Toner compositions with negative charge enhancing complexes
First Claim
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1. A negatively charged toner composition comprised of resin, pigment particles and/or dyes, optional surface additives, and an aluminum complex charge enhancing additive obtained from the reaction of aluminum ion with two molar equivalents, each of an ortho-hydroxybenzoic acid and an ortho-hydroxyphenol in the presence of a base.
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Abstract
A negatively charged toner composition comprised of resin, pigment particles and/or dyes, optional surface additives, and an aluminum complex charge enhancing additive obtained from the reaction of aluminum ion with two molar equivalents, each of an ortho-hydroxybenzoic acid and an ortho-hydroxyphenol in the presence of a base.
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Citations
25 Claims
- 1. A negatively charged toner composition comprised of resin, pigment particles and/or dyes, optional surface additives, and an aluminum complex charge enhancing additive obtained from the reaction of aluminum ion with two molar equivalents, each of an ortho-hydroxybenzoic acid and an ortho-hydroxyphenol in the presence of a base.
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2. A negatively charged toner composition comprised of polymer, colorant, optional surface additives, and an aluminum complex charge enhancing additive of the formula (I), (II), or mixtures thereof ##STR7## wherein R and R'"'"' are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, aryloxy, hydroxy, halogen, nitro and amino;
- M+ represents a counter cation; and
x and y are numbers of from 1 to 3. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 19, 21, 22, 23, 25)
- M+ represents a counter cation; and
Specification