초록

Disclosed herein is a composition having: a polymer having a carbosilane or siloxane backbone and pendant hydrogen-bond acidic groups; and a filler material having polar groups. The polymer is not covalently bound to the filler material.

대표청구항 ▼

1. A composition comprising: a polymer comprising a carbosilane or siloxane backbone and pendant hydrogen-bond acidic groups; and a filler material comprising polar groups; wherein the polymer is not covalently bound to the filler material. 2. The composition of claim 1, wherein the pendant hydrogen

1. A composition comprising: a polymer comprising a carbosilane or siloxane backbone and pendant hydrogen-bond acidic groups; and a filler material comprising polar groups; wherein the polymer is not covalently bound to the filler material. 2. The composition of claim 1, wherein the pendant hydrogen-bond acidic groups are hexafluoroisopropanol groups. 3. The composition of claim 1, wherein the pendant hydrogen-bond acidic pendant groups are fluorinated phenolic groups. 4. The composition of claim 1, wherein the composition comprises no more than about 25 wt % of the filler. 5. The composition of claim 1; wherein the polymer is R′3Si—(CH2—SiR2)n—CH2—SiR′3;wherein n is a positive integer;wherein each R′ is —CH═CH—CH2—C(CF3)2OH; andwherein each R is R′ or 6. The composition of claim 1, wherein the filler is a nanostructured carbonaceous material. 7. The composition of claim 1, wherein the filler is oxidized carbon nanofibers. 8. The composition of claim 1, wherein the filler is oxidized carbon nanotubes. 9. The composition of claim 1, wherein the filler is nanodiamond. 10. The composition of claim 1, wherein the filler is silica. 11. The composition of claim 1, wherein the filler is graphene oxide. 12. The composition of claim 1, wherein the filler is titanium dioxide. 13. A film comprising the composition of claim 1. 14. The film of claim 13, wherein the film is a mesh-supported membrane. 15. The film of claim 13, wherein the film is on a flat substrate. 16. The film of claim 13, wherein the film is coated on a fiber. 17. The film of claim 10, wherein the film is coated inside a tube. 18. A device comprising: the film of claim 13; and a heater configured to heat the film. 19. A method comprising: exposing the film of claim 13 to a fluid sample suspected of containing an analyte;heating the film to produce an analyte vapor; andperforming an assay on the analyte vapor. 20. The method of claim 19, wherein the fluid sample is gaseous. 21. The method of claim 19, wherein the fluid sample is a liquid and further comprising: removing the film from the liquid sample to allow removal of liquid on the surface of the film. 22. The method of claim 19, wherein the assay is ion spectroscopy. 23. The method of claim 19, wherein the assay is gas chromatography. 24. The method of claim 19, wherein the analyte is a chemical agent. 25. The method of claim 19, wherein the analyte is an explosive or narcotic material. 26. The composition of claim 1, wherein the polymer is a carbosilane.