Improved internal release agents for producing polyurethane...

Details Improved internal release agents for producing polyurethane... Improved internal release agents for producing polyurethane...

C - Chemistry, Metallurgy

08

J

C08J 5/10 (2006.01) B29C 33/60 (2006.01) C08J 3/20 (2006.01) C08K 5/098 (2006.01) C08K 5/42 (2006.01) C08K 5/521 (2006.01) C08K 7/02 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2304729

The present invention relates to improved internal mould release agents based on particular ammonium or metal salts of phosphoric acid esters, ammonium salts of carboxylic acids and/or ammonium or metal salts of sulfonic acids for producing cellular or compact, optionally glass fibre- and/or natural fibre-reinforced polyurethane mouldings. The polyurethane mouldings produced according to the invention may be laminated or coated with other materials.

L'invention concerne des agents de démoulage internes perfectionnés à base de sels d'ammonium ou métalliques spéciaux d'esters d'acide phosphorique, de sels d'ammonium d'acides carboxyliques et/ou de sels d'ammonium ou métalliques d'acides sulfoniques pour la fabrication de corps moulés en polyuréthane cellulaires ou compacts, éventuellement armés de fibres de verre et/ou de fibres naturelles. Les corps moulés en polyuréthane fabriqués selon le procédé décrit peuvent être plaqués ou revêtus avec d'autres matériaux.

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