IS 4511 Pt.4-1986

标准号：IS 4511 Pt.4-1986
发布日期：1987/5/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：1.1 This standard ( Part 4 ) prescribes a method for the determination of the bound styrene content of styrene-butadiene rubber (SBR) latices.1.2 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 percent and to cold ( approximately 5°C) emulsion polymerized SBR latices having a bound styrene content between 18 and 40 percent.1.3 The method is not applicable to reinforced styrene-butadiene rubber (SBR..Y) latices, carboxylated-styrene-butadiene rubber ( XSBR ) latices and pyridine-butadiene rubber ( PSBR ) latices.