Ink compositions
First Claim
1. An ink composition comprised of a colorant and an imide or bisimide and which ink possesses a viscosity of from about 1 centipoise to about 10 centipoise at a temperature of from about 125°
- C. to about 180°
C., and which imide or bisimide is of the Formulas I or II, respectively;
##STR5## wherein R is a hydrocarbon of from about 2 to about 50 carbon atoms;
R'"'"' is an alkylene hydrocarbon or a polyalkyleneoxide, each with from about 2 to about 30 carbon atoms; and
X is an arylene of from 6 to about 24 carbon atoms, or an alkylene of from about 2 to about 10 carbon atoms, and wherein said ink is a solid at room temperature, about 20°
C. to about 40°
C.
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Accused Products
Abstract
An ink composition comprised of a colorant and an imide or bisimide with a viscosity of from about 1 centipoise to about 10 centipoise at a temperature of from about 125° C. to about 180° C., and which imide or bisimide is of the Formulas I or II, respectively: ##STR1## wherein R is a hydrocarbon of from about 2 to about 50 carbon atoms; R'"'"' is an alkylene hydrocarbon or a polyalkyleneoxide, each with from about 2 to about 30 carbon atoms; and X is an arylene of from 6 to about 24 carbon atoms, or an alkylene of from about 2 to about 10 carbon atoms.
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Citations
20 Claims
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1. An ink composition comprised of a colorant and an imide or bisimide and which ink possesses a viscosity of from about 1 centipoise to about 10 centipoise at a temperature of from about 125°
- C. to about 180°
C., and which imide or bisimide is of the Formulas I or II, respectively;
##STR5## wherein R is a hydrocarbon of from about 2 to about 50 carbon atoms;
R'"'"' is an alkylene hydrocarbon or a polyalkyleneoxide, each with from about 2 to about 30 carbon atoms; and
X is an arylene of from 6 to about 24 carbon atoms, or an alkylene of from about 2 to about 10 carbon atoms, and wherein said ink is a solid at room temperature, about 20°
C. to about 40°
C. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 16, 17, 18, 19)
- C. to about 180°
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11. A process which comprises (a) providing an acoustic ink printer having a pool of liquid ink with a free surface, and a printhead including at least one droplet ejector for radiating the free surface of said ink with focused acoustic radiation to eject individual droplets of ink therefrom on demand, said radiation being directed to focus with a finite waist diameter in a focal plane, said ink comprising a colorant and an imide and which ink possesses a viscosity of from about 1 centipoise to about 10 centipoise at a temperature of from about 125°
- C. to about 165°
C., and which amide I is of the formula ##STR6## wherein R is alkyl of from about 2 to about 50 carbon atoms; and
X is an alkylene or an arylene; and
wherein said imide is N'"'"'-methylphthalimide, N'"'"'-ethylphthalimide, N'"'"'-propylphthalimide, N'"'"'-butylphthalimide, N'"'"'-hexylphthalimide, N'"'"'-heptylphthalimide, N'"'"'-octylphthalimide, N'"'"'-decylphthalimide, N'"'"'-dodecylphthalimide, N'"'"'-stearylphthalimide, N'"'"'-methylsuccinimide, N'"'"'-ethylsuccinimide, N'"'"'-propylsuccinimide, N'"'"'-butylsuccinimide, N'"'"'-hexylsuccinimide, N'"'"'-heptylsuccinimide, N'"'"'-octylsuccinimide, N'"'"'-decylsuccinimide, N'"'"'-dodecylsuccinimide, N'"'"'-stearylsuccinimide, N'"'"'-methyl-2-octadecen-succinimide, N'"'"'-ethyl-2-octadecen-succinimide, N'"'"'-propyl-2-octadecen-succinimide, N'"'"'-butyl-2-octadecen-succinimide, N'"'"'-hexyl-2-octadecen-succinimide, N'"'"'-heptyl-2-octadecen-succinimide, N'"'"'-octyl-2-octadecene-succinimide, N'"'"'-decyl-2-octadecene-succinimide, N'"'"'-dodecyl-2-octadecene-succinimide, N'"'"'-stearyl-2-octadecene-succinimide, N'"'"'-(ethyleneoxyethyleneoxymethane)-phthalimide, N'"'"'-(ethyleneoxyethyleneoxyethyleneoxymethane)-phthalimide, N'"'"'-(ethyleneoxyethyleneoxyethyleneoxyethyleneoxymethane)-phthalimide, N'"'"'-(propyleneoxypropyleneoxymethane)-phthalimide, N'"'"'-(propyleneoxypropyleneoxypropyleneoxymethane)-phthalimide, or N'"'"'-(propyleneoxypropyleneoxypropyleneoxypropyleneoxymethane)-phthalimide; and
(b) causing droplets of said ink to be ejected onto a recording sheet in an imagewise pattern at a temperature of from about 120°
C. to about 165°
C. - View Dependent Claims (13)
- C. to about 165°
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12. A process which comprises (a) providing an acoustic ink printer having a pool of liquid ink with a free surface, and a printhead including at least one droplet ejector for radiating the free surface of said ink with focused acoustic radiation to eject individual droplets of ink therefrom on demand, said radiation being directed to focus with a finite waist diameter in a focal plane, said ink comprising a colorant and a bisimide and which ink possesses a viscosity of from about 1 centipoise to about 10 centipoise at a temperature of from about 125°
- C. to about 165°
C., and bisamide is of the formula II ##STR7## wherein R'"'"' is an alkylene or polyalkyleneoxide, each with from about 2 to about 30 carbon atoms; and
X is an alkylene or an arylene; and
wherein said bisimide is N,N'"'"'-methylene bis-phthalimide, N,N'"'"'-ethylene bis-phthalimide, N,N'"'"'-propylene bis-phthalimide, N,N'"'"'-butylene bis-phthalimide, N,N'"'"'-hexylene bis-phthalimide, N,N'"'"'-heptylene bis-phthalimide, N,N'"'"'-octylene bis-phthalimide, N,N'"'"'-decylene bis-phthalimide, N,N'"'"'-dodecylene bis-phthalimide, N,N'"'"'-stearylene bis-phthalimide, N,N'"'"'-methylene bis-succinimide, N,N'"'"'-ethylene bis-succinimide, N,N'"'"'-propylene bis-succinimide, N,N'"'"'-butylene bis-succinimide, N,N'"'"'-hexylene bis-succinimide, N,N'"'"'-heptylene bis-succinimide, N,N'"'"'-octylene bis-succinimide, N,N'"'"'-decylene bis-succinimide, N,N'"'"'-dodecylene bis-succinimide, N,N'"'"'-stearylene bis-succinimide, N,N'"'"'-methylene bis(2,2'"'"'-octadecen-succinimide), N,N'"'"'-ethylene bis(2,2'"'"'-octadecen-succinimide), N,N'"'"'-propylene bis(2,2'"'"'-octadecen-succinimide), N,N'"'"'-butylene bis(2,2'"'"'-octadecen-succinimide), N,N'"'"'-hexylene bis(2,2'"'"'-octadecen-succinimide), N,N'"'"'-heptylene bis(2,2'"'"'-octadecen-succinimide), N,N'"'"'-octylene bis(2,2'"'"'-octadecene-succinimide), N,N'"'"'-decylene bis(2,2'"'"'-octadecene-succinimide), N,N'"'"'-dodecylene bis(2,2'"'"'-octadecene-succinimide), N,N'"'"'-stearylene bis(2,2'"'"'-octadecene-succinimide), N,N'"'"'-(ethyleneoxyethyleneoxyethylene)-bis-phthalimide, N,N'"'"'-(ethyleneoxyethyleneoxyethylene-oxyethylene)-bis-phthalimide, N,N'"'"'-(ethyleneoxyethyleneoxyethyleneoxyethylene-oxyethylene)-bis-phthalimide, N,N'"'"'-(propyleneoxypropyleneoxy-propylene)-bis-phthalimide, N,N'"'"'-(propyleneoxypropyleneoxypropylene-oxypropylene)-bis-phthalimide, or N,N'"'"'-(propyleneoxypropyleneoxy-propyleneoxypropyleneoxyethylene)-bis-phthalimide, and (b) causing droplets of said ink to be ejected onto a recording sheet in an imagewise pattern at a temperature of from about 120°
C. to about 165°
C. - View Dependent Claims (14)
- C. to about 165°
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20. An ink composition comprised of a colorant and a bisimide and which ink possesses a viscosity of from about 1 centipoise to about 10 centipoise at a temperature of from about 125°
- C. to about 165°
C., and which bisimide is of the following formula ##STR8## wherein R'"'"' is an alkylene hydrocarbon with from about 2 to about 30 carbon atoms, or a polyalkyleneoxide with from about 2 to about 30 carbon atoms; and
X is an arylene of from about 6 to about 24 carbon atoms, or an alkylene of from about 2 to about 10 carbon atoms.
- C. to about 165°
Specification