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