Aluminum Flake Preparation Process Additives

It is flaky for aluminium powder foot-path higher without being had is the thick than, level structure , shielding effect and up to by horn effecting special goods two-dimentional, make it apply DCR paint , coating , printing ink the coating , top-grade car to reaching Crow extensively, trade of printing etc.. But because foreign countries technology leading some enterprise keep to flaky aluminium technology that powder prepare secret, blockade , make our country be unable to prepare the top-grade products which produce the flaky aluminium powder.Research this adopt high energy ball milling with cylinder ball milling , wanting methodding that combining mainly, carried on experiment research to different auxiliary under doing the dry law craft and wet law craft separately, to analyze some auxiliary and mill and make function and effect in course on the aluminium powder. Experiment result through being loose to load density with , filter , sift, water cover area , etc. test , come , confirm some auxiliary of function results tentatively;Adopt granularity distribution , SEM scan electric mirror , etc. test , come , survey aluminium powder size and shape looks of tiny particle;Analyse and research through XPS photoelectron energy spectrum some active base group , functional group of auxiliary help , mill, wrap up cover , function of modifying etc. to aluminium powder particle further finally. The experimental result shows :1. Theory and practice and indicate titanium sour ester unite pharmaceutical , high polymer occasionally and surfactant to mill, make flaky aluminium three of powder large to help and mill pharmaceutical type mainly.2. Aluminium preparation of powder of floating etc. among the , course, stearic acid main auxiliary, consumption its putaccording to raw materials 3 of quality into. According to experiment, polyvinyl alcohol , 12 alkyl benzene sulphur sour sodium,, single glyceride these good flaky aluminium single auxiliary of powder very too. Its consumption is joined according to 3 of raw materials quality too.3. Compound research of auxiliary, according to to love card aluminium powder analysis and research of surface, besides having stearic acid auxiliary that has a type of or other several kinds of the his auxiliary of surface. So based on different various auxiliary performances, we make stearic acid to go on experiment of compounding with some auxiliary, find stearic acid to be sour to compound , use by the auxiliary with A2 finally, aluminium made to rub powder best.4. Among it wrap up surface auxiliary that cover,-COOH, -OH, sulphur base S032~ sour hydroxyl carboxyl , etc. group last the not facilitating last aluminium the buoyancy of floatings of the powders, and C-C chain , alkyl phenyl R-C6HU fatty alcohol base fatty acid base R-COO", R-0- long in structure, etc. base group kiss not oily, base these group add , facilitate aluminium powder water build rise of area.