Electrostatic stencil printing process utilizing polyester-alkyd resin powder

作者: John W Bayer

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摘要: There is disclosed an electrostatic printing ink composition consisting essentially of a free flowing, heat fusible polyesteralkyd resin powder prepared by reacting difunctional, aliphatic, hydroxy compound, e.g. glycol, and dicarboxylic acid or anhydride in the presence drying oil acid, vegetable fatty acid.