Stock material or miscellaneous articles – Pile or nap type surface or component – Particular backing structure or composition
Patent
1993-11-01
1995-12-05
Krass, Frederick
Stock material or miscellaneous articles
Pile or nap type surface or component
Particular backing structure or composition
428 97, D06N 700
Patent
active
054727634
ABSTRACT:
There is described a recyclable carpet floor covering comprising a backing, a tied-in pile yarn and a back finish with or without a secondary backing adhered to the (primary) backing, wherein the pile yarn, the (primary) backing and a secondary backing comprise polyester fibers and the back finish for the (primary) backing and for adhering a secondary backing comprises a consolidating and adhering composition comprising a combination of 10-70% by weight of a water-soluble or -dispersible first polyester A, and 90-30% by weight of a water-insoluble second polyester B, There are further described a process for producing the recyclable carpet floor covering and also an aqueous preparation of the consolidating and adhering composition comprising the polyesters A and B and the use thereof for consolidating the carpet floor coverings and optionally adhering them to secondary backings.
REFERENCES:
patent: 3779993 (1973-12-01), Kibler et al.
patent: 3941904 (1976-03-01), Hoh et al.
patent: 4154918 (1979-05-01), Buxbaum et al.
Schwarz Gerhard
Weber Manfred
Hoechst Aktiengesellschaft
Krass Frederick
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