The use of natural polymers for foundry sands

The use of natural polymers for foundry sands

conference paper

Czech

In the last decade, appreciable attention is paid to on the working environmental conditions, which must be kept in certain limits. Natural polymers have been used in ancient times to improve properties of mortars and concrete. The atmosphere in the foundries is polluted by toxic gaseous compounds emitted during casting into moulds containing resins as binder of foundry sands. Therefore, new ecologically benign binders are developed. Promising results were obtained with some proteins, which are basic supporting constituents in different natural biomaterials. The preliminary experiments with some natural proteins as a binder of foundry sands exhibited appropriate tensile strength.

In the last decade, appreciable attention is paid to on the working environmental conditions, which must be kept in certain limits. Natural polymers have been used in ancient times to improve properties of mortars and concrete. The atmosphere in the foundries is polluted by toxic gaseous compounds emitted during casting into moulds containing resins as binder of foundry sands. Therefore, new ecologically benign binders are developed. Promising results were obtained with some proteins, which are basic supporting constituents in different natural biomaterials. The preliminary experiments with some natural proteins as a binder of foundry sands exhibited appropriate tensile strength.

foundry, protein binder, recycling

foundry, protein binder, recycling

Kramářová, D., Laichman, L., Brandštetr, J.

2003

15. 9. 2001

Banská Bystrica

80-89029-24-8

Zborník príspevkou 53. zjazdu chemických společností č. F-PO25

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