How can i make polypropylene membrane permanently hydrophylic ?

More I Gede Wenten's questions See All

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Why do i have a weak plasma and no coating during rf sputtering?

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Could dyes amplify the spectrum of light to a specific wavelength?

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What are the strategies to Enhance IgG-Producing Plasma Cells in mice for Monoclonal Antibody Development?

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Leonid V Vladimirov

Dipping in HNO3

Leonid

Burkhard Koehler

Treatment with lower alcohols seems to be an appropriate method, see first link below. Also diacetone alcohol can be used. More efficient is to make the KOH catalsed aldol reaction of acetone in presence of the PP, see second link below.

Dustin W. Janes

polydopamine coating in aqueous base, papers by Messersmith

Paola Bernardo

Please, consider the following patent:

T.C. Chung, Hydrophilic polypropylene membranes, US 5837365 A.

Alex Nadezhdin

Perhaps running through it Ozonated water