| 摘要 |
FIELD: chemistry.SUBSTANCE: modified binding agent represents product, obtained by reaction between phenolic acid, selected from the group, including novolac or resole resin in amount 59-82 wt % with propargyl halide in amount 18-41 wt % in presence of alkaline agent - in excess with respect to propargyl halide and further heating of reaction product for its partial thermal polymerisation at temperature which does not exceed 140°C.EFFECT: obtaining solid resin-like or powder-like binding agent, capable of further granulation.10 cl, 1 tbl, 1 ex |
