Water-resistant composition

Abstract

The present invention provides a water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter including: a) palladium doped hydrogen-ZSM-5, wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; and b) at least one water-soluble binder. The invention also provides a method for using the water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter.

1 . A water-resistant composition for adsorbing volatile organic compounds (VOCs) derived from organic matter comprising:
 a) palladium doped hydrogen-ZSM-5, wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; and   b) at least one water-soluble binder.   
     
     
         2 . A water-resistant composition according to  claim 1 , wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 100:1. 
     
     
         3 . A water-resistant composition according to  claim 1 , wherein the water-soluble binder is selected from the group consisting of at least one polyvinyl alcohol, gum, cellulose, cellulose derivative and polyethylene oxide. 
     
     
         4 . A water-resistant composition according to  claim 1 , further comprising one or more binder modifiers, driers, plasticizers, fillers, surfactants, pigments or preservatives. 
     
     
         5 . A method for adsorbing volatile organic compounds (VOCs) derived from organic matter, comprising applying a water-resistant compound to the volatile organic compounds, wherein the water-resistant composition comprises:
 a) palladium doped hydrogen-ZSM-5, wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; and   b) at least one water-soluble binder.   
     
     
         6 . The method according to  claim 5 , wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 100:1. 
     
     
         7 . The method according to  claim 5 , wherein the water-soluble binder is selected from the group consisting of at least one polyvinyl alcohol, gum, cellulose, cellulose derivative and polyethylene oxide. 
     
     
         8 . The method according to  claim 5 , further comprising one or more binder modifiers, driers, plasticizers, fillers, surfactants, pigments, preservatives or preservatives. 
     
     
         9 . The method according to  claim 5 , wherein the organic matter consists of perishable organic goods. 
     
     
         10 . The method according to  claim 9 , wherein the perishable organic goods comprise items of food or horticultural produce. 
     
     
         11 . The method according to  claim 10 , wherein the items of food comprise fruit and/or vegetables. 
     
     
         12 . The method according to  claim 10 , wherein the horticultural produce comprises plants and/or cut flowers. 
     
     
         13 . The method according to  claim 5 , wherein the organic matter comprises refuse. 
     
     
         14 . The method according to  claim 5 , wherein the organic matter is contained in a storage container or package. 
     
     
         15 . The method according to  claim 5 , wherein the water-resistant composition is incorporated into, or into part of, the storage container or package. 
     
     
         16 . The method according to  claim 5 , wherein the water-resistant composition is incorporated into a label comprising a substrate. 
     
     
         17 . The method according to  claim 14 , wherein the storage container or package is a refuse receptacle. 
     
     
         18 . The method according to  claim 5 , wherein the VOCs are adsorbed at a temperature of from −10° C. to 50° C. 
     
     
         19 . The method according to  claim 5 , wherein the VOCs are selected from the group consisting of ethylene, formaldehyde and acetic acid. 
     
     
         20 . The method according to  claim 5 , wherein the water-resistant composition is used in an environment comprising less than 10 vol % of oxygen. 
     
     
         21 . The method according to  claim 20 , wherein the environment is a controlled atmosphere or modified atmosphere environment. 
     
     
         22 . The method according to  claim 20 , wherein the oxygen is present in the range between >0.5 vol % and <10 vol %. 
     
     
         23 . The method according to  claim 5 , wherein the VOCs are adsorbed to a level of less than or equal to 0.10 ppm. 
     
     
         24 . An article comprising:
 packaging or a container configured to hold organic matter; and   a water-resistant composition comprising:   a) palladium doped hydrogen-ZSM-5, wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; and   b) at least one water-soluble binder.   
     
     
         25 . An article comprising:
 a water-resistant composition comprising:   a) palladium doped hydrogen-ZSM-5, wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 200:1; and   b) at least one water-soluble binder,   and further wherein the article is a label or sheet.   
     
     
         26 . An aqueous formulation comprising:
 a) palladium doped hydrogen-ZSM-5, wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 200:1;   b) at least one water-soluble binder; and   c) water.   
     
     
         27 . An admix comprising:
 a) palladium doped hydrogen-ZSM-5, wherein the Si:Al ratio of the hydrogen-ZSM-5 is less than or equal to 200:1;   b) at least one water-soluble binder.