A method of making a sheet structure comprising a first polycarbonate layer which comprises a UV-absorbing compound and a second polycarbonate layer comprises: (i) selecting a liquid formulation comprising a vehicle, for example a trimellitate or low molecular weight acrylic and an UV absorbing additive; and (ii) mixing the liquid formulation with polycarbonate when said first polymeric material is in a molten state, for example in an extruder.
申请公布号
AU2012270055(A1)
申请公布日期
2013.11.07
申请号
AU20120270055
申请日期
2012.06.18
申请人
COLORMATRIX HOLDINGS, INC.
发明人
WINROW, PHILLIP;BROWN, PATRICK;LEEMING, JAMES;JONES, BRIAN STEWART;FROST, MARK