ISO 21561:2005

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Styrene-butadiene rubber (SBR) — Determination of the microstructure of solution-polymerized SBR

Published By	Publication Date	Number of Pages
ISO	2005-12	20

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Categories: 83.060 - Rubber, ISO

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Description

ISO 21561:2005 specifies procedures for the quantitative determination of the microstructure of the butadiene units and the content of styrene units in solution-polymerized SBR (S-SBR) by ¹H-NMR spectrometry as an absolute method and by IR spectrometry as a relative method. The styrene content is expressed in mass % relative to the whole polymer. The 1,4-trans, 1,4-cis and 1,2-vinyl contents are expressed in mol % relative to the butadiene units.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	2005-12
Pages Count	20
Language	English
Edition	1
File Size	2.5 MB
ICS Codes	83.060 - Rubber

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ISO 21561:2005

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