标准编号：ISO 2453:2020
中文名称：聚合乳液生丁苯橡胶 束缚苯乙烯含量的测定 折射率法
英文名称：Rubber, raw styrene-butadiene, emulsion-polymerized — Determination of bound styrene content — Refractive index method
发布日期：2020-05
标准范围
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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