Partially expanded closed-cell unmatured polystyrene bead with a partial vacuum within the cells inside the bead, which may be coated with an air impervious coating to retain a partial vacuum inside cells for a prolonged period of time. The resulting bead has improved thermal insulating properties and may be used for insulation.
申请公布号
WO2010138376(A1)
申请公布日期
2010.12.02
申请号
WO2010US35561
申请日期
2010.05.20
申请人
NOVA CHEMICALS INC.;PETELA, GRAZYNA;BERGHMANS, MICHEL;CHEE, THOMAS