SS-ISO-2028 Synthetic rubber latex - Preparation of dry polymer

SS-ISO-2028 - EDITION 1 - CURRENT


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This International Standard specifies four methods for the isolation of dry polymer from synthetic polymer latices containing anionic surfactants, for the purpose of subsequent testing. Tests that may be performed include the determination of the Mooney viscosity, the bound-styrene or acrylonitrile content in the polymer chain or the mill shrinkage. Because of the wide variety of surfactants and stabilizers that are used in the manufacture of synthetic rubber latices, no one method is suitable for all latices. The methods given in this International Standard are suitable for a wide variety of latices, but their applicability should be confirmed for individual types. Latices containing non-ionic stabilizers, in particular, may be resistant to coagulation. These methods are not necessarily suitable, without modification, for latices containing polymers having high tack. It should be noted that the dry polymer as isolated may contain residual organic acids or their aluminium salts which may affect the properties of the polymer. This should be taken into account when performing analytical tests.

To find similar documents by classification:

83.040.10 (Latex and raw rubber)

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Designation Name

SS-ISO 2028

Revision Level

EDITION 1

Status

Current

Publication Date

Aug. 18, 2000

Language(s)

English

Page Count

7

International Equivalent

ISO 2028:1999 IDT