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612-822-4611
Certification of the Rheological Behavior of SRM 2490, Polyisobutylene Dissolved in 2,6,10,14-Tetramethylpentadecane

Certification of the Rheological Behavior of SRM 2490, Polyisobutylene Dissolved in 2,6,10,14-Tetramethylpentadecane

Paperback

Technology & Engineering

ISBN10: 1494741393
ISBN13: 9781494741396
Publisher: Createspace
Published: Dec 18 2013
Pages: 102
Weight: 0.57
Height: 0.21 Width: 8.50 Depth: 11.02
Language: English
The certification of the rheological properties of standard reference material SRM 2490, a non-Newtonian fluid consisting of polyisobutylene dissolved in 2,6,10,14-tetramethylpentadecane, is described. The viscosity and the first normal stress difference were measured in steady shear at rates between 0.001 s-1 and 100 s- 1 at 0 C, 25 C and 50 C. The linear viscoelastic storage modulus G' and loss modulus G'' were also measured in dynamic oscillatory measurements between 0.04 rad/s and 100 rad/s in the temperature range between 0 C and 50 C and master curves calculated using time temperature superposition.

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