Question

Polymer melt flowing through a capillary exhibits die-swell. The correct statement(s), amongst the following, is/are

• A. Die-swell is due to entropic effect
• B. Die-swell is dependent on capillary length
• C. Die-swell is independent of processing temperature
• D. Die-swell is dependent on shear rate

Answer 1

The Correct Option is A, B, D

The correct options are (A):Die-swell is due to entropic effect ,(B):Die-swell is dependent on capillary length ,(D):Die-swell is dependent on shear rate