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Norm
ISO 4901:1985
Ausgabedatum: 1985 09 19
Reinforced plastics based on unsaturated polyester resins — Determination of residual styrene monomer content
The residual styrene monomer content in reinforced plastics based on unsaturated polyester (UP) resins is an important criterion in evaluating the degree of cure of UP re...
ZURÜCKGEZOGEN: 2011 08 09
Herausgeber:
International Organization for Standardization
Format:
Digital | 5 Seiten
Sprache:
Englisch
Aktuell Gültig:
ICS
The residual styrene monomer content in reinforced plastics based on unsaturated polyester (UP) resins is an important criterion in evaluating the degree of cure of UP resins in the polymerized state. The determination is carried out by extraction of the residual monomer styrene from the UP resin in the polymerized state using dichloromethane and subsequent gaschromatographic analysis of the extract with n-butyl-benzene as internal standard. An alternative method of determining the residual styrene monomer by the Wijs method is also specified.
ISO 4901:2011
2011 08 09
Reinforced plastics based on unsaturated-polyester resins — Determination of the residual styrene mo...
Norm
ISO 4901:1985
1985 09 19
Reinforced plastics based on unsaturated polyester resins — Determination of residual styrene monome...
Norm
↖
Norm
Ausgabedatum :
2011 08 09
Reinforced plastics based on unsaturated-polyester resins — Determination of the residual styrene monomer content, as well as the content of other volatile aromatic hydrocarbons, by gas chromatography
