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BS EN ISO 1628-3:2010

Current
Current

The latest, up-to-date edition.

Plastics. Determination of the viscosity of polymers in dilute solution using capillary viscometers Polyethylenes and polypropylenes
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-06-2010

Foreword
1 Scope
2 Normative references
3 Principle
4 Solvent
5 Apparatus
6 Test sample
7 Procedure
8 Expression of results
9 Test report

Describes particular conditions for determining the reduced viscosity (also known as viscosity number) and intrinsic viscosity of polyethylenes and polypropylenes at 135 degree C in dilute solution.

This part of ISO1628 defines particular conditions for determining the reduced viscosity (also known as viscosity number) and intrinsic viscosity of polyethylenes and polypropylenes at 135°C in dilute solution.

The viscosity of polymer solutions may be affected by additives present in the sample. The value of a reduced viscosity determined by this method may therefore be unreliable if the sample contains fillers or other additives.

NOTE Reduced viscosity is also known as the Staudinger function (Jv) and intrinsic viscosity as the Staudinger index (Jg).

Committee
PRI/82
DevelopmentNote
Renumbers and supersedes BS 2782-7.732C(1991). 2000 Version incorporates amendment 10831 to BS 2782-7.732C(1991). (10/2000) Supersedes 08/30152069 DC. (06/2010)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 1628-1:2009 Plastics Determination of the viscosity of polymers in dilute solution using capillary viscometers Part 1: General principles
ISO 3105:1994 Glass capillary kinematic viscometers — Specifications and operating instructions

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