AMINO ACID-CONTAINING MOULDING MATERIAL MIXTURE FOR PRODUCTION OF MOULDINGS FOR THE FOUNDRY INDUSTRY

The present invention relates to a moulding material mixture for production of mouldings for the foundry industry, especially for production of foundry moulds, cores or feeders, for the foundry industry, comprising A) one or more pourable refractory fillers, B) a binder system comprising i) formaldehyde, a formaldehyde donor and/or precondensates of formaldehyde, and ii) an amino acid. The presentinvention additionally relates to the use of amino acids in a moulding material mixture for production of mouldings for the foundry industry or for production of mouldings for the foundry industry, to a process for producing a moulding material mixture and to a process for producing a moulding for the foundry industry. 本发明涉及一种用于制造用于铸造工业的模制体的模制材料混合物，所述模制材料混合物尤其用于制造用于铸造工业的铸造模具、型芯或者馈料器，包括：A)一种或多种能倾注的、耐火填料，和B)粘合剂体系，包括i)甲醛、甲醛供体和/或甲醛构成的预缩合物，和ii)氨基酸。此外，本发明涉及一种氨基酸在用于制造用于铸造工业的模制体的模制材料混合物中或者用于制造用于铸造工业的模制体的应用，一种用于制造模制材料混合物的方法和一种用于制造用于铸造工业的模制体的方法。