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Inert‐gas extrusion of rigid PVC foam
Author(s) -
Dey S. K.,
Jacob C.,
Xanthos M.
Publication year - 1996
Publication title -
journal of vinyl and additive technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 35
eISSN - 1548-0585
pISSN - 1083-5601
DOI - 10.1002/vnl.10093
Subject(s) - blowing agent , plastics extrusion , extrusion , materials science , inert , inert gas , composite material , foaming agent , argon , chemistry , organic chemistry , polyurethane , porosity
A novel approach to the extrusion of high‐density, rigid PVC foam uses commercial RPVC compounds with inert‐gas physical blowing agents (carbon dioxide and argon). The process was developed on a segmented single‐screw extruder with L/D of 40. On‐line monitoring of process variables was also carried out. This technique provides an alternative to conventional processing methods using chemical blowing agents.