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In Situ Cross-Linking of Polyvinyl Alcohol FilmsFilms or impregnated matrices readily made from aqueous polyvinyl alcohol solution. Controlled thickness films made by casting precise quantities of aqueous polymer solution on smooth surface, allowing water to evaporate and then removing film. Composite separators formed in similar fashion by impregnating cloth matrix with polyvinyl alcohol solution and drying composite. Insoluble thin hydrophilic membranes made from aqueous systems, and use of undesirable organic solvents not required.
Document ID
19830000578
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Philipp, W. H.
Shu, L. C.
May, C. E.
Date Acquired
August 11, 2013
Publication Date
November 1, 1984
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 2
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
LEW-13135
Accession Number
83B10578
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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