Preparation method for styrene-acrylic polyester resin
A technology of polyester resin and styrene-acrylic, applied in the field of preparation of styrene-acrylic-polyester resin, can solve the problems of complicated process, limited development and application, etc., and achieves the effects of good compatibility and low fixing temperature
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Embodiment 1
[0024] 75g styrene, 20g ethyl acrylate, 8g polyethylene terephthalate, 8g polytrimethylene terephthalate and 2g azobisisobutyronitrile were added to the autoclave, and carbon dioxide gas was passed into it, Control the temperature inside the autoclave to 70° C. and the pressure to 20 MPa, react under stirring at 600 rpm for 8 hours, then cool down to room temperature and standard atmospheric pressure to obtain a styrene-acrylic-polyester resin.
Embodiment 2
[0026] 85g styrene, 15g butyl acrylate, 15g polyoctamethylene glycol sebacate and 2g ammonium persulfate were added to the autoclave, and carbon dioxide gas was introduced to control the temperature inside the autoclave to be 80°C and the pressure to be 15MPa, react at 800rpm with stirring for 6h, then lower to room temperature and standard atmospheric pressure to obtain styrene-acrylic-polyester resin.
Embodiment 3
[0028] According to the mass ratio of 85:5:2:8, the styrene-acrylic-polyester resin, paraffin wax, zinc salicylate and carbon black prepared in Example 1 were uniformly mixed in a high-speed mixer, and then melted and mixed at a high temperature, and passed The extruder extrudes the tablet, then enters the ball mill for coarse crushing, and further crushes and classifies the toner particles of 5 μm to 10 μm through the jet mill; mixes 20 g of the obtained toner particles with 0.12 g of nano-silicon dioxide powder evenly, and obtains suitable Black toner for laser printing.
[0029] The black pigments are replaced by yellow, magenta and cyan pigments respectively, and the proportions of different pigments are slightly different, but it can be prepared according to the prior art, and yellow, magenta and cyan toners suitable for color laser printing can be obtained.
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