3016-76-0 | 4,4'-(Perfluoropropane-2,2-diyl)diphthalic acid

CAS:3016-76-0 | 4,4'-(Perfluoropropane-2,2-diyl)diphthalic acid ,Description

4,4'-(Perfluoropropane-2,2-diyl)diphthalic acid, also known as PFPD, is a synthetic fluorinated compound that has been studied for its potential applications in various scientific fields. PFPD is a dicarboxylic acid that is composed of two repeating units of perfluoropropane-2,2-diyl, which is a perfluorinated hydrocarbon. It is known for its unique properties, such as its high thermal stability, low solubility in water, and its ability to form strong hydrogen bonds. Its unique properties have made it a popular choice for many scientific research applications, such as in the fields of biochemistry, physiology, and pharmacology. 
 

Scientific Research Applications

Coordination Framework Materials

A study involving the synthesis of coordination compounds using Cu-4,4′-(perfluoropropane-2,2-diyl)diphthalic acid demonstrated significant hydrogen adsorption capacities. These complexes, synthesized using Cu(OH)2 and CuSO4, exhibited high stability and hydrogen sorption properties, indicating their potential for hydrogen storage applications (Spassov et al., 2008).

Coordination Polymers

Research on coordination polymers constructed from 4,4′-(hexafluoroisopropylidene)diphthalic acid and 1,1′-(1,4-butanediyl)bis(imidazole) has led to the synthesis of novel topological frameworks. These compounds have unique structures and exhibit interesting properties like thermogravimetric stability and photoluminescence, which are influenced by factors such as pH values and central metals (Zhang et al., 2010).

Polyimide Synthesis

Polyimides derived from 4,4′-((perfluoro-[1,1′-biphenyl]-4,4′-diyl)bis(oxy))bis(2,6-dimethylaniline) and 4,4′-(hexafluoroisopropylidene)diphthalic anhydride have been synthesized, demonstrating high optical transparency and thermal properties. These materials, with low refractive indices due to their high fluorine contents, are useful in applications requiring transparent materials with good thermal stability (Yeo et al., 2015).

Microporous Polyimides

Intrinsically microporous copolyimides synthesized using 4,4'-(hexafluoroisopropylidene) diphthalic anhydride have shown enhanced gas permeability and selectivity. These materials are notable for their applications in gas separation processes, particularly in the enhancement of CO2 permeability and selectivity (Ma et al., 2016).

Fluorinated Polyimide

Fluorinated polyimide synthesized using 4,4′-(Hexafluoroisopropylidene)diphthalic anhydride and 2,2-bis(3-amino-4-hydroxyphenyl) hexafluoropropane has been developed, demonstrating excellent thermal properties and solubility in organic solvents. Such properties suggest its applicability in high-temperature environments (He-zhou, 2012).

Optically Active Polyimides

Research on optically active linear polyimides and hyperbranched poly (amic acid-imide) using 4,4'-(hexafluoroisopropylidene)diphthalic anhydride has contributed to the development of materials with unique optical properties. These properties are analyzed through techniques like polarimetry and circular dichroism, indicating potential applications in optical devices (Sysel et al., 2022).

Proton Conducting Membranes

A study on fluorine-containing polyimide synthesized from 4,4′-(hexafluoroisopropylidene) diphthalic anhydride has led to the development of proton-conducting membranes. These membranes have shown promising applications in proton exchange membrane (PEM) fuel cells due to their excellent thermal and dimensional stabilities and suitable proton conductivity (Jiang et al., 2014).

Supramolecular Networks

The synthesis of a hydrogen-bonded supramolecular network containing 4,4'-(1,1,1,3,3,3-hexafluoroisopropylidene)diphthalic acid hexahydrate has revealed a unique three-dimensional network. This compound represents a novel example of a four-nodal supramolecular topology, important in the study of crystal engineering and supramolecular chemistry (Zhou et al., 2009).

Metal-Organic Frameworks (MOFs)

The development of zinc and cadmium metal-organic frameworks (MOFs) using 4,4'-(hexafluoroisopropylidene)diphthalate has led to the creation of structures with unique fluorite topology and high thermal stabilities. These MOFs have potential applications in areas such as gas storage and catalysis (Zou et al., 2007).

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