US 12,221,353 B2
Platinum nanoparticle functionalized amine-modified fibrous hierarchical zeolite and method of making the same
Robert Peter Hodgkins, Dhahran (SA); Omer Refa Koseoglu, Dhahran (SA); Jean-Marie Maurice Basset, Thuwal (SA); Kuo-Wei Huang, Thuwal (SA); Anissa Bendjeriou Sedjerari, Thuwal (SA); Sathiyamoorthy Murugesan, Thuwal (SA); and Manoj Kumar Gangwar, Thuwal (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA); and King Abdullah University of Science and Tehcnology, Thuwal (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA); and King Abdullah University of Science and Technology, Thuwal (SA)
Filed on Aug. 26, 2021, as Appl. No. 17/412,697.
Prior Publication US 2023/0082855 A1, Mar. 16, 2023
Int. Cl. C08F 8/30 (2006.01); C01B 39/02 (2006.01); C01B 39/40 (2006.01); C07F 15/00 (2006.01); C07F 17/02 (2006.01)
CPC C01B 39/026 (2013.01) [C01B 39/40 (2013.01); C07F 15/0086 (2013.01); C07F 17/02 (2013.01); C01P 2002/85 (2013.01); C01P 2002/86 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A functionalized fibrous hierarchical zeolite comprising
a framework comprising aluminum atoms, silicon atoms, and oxygen atoms, the framework further comprising a plurality of micropores and a plurality of mesopores, wherein:
the framework is functionalized with at least one amine;
a plurality of nanoparticles comprising platinum are immobilized on the framework; and
a mesopore structure of the functionalized fibrous hierarchical zeolite comprises interconnected intra-crystalline mesopores; and
the functionalized fibrous hierarchical zeolite is produced by forming a mixture comprising a cationic polymer, wherein the cationic polymer comprises a structure according to:

OG Complex Work Unit Chemistry
where:
n is the total number of repeating monomers in the polymer;
* denotes a point of attachment to a monomer in the polymer;
X and Y are anions independently selected from Cl−, Br−, F−, I−, −OH, ½SO42−, ⅓PO43−, ½S2−, AlO2−, BF4−, SbF6−, and B[3,5-(CF3)2C6H3]4−;
A and B are independently selected from nitrogen and phosphorous;
R5 is a branched or unbranched hydrocarbon chain, optionally comprising one or more heteroatoms; and
R6, R7, R8, R9, R10, R11, R12, and R13 are independently selected from a hydrogen atom or a hydrocarbon optionally comprising one or more heteroatoms.