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