Terpolymer resin VIII: Chelation ion‐exchange properties of 2,4‐dihydroxybenzophenone‐oxamide‐formaldehyde terpolymer resins

Butoliya, Suraj S.; Zade, Anil B.; Gurnule, Wasudeo B.

doi:10.1002/app.29769

Cited by 14 publications

(5 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Thus, results of such type of study are helpful in selecting the optimum pH for the selective uptake of particular metal cation from a mixture of different metal ions (39,40). From the result it appears that optimum pH 6.5 is required for the separation of Cu +2 and Co +2 with distribution ratio 'D' having 1415.2 and 689.1 respectively using p-NP-TETA-F-I terpolymer resins as an ion-exchanger.…”

Section: Distribution Ratios Of Metal Ions At Different Phmentioning

confidence: 98%

Sorption Studies of Terpolymers Based onp-Nitrophenol, Triethylenetetramine, and Formaldehyde

Kalbende

Zade

2015

Separation Science and Technology

View full text Add to dashboard Cite

Terpolymer resins have been synthesized by condensation of p-nitrophenol, triethylenetetramine and formaldehyde in presence of 2M NaOH as a catalyst with different molar proportions of monomers. Newly synthesized terpolymers were proved to be selective chelation ion-exchangers for metal ions like Fe 3+ , Cu 2+ , Ni 2+ , Co 2+ , Zn 2+ , Cd 2+ , Hg 2+ and Pb 2+ . A batch equilibrium study was carried out over a wide pH range, shaking time and in media of various ionic strengths of different electrolytes and shows higher selectivity for Hg 2+ , Cd 2+ and Pb 2+ . Distribution ratios of metal ions were found to be increased by increasing pH of solutions; hence the resins can be used to recover certain metals from waste solutions and removal of iron from boiler water.

show abstract

Section: Distribution Ratios Of Metal Ions At Different Phmentioning

confidence: 98%

Sorption Studies of Terpolymers Based onp-Nitrophenol, Triethylenetetramine, and Formaldehyde

Kalbende

Zade

2015

Separation Science and Technology

View full text Add to dashboard Cite

show abstract

“…The order of activation energies for SBR-nano aluminum oxide nanocomposites were parallel to the order of their thermal stability. The order of reaction (n) of SBRnano aluminum oxide composite was 0.40 [38][39][40][41][42][43][44][45][46][47][48][49] . From the above results, it is quite clear that the decomposition reaction does not obey the exact first order kinetics.…”

Section: Thermal Degradation Studiesmentioning

confidence: 99%

Environmental, Thermal, and Mechanical Studies of SBR-Nano Aluminum Oxide Composites

Gurnule,

Dubey,

Bhagat

et al. 2022

J Mod Nanotechnol

View full text Add to dashboard Cite

Objective: The present study looked at the abrasion characteristics of two-part matrix nanocomposites made of styrene butadiene rubber (SBR) and nano aluminium oxide. The wear characteristics of various forms of polymeric matrix have been sporadically studied. In the present investigation, our main aim was to synthesize rubber/nano aluminium oxide nanocomposites as possible materials in industrial applications and to evaluate environmental, thermal and mechanical properties of the composite. Methods:The formulations of the styrene-butadiene rubber compounds were reinforced with aluminum oxide nanoparticles. Mixing was performed at room temperature using two-roll mixing mill with a rotor friction ratio of 1:1.25. After the coagulation of rubber composites, rubber matrix was washed with water and dried at 70°C. SBR-nanocomposite was synthesized by emulsion polymerization method.Results: Elemental analysis results were in good agreement with the calculated values. The increased crosslink density, which resulted in increased hardness and modulus ultimately, produced the enhancement of abrasion resistance. The abrasion resistance is an essential property for the application of tire and belt. The properties were enhanced because of the higher polymer filler interactions than filler-filler interactions. The functional groups were incorporated into the polymer, and the stress is much more efficiently transferred from the polymer matrix to the inorganic filler, resulting in an increase in tensile properties. The enhanced degree of filler-polymer interaction is known for its ability to restrict the swelling ratio. The order of activation energies for SBR-nano aluminum oxide nanocomposites was parallel to the order of their thermal stability. The order of reaction (n) of SBR-nano aluminum oxide composite was 0.40. Conclusion:All the nanocomposites are potential candidates to prepare SBR rubber hybrid composites.

show abstract

“…Fairly good straight-line plots are obtained using the two methods. This is expected since the decomposition of terpolymer is known not to obey first order kinetics perfectly 7,9,17 .…”

Section: Thermoanalytical Datamentioning

confidence: 99%

“…The Freeman-Carroll and Sharp-Wentworth methods have been used to calculate thermal activation energy and thermal stability. In an earlier communication a large number of copolymers were synthesized from substituted phenols and acids with formaldehyde [8][9][10] . However, no work has been carried out on the synthesis, characterization and thermal degradation studies of the copolymer from 2,4-dihydroxybenzoic acid, melamine and formaldehyde.…”

Section: Introductionmentioning

confidence: 99%

Study of Non‐Isothermal Decomposition and Kinetic Analysis of 2,4‐Dihydroxybenzoic Acid‐ Melamine‐Formaldehyde Copolymer

Butoliya¹,

Gurnule²,

Zade³

2010

Journal of Chemistry

View full text Add to dashboard Cite

A copolymer (2,4-DHBAMF) synthesized by the condensation of 2,4-dihydroxybenzoic acid and melamine with formaldehyde in the presence of acid catalyst using varied molar proportions of the reactants. A composition of the copolymer has been determined by elemental analysis. The number average molecular weight has been determined by conductometric titration in non-aqueous medium. The copolymer has been characterized by UV-Visible, IR and1H NMR spectral analysis. Thermogravimetric analysis was carried out to study the decomposition and various kinetic parameters. Freeman Carroll and Sharp Wentworth methods have been applied for the calculation of kinetic parameters while the data from Freeman Carroll method have been used to determine various thermodynamic parameters such as order of reaction, energy of activation, frequency factor, entropy change, free energy change and apparent entropy change. The results indicate that given copolymer have potential as matrix resin for long term applications at temperature up to 350°C.

show abstract

Terpolymer resin VIII: Chelation ion‐exchange properties of 2,4‐dihydroxybenzophenone‐oxamide‐formaldehyde terpolymer resins

Cited by 14 publications

References 12 publications

Sorption Studies of Terpolymers Based onp-Nitrophenol, Triethylenetetramine, and Formaldehyde

Sorption Studies of Terpolymers Based onp-Nitrophenol, Triethylenetetramine, and Formaldehyde

Environmental, Thermal, and Mechanical Studies of SBR-Nano Aluminum Oxide Composites

Study of Non‐Isothermal Decomposition and Kinetic Analysis of 2,4‐Dihydroxybenzoic Acid‐ Melamine‐Formaldehyde Copolymer

Contact Info

Product

Resources

About