Recyclable vinyl chloride carpet and process for producing thereof
AssigneeSuminoe Textile Co., Ltd.
InventorHideshi Yoshii
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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.
Claims10
A production method for making a carpet comprising a vinyl chloride resin backing containing a discarded carpet material, said method comprising:
- a step of obtaining a vinyl chloride resin paste sol by mixing a plasticizer, a lubricant 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 the 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, said surface skin member comprising a base fabric and pile implanted on the upper surface of said basic fabric,
- wherein as the lubricant, an olefin component having a carbon number of 7 to 24 and polyoxyethylene polyoxypropylene decylether are used.
Dependencies are inferred from the claim text.