BS ISO 14899:2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Plastics. Polyols for use in the production of polyurethane. Determination of basicity
Hardcopy , PDF
English
15-05-2001
29-07-2022
Contents
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling
6 Interferences
7 Reagents
8 Apparatus
9 Procedure
10 Expression of results
11 Precision and bias
12 Test report
Bibliography
This standard provides a method for the measurement of trace amounts of basic materials present in polyether polyols used in the production of polyurethanes.
| Committee |
PRI/42
|
| DevelopmentNote |
Supersedes 99/121624 DC. (07/2005) Reviewed and Confirmed by BSI, July 2006. (07/2006)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
This International Standard specifies a method for the measurement of trace amounts of basic materials present in polyether polyols used in the production of polyurethanes. It is important to know the trace amount of basicity in a polyol to prevent gelation of the reaction mass during the production of polyurethane prepolymers. It is also useful to control the basicity in polyols used for polyurethane production to assure consistent and reproducible reaction behaviour. This method is suitable for quality control, as a specification test and for research.
The applicable range is 0 μg to 50 μg/g, expressed as KOH. The method is not applicable to amine-based polyols. The values may be reported as CPR (controlled polymerization rate) units.
| Standards | Relationship |
| ISO 14899:2001 | Identical |
A newer version of this standard is available.
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