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A silicone-modified fluoropolymer is formed by first dissolving a fluoropolymer in an organic solvent, the fluoropolymer having at least one monomer of vinylidene fluoride coupled to a hexafluoropropylene monomer unit, and subsequently reacting the mixture with an amino silane coupling agent to form

A silicone-modified fluoropolymer is formed by first dissolving a fluoropolymer in an organic solvent, the fluoropolymer having at least one monomer of vinylidene fluoride coupled to a hexafluoropropylene monomer unit, and subsequently reacting the mixture with an amino silane coupling agent to form an aminosilane-modified fluoropolymer. The aminosilane fluoropolymer is subsequently heated and partially condensed with an oligomer of a silane compound including alkoxy silane. The resultant composition is suitable for use as a low refractive index layer in an antireflection coating on an optical substrate.

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What is claimed is: 1. A silicone modified fluoropolymer composition useful as low refractive index antireflection coating layer, the composition comprising the reaction product of: a fluoropolymer having at least one hexafluoropropylene monomer unit coupled to a vinylidene fluoride monomer unit; a

What is claimed is: 1. A silicone modified fluoropolymer composition useful as low refractive index antireflection coating layer, the composition comprising the reaction product of: a fluoropolymer having at least one hexafluoropropylene monomer unit coupled to a vinylidene fluoride monomer unit; an amino silane coupling agent reacted with said one of said at least one vinylidene fluoride monomer unit; and an oligomer of a silicone alkoxy resin partially condensed with said amino silane coupling agent, wherein said oligomer of said silicone alkoxy resin comprises a mixture of a fluoroalkyl-trimethoxy silane resin and a tetraalkoxy silane resin. 2. The composition of claim 1, wherein a portion of Ri comprises an acetyl group. 3. The composition of claim 1, wherein said fluoropolymer is selected from the group consisting of THV and FKM. 4. The composition of claim 1, wherein said amino silane coupling agent comprises an aminoalkoxysilane coupling agent. 5. The composition of claim 4, wherein said aminoalkoxysilane coupling agent comprises 3-aminopropyl methoxy silane. 6. The composition of claim 1, wherein the weight ratio of said tetraalkoxy silane resin to said fluoroalkyl-trimethoxy silane resin in said mixture is between about 2:1 and 3:1. 7. The composition of claim 1 further comprising a stabilizing agent. 8. The composition of claim 7, wherein said stabilizing agent comprises dibutyltin dilaurate. 9. The composition of claim 1 further comprising a plurality of inorganic particles having an average particle size of between about 5 and 100 nanometers. 10. The composition of claim 9, wherein said plurality of inorganic particles comprise a plurality of surface modified inorganic particles having an average particle size of between about 5 and 100 nanometers. 11. An article having an optical display, the optical display comprising: (a) an optical substrate; and (b) an antireflection coating coupled to said optical substrate, said antireflection coating comprising a high refractive index layer and a low refractive index layer, wherein said low refractive index layer is formed from a low refractive index composition, said low refractive index composition comprising the reaction product of: a fluoropolymer having at least one hexafluoropropylene monomer unit coupled to a vinylidene fluoride monomer unit; an aminosilane coupling agent reacted with said one of said at least one vinylidene fluoride monomer unit; and an oligomer of a silicone alkoxy resin partially condensed with said amino silane coupling agent, wherein said oligomer of said silicone alkoxy resin comprises: Si--(OR1 )mR2n wherein m is a whole number between 1 and 4 and n is a whole number between 0 and 3 such that m+n=4; and wherein R1 and R2 are alkyl groups. 12. The optical display of claim 11, wherein a portion of R1 comprises an acetyl group. 13. The optical display of claim 11, wherein said fluoropolymer is selected from the group consisting of THV and FKM. 14. The optical display of claim 11 further comprising a plurality of inorganic particles having an average particle size of between about 5 and 100 nanometers. 15. The optical display of claim 14, wherein said plurality of inorganic particles comprise a plurality of surface modified inorganic particles having an average particle size of between about 5 and 100 nanometers.