Characterization of polymer foam evolution in unpressurized melt systems
Alex J. Pritchard,
Peter J. Martin,
Mark P. McCourt
et al.
Abstract:The evolution of foam in unpressurized melt processing techniques, such as rotational molding, is different from high‐pressure processes like injection foam molding, making comparisons difficult. This has driven the need for a dedicated technique for studying these systems. A unique test procedure was developed to capture and characterize foam evolution in test tubes under unpressurized conditions. A validation study found the procedure to be reliable, producing repeatable samples (height average (AVG) 39.69 ±… Show more
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