The new urea formaldehyde resin for plywood was developed, by using a specifically designed, advanced synthesis process with two modifiers added in its final stage.
此种新开发的脲醛树脂,采用特定的先进合成工艺和加入两种改性剂研制而成。
2
The technology of nonylphenol production is using strong acidic cation resin DC604, C104 as catalysts and two-stage fixed reactor in the nonylphenol plant of Heilongjiang Petrochemical Works.