{HEAD ~ Method} of rendering {TAIL ~ substrates water repellent} using hyperbranched polymers containing silicon atoms 
of rendering
{ HEAD ~ Method } of rendering { TAIL ~ substrates water repellent } using hyperbranched polymers containing silicon atoms
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH