Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 16656
Title Membrane with coating layer of specified hydrophobicity - used in sepg. mixts. esp. edible oil
Author(s) Keurentjes, J.T.F.; Riet, K. van 't
Source Octrooinummer: NL9000082, gepubliceerd: 1990.
Department(s) Sub-department of Food and Bioprocess Engineering
Publication type Patent
Publication year 1990
Abstract A membrane has a coating layer with a hydrophobicity, expressed as gamma, of 35-45 mN/m. Pref. the hydrophobicity is 39-41 mN/m. The membrane is of polypropylene, and the coating is of a mixt. of polyamide and polystyrene pref. in ratio of 4-10:1 (6-8:1) or a mixt. of polystyrene and polymethyl methacrylate, pref. in ratio of 1:4-7 (1:5-6). The thickness of the membrane is not above 5 (0.1-0.5) microns.
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