The production process of non-woven masterbatch is generally divided into four types: washing method, ink method, kneading method and metal soap method. The following four production methods of Rize in terms of non-woven masterbatch are as follows:
A. Flushing method: the pigment, water and dispersing agent are sanded to make the pigment particles less than 1 μm, and the pigment is transferred to the oil phase by a phase transfer method, and then dried to obtain a masterbatch. An organic solvent, as well as a corresponding solvent recovery unit, is required for phase inversion.
The process: fine color paste washing, evaporation concentrate, drying, adding carrier extrusion granulation
B. Ink method: As the name suggests, it is a production method of using ink color paste in the production of masterbatch, that is, a three-roll mill is used to coat a surface of the pigment with a low molecular protective layer. The ground fine color paste is then mixed with a carrier resin, then plasticized by a two-roll mill (also called a two-roll mill), and finally granulated by a single-screw or twin-screw extruder.
The process is as follows: batch mixing coarse color paste three-roll grinding fine color paste two-roll plasticating extrusion granulation
C. Kneading method: After blending the pigment and the oil carrier, the pigment is lyophilized to wash the pigment from the aqueous phase into the oil phase by kneading. At the same time, the surface of the pigment is coated by an oil carrier to stabilize the dispersion of the pigment and prevent the pigment from agglomerating.
D. Metal soap method: the pigment has a particle size of about 1 μm after grinding, and the soap liquid is added at a certain temperature, so that the surface layer of each pigment particle is evenly wetted by the soap liquid to form a saponification liquid, as a metal salt. After the solution is added, it chemically reacts with the saponified layer on the surface of the pigment to form a protective layer of metal soap (magnesium stearate), so that the finely divided pigment particles do not cause flocculation, but protect a certain fineness. .
It is believed that with the deepening of research, there will be safer, more convenient and more intelligent production processes, and the quality of non-woven masterbatch will be improved.
If you want to know more about the product information, please contact: Mr. Ni Jun 13805103263 Website: http://www.rzmb.cn/