Vegetable oil as foam stabilizer in PU boots manufacturing

Vegetable oil as foam stabilizer in PU boots manufacturing

The present disclosure relates to a process for preparing polyurethane moldings, including the steps of providing a reaction mixture (M), including at least one polyisocyanate, and at least one component with two functional groups which are reactive towards isocyanates, introducing the reaction mixt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Baravalle, Cristian, Bocquet, David, Ortalda, Marco
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CHEMISTRY
COMPOSITIONS BASED THEREON
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:The present disclosure relates to a process for preparing polyurethane moldings, including the steps of providing a reaction mixture (M), including at least one polyisocyanate, and at least one component with two functional groups which are reactive towards isocyanates, introducing the reaction mixture (M) into a mold and allowing the reaction mixture (M) to react to form a polyurethane molding. In the first step, at least one additive selected from vegetable oils is added to the mixture (M). The present disclosure also relates to a polyurethane molding obtained or obtainable according to said process and the use of a polyurethane molding according to the invention as sole of a boot or part of a sole of a boot.