Preparation and Characterization of Grinding Wheels Based on a Bioresin Matrix and Glass Sand Abrasives

Jun Zhang, Hai Luo, Antonio Pizzi, Guanben Du, Shuduan Deng


A 100% renewable, easily-prepared, and industrialized abrasive grinding wheel was produced based on a biobased thermosetting resins matrix; the matrix was made of condensed tannin-furanic resin, originating from biosourced raw materials such as tree barks and crops, which bond the particles of glass sand. These grinding wheels exhibited no cracks or pores. Moreover, the related properties of these products were characterized by the measurements of compression resistance, Brinell hardness, and wear resistance; the results were comparable to those of commercial grinding wheels prepared with synthetic phenolic resins and aluminum oxide particles. The results indicated that incomparable hardness and strong resistance towards compression can be obtained using the new tannin-based grinding wheels. Besides that, the results also revealed excellent properties of abrasiveness when compared to a commercial Taber Calibrade wheel H-18.


Grinding wheels; Tannin-furanic resin; Biosourced abrasives; Biopolymers; Glass sand

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