ISO/TS 21236-2:2021
Nanotechnologies — Clay nanomaterials — Part 2: Specification of characteristics and measurements for clay nanoplates used for gas-barrier film applications
This document specifies characteristics to be measured and measurement methods for clay nanoplate samples in powder and suspension forms used for gas-barrier films. In addition, measurement protocols for the individual characteristics are described.
This document does not deal with characteristics of post-manufacturing modification of clay nanoplates. This document does not cover considerations specific to health and safety issues either during manufacturing or use.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 Characteristics and measurement methods
5.1 General
5.2 Mineral composition
5.3 Chemical composition
5.4 Cation exchange capacity
5.5 Particle size
5.6 Loss on ignition
5.7 Methylene blue adsorption capacity
5.8 Aspect ratio
5.9 Film formability
5.10 Viscosity
6 Reporting
Annex A (informative) Measurement protocols
Annex B (informative) Principles of a gas barrier using clay nanoplates
Annex C (informative) Value chains of clay nanoplate materials
Annex D (informative) Example of reporting sheet
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 Characteristics and measurement methods
5.1 General
5.2 Mineral composition
5.3 Chemical composition
5.4 Cation exchange capacity
5.5 Particle size
5.6 Loss on ignition
5.7 Methylene blue adsorption capacity
5.8 Aspect ratio
5.9 Film formability
5.10 Viscosity
6 Reporting
Annex A (informative) Measurement protocols
Annex B (informative) Principles of a gas barrier using clay nanoplates
Annex C (informative) Value chains of clay nanoplate materials
Annex D (informative) Example of reporting sheet
Bibliography