ISO 2028:1999
Synthetic rubber latex — Preparation of dry polymer
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Synthetic rubber latex— Preparation of dry polymer
Foreword
Synthetic rubber latex— Preparation of dry polymer
1 Scope
2 Normative references
3 Principle
4 Reagents
4.1 Coagulant A
4.2 Coagulant B
4.3 Antioxidant
4.4 Aluminium sulfate solution
4.5 Ethanol
5 Apparatus
5.1 Stainless-steel beaker
5.2 Graduated cylinders
5.3 Electric stirrer
5.4 Magnetic stirrer
5.5 Suitable device for injecting steam
5.6 Gauze filter
5.7 Drying pan
5.8 Ventilated oven
5.9 Balance
6 Procedure
6.1 General
6.2 Styrene-butadiene (SBR) latices (of less than
6.2.1 If it is not known whether or not the latex contains an antioxidant, transfer a portion ...
6.2.2 Transfer
6.2.3 Strain through a clean gauze (
6.2.4 Transfer the damp polymer crumbs to a suitable pan (
6.3 Carboxylated (X-SBR and X-NBR) latices
6.3.1 If it is not known whether or not the latex contains an antioxidant, transfer a portion ...
6.3.2 Take a portion of latex containing approximately
6.4 Nitrile (NBR) latices
6.4.1 If it is not known whether or not the latex contains an antioxidant, transfer a portion ...
6.4.2 Transfer
6.5 Concentrated latices (more than
6.5.1 If it is not known whether or not the latex contains an antioxidant, transfer a
6.5.2 Transfer
7 Report
Bibliography
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Synthetic rubber latex— Preparation of dry polymer
Foreword
Synthetic rubber latex— Preparation of dry polymer
1 Scope
2 Normative references
3 Principle
4 Reagents
4.1 Coagulant A
4.2 Coagulant B
4.3 Antioxidant
4.4 Aluminium sulfate solution
4.5 Ethanol
5 Apparatus
5.1 Stainless-steel beaker
5.2 Graduated cylinders
5.3 Electric stirrer
5.4 Magnetic stirrer
5.5 Suitable device for injecting steam
5.6 Gauze filter
5.7 Drying pan
5.8 Ventilated oven
5.9 Balance
6 Procedure
6.1 General
6.2 Styrene-butadiene (SBR) latices (of less than
6.2.1 If it is not known whether or not the latex contains an antioxidant, transfer a portion ...
6.2.2 Transfer
6.2.3 Strain through a clean gauze (
6.2.4 Transfer the damp polymer crumbs to a suitable pan (
6.3 Carboxylated (X-SBR and X-NBR) latices
6.3.1 If it is not known whether or not the latex contains an antioxidant, transfer a portion ...
6.3.2 Take a portion of latex containing approximately
6.4 Nitrile (NBR) latices
6.4.1 If it is not known whether or not the latex contains an antioxidant, transfer a portion ...
6.4.2 Transfer
6.5 Concentrated latices (more than
6.5.1 If it is not known whether or not the latex contains an antioxidant, transfer a
6.5.2 Transfer
7 Report
Bibliography