White latex and that white plastic material processing, is the indispensable furniture produced a chemical adhesives, with big viscosity, resistant to focus on strong as well as fast and solidification advantages, this product low cost, simple technology, general conditions can be production.
A, the ratio of raw materials: vinyl acetate, 46 of polyvinyl alcohol (pva) 2.5 a, phosphorus acid butyl benzene 2 2 five a fat, distilled water 45.5 of potassium sulfate, one.
2, operation methods:
(1) will be with distilled water mixture polyvinyl alcohol (pva) reaction kettle, heated to 80 degrees, slow fully stir well, after four to six hours can be completely dissolved. (2) cooling to 60-65 degrees, keep a constant temperature, while 15% of the amount will formula to join vinyl acetate, 40% of the amount by the recipe side had added potassium sulfate. (3) reaction heat released when the temperature began to rise, automatic temperature reaches 80 degrees, in, then press formula dosage points times, each time with vinyl acetate added 10%, in 6-8 hours after added. (4) in gradually add in the process of vinyl acetate, every time a little time to join in the amount of potassium sulfate 4-6%, vinyl acetate, and after the rest of potassium sulfate into the reaction kettle, all in at this time in the temperature rise to 90-95%. (5) heat preservation 30 minutes and cooling to 50 degrees to add plasticizer phosphorus diformate butyl benzene 2 fat, stir well, natural cooling to room temperature gets finished product, for packaging.
White latex its appearance is white uniform emulsions, long-term place should be no layer.
White latex simple production technology
White latex, say again gather acid esters, or called ethylene emulsion polyvinyl acetate emulsion, a white viscous liquid, is one of the most widely used binder.
A, raw material and matching (weight) of
Vinyl acetate, poly (vinyl alcohol) 4, 44 dibutyl phthalate was selected fat 3, xinchun 1, ammonium persulfate 0.1, water 47.9 (had better use distilled water)
Second, production technology
1, will phthalic acid ten butyl fat and xinchun mixed, stirring, make its dissolution. Set aside.
2, in the zone of the reaction kettle with add heating, or with a simple lie between water heating equipment, make water to 70 degrees, in mixing joined up to 90 degrees, polyvinyl alcohol (pva), heat preservation to dissolve.
Three, that dissolve cooled to 66 69 degrees, in mixing joined the vinyl acetate.
4, join already prepared dibutyl phthalate was selected fat and xinchun mixture of.
5, add ammonium persulfate, stir to mix evenly, in 66 69 degrees of emulsion polymerization, for a quick white sticky white latex.