Method for making a breathable film

A method for producing a breathable film based on polyvinyl chloride (PVC), including the following steps: a preparing a paste-like compound including a first fraction composed of PVC, a second fraction composed of a foreign material, and a third fraction composed of adjuvants and additives that tha...

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Bibliographische Detailangaben
Hauptverfasser:	KAMMERER BIRGIT, THORSTEN NEUMANN
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR GENERAL PROCESSES OF COMPOUNDING LAUNDERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL WORKING-UP
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Beschreibung
Zusammenfassung:	A method for producing a breathable film based on polyvinyl chloride (PVC), including the following steps: a preparing a paste-like compound including a first fraction composed of PVC, a second fraction composed of a foreign material, and a third fraction composed of adjuvants and additives that that are mixed together to form the paste-like compound, 2 applying the paste-like compound to a base, and 3 drying and gelling the paste-like compound, which has been applied to the base, through the addition of heat, thus forming the film in which pores extending from the one surface of the film to the other are formed, which give the film breathability.