Ulrike Schulz, Nancy Gratzke, Friedrich Rickelt, Caroline Hahmann, Tina Seifert, and Anne Gärtner, "Coating-relevant properties of high-index optical polymers for automotive applications," Appl. Opt. 60, E34-E40 (2021)
High-transparent polymers exhibiting a refractive index beyond 1.6 enhance the available range of optical plastics. The aim of this study is to evaluate optical polyesters (OKP-1 and OKP-4) and special new polycarbonates (PCs) (EP-6000 and EP-8000) in comparison with the widely used poly-bisphenol-A-based PC. The work is focused on optical properties as well as other properties that are important for the deposition of optical coatings. Plasma ion-assisted deposition is used for the deposition of an abrasion resistant antireflective coating (AR-hard).
Data underlying the results presented in this paper are available in Data File 1. More data may be obtained from the authors upon reasonable request.
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According to ISO 15184: softer $\leftarrow {4{\rm B}}$ 3B 2B B HB F H 2 H 3 ${\rm H} \to {\rm harder}$.
According to ISO 62-1 (24 h H2O, 23°C).
Dried at 50°C to a constant value.
Storage in water at 23°C with time in brackets.
Table 3.
Initial Transmission at 500 nm in % and Delta Before and After Environmental Tests (Average Sample Thickness 1.2 mm)
Tape test ISO 9211-4 on cross-cut, classified according to ISO 2409 from zero (no defect) to five (nearly complete delamination).
First tape test after venting.
Tape test after storage 96 h at 85°C/85% r.h.
Tables (4)
Table 1.
Materials Included in This Study: Refractive Index (589 nm) and Glass Temperature Provided by Manufacturers [5–7]
According to ISO 15184: softer $\leftarrow {4{\rm B}}$ 3B 2B B HB F H 2 H 3 ${\rm H} \to {\rm harder}$.
According to ISO 62-1 (24 h H2O, 23°C).
Dried at 50°C to a constant value.
Storage in water at 23°C with time in brackets.
Table 3.
Initial Transmission at 500 nm in % and Delta Before and After Environmental Tests (Average Sample Thickness 1.2 mm)
Tape test ISO 9211-4 on cross-cut, classified according to ISO 2409 from zero (no defect) to five (nearly complete delamination).
First tape test after venting.
Tape test after storage 96 h at 85°C/85% r.h.