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Characterization study of polyAMPS@BMA core-shell particles using two types of RAFT agents Cover

Characterization study of polyAMPS@BMA core-shell particles using two types of RAFT agents

Materials Science-Poland
Volume 39 (2021): Issue 2 (June 2021)
By: ,  ,  ,   and    
Open Access
|Jul 2021
Figures & tables

Figures & Tables

Fig. 1

Structures of the as-prepared RAFT agents. RAFT, reversible addition-fragmentation chain-transfer.

Fig. 2

FTIR spectra of the as-prepared polyAMPSi and polyAMPSii. polyAMPS, poly(2-acrylamido-2-methylpropane sulfonic acid).

Fig. 3

FTIR spectra of the CS particles.

Fig. 4

Comparing TGA results of polyAMPS. polyAMPS, poly(2-acrylamido-2-methylpropane sulfonic acid).

Fig. 5

Comparative TGA results of CS particles.

Fig. 6

Comparing XRD results of polymeric CS particles. XRD, X-ray diffraction.

Fig. 7

EDX result of polymeric core-shell particles.

Fig. 8

SEM images (highlighting spherical particles and crystals) of CSi. SEM, scanning electron microscopy.

Fig. 9

SEM images (highlighting spherical particles and crystals) of CSii. SEM, scanning electron microscopy.

Fig. 10

Histograms of PSD of polymeric CS particles, where the histogram for CSi is on the left and for CSii is on the right. PSD, particle size distribution.

Fig. 11

Core-shell morphologies of obtained particles.

Comparative analysis of thermal degradation with respect to temperature_

Core-shell particlesTemperature (°C) with weight reduction
25%50%75%92%
CSi340368392446
CSii302333352374

Identifying characteristic peaks of CSi and CSii particles_

S. No.Wave number (cm−1)Functional groupBelonging moleculeReferences
1.1,633C=O
2.1,583N–H (bending)
3.1,364C–NpolyAMPS[25]
4.1,190 and 1,039O=S=O (asymmetric and symmetric stretching)
5.603C–S stretching
6.3,333Vibration of bonded and non-bonded OH groupsH2ODisperse medium
7.2,957Stretching CH
8.1,726C=O stretchingBMA[27]
9.1,240C–O–C stretching
DOI: https://doi.org/10.2478/msp-2021-0015 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
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Language: English
Page range: 200 - 208
Submitted on: May 19, 2021
Accepted on: Jun 24, 2021
Published on: Jul 25, 2021
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
RAFT agents,
effect of RAFT agents,
polyAMPS,
core-shell particles,
characterization
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2021 Nasrullah Shah, Zubair Ullah Khan, Manzoor Hussain, Touseef Rehan, Abbas Khan, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 39 (2021): Issue 2 (June 2021)
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