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Poly(vinyl alcohol) Hydrogels Reinforced with Nanocellulose for Ophthalmic Applications : General Characteristics and Optical Properties
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- Tummala, Gopi Krishna, 1986- (author)
- Uppsala universitet,Nanoteknologi och funktionella material
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- Rojas, Ramiro (author)
- KTH,Fiber- och polymerteknologi,Wallenberg Wood Science Center,Fibre and Polymer Technology and Wallenberg Wood Science Center, School of Chemical Science and Engineering, KTH Royal Institute of Technology, Stockholm, Sweden
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- Mihranyan, Albert (author)
- Uppsala universitet,Nanoteknologi och funktionella material
- (creator_code:org_t)
- 2016-12-14
- 2016
- English.
- In: Journal of Physical Chemistry B. - : American Chemical Society (ACS). - 1520-6106 .- 1520-5207. ; 120:51, s. 13094-13101
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Globally, uncorrected refractive errors are one of the main causes of visual impairment, and contact lenses form an important part of modern day eye care and culture. Several hydrogels with varying physicochemical properties are in use to manufacture soft contact lenses. Hydrogels are generally too soft and reinforcement with appropriate materials is desirable to achieve high water content without compromising mechanical properties. In this study, we have developed a highly transparent macroporous hydrogel with water content >90%, by combining poly(vinyl alcohol) with nanocellulose. Furthermore, the results show that the composite hydrogel has refractive index close to that of water and very good UV-blocking properties.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
Keyword
- Water-Content
- Transparent
- Cellulose
- Scattering
- Gelation
- Light
- Gels
- Teknisk fysik med inriktning mot nanoteknologi och funktionella material
Publication and Content Type
- ref (subject category)
- art (subject category)
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