The method of urea for three times and oxidized starch was used to synthesize dust depressor of sulfonated melamine-urea-formaldehyde resins.
英
美
释义
采用氧化淀粉和3次投加尿素进行改性的工艺合成了改性磺化三聚氰胺脲醛树脂抑尘剂。
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