A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
VERFAHREN ZUR HERSTELLUNG EINER EXTRUDIERTEN PLATTE
The disclosure relates to a method for producing an extruded sheet, which includes: a) providing calcium carbonate (CaCO3) powder; b) providing polyvinyl chloride (PVC) powder; c) providing additives as stabilisers, e) heating the mixture until the PVC softens to form a kneadable mass and the CaCO3 at least partially bonds to the PVC; f) cooling the mass; g) conveying the mass to an extruder; h) melting and extruding the mass by means of an extruder and moulding into a sheet by means of a slotted nozzle; i) pressing the still-warm sheet to a desired final thickness by means of at least two calendar rolls; and j) at least one layer of a pigmented lacquer is applied to the upper side; and k) an additional lacquer is applied to the pigmented lacquer to increase the scratch resistance.
VERFAHREN ZUR HERSTELLUNG EINER EXTRUDIERTEN PLATTE
The disclosure relates to a method for producing an extruded sheet, which includes: a) providing calcium carbonate (CaCO3) powder; b) providing polyvinyl chloride (PVC) powder; c) providing additives as stabilisers, e) heating the mixture until the PVC softens to form a kneadable mass and the CaCO3 at least partially bonds to the PVC; f) cooling the mass; g) conveying the mass to an extruder; h) melting and extruding the mass by means of an extruder and moulding into a sheet by means of a slotted nozzle; i) pressing the still-warm sheet to a desired final thickness by means of at least two calendar rolls; and j) at least one layer of a pigmented lacquer is applied to the upper side; and k) an additional lacquer is applied to the pigmented lacquer to increase the scratch resistance.
VERFAHREN ZUR HERSTELLUNG EINER EXTRUDIERTEN PLATTE
METHOD FOR PRODUCING AN EXTRUDED PLATE
PROCÉDÉ DE FABRICATION D'UNE PLAQUE EXTRUDÉE
GRAFENAUER THOMAS (author)
2025-02-12
Patent
Electronic Resource
German
IPC:
B29B
PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED
,
Vorbereiten oder Vorbehandeln der zu verformenden Masse
/
B29C
Formen oder Verbinden von Kunststoffen
,
SHAPING OR JOINING OF PLASTICS
/
B29K
Index-Schema für Formmassen oder Materialien für Verstärkungen, Füllstoffe oder vorgeformte Teile, z.B. Einlagen in Verbindung mit den Unterklassen B29B, B29C oder B29D
,
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
/
B29L
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
,
Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C
/
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
C08J
Verarbeitung
,
WORKING-UP
/
C08K
Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe
,
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
/
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden
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