Method for manufacturing carpet, latex and granular starch product that can be used therefor, and carpet

The invention relates to a method for manufacturing carpet wherein at least one layer forming part of the carpet underlayer is formed from a latex of a natural or synthetic polymer wherein a granular starch product is included. The weight ratio of the granular starch product to the polymer of the la...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HEIDA, ALBERT SIEBREN, MEIJER, HENK JAAP
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR LAUNDERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL
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Beschreibung
Zusammenfassung:	The invention relates to a method for manufacturing carpet wherein at least one layer forming part of the carpet underlayer is formed from a latex of a natural or synthetic polymer wherein a granular starch product is included. The weight ratio of the granular starch product to the polymer of the latex (calculated on the dry substance) is in the range of 60/100 - 300/100 and the water content is chosen or set such that the weight ratio of the granular starch product to water is 60/100 - 200/100. From the foamed latex a layer is formed that is dried and cured, while the granular structure of the starch product is retained completely or almost completely. The invention also relates to a latex and to a precoated granular starch product that can be used for manufacturing carpet, and to carpet wherein a granular starch product forms the total or almost the total amount of filler present in at least one of the layers of the carpet underlayer.