Standard Swedish standard · SS-ISO 21561:2005

Styrene-butadiene rubber (SBR) - Determination of the microstructure of solution-polymerized SBR (ISO 21561:2005, IDT)

Status: Withdrawn

· Replaced by: SS-ISO 21561-2:2016 Amended by: SS-ISO 21561:2005/Amd 1:2010
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Standard Swedish standard · SS-ISO 21561:2005

Styrene-butadiene rubber (SBR) - Determination of the microstructure of solution-polymerized SBR (ISO 21561:2005, IDT)
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Scope
This International Standard 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.
NOTE IR spectrometry can also give absolute values of microstructure by calibration with S-SBRs of known absolute microstructure obtained by 1H-NMR spectrometry.

Subjects

Rubber (83.060)


Buy this standard

Standard Swedish standard · SS-ISO 21561:2005

Styrene-butadiene rubber (SBR) - Determination of the microstructure of solution-polymerized SBR (ISO 21561:2005, IDT)
Subscribe on standards - Read more Dölj
Price: 1 378 SEK
standard ikon pdf

PDF

Price: 1 378 SEK
standard ikon

Paper

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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-41494

Edition: 1

Approved: 12/2/2005

No of pages: 18

Replaced by: SS-ISO 21561-2:2016