Abrasion wear resistant polymeric substrate product

Details Abrasion wear resistant polymeric substrate product Abrasion wear resistant polymeric substrate product

B - Operations, Transporting

32

B

B32B 7/02 (2006.01) B32B 9/00 (2006.01) C23C 14/30 (2006.01) C23C 14/35 (2006.01) C23C 16/02 (2006.01) C23C 16/26 (2006.01) G02B 1/10 (2006.01)

Patent

CA 2090110

2090110 9206843 PCTABS00011 A substantially optically transparent coated substrate product (1) with a highly adherent, abrasion-resistant diamond-like hard carbon coating (4) is disclosed. The substrate product is comprised of a polymeric substrate (1), and adhesion-mediating polysiloxane polymer layer (2), one or more intermediate layers (3) and an outer layer of diamond-like hard carbon (4). The invention also allows for the production of adherent thin film interference layer coatings (i.e. quarter wavelength stacks and anti-reflection coatings) using diamond-like hard carbon as the high refractive index layer and the interlayer(s) as the low refractive index layer or, alternatively, using diamond-like hard carbon as the low refractive index layer and the interlayer(s) as the high refractive index layer. The substrate product is useful as optical and sunglass lenses.

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