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  • Medical Device Link . ACRYLIC POLYMERS: A CLEAR FOCUS
    . Acrylic polymer, derived from the monomer methyl methacrylate (MMA), was first developed more than 60 years ago. Since then, formulations have extended the material's performance range, resulting in varying levels of melt flow, impact resistance, colorability, gamma recovery, and other controlled
  • Artificial Lens Hazing Root-Cause Analysis
    IOL are often implanted as a replacement for cataract-damaged lenses, or in some cases to change the optical power of the lens. These lenses were originally made from poly(methyl methacrylate) (PMMA) but are now often silicone and acrylic. The ideal material for this application is one that has
  • Medical Device Link .
    009;The IR energy can be delivered to the weld zone using a fiber-optic bundle. The fibers, commonly made from quartz or optically clear polymer, can carry the light energy around curves and for substantial distances. These properties are derived from the phenomenon of internal reflection. Light
  • Hydrophobic Polymers for Liquid Cleaning Formulations
    A patented method to provide acrylic acid:styrene (AA:Sty)copolymers with a variety of AA:Sty mole ratios is described. This method allows the polymer to be provided as a solution in water with up to 50 mole percent styrene. The addition of significant amounts of styrene provides increased
  • Medical Device Link .
    superabsorbent fibres, which are normally constructed from acrylic copolymers, with the ability to absorb up to 50 times their own weight in water. This property renders them useful for incontinence products and for inclusion in dressings for wounds that release large volumes of exudates. Increasingly
  • Medical Device Link .
    new materials, Chapiro noted that the technology permits bulk or targeted modifications. "In grafting polyethylene to acrylic acids, for example, you retain all of the properties of polyethylene while fostering strong adhesion to metals, " he said. "For implant applications, a biocompatible polymer
  • Medical Device Link .
    MOLDING - ONLINE EXPANDED VERSION A fluidic card is constructed from layers of acrylic bonded with an optically clear bottom and a gas-permeable top. A single inlet distributes nutrients evenly across all 10 sample chambers. In the development of molecular and immunodiagnostic products, many
  • Medical Device Link .
    or targeted modifications. "In grafting polyethylene to acrylic acids, for example, you retain all of the properties of polyethylene while fostering strong adhesion to metals," he said. "For implant applications, a biocompatible polymer can be grafted onto the surface of another polymer

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