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US 12,538,938 B2Granted
Materials for extracting toxins from tobacco
AssigneeMassachusetts Institute of Technology
InventorsTimothy Manning Swager, Ruqiang Lu
Life of this patent
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Abstract
Compositions configured to interact with organic molecules, and related articles and methods, are generally described.
Claims28
A composition, comprising:
- a polymer comprising a first component and a second component, wherein the first component and the second component are different, and wherein the first component comprises a selector configured to interact with an organic molecule,
- wherein the polymer comprises:
- the first component in an amount of at least 15 weight percent (wt. %) versus a total weight of the polymer;
- and
- the second component in an amount of at least 50 wt. % versus the total weight of the polymer, and
- wherein the first component comprises a calixarene moiety.
3 more elements
A composition, comprising:
- a polymer comprising a first component and a second component, wherein the first component and the second component are different, and wherein the first component comprises a selector configured to interact with an organic molecule,
- wherein the polymer comprises:
- the first component in an amount of at least 15 wt. % versus a total weight of the polymer;
- and
- the second component in an amount of at least 50 wt. % versus the total weight of the polymer, and
- wherein the second component comprises an oligomer.
3 more elements
A composition, comprising:
- a polymer comprising a first component and a second component, wherein the first component and the second component are different, and wherein the first component comprises a selector configured to interact with an organic molecule,
- wherein the polymer comprises:
- the first component in an amount of at least 15 wt. % versus a total weight of the polymer;
- and
- the second component in an amount of at least 50 wt. % versus the total weight of the polymer,
- wherein the first component and/or the second component comprises a structure that comprises cavities configured to host guest molecules, and
- wherein a free volume created by the cavities provides a solid material with a Brunauer, Emmett, and Teller (BET) surface area greater than or equal to 100 m2/g.
4 more elements
A composition, comprising:
- a polymer comprising a first component and a second component, wherein the first component and the second component are different, and wherein the first component comprises a selector configured to interact with an organic molecule,
- wherein the polymer comprises:
- the first component in an amount of at least 15 wt. % versus a total weight of the polymer;
- and
- the second component in an amount of at least 50 wt. % versus the total weight of the polymer, and
- wherein a molecular weight of the polymer is greater than or equal to 60 kDa.
3 more elements
A composition, comprising:
- a polymer comprising a first component and a second component, wherein the first component and the second component are different, and wherein the first component comprises a selector configured to interact with an organic molecule,
- wherein the polymer comprises:
- the first component in an amount of at least 15 wt. % versus a total weight of the polymer;
- and
- the second component in an amount of at least 50 wt. % versus the total weight of the polymer, and
- wherein the polymer has a weight loss less than 5% as a result of thermal decomposition at 250° C.
3 more elements
A composition, comprising:
- a polymer comprising a first component and a second component, wherein the first component and the second component are different, and wherein the first component comprises a selector configured to interact with an organic molecule,
- wherein the polymer comprises:
- the first component in an amount of at least 15 wt. % versus a total weight of the polymer;
- and
- the second component in an amount of at least 50 wt. % versus the total weight of the polymer, and
- wherein an adsorption capacity of the composition towards the organic molecule is at least 200 mg of the organic molecule per gram of the polymer.
3 more elements
An article, comprising:
- a substrate, and
- a composition disposed on the substrate, wherein the composition comprises a polymer comprising a first component and a second component, wherein the first component and the second component are different, and wherein the first component comprises a selector configured to interact with an organic molecule,
- wherein an adsorption capacity of the composition towards the organic molecule is at least 200 mg of the organic molecule per gram of the polymer.
Dependencies are inferred from the claim text.