In this paper, p-methylphenyl sulphonylamine was used to modify urea formaldehyde resin with low molar ratio.

用对甲基苯磺酰胺改性低克分子比的脲醛树脂。

youdao

In this paper, p-methylphenyl sulphonylamine was used to modify urea formaldehyde resin with low molar ratio.

用对甲基苯磺酰胺改性低克分子比的脲醛树脂。

youdao