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US 7,371,887 B2Granted
Oligo(p-phenylene vinylene) amphiphiles and methods for self-assembly
AssigneeNorthwestern University
InventorsSamuel I. Stupp, James F. Hulvat, Marina Sofos, Keisuke Tajima
Life of this patent
Estimating the term…
Abstract
Amphiphilic oligo(p-phenylene vinylene) compounds and methods of use en route to self-assembled composites and device fabrication.
Claims25
A compound of a formula
- wherein Y and Z are independently selected from O, NH, C(O)O and C(O)NH, and X is selected from O and CH2;
- and wherein R1 and R2 are quaternary ammonium salt moieties where X is CH2 and at least one of Y and Z is not O;
- n is an integer ranging from 2 to about 50;
- m is an integer ranging from 2 to about 20;
- and p is an integer ranging from 1 to about 4.
2 more elements
A composition comprising a compound of a formula
- wherein Y and Z are independently selected from O, NH, C(O)O and C(O)NH, and X is selected from O and CH2;
- and wherein R1 and R2 are quaternary ammonium salt moieties where X is CH2 and at least one of Y and Z is not O;
- n is an integer ranging from 2 to about 50;
- m is an integer ranging from 2 to about 20;
- and p is an integer ranging from 1 to about 4.
2 more elements
A compound of formula
- wherein n is an integer ranging from 2 to about 50;
- m is an integer ranging from 2 to about 20;
- p is an integer ranging from 1 to about 4;
- and R1 and R2 are independently selected from H and alkyl moieties.
1 more element
A condensation product of an oligomeric silicate and a compound of a formula
- wherein m and n are integers independently ranging from 2 to about 20, R3 is independently selected from H and alkyl moieties;
- X is a counter ion;
- and p is an integer ranging from 1 to about 4.
A method of using amphiphilicity of an oligo(phenylene vinylene) to induce molecular structure, said method comprising:
- providing a compound of a formula
- wherein X is selected from O and CH2, and R1 and R2 are independently selected from H and alkyl moieties where X is O, and R1 and R2 are quaternary ammonium salt moieties where X is CH2, Y and Z are independently selected from O, NH, C(O)O and C(O)NH;
- n is an integer ranging from 2 to about 50;
- m is an integer ranging from 2 to about 20;
- and p is an integer ranging from 1 to about 4;
- contacting an amphiphilic component of said compound with a medium selected from a fluid and a silicate.
3 more elements
Dependencies are inferred from the claim text.