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Homepage>BS EN ISO 15023-2:2019 Plastics. Poly(vinyl alcohol) (PVAL) materials Determination of properties
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sklademVydáno: 2019-04-17
BS EN ISO 15023-2:2019 Plastics. Poly(vinyl alcohol) (PVAL) materials Determination of properties

BS EN ISO 15023-2:2019

Plastics. Poly(vinyl alcohol) (PVAL) materials Determination of properties

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Označení normy:BS EN ISO 15023-2:2019
Počet stran:26
Vydáno:2019-04-17
ISBN:978 0 580 92872 7
Status:Standard
DESCRIPTION

BS EN ISO 15023-2:2019


This standard BS EN ISO 15023-2:2019 Plastics. Poly(vinyl alcohol) (PVAL) materials is classified in these ICS categories:
  • 25.220.40 Metallic coatings
  • 83.080.20 Thermoplastic materials

This document specifies the methods to be used in determining the properties of poly(vinyl alcohol), which is normally prepared by hydrolysis of poly(vinyl acetate) and whose composition comprises vinyl alcohol monomeric units and vinyl acetate monomeric units. This document is applicable to poly(vinyl alcohol) with a vinyl alcohol unit content (degree of hydrolysis) from 70 mol% to 100 mol%.

In addition to the designatory properties specified in ISO 15023‑1 (degree of hydrolysis and viscosity of an aqueous solution), this document includes a number of other properties which are commonly used to specify PVAL materials (see Table 1).

This document specifies the methods to be used in determining the properties of poly(vinyl alcohol), which is normally prepared by hydrolysis of poly(vinyl acetate) and whose composition comprises vinyl alcohol monomeric units and vinyl acetate monomeric units. This document is applicable to poly(vinyl alcohol) with a vinyl alcohol unit content (degree of hydrolysis) from 70 mol% to 100 mol%.

In addition to the designatory properties specified in ISO 15023‑1 (degree of hydrolysis and viscosity of an aqueous solution), this document includes a number of other properties which are commonly used to specify PVAL materials (see Table 1).