A process for making a container comprises injection molding a polymer preform having a non-reactive gas entrapped within the walls thereof, cooling the preform to a temperature below the polymer softening temperature, reheating the preform to a temperature above the polymer softening temperature, and blow molding the preform, to prepare a container consisting essentially of a microcellular foamed polymer having a non-reactive gas contained within the microcellular foam cells.
申请公布号
WO2005081756(A3)
申请公布日期
2006.10.19
申请号
WO2005US01774
申请日期
2005.01.21
申请人
PLASTIC TECHNOLOGIES, INC.;SEMERSKY, FRANK, E.;VOYLES, WILLIAM, D.;SADZEWICZ, EUGENE, M.
发明人
SEMERSKY, FRANK, E.;VOYLES, WILLIAM, D.;SADZEWICZ, EUGENE, M.