Rubber latices. Methods of test - Determination of bound styrene content of non-reinforced styrene butadiene rubber latices

Rubber latices. Methods of test - Determination of bound styrene content of non-reinforced styrene butadiene rubber latices

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1   Scope and field of application

This International Standard specifies a method for the determination of the bound styrene content of styrene-butadiene rubber (SBR) latices.
The method is applicable to hot (approximately 50 °C) emulsion polymerized SBR latices having a bound styrene content, expressed on the SBR content, of up to 55 % and to cold (approximately 5 °C) emulsion polymerized SBR latices having a bound styrene content between 18 and 40 %.
The method is not applicable to reinforced styrene-butadiene rubber (SBR..Y) latices, carboxylated-styrene-butadiene rubber (XSBR) latices and pyridine-styrene-butadiene rubber (PSBR) latices.