David Emil Edgren
Alza
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Publication
Featured researches published by David Emil Edgren.
Journal of Macromolecular Science, Part A | 2010
David Emil Edgren; Peter C. Zhu; Elaine Struble; Richard D. Frame; Yun Zhang
Commercially available grades of fully hydrolyzed PVA are not 100% hydrolyzed. In practice, these polymers actually have residual acetyl groups. The remaining unhydrolyzed PVA can be hydrolyzed to 100%, but the subsequent purification process has proven to be difficult. A new method has been proposed to improve the purification process by using a freeze-thaw method. The final products after purification have been analyzed by using FTIR and 1H-NMR spectroscopic methods.
Archive | 1998
Patrick S. L. Wong; Liang-Chang Dong; David Emil Edgren; Felix Theeuwes; Phyllis I. Gardner; Francisco Jao; Jason Wan
Archive | 1999
David Emil Edgren; Shu Li; Gurdish Kaur Bhatti; Patrick S. L. Wong; Robert R. Skluzacek
Archive | 1980
David R Swanson; David Emil Edgren
Archive | 2001
Patrick S. L. Wong; David Emil Edgren; Liang C. Dong; Crystal Pollock-Dove
Archive | 1999
David Emil Edgren; Francisco Jao; Patrick S. L. Wong
Archive | 1982
David Emil Edgren
Archive | 1988
David Emil Edgren; Felix Theeuwes
Archive | 1998
David Emil Edgren; Robert R. Skluzacek
Archive | 1990
David Emil Edgren; Gurdish Kaur Bhatti; Howard A. Carpenter
