1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Elongation-induced crystallization of a high molecular weight isotactic polybutene-1 melt compared to shear-induced crystallization
Rent:
Rent this article for
USD
10.1122/1.2426977
/content/sor/journal/jor2/51/2/10.1122/1.2426977
http://aip.metastore.ingenta.com/content/sor/journal/jor2/51/2/10.1122/1.2426977

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the extensional viscosity fixture (EVF).

Image of FIG. 2.
FIG. 2.

Time dependence of and for a PTFE sample with thickness, during (a) heating from to at maximum heating rate, and (b) cooling from to at cooling rate.

Image of FIG. 3.
FIG. 3.

Elongational viscosity curves of BR200 at , after different delay times before stretching at . One run from RME is also included.

Image of FIG. 4.
FIG. 4.

Transient elongational viscosity at with various delay times before stretching at .

Image of FIG. 5.
FIG. 5.

Determination of and data reproducibility for BR200 stretched at and .

Image of FIG. 6.
FIG. 6.

Sample temperature profile in EVF and plate-plate geometries during cooling from to , using different temperature control modes.

Image of FIG. 7.
FIG. 7.

Viscosity curves obtained from shearing/stretching experiments at shear/strain and , following different temperature control modes but comparable temperature profiles as given in Fig. 6.

Image of FIG. 8.
FIG. 8.

Transient elongational viscosity curves for BR200 stretched with various strain rates, at (a) and (b) .

Image of FIG. 9.
FIG. 9.

(a) Comparison of MSF simulation results and experimental data for BR200 at , and (b) determination of crystallization onset time.

Image of FIG. 10.
FIG. 10.

EIC onset times at 97 and .

Image of FIG. 11.
FIG. 11.

(a) EIC and SIC onset time data for BR200 at . Crosses are data points obtained by concentric cylinder (Couette) rheometer [Hadinata et al., 2005 (accepted)]. (b) EIC and SIC onset time data for BR200 at .

Image of FIG. 12.
FIG. 12.

Total strain at various deformation rates for (a) EIC, and (b) SIC of BR200 at 97 and .

Image of FIG. 13.
FIG. 13.

Temperature-invariant representation of EIC onset time data obtained at 97 and and strain rates , compared with SIC temperature-invariant curve.

Image of FIG. 14.
FIG. 14.

Shear viscosity curves of BR200 sheared at and after being annealed at different conditions.

Image of FIG. 15.
FIG. 15.

Elongational viscosity curves of BR200 stretched at and after being annealed at different conditions.

Tables

Generic image for table
TABLE I.

Physical properties of BR200. First heating run refers to the as-received sample, whereas the second heating run refers to the reheating after the sample has been melted at and cooled to (differential scanning calorimetry cooling/heating rate was ).

Generic image for table
TABLE II.

True sample temperature with regard to the imposed after steady-state conditions had been reached. The accuracy for setting is .

Generic image for table
TABLE III.

Relaxation spectrum of BR200 at , with as the number of modes.

Generic image for table
TABLE IV.

Temperature protocol using as controller, to mimic the sample temperature profile from EVF experiments in shear (plate-plate geometry).

Loading

Article metrics loading...

/content/sor/journal/jor2/51/2/10.1122/1.2426977
2007-03-01
2014-04-20
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Elongation-induced crystallization of a high molecular weight isotactic polybutene-1 melt compared to shear-induced crystallization
http://aip.metastore.ingenta.com/content/sor/journal/jor2/51/2/10.1122/1.2426977
10.1122/1.2426977
SEARCH_EXPAND_ITEM