Reactive polymer particles and method of preparation
First Claim
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1. A method for the preparation of a UV curable electrostatographic toner comprising the steps of:
- A) dispersing a polymeric material and a UV curable material and a UV photoinitiator in an organic solvent to form an organic phase;
B) dispersing the organic phase in an aqueous phase comprising a particulate stabilizer to form a dispersion and homogenizing the resultant dispersion; and
C) removing the organic solvent from the dispersed particles formed in step (B) and recovering resultant product;
wherein no more than a limited amount of heat is used which prevents crosslinking side reactions of the UV curable material.
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Abstract
The present invention provides a method for the preparation of a UV curable electrostatographic toner. The process includes the steps of dispersing a polymeric material and a UV curable material and a UV photoinitiator in an organic solvent to form an organic phase. The organic phase is dispersed in an aqueous phase containing a particulate stabilizer to form a dispersion. The dispersion is homogenized and the organic solvent is removed from the dispersed particles in the dispersion which are then recovered.
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14 Claims
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1. A method for the preparation of a UV curable electrostatographic toner comprising the steps of:
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A) dispersing a polymeric material and a UV curable material and a UV photoinitiator in an organic solvent to form an organic phase; B) dispersing the organic phase in an aqueous phase comprising a particulate stabilizer to form a dispersion and homogenizing the resultant dispersion; and C) removing the organic solvent from the dispersed particles formed in step (B) and recovering resultant product;
wherein no more than a limited amount of heat is used which prevents crosslinking side reactions of the UV curable material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification