheet impregnated with the allergen-reducing agent of any of  claims 1  to  3 .  
     
     
         6 . A method of reducing allergen, which comprises spraying the allergen-reducing agent of any of  claims 1  to  3  into space.  
     
     
         7 . The method according to  claim 6 , wherein the polymer compound is cellulose, starch or a derivative thereof.  
     
     
         8 . A method of reducing allergen, which comprises spraying or applying the allergen-reducing agent of any of  claims 1  to  3  onto the surface of an object and then wiping it off with a water-absorbing article before drying.  
     
     
         9 . A cleaning method which comprises cleaning by vacuuming or sweeping cleaning after carrying out the method of  claim 7 .  
     
     
         10 . A cleaning method which comprises wiping the surface of an object with an allergen-reducing sheet having a flexible sheet impregnated with the allergen-reducing agent of any of  claims 1  to  3  and cleaning by vacuuming or sweeping cleaning.  
     
     
         11 . The method according to any of  claims 8  to  10 , wherein the polymer compound is cellulose, starch or a derivative thereof.