Claims
- 1. A quaternary salt of the formula: ##STR34## wherein R.sub.1 is methyl, cyclohexyl, phenyl, or 4-[2-(N-benzyl-N,N-dimethylammonium)ethoxycarbonyl]phenyl associated with one of m-nitrobenzenesulfonate and tetraphenylborate, or 4-[2-(N-(2-benzoyloxy)ethyl)-N,N-dimethylammonium)ethoxycarbonyl]phenyl associated with one of m-nitrobenzenesulfonate and tetraphenylborate;
- R.sub.3 is C.sub.1 -C.sub.18 alkyl, benzyl, 2-(cyclohexanoyloxy)ethyl or 2-(benzoyloxy)ethyl;
- R.sub.4 is methyl or benzyl; and
- Z.sup..crclbar. is m-nitrobenzenesulfonate or tetraphenylborate;
- provided that R.sub.1 is not cyclohexyl or phenyl when R.sub.3 is methyl, R.sub.4 is benzyl, and Z.sup..crclbar. is m-nitrobenzenesulfonate.
- 2. A quaternary salt as in claim 1 wherein R.sub.1 is methyl or phenyl; R.sub.3 is methyl, C.sub.14 -C.sub.18 alkyl, or benzyl; R.sub.4 is methyl; and Z.sup..crclbar. is m-nitrobenzenesulfonate or tetraphenylborate.
- 3. A quaternary salt as in claim 1 wherein R.sub.1 is cyclohexyl or phenyl; R.sub.3 is 2-(cyclohexanoyloxy)ethyl or 2-(benzoyloxy)ethyl; R.sub.4 is methyl or benzyl; and Z.sup..crclbar. is m-nitrobenzenesulfonate or tetraphenylborate.
- 4. A quaternary salt as in claim 1 wherein R.sub.1 is phenyl; R.sub.3 is normal C.sub.18 alkyl; R.sub.4 is methyl; and Z.sup..crclbar. is m-nitrobenzenesulfonate or tetraphenylborate.
- 5. A quaternary salt as in claim 1 wherein R.sub.1 is 4-[2-(N-benzyl-N,N-dimethylammonium)ethoxy-carbonyl]phenyl associated with one of m-nitrobenzenesulfonate and tetraphenylborate or 4-[2-(N-(2-(benzoyloxy)ethyl)-N,N-dimethylammonium)ethoxycarbonyl]phenyl associated with one of m-nitrobenzenesulfonate and tetraphenylborate;
- R.sub.3 is benzyl or 2-(benzoyloxy)ethyl
- R.sub.4 is methyl; and
- Z.sup..crclbar. is m-nitrobenzenesulfonate or tetraphenylborate.
- 6. Toner particles comprising a thermoplastic polymeric matrix phase which has dispersed therein a quaternary ammonium salt of the formula: ##STR35## wherein R.sub.1 is alkyl, aryl, or ##STR36## wherein R.sub.5 is arylene or alkylene; R.sub.2 is alkyl, aryl or aralkyl;
- R.sub.3 is alkyl, aryl, aralkyl or ##STR37## R.sub.4 is alkyl, aryl or aralkyl; X is (CH.sub.2).sub.n or arylene;
- Z.sup..crclbar. is an anion; and
- n is an integer from 2 to 6.
- 7. A toner particle as in claim 6 wherein R.sub.1 is methyl or phenyl; R.sub.3 is methyl, C.sub.14 -C.sub.18 alkyl, or benzyl; R.sub.4 is methyl; and Z.sup..crclbar. is m-nitrobenzenesulfonate or tetraphenylborate.
- 8. A toner particle as in claim 6 wherein R.sub.1 is cyclohexyl or phenyl; R.sub.3 is 2-(cyclohexanoyloxy)ethyl or 2-(benzoyloxy)ethyl; R.sub.4 is methyl or benzyl; and Z.sup..crclbar. is m-nitrobenzenesulfonate or tetraphenylborate.
- 9. A toner particle as in claim 6 wherein R.sub.1 is phenyl; R.sub.3 is normal C.sub.18 alkyl; R.sub.4 is methyl; and Z.sup..crclbar. is m-nitrobenzenesulfonate or tetraphenylborate.
- 10. A toner particle as in claim 6 wherein R.sub.1 is 4-[2-(N-benzyl-N,N-dimethylammonium)ethoxycarbonyl]phenyl associated with one of m-nitrobenzenesulfonate and tetraphenylborate or 4-[2-(N-(2-(benzoyloxy)ethyl)-N,N-dimethylammonium)ethoxycarbonyl]phenyl associated with one of m-nitrobenzenesulfonate and tetraphenylborate;
- R.sub.3 is benzyl or 2-(benzoyloxy)ethyl
- R.sub.4 is methyl; and
- Z.sup..crclbar. is m-nitrobenzenesulfonate or tetraphenylborate.
Parent Case Info
This is a continuation-in-part of allowed U.S. patent application Ser. No. 479,774, filed Feb. 14, 1990, now U.S. Pat. No. 5,110,977. The teachings of Ser. No. 479,774 are herein incorporated in their entirety.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5110977 |
Wilson |
May 1992 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
479774 |
Feb 1990 |
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