This invention is directed to {TAIL ~ hyperbranched polymers}, more particularly to hyperbranched polymers containing {HEAD ~ silicon atoms}, and to their use as an agent for rendering a substrate water repellent 
This invention is directed to { TAIL ~ hyperbranched polymers } , more particularly to hyperbranched polymers containing { HEAD ~ silicon atoms } , and to their use as an agent for rendering a substrate water repellent
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