PLASTICS - POLYURETHANE RAW MATERIALS - DETERMINATION OF ISOCYANATE CONTENT

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2009

Publisher

German Institute for Standardisation (Deutsches Institut für Normung)

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Application
6 Interferences
7 Sampling
8 Test conditions
9 Reagents
10 Apparatus
11 Method A - Toluene/dibutylamine with aqueous HCI
12 Method B - Toluene/TCB/DBA with methanolic HCI
National Annex NA (informative) - Bibliography

Describes two methods for the measurement of the isocyanate content of aromatic isocyanates used as polyurethane raw materials. Method A is primarily applicable to refined toluene diisocyanate (TDI), methylene-bis-(4-phenylisocyanate) (MDI) and their prepolymers. Method B is applicable to refined, crude or modified isocyanates derived from toluene diisocyanate, methylenebis-(4-phenylisocyanate) and polymethylene polyphenylisocyanate.

DevelopmentNote	Supersedes DIN EN ISO 9369 E. (09/2002)
DocumentType	Standard
Pages	16
PublisherName	German Institute for Standardisation (Deutsches Institut für Normung)
Status	Current

Standards	Relationship
NF EN ISO 14896 : 2009	Identical
ISO 14896:2009	Identical
EN ISO 14896:2009	Identical
UNE-EN ISO 14896:2009	Identical
UNI EN ISO 14896 : 2009	Identical
NEN EN ISO 14896 : 2009	Identical
NS EN ISO 14896 : 2009	Identical
I.S. EN ISO 14896:2009	Identical
NBN EN ISO 14896 : 2009	Identical
SN EN ISO 14896 : 2010	Identical
BS EN ISO 14896:2009	Identical

DIN EN ISO 385:2005-07	Laboratory glassware - Burettes (ISO 385:2005); German version EN ISO 385:2005
ISO 4787:2010	Laboratory glassware Volumetric instruments Methods for testing of capacity and for use
ISO 385:2005	Laboratory glassware Burettes
ISO 6353-1:1982	Reagents for chemical analysis — Part 1: General test methods
ISO 648:2008	Laboratory glassware — Single-volume pipettes
ISO 4788:2005	Laboratory glassware Graduated measuring cylinders
DIN EN ISO 648 E : 2009	LABORATORY GLASSWARE - SINGLE-VOLUME PIPETTES
ISO 14898:1999	Plastics Aromatic isocyanates for use in the production of polyurethane Determination of acidity
ISO 6353-3:1987	Reagents for chemical analysis — Part 3: Specifications — Second series
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
DIN ISO 3696:1991-06	WATER FOR ANALYTICAL LABORATORY USE - SPECIFICATION AND TEST METHODS
DIN EN ISO 385 E : 2005	LABORATORY GLASSWARE - BURETTES

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DIN EN ISO 14896:2009-07

Current

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referencing This Book

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