Use of alkyl-trichlorosilanes and/or silsesquioxanes for the removal of microplastic particles from water and/or a body of water

Abstract

Use of an alkyltrichlorosilane of the following formula I: R-SiCl3, wherein: R represents an alkyl group, Si represents a silicon atom and Cl represents a chlorine atom, and/or of a silsesquioxane of the following formula II: [RSiO3/2]n, wherein: R represents an alkyl group, Si represents a silicon atom, O represents an oxygen atom and n represents an integer, for the removal of microplastic particles from water and/or for the treatment of water. Further, a method for the removal of microplastic particles from water and/or for the purification of water is provided, as well as an inclusion and/or intercalation compound, a kit for the removal of microplastic particles from water and/or for the purification of water as well as a water treatment system.

1 . A kit for the removal of microplastic particles from water and/or a body of water, 
 said kit having, spatially separated from one another,   an alkyltrichlorosilane of the following formula I
                     
 wherein 
 R represents an alkyl group, Si represents a silicon atom and Cl represents a chlorine atom, and/or 
 a silsesquioxane of the following formula II
                     
 wherein 
 R represents an alkyl group, Si represents a silicon atom, O represents an oxygen atom and n represents an integer and 
 at least one further component. 
 
   
     
     
         2 . The kit as claimed in  claim 1 , wherein R of the alkyltrichlorosilane of the formula I and/or R of the silsesquioxane of the formula II is an alkyl group having 1 carbon atom to 16 carbon atoms, in particular 3 carbon atoms to 14 carbon atoms, preferably 4 carbon atoms to 8 carbon atoms. 
     
     
         3 . The kit as claimed in  claim 1 , wherein R of the alkyltrichlorosilane of the formula I and/or R of the silsesquioxane of the formula II is a linear alkyl group. 
     
     
         4 . The kit as claimed in  claim 1 , wherein R of the alkyltrichlorosilane of the formula I and/or R of the silsesquioxane of the formula II is a branched alkyl group. 
     
     
         5 . The kit as claimed in  claim 1 , wherein R of the alkyltrichlorosilane of the formula I and/or R of the silsesquioxane of the formula II is selected from the group consisting of n-butyl group, isobutyl group, hexyl group, isohexyl group, 2,4,4-trimethylpentyl group, n-octyl group, 6-methylheptyl group, nonyl group, decyl group, dodecyl group, tetradecyl group and hexadecyl group. 
     
     
         6 . The kit as claimed in  claim 1 , wherein R of the alkyltrichlorosilane of the formula I and/or R of the silsesquioxane of the formula II is selected from the group consisting of n-butyl group, isobutyl group, n-octyl group and 2,4,4-trimethylpentyl group. 
     
     
         7 . The kit as claimed in  claim 1 , wherein the silsesquioxane comprises at least two different alkyl groups. 
     
     
         8 . The kit as claimed in  claim 1 , wherein the alkyltrichlorosilane is a pure substance or a mixture of different alkyltrichlorosilanes and/or the silsesquioxane is a pure substance or a mixture of different silsesquioxanes. 
     
     
         9 . The kit as claimed in  claim 1 , wherein n represents an integer from 4 to 16. 
     
     
         10 . The kit as claimed in  claim 1 , wherein n represents the integer 6, 8, 10 or 12. 
     
     
         11 . The kit as claimed in  claim 1 , wherein the silsesquioxane is a silsesquioxane of the following formula III:
                       wherein   R represents an alkyl group, Si represents a silicon atom and O represents an oxygen atom.   
     
     
         12 . The kit as claimed in  claim 1 , wherein the microplastic particles have a mean diameter of 100 nm to 5 mm. 
     
     
         13 . The kit as claimed in  claim 1 , wherein the microplastic particles comprise a plastic or consist of a plastic which is selected from the group consisting of polyethylene, polypropylene, polystyrene, polyvinyl chloride, polyurethane, polyamide, polycarbonate, polytetrafluoroethylene, polyoxymethylene, acrylonitrile-butadiene-styrene copolymer, polyethylene terephthalate, polymethyl methacrylate, polyacrylonitrile, copolymers of at least two of said plastics and combinations of at least two of said plastics. 
     
     
         14 . The kit as claimed in  claim 2 , wherein R of the alkyltrichlorosilane of the formula I and/or R of the silsesquioxane of the formula II is an alkyl group having 3 carbon atoms to 14 carbon atoms or 4 carbon atoms to 8 carbon atoms. 
     
     
         15 . The kit as claimed in  claim 7 , wherein the at least two different alkyl groups are selected from the group consisting of n-butyl group, isobutyl group, hexyl group, isohexyl group, 2,4,4-trimethylpentyl group, n-octyl group, 6-methylheptyl group, nonyl group, decyl group, dodecyl group, tetradecyl group and hexadecyl group. 
     
     
         16 . The kit as claimed in  claim 1 , wherein n represents an integer from 6 to 14 or 6 to 12. 
     
     
         17 . The kit as claimed in  claim 1 , wherein the microplastic particles have a mean diameter of 10 µm to 5 mm or 100 µm to 1 mm. 
     
     
         18 . The kit as claimed in  claim 1 , wherein the further component is an adsorbent. 
     
     
         19 . The kit as claimed in  claim 18 , wherein the adsorbent is selected from the group consisting of activated carbon, calcium-silica hydrates, polonite, rocks and combinations of at least two of the specified adsorbents.