Method for recycling floor coverings
AssigneeClariant International Ltd.
InventorsGerd Hohner, Christian Steib, Timo Herrlich
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Abstract
The invention relates to a solvent-based separation method for the total material recycling of materials used in nonwoven, woven, and tufted wares into the individual material components thereof sorted by type. At least one of the materials contains a polyolefin wax. As a solvent and/or swelling agent, halogen-free, aliphatic hydrocarbons or aromatic hydrocarbons or a mixture of one or several of said solvents are used.
Claims20
A method of recovering individual varietally pure component materials used combined with each other in tufteds, wovens and nonwovens comprising the step of selective dissolution, selective swelling or both, wherein at least one of the component materials contains a polyolefin wax and the solvent and/or the swellant used comprises halogen-free aliphatic hydrocarbons aromatic hydrocarbons or both.
Dependencies are inferred from the claim text.