公开(公告)号：WO2022026289A1

公开(公告)日：2022-02-03

申请号：PCT/US2021/042738

申请日：2021-07-22

申请人： SOLUTIA INC.

发明人： SPANGLER, Lora, Lee ,  HALDEMAN, Steven, V. ,  KRAMER, Ingo ,  HURLBUT, Jeffrey, B.

IPC分类号： B32B17/10 ,  G02B27/00

摘要： A wedge-shaped interlayer having reduced dynamic ghosting is provided, wherein the interlayer comprises at least one polymer layer comprising a poly(vinyl acetal) resin and at least one plasticizer, wherein said wedge-shaped interlayer defines a head-up display (HUD) region having a target vertical wedge angle, an actual vertical wedge angle and an absolute wedge angle rate of change, wherein the absolute wedge angle rate of change is less than 3.0 prad/mm throughout the entire HUD region.