Application of porous structured organic films for gas storage
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-020/26
B01J-020/22
B01D-053/00
B01D-053/02
B01D-053/14
출원번호
US-0182047
(2011-07-13)
등록번호
US-8410016
(2013-04-02)
발명자
/ 주소
Cote, Adrien P.
Heuft, Matthew A.
출원인 / 주소
Xerox Corporation
대리인 / 주소
Oliff & Berridge, PLC
인용정보
피인용 횟수 :
2인용 특허 :
68
초록▼
A porous structured organic film for storing gaseous a gaseous entity and method for storing gaseous entities in a porous structured organic film, the porous structured organic film including a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein at a ma
A porous structured organic film for storing gaseous a gaseous entity and method for storing gaseous entities in a porous structured organic film, the porous structured organic film including a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein at a macroscopic level the covalent organic framework is a film and contains a plurality of sites accessible to one or more gaseous entity.
대표청구항▼
1. A method for storing a gaseous entity, the method comprising: contacting the gaseous entity with a sorbent material, the sorbent material comprising a porous structured organic film (SOF) comprising a plurality of segments including at least a first segment type and a plurality of linkers includi
1. A method for storing a gaseous entity, the method comprising: contacting the gaseous entity with a sorbent material, the sorbent material comprising a porous structured organic film (SOF) comprising a plurality of segments including at least a first segment type and a plurality of linkers including at least a first linker type arranged as a covalent organic framework (COF), and a plurality of pores, whereinthe first segment type and/or the first linker type comprises at least one atom that is not carbon, andthe plurality of pores comprises a plurality of accessible sites for uptake and storage of the gaseous entity; andstoring the gaseous entity for a predetermined duration. 2. The method of claim 1, wherein contacting the gaseous entity with a sorbent material further comprises concentrating the gaseous entity beyond the concentration observed for its natural compressibility. 3. The method of claim 2, wherein the gaseous chemical entity is present in the SOF at a concentration from about 1.1 times greater than the natural compressibility of the gaseous chemical entity to about the concentration of the gaseous chemical entity upon its liquification. 4. The method of claim 1, wherein predetermined duration is from about thirty seconds to about one year. 5. The method of claim 1, wherein the uptake and storage of the chemical entity are reversible. 6. The method of claim 1, wherein the SOF comprises a thermal stability range of at least up to 200° C. and/or a Langmuir surface area of from about 75 m2/g to about 3500 m2/g. 7. The method of claim 1, wherein the porous SOF is prepared by: (a) preparing a liquid-containing reaction mixture comprising: a plurality of molecular building blocks each comprising a segment and functional groups;(b) depositing the reaction mixture as a wet film;(c) promoting change of the wet film to form a dry SOF; and(d) activating the dry SOF by emptying the plurality pores and substantially removing any residual chemical species that remain after formation of the SOF. 8. The method of claim 1, wherein the porous SOF is functionalized. 9. The method of claim 1, the plurality of pores has a unimodal or multi-modal size distribution. 10. The method of claim 1, wherein the porous SOF is a capped SOF. 11. The method of claim 1, wherein the plurality of linkers are selected from the group consisting of single atom linkers, single covalent bond linkers, double covalent bond linkers, ester linkers, ketone linkers, amide linkers, amine linkers, imine linkers, ether linkers, urethane linkers, and carbonates linkers; and the plurality of segments have a core selected from the group consisting of carbon, nitrogen, silicon, or phosphorous atomic cores, alkyl cores, fluoroalkyl cores, alkoxy cores, aryl cores, carbonate cores, carbocyclic cores, carbobicyclic cores, carbotricyclic cores, and oligothiophene cores. 12. The method of claim 1, wherein the SOF is a multi-layer sheet. 13. The method of claim 12, wherein the multi-layer sheet is adapted to function as a storage material in a tank. 14. The method of claim 1, wherein the SOF is a single-layer sheet. 15. The method of claim 14, wherein the single-layer sheet is adapted to function as a storage material in a tank. 16. A method for storing a gaseous entity, the method comprising: contacting the gaseous entity with a sorbent material, the sorbent material comprising a porous structured organic film (SOF) comprising a plurality of segments including at least a first segment type and a plurality of linkers including at least a first linker type arranged as a covalent organic framework (COF), and a plurality of pores, wherein the gaseous chemical entity is present in the SOF at a concentration from about 1.1 times greater than the natural compressibility of the gaseous chemical entity to about the concentration of the gaseous chemical entity upon its liquification,the first segment type and/or the first linker type comprises at least one atom that is not carbon, andthe plurality of pores comprises a plurality of accessible sites for uptake and storage of the gaseous entity; andstoring the gaseous entity for a predetermined duration. 17. The method of claim 16, wherein predetermined duration is from about thirty seconds to about one year. 18. The method of claim 16, wherein the uptake and storage of the chemical entity are reversible. 19. The method of claim 16, wherein the SOF comprises a thermal stability range of at least up to 200° C. and/or a Langmuir surface area of from about 75 m2/g to about 3500 m2/g.
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이 특허에 인용된 특허 (68)
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