Generally, the amount of hydrolysis and condensation desired is that amount which will result in {HEAD ~ a copolymer} having the desired viscosity and {TAIL ~ the desired alkoxy content} 
having
Generally , the amount of hydrolysis and condensation desired is that amount which will result in { HEAD ~ a copolymer } having the desired viscosity and { TAIL ~ the desired alkoxy content }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL