The characterization of pre-curing catalyst show that the pore volume and specific surface area had little change after vulcanization.
预硫化催化剂的表征结果表明，催化剂硫化前后孔容和比表面积变化不大。
The resin content, the volatile content and the pre-curing degree of the silica/phenolic resin prepreg cloth were on-line determined by near infrared diffuse reflection spectrum.
采用近红外漫反射光谱技术对高硅氧/酚醛预浸布的树脂含量、挥发分含量和预固化度等质量指标进行了在线测定。
Producing MDF with MUF adhesive can effectively improve the water resistance, reduce formaldehyde emission and effectively control the pre-curing problem caused by the high temperature tube-drying.
用三聚氰胺改性脲 醛 树脂（MUF） 胶粘剂生产MDF可以有效地提高耐水性，降低游离甲 醛释放量，并使得因管道施胶引起预固化问题得到有效控制。
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