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Colloidal properties of rubber latex

I. Characterization of a styrene-butadiene latex

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Summary

This work describes the dialysis, the determination of the total soap content in the latex system by conductometric titration, the effect of dilution on soap distribution between the aqueous and polymer phases, the confirmation of the average diameter of the latex particles, the electrophoretic behavior, and the establishment of the solids content below which the latex behaves according toBeer's law for the transmission of light. The colloidal system used in this study was a styrenebutadiene (∼ 1∶1) latex (Naugatex 2740) with potassium salt of the disproportionated rosin (Dresinate 214) as emulsifier.

Zusammenfassung

An einem Styrol-Butadien (∼1∶1)-Latex (Naugatex 2740) mit dem Kaliumsalz von disproportioniertem Harz (Dresinate 214) als Emulgator wurden folgende Untersuchungen durchgeführt: Dialyse, konduktometrische Bestimmung der Gesamtkonzentration an Seife im Latex, Einfluß der Verdünnung auf die Verteilung der Seife zwischen wässeriger und polymerer Phase, Ermittlung des mittleren Durchmessers der Partikel und elektrophoretisches Verhalten. Weiterhin wurde noch festgestellt, bis zu welchem Feststoffgehalt dasBeersche Gesetz für die Latexssuspension gilt.

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Supported by the U.S. Army Research Office (Durham), Grant No. DA-ARO(D)-31-124-G 656.

Part of a Ph. D. Thesis byC. G. Force.

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Force, C.G., Matijević, E. & Kratohvil, J.P. Colloidal properties of rubber latex. Kolloid-Z.u.Z.Polymere 223, 31–37 (1968). https://doi.org/10.1007/BF01514040

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  • DOI: https://doi.org/10.1007/BF01514040

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