B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
B22C 1/18 (2006.01)
Patent
CA 2177716
A binder composition for binding a water-insoluble particulate material, such as sand, in the manufacture of a foundry mould or core comprises a mixture of: 1) an inorganic binder consisting of an aqueous solution containing polyphosphate chains and/or borate ions and 2) a water-soluble surfactant. The inclusion of a water-soluble surfactant improves the flowability of foundry moulding compositions.
Une composition de liant destinée à lier une matière particulaire insoluble dans l'eau, telle que du sable, dans la fabrication d'un moule ou d'un noyau de fonderie, comprend un mélange: 1) d'un liant inorganique composé d'une solution aqueuse contenant des chaînes de polyphosphates et/ou des ions de borate, et 2) d'un tensioactif soluble dans l'eau. L'inclusion d'un tensioactif soluble dans l'eau permet d'améliorer l'aptitude à l'écoulement de cette composition de moulage de fonderie.
Borden (uk) Limited
Borden Chemical Uk Limited
Macrae & Co.
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