Parison formation and inflation of polyamides in blow molding

Alan H. Wegner, Dilhan M. Kalyon

Research output: Contribution to conferencePaperpeer-review

Abstract

The parison formation and inflation dynamics of the continuous blow molding process was studied using unmodified and modified polyamide 6 resins. The rheological material functions and the extrudate swelling (in the absence of gravitational effects) behavior of the three resins were characterized in detail. The parison formation during blow molding was studied using parison pinch-off together with cinematography. The inflation dynamics were characterized by a detailed motion analysis of the inflating parison using a transparent mold and cinematography to measure the inflation velocity and Hencky strain rates, coupled with the internal inflation pressure of the parison.

Original languageEnglish
Pages953-957
Number of pages5
StatePublished - 1996
EventProceedings of the 1996 54th Annual Technical Conference. Part 2 (of 3) - Indianapolis, IN, USA
Duration: 5 May 199610 May 1996

Conference

ConferenceProceedings of the 1996 54th Annual Technical Conference. Part 2 (of 3)
CityIndianapolis, IN, USA
Period5/05/9610/05/96

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