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Water soluble linear polyethyleneimine derivative from water- insoluble polyethyleneimine, polyvinyl alcohol and aldehyde
Water soluble linear polyethyleneimine derivative from water- insoluble polyethyleneimine, polyvinyl alcohol and aldehyde
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机译:由不溶于水的聚乙烯亚胺,聚乙烯醇和醛制成的水溶性线性聚乙烯亚胺衍生物
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摘要
The present invention is directed to a high molecular weight, water soluble polymer product of polyethyleneimine, said product is formed by reacting a linear polyethylenimine with formaldehyde and a polyvinyl alcohol. The resultant product is useful as an improved drainage and retention aid in papermaking processes.
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