Novel modified cellulosic polymers as dr
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Zhang, Li-Ming; Tan, Ye-Bang; Li, Zhuo-Mei
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Article
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1999
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John Wiley and Sons
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English
โ 96 KB
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Novel modiยฎed cellulosic polymers with amphoteric character were prepared by grafting 2dimethylaminoethyl methacrylate (DM) and 4-vinylbenzene sulphonic acid sodium salt (VB) onto sodium carboxymethylcellulose (NaCMC), and characterized by IR and composition analyses. Their properties as drilling-ยฏu