Porous composite particulate materials, methods of making and using same, and related apparatuses
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-020/28
B01J-020/32
B01J-013/22
B01J-013/02
B01J-013/14
B01J-020/286
출원번호
US-0463899
(2009-05-11)
등록번호
US-9005436
(2015-04-14)
발명자
/ 주소
Linford, Matthew R
출원인 / 주소
Brigham Young University
대리인 / 주소
Dorsey & Whitney LLP
인용정보
피인용 횟수 :
3인용 특허 :
38
초록▼
In an embodiment, a porous composite particulate material includes a plurality of composite particles. Each composite particle includes an acid-base-resistant core particle at least partially surrounded by one or more layers of acid-base-resistant shell particles. The shell particles are adhered to
In an embodiment, a porous composite particulate material includes a plurality of composite particles. Each composite particle includes an acid-base-resistant core particle at least partially surrounded by one or more layers of acid-base-resistant shell particles. The shell particles are adhered to the core particle by a polymeric layer. The shell particles and/or core particles may be made from an acid-base-resistant material that is stable in harsh chemical conditions. For example, the shell particles and/or core particles may be made from diamond, graphitic carbon, silicon carbide, boron nitride, tungsten carbide, combinations of the foregoing, or other acid-base-resistant materials. The porous composite particulate materials disclosed herein and related methods and devices may be used in separation technologies, including, but not limited to, chromatography, and solid phase extraction.
대표청구항▼
1. A porous composite particulate material, comprising: a plurality of composite particles, each composite particle including, an acid-base-resistant core particle;a plurality of acid-base-resistant shell particles forming a plurality of porous shell layers at least partially about the acid-base-res
1. A porous composite particulate material, comprising: a plurality of composite particles, each composite particle including, an acid-base-resistant core particle;a plurality of acid-base-resistant shell particles forming a plurality of porous shell layers at least partially about the acid-base-resistant core particle, wherein the plurality of acid-base-resistant shell particles include at least one material selected from the group consisting of diamond and graphitic carbon; andan at least partially cross-linked polymer including at least one amine polymer and bonding the plurality of shell particles to the acid-base-resistant core particle, each of the plurality of porous shell layers being bonded to an adjacent one of the plurality of porous shell layers by a respective layer of the at least partially cross-linked polymer. 2. The porous composite particulate material as in claim 1, wherein the plurality of composite particles exhibits a particle size in a range from about 1 μm to about 10 μm and a surface area of at least about 25 m2/g. 3. The porous composite particulate material as in claim 1, wherein the plurality of composite particles exhibits a particle size in a range from about 10 μm to about 150 μm and a surface area of at least about 10 m2/g. 4. The porous composite particulate material as in claim 1, wherein the plurality of acid-base-resistant shell particles exhibits a particle size in a range from about 1 nm to about 1000 nm. 5. The porous composite particulate material as in claim 4, wherein the plurality of acid-base-resistant core particles exhibits a particle size in a range from about 1 μm to about 500 μm. 6. The porous composite particulate material as in claim 1, further comprising a layer of anionic polymer coated on at least a portion of the plurality of acid-base-resistant shell particles. 7. The porous composite particulate material as in claim 1, wherein the at least one amine polymer comprises poly(allylamine). 8. The porous composite particulate material as in claim 1, wherein the plurality of composite particles are bonded together. 9. The porous composite particulate material as in claim 1, wherein the plurality of composite particles is in powder form. 10. The porous composite particulate material as in claim 1, wherein the at least one material comprises diamond, and wherein the acid-base-resistant core particle of each composite particle comprises a diamond particle. 11. The porous composite particulate material as in claim 1, wherein the at least one material comprises nanodiamond, and wherein the acid-base-resistant core particle of each composite particle comprises a micro-sized diamond particle. 12. The porous composite particulate material as in claim 1, wherein the plurality of acid-base-resistant shell particles of each composite particle exhibits a particle size of about 10 nm to about 100 nm, and wherein the acid-base-resistant core particle of each composite particle comprises a micro-sized diamond particle exhibiting a particle size of about 1 μm to about 500 μm. 13. The porous composite particulate material as in claim 1, wherein the at least one material comprises diamond. 14. The porous composite particulate material as in claim 1, wherein the at least one material comprises graphitic carbon. 15. The porous composite particulate material as in claim 14, wherein the graphitic carbon comprises graphite. 16. A porous composite particulate material, comprising: a plurality of composite particles, each composite particle including, an acid-base-resistant diamond core particle;a plurality of acid-base-resistant diamond shell particles forming a plurality of porous shell layers at least partially about the acid-base-resistant diamond core particle; anda cross-linked polymer bonding the plurality of diamond shell particles to the acid-base-resistant diamond core particle, the cross-linked polymer comprising at least one amine polymer, each of the plurality of porous shell layers being bonded to an adjacent one of the plurality of porous shell layers by a respective layer of the cross-linked polymer. 17. A separation apparatus, comprising: a vessel having an inlet and an outlet; anda porous composite particulate material disposed within the vessel, the porous composite particulate material including, a plurality of composite particles, each composite particle including, an acid-base-resistant core particle;a plurality of acid-base-resistant shell particles forming a plurality of porous shell layers at least partially about the acid-base-resistant core particle, wherein the plurality of acid-base-resistant shell particles include at least one material selected from the group consisting of diamond and graphitic carbon; andan at least partially cross-linked polymer including at least one amine polymer and bonding the plurality of shell particles to the acid-base-resistant core particle, each of the plurality of porous shell layers being bonded to an adjacent one of the plurality of porous shell layers by a respective layer of the at least partially cross-linked polymer. 18. The separation apparatus as in claim 17, wherein the vessel is configured as a chromatography column.
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