Silica applied as mixed matrix membrane inorganic filler for gas separation: a review

Table 1 Non-porous silica for mixed matrix membranes (MMMs) fabrication

Commercial name	Surface area (m² g^− 1)	Particle size (nm)	Density (g cm^− 3)	Incorporated polymer	Ref
Cabosil TS 530^*)	205–245	11.1–13.3	2.2	PIM-1	[19]
Aerosil R106	–	7	–	PSf	[25]
Aerosil R202^*	80–120	5–50	–	PDMS	[23]
Aerosil	–	6;17	–	PEBAX	[18]
Aerosil	45–55	40	–	PEBAX	[20]
Fumed silica	200	20	–	PDMS	[21]
Fumed silica	390	7	–	PVDF, P84 co-polyimide	[5, 24]
Fumed silica	340–430	7	–	PVA	[29]
Fumed silica	200	–	2.2	PU	[44]
Fumed silica	–	7	2.81	PEBAX	[14, 45]
Fumed silica	200	8	2.2	PU	[46]
Fumed silica	412	40–60 (10³)	–	PVDF	[47]

PIM-1 soluble type of polymers of intrinsic microporosity, PSf polysulfone, PDMS polydimethylsiloxane, PEI polyethyleneimine, PVA polyvinyl alcohol, PU polyurethane, PEBAX polyether block amide, PVDF polyvinylidene fluoride, P84 co-polyimide BTDA-TDI/MDI co-polyimide, (−) not mentioned

ISSN: 2468-2039