Low-stretch and dimensionally stable floor covering

Details Low-stretch and dimensionally stable floor covering Low-stretch and dimensionally stable floor covering

A - Human Necessities

47

G

A47G 27/02 (2006.01) B32B 7/04 (2006.01) D06N 7/00 (2006.01)

Patent

CA 2170387

A low-stretch and dimensionally stable floor covering comprising polymer-containing pile material which is retained to a polymer-containing primary backing, to the back of which an underlying secondary backing layer is retained by means of an interleafing adhesive layer. The secondary backing layer comprises a needled fibre structure of thermoplastic, polymer containing, continuous or staple fibres being inter-fixated by heating. The adhesive layer comprises an organic, polymer-containing binder which is activated by heat application. According to the invention, at least the secondary backing layer and/or the binder layer comprise a substantially re-usable material. After being formed, the carpet is wound onto so-called broadloom rollers and can, if desired, be cut partially into carpet tiles. Thus, carpet tiles and broadloom carpets can be manufactured in the same production process.

Moquette à faible élasticité de bonne stabilité dimensionnelle (1) faite de fibres coupées de polymère (2) fixées à un premier substrat à base de polymère (3) au dos duquel un second substrat (5) est collé par l'intermédiaire d'une couche adhésive intercalaire (4). Le deuxième substrat (5) consiste en un aiguilleté de fibres thermoplastiques de polymère, continues ou coupées, entreliées à chaud. La couche adhésive (4) consiste en un liant organique à base de polymère durcissant à la chaleur. Le second substrat et/ou de la couche adhésive consistent en un matériau en grande partie recyclable. Une fois terminée, la moquette est enroulée sous forme de rouleaux continus et elle peut, si nécessaire, être découpée partiellement en dalles. Ce procédé permet donc de produire dans un même processus des dalles et des rouleaux continus.

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