Synthesis, properties and biodegradability of polyesters based on 1,3-propanediol von Witt, Uwe, Müller, Rolf-Joachim, Augusta, Josef, Widdecke, Hartmut, Deckwer, Wolf-Dieter

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A rapid evaluation plate-test for the biodegradability of plastics von AUGUSTA, J, MÜLLER, R.-J, WIDDECKE, H

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Recent studies aimed at the development of polymer-supported reactants with improved accessibility and capacity von Guyot, A., Hodge, P., Sherrington, D.C., Widdecke, H.

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Structure-breaking effect of metal ions influencing the acidity of an anhydrous acid von Buttersack, C., Widdecke, H., Klein, J.

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Measurement of acidity of polymeric solid acids von Buttersack, C., Widdecke, H., Klein, J.

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Influence of functional group distribution on the thermal stability and catalytic activity of sulfonated styrene-DVB-copolymers von Klein, J., Widdecke, H., Bothe, N.

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BIODEGRADABLE POLYMERS - TEST METHODS AND ASSESSMENT STANDARDS von AUGUSTA, J, MULLER, RJ, WIDDECKE, H

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Bioabbau und Biokorrosion von Kunststoffen : ein Vergliech am Beispiel von Pseudomonas aeruginosa von AUGUSTA, J, MÜLLER, R.-J, WIDDECKE, H

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Surface functionalization of polymer networks : Sulfonation of the internal surface of macroporous styrene-divinylbenzene copolymers von STRUCK, M, WIDDECKE, H

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Polystyrene-supported acid catalysis von Widdecke, Hartmut

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Surface functionalization of polymer networks. Sulfonation of the internal surface of macroporous styrene-divinylbenzene copolymers von Struck, Michael, Widdecke, Hartmut

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Thermal stability of sulphonated styrene-divinylbenzene resins von Bothe, N., Döscher, F., Klein, J., Widdecke, H.

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Diffusional aspects for the chlorination of the sulfonated poly(styrene-co-divinylbenzene) resin beads von Ihm, Son-Ki, Ahn, Jou-Hyeon, Widdecke, Hartmut, Struß, Klaus, Klein, Joachim

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Diffusional aspects for the chlorination of the sulfonated poly(styrene-co-divinylbenzene) resin heads von SON-KI IHM, JOU-HYEON AHN, WIDDECKE, H, STRUSS, K, KLEIN, J

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Makroporöse sulfonsaure Ionenaustauscher-Harze auf der Basis von 2-Vinylnaphthalin von Struck, Michael, Wick, Stefan, Widdecke, Hartmut

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Mixed-polymeric stationary phases in gas chromatography von Klein, J., Widdecke, H., Wolter, G.

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The concept of variable active centres in acid catalysis: Part I. Alkylation of benzene with olefins catalyzed by ion-exchange resins von Buttersack, C., Widdecke, H., Klein, J.

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The concept of variable active centres in acid catalysis von Buttersack, C., Widdecke, H., Klein, J.

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Morphology of swollen copolymers of 4-vinylpyridine and divinylbenzene von Jeřábek, Karel, Widdecke, Hardtmut, Fleischer, Bernd

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Sulfonic acid ion-exchange resins as catalysts in nonpolar media: II. Influence of conditioning methods on the acidity and catalytic activity von Buttersack, Christoph, Widdecke, Hartmut, Klein, Joachim

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