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ILNAS-EN ISO 15023-2:2019
Edition
04/2019
Plastics - Poly(vinyl alcohol) (PVAL) materials - Part 2: Determination of properties (ISO 15023-2:2019)
Plastics - Poly(vinyl alcohol) (PVAL) materials - Part 2: Determination of properties (ISO 15023-2:2019)
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Abstract
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).
Status
| Standard - Active |
Origin
| Technical Committee : |
| CEN/TC 249 : Plastics |
Implementation
| start of the vote on the project | 22/12/2016 | date of ratification (dor) | 08/02/2019 | |||
| end of the vote on the project | 13/03/2017 | date of anouncement (doa) | 31/07/2019 | |||
| start of the vote on the final project | 08/11/2018 | date of publication (dop) | 31/10/2019 | |||
| end of the vote on the final project | 31/12/2018 | date of withdrawal (dow) | 31/10/2019 |
|
Publication Official Journal
of the Grand-Duchy of Luxembourg |
24/05/2019 |
| Reference | Mémorial A N° 347 |
Relations
| Relations to older standards |
| ILNAS-EN ISO 15023-2:2006 |
| Relations to international standards |
| ISO 15023-2 |
| ISO 15023-2:2019 |
International Classification for Standards (ICS codes) :
| 83.080.20 : Thermoplastic materials |
