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