Recyclable vinyl chloride carpet and process for producing thereof
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United States of America Patent
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Mar 26, 2013
Grant Date -
Nov 5, 2009
app pub date -
May 30, 2006
filing date -
May 30, 2005
priority date (Note) -
Expired
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Abstract
A production method according to the present invention is characterized in that the method comprises a step of obtaining a vinyl chloride resin paste sol by mixing a plasticizer and a vinyl chloride resin, a granulated material mixing step of mixing a granulated material having a grain size of 300 μm or less obtained by granulating a discarded carpet material containing a vinyl chloride resin with the vinyl chloride resin paste sol, a filling material adding step of obtaining a backing composition by mixing an inorganic filling material with a paste sol obtained at the granulated material mixing step, and a step of integrally laminating the backing composition on a back surface of a surface skin member.
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