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UUS

ISO 2453:2020

Rubber, raw styrene-butadiene, emulsion-polymerized -- Determination of bound styrene content -- Refractive index method

Üldinfo
Kehtiv alates 05.05.2020
Tegevusala (ICS grupid)
83.040.10 Lateks ja toorkummi
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
05.05.2020
Põhitekst
01.09.2003
Parandus
27.06.1991
Põhitekst
This document specifies a method for determining the bound styrene content of emulsion-polymerized styrene-butadiene rubbers (SBR) by correlation with the measured refractive index of an extracted sample according to a table of refractive indices versus percentage mass fractions styrene. The method is also applicable to extracted oil-extended emulsion-polymerized SBR as long as it produces a film suitable for refractive index measurements. It is not applicable to solution-polymerized SBR.
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