Process, properties, and applications of graft copolymers
View Patent ↗Fluorinated macromonomers, a PCTFE-g-poly(M) graft copolymer, and moisture barrier films and articles formed therefrom are provided. The PCTFE-g-poly(M) graft copolymers have a PCTFE backbone component and a plurality of pendant groups attached to the PCTFE backbone component.
1. A poly-chlorotrifluoroethylene (PCTFE) graft copolymer having a PCTFE backbone component and a plurality of polymeric pendant groups poly(M) attached to said PCTFE backbone component (PCTFE-g-poly(M)), wherein M is a monomeric unit of the polymeric pendant groups, and
wherein the monomeric unit M comprises chlorotrifluoroethylene and the polymeric pendant groups poly(M) comprise PCTFE.
2. The PCTFE-g-poly(M) graft copolymer of claim 1 comprising from about 2 to about 20 pendant groups attached to the PCTFE backbone component.
3. A film formed from the PCTFE-g-poly(M) graft copolymer of claim 1 .
4. An article comprising the film of claim 3 .
5. The PCTFE-g-poly(M) graft copolymer of claim 1 wherein the PCTFE backbone component comprises one or more four-carbon chain units.
6. The PCTFE-g-poly(M) graft copolymer of claim 1 wherein the PCTFE backbone component comprises at least two four-carbon chain units.
7. The PCTFE-g-poly(M) graft copolymer of claim 1 wherein the PCTFE backbone component comprises at least three four-carbon chain units.
8. A poly-chlorotrifluoroethylene (PCTFE) graft copolymer having a PCTFE backbone component and a plurality of polymeric pendant groups poly(M) attached to said PCTFE backbone component (PCTFE-g-poly(M)), wherein M is a monomeric unit of the polymeric pendant groups, and
wherein the monomeric unit M comprises vinylidenefluoride (VDF) and the polymeric pendant groups poly(M) comprise poly-vinylidenefluoride (PVDF).
9. The PCTFE-g-poly(M) graft copolymer of claim 8 comprising from about 2 to about 20 pendant groups attached to the PCTFE backbone component.
10. A film formed from the PCTFE-g-poly(M) graft copolymer of claim 8 .
11. An article comprising the film of claim 10 .
12. The PCTFE-g-poly(M) graft copolymer of claim 8 wherein the PCTFE backbone component comprises one or more four-carbon chain units.
13. The PCTFE-g-poly(M) graft copolymer of claim 8 wherein the PCTFE backbone component comprises at least two four-carbon chain units.
14. The PCTFE-g-poly(M) graft copolymer of claim 8 wherein the PCTFE backbone component comprises at least three four-carbon chain units.
15. A poly-chlorotrifluoroethylene (PCTFE) graft copolymer having a PCTFE backbone component and a plurality of polymeric pendant groups poly(M) attached to said PCTFE backbone component (PCTFE-g-poly(M)), wherein M is a monomeric unit of the polymeric pendant groups, and
wherein the monomeric unit M comprises 4-bromo-3-chloro-3,4,4-trifluoro-1-butene (BCTFB) and the polymeric pendant groups poly(M) comprise poly-(4-bromo-3-chloro-3,4,4-trifluoro-1-butene) (poly-BCTFB).
16. The PCTFE-g-poly(M) graft copolymer of claim 15 comprising from about 2 to about 20 pendant groups attached to the PCTFE backbone component.
17. A film formed from the PCTFE-g-poly(M) graft copolymer of claim 15 .
18. An article comprising the film of claim 17 .
19. The PCTFE-g-poly(M) graft copolymer of claim 15 wherein the PCTFE backbone component comprises one or more four-carbon chain units.
20. The PCTFE-g-poly(M) graft copolymer of claim 15 wherein the PCTFE backbone component comprises at least two four-carbon chain units.