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Isocyanate prepolymers can readily react with oxidic functional groups on carbon black. Different prepolymers were examined for their grafting behaviour. In carbon black grafted with di-isocyanates, reactive isocyanate groups are available for cross-linking to a polyurethane system.
绿茶中咖啡因的超临界二氧化碳
香港环球分析:超临界二氧化碳萃取橘皮中黄酮类化合物的工艺研究
香港环球分析:顶空固相微萃取气质联用测定蒜油的挥发性成分
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