HP's NEW 2-STEP PROCESS FOR REMOVING INK

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HP's NEW 2-STEP PROCESS FOR REMOVING INK

 user 2009-10-13 at 11:31:36 am Views: 50
  • #22720

    http://www.greentechmedia.com/green-light/post/hewlett-packards-got-some-chemicals-for-removing-ink/
    HP’s NEW 2-STEP PROCESS FOR REMOVING INK
    Hewlett-Packard says the answer to getting rid of ink on recycled paper revolves around bubbles.HP Labs says it has devised a two-step process for removing ink from paper, which in turn will aid the recycling process. First, ethoxylated fatty alcohol is added to the vat of pulped paper to separate ink particles from the paper fibers. Then, anionic surfactants (check the medicine cabinet; you probably have some chewables made of this) are added to collect the ink droplets into bubbles that can be skimmed off the surface.”It gives us a universal deinking chemistry that caters to digital commercial prints and inkjet dye-based ink.” said HP Labs researcher Hou Ng in a prepared statement. “Our most recent data shows that we were able to use this deinking chemistry for offset media, like newsprint, which is one of the hardest media to deink.”

    A few years ago, HP showed off technology from making plastic ink cartridges out of old G.I. Joes and other discarded items.HP, of course, likes this technology because it can sell more printers, but the real game is royalties. Like IBM and Microsoft, HP garners millions a years from intellectual property licensing. The effort started back in 2003 when HP formed an internal group dedicated toward identifying interesting technologies in its labs and then finding customers for them. HP has great science and scientists, but sometimes has difficulty product-izing it all. Hence, they royalty strategy.Patent licensing is often attacked by critics as unfair and crippling to innovation. Then again, most of them haven’t invented anything you’d want to steal.