Nano-molecular sieve-polymer mixed matrix membranes with...

Details Nano-molecular sieve-polymer mixed matrix membranes with... Nano-molecular sieve-polymer mixed matrix membranes with...

2011-03-01

2011-03-01

Mulcahy, Peter D. (Department: 1764)

Coating processes

Foraminous product produced

Filter, sponge, or foam

C427S216000, C427S271000, C427S273000, C427S535000, C096S004000

Reexamination Certificate

active

07897207

ABSTRACT:
Nano-molecular sieve-polymer mixed matrix membranes (MMMs) for CO2removal from natural gas have been prepared by incorporating dispersible template-free nano-molecular sieves into polymer matrices such as Matrimid 5218 polyimide matrix or Ultem 1000 polyetherimide matrix. The nano-molecular sieves used in this invention include template-free nano-AlPO-18, nano-AlPO-5, nano-Silicalite, nano-SAPO-34, and PEG-functionalized nano-Silicalite. These template-free nano-molecular sieves were synthesized by an organic ligand grafting method.

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