35344

ISO 4901:1985

Reinforced plastics based on unsaturated polyester resins - Determination of residual styrene monomer content

standard by International Organization for Standardization , 09/01/1985

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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.

 

Product Details

Published:
09/01/1985
Number of Pages:
5
File Size:
1 file , 530 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 4901:2011


    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

    • Most Recent

  2. ISO 4901:1985

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    Reinforced plastics based on unsaturated polyester resins - Determination of residual styrene monomer content

    • Historical Version