WebThis approach allowed for the incorporation of a high content of sulfur-sulfur (S-S) units in the copolymer that enabled thermomechanical scission of these dynamic covalent bonds … WebA Waters 150CV (refractive index DRI and single capillary viscometric detection) coupled with an on-line fight scattering detector (LALLS-Chromatix C-2dX100) was used for the characterization of star-branched model copolymers. The coupling of the DRI with light scattering detection provides average molecular weights.
A versatile approach for the synthesis of degradable polymers via ...
WebCyclic olefin (co-)polymer provides a high-temperature alternative to acrylic. Its refractive index and transmittance are similar but the heat distortion temperature is about 30°C … WebJan 15, 1999 · These periodic dielectric composites of air holes (refractive index n o = 1) and diblock walls ( n o = 1.6 for PS and 1.8 for PPQ) have a high refractive index contrast. The higher index contrast in fullerene-containing micellar films, C 70 ( n o = 1.94) and C 60 ( n o = 2.00 to 2.12) ( 20 ), can explain their superior optical properties. indigenous culture and intellectual property
High Refractive Index Polymers for Optical Applications
WebFeb 1, 2006 · However, PE has a low refractive index in the THz range, of approximately 1.5 [22]. When PE is used alone, interference by the etalon effect is weak such that identification thereof is... WebNov 18, 2024 · Fig. 2: DHF–NBE copolymers and copolymer degradation products. a – d , GPC traces for copolymers of DHF with 1 ( a ), 2 ( b ), 3 and 4 ( c ) and 5 ( d ), and their respective acid-catalysed ... WebMay 16, 2024 · Postoperative refraction assessment by using the subjective auto refractometer. The mean residual refractive power was 0.65 D (0–1.5 D, SD: 0.29). In total, 30 eyes (40%) had spherical equivalents between 0 and 0.5 D, 42 eyes (56%) of eyes had residual power of 0.5–1 D, and rest three eyes had>1D residual power . However none of … indigenous culture and renewable energy