| abstract |
The present invention provides a method for continuously producing a soy flour composition of particle size used as a soy flour binder useful as a binder for non-woven fabrics such as mineral fibers or glass mats. [Solution] Using a twin-screw extruder having two to three raw material inlets, raw soybean is ground and mixed, and polycarboxy emulsion copolymer is further mixed and dispersed in the mixing and mixing, so that the water-insoluble soybean is wet. Extrude and produce powder. In the aqueous binder, the soybean powder solid content is 51 to 95 wt. %, And the amount of the polycarboxy emulsion copolymer is 5 to 40 wt. %. [Selection figure] None |