Recyclable vinyl chloride carpet and process for producing thereof
US8404067B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 30, 2006 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Dec 15, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/23979
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.