A kind of complex profile control agent comprising bicomponent polymer was formed from polymer mixture comprising polyacrylamide and polyvinyl alcohol using formaldehyde and borax as the crosslinkers.
It is a condensation polymer of phenol and formaldehyde activated with an alkaline catalyst.
它是酚与甲醛在一种碱性催化剂作用下缩聚的聚合物。
3
The improved urea formaldehyde resin in liquid form is injected into soil. Withe cross polymer solidification happening in the soil, the soil is strengthened .