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