Induced polymer assemblies
AssigneeUniversity of Massachusetts
InventorsJames J. Watkins, Vikram K. Daga, Ying Lin
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Abstract
The invention provides compositions and methods for inducing and enhancing order and nanostructures in block copolymers and surfactants by certain nonpolymeric additives, such as nanoparticles having an inorganic core and organic functional groups capable of hydrogen bonding. Various compositions having lattice order and nanostructures have been made from a variety of copolymers or surfactants that are mixed with nonpolymeric additives. Particularly, a variety of nanoparticles with an inorganic core and organic functional groups have been discovered to be effective in introducing or enhancing the degree of orders and nanostructures in diverse block copolymers and surfactants.
Claims99
A composition comprising:
- a block copolymer wherein a block comprises a hydrogen bond donor or a hydrogen bond acceptor;
- and
- a non-polymeric additive comprising an inorganic core and one or more organic functional groups that comprise a hydrogen bond acceptor or a hydrogen bond donor,
- wherein the non-polymeric additive and the copolymer are associated by hydrogen bonds formed therebetween such that the resulting copolymer-additive composite exhibits a more ordered nanostructure.
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A composition comprising:
- a surfactant wherein a segment block comprises a hydrogen bond donor or a hydrogen bond acceptor;
- and
- a non-polymeric additive comprising an inorganic core and one or more organic functional groups that comprise either a hydrogen bond acceptor or a hydrogen bond donor,
- wherein the non-polymeric additive and the surfactant are associated by hydrogen bonds formed therebetween such that the surfactant-additive composite exhibits a more ordered nanostructure.
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An ordered copolymer blend composition with periodic nanostructures, the copolymer blend being obtained in bulk quantity from a composition comprising a block copolymer and a non-polymeric additive, wherein the non-polymeric additive comprising an inorganic core with a plurality of hydrogen bonding sites thereon capable of forming hydrogen bonding with the block copolymer.
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A method for introducing order into the morphology of a block copolymer composition, comprising:
- providing a block copolymer melt, wherein the block copolymer having functional groups capable of forming hydrogen bonds;
- and
- adding to the block copolymer melt a non-polymeric additive, the additive comprising an inorganic core and one or more functional groups thereon that form hydrogen bonds with the block copolymer.
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A composition comprising:
- a block copolymer wherein a block comprises a hydrogen bond donor or a hydrogen bond acceptor;
- and
- a fullerene compound or derivative functionalized with one or more hydrogen bond donor or acceptor groups,
- wherein the fullerene compound and the block copolymer are associated by hydrogen bonds formed therebetween so as to result in an ordered nanostructure.
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Dependencies are inferred from the claim text.