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

Nasrullah Shah

Nasrullah Shah

Department of Chemistry, Abdul Wali Khan University MardanMardan, Pakistan
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Shah, Nasrullah
, 
Zubair Ullah Khan

Zubair Ullah Khan

Department of Chemistry, Abdul Wali Khan University MardanMardan, Pakistan
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Khan, Zubair Ullah
, 
Manzoor Hussain

Manzoor Hussain

Department of Chemistry, Abdul Wali Khan University MardanMardan, Pakistan
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Hussain, Manzoor
, 
Touseef Rehan

Touseef Rehan

Department of Biochemistry, Shaheed Benazir Bhutto Women UniversityPeshawar, Pakistan
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Rehan, Touseef
 oraz 
Abbas Khan

Abbas Khan

Department of Chemistry, Abdul Wali Khan University MardanMardan, Pakistan
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Khan, Abbas
  
25 lip 2021
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Data publikacji: 25 lip 2021
Zakres stron: 200 - 208
Otrzymano: 19 maj 2021
Przyjęty: 24 cze 2021
DOI: https://doi.org/10.2478/msp-2021-0015
Słowa kluczowe
© 2021 Nasrullah Shah et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

Structures of the as-prepared RAFT agents. RAFT, reversible addition-fragmentation chain-transfer.
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).
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.
FTIR spectra of the CS particles.

Fig. 4

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

Fig. 5

Comparative TGA results of CS particles.
Comparative TGA results of CS particles.

Fig. 6

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

Fig. 7

EDX result of polymeric core-shell particles.
EDX result of polymeric core-shell particles.

Fig. 8

SEM images (highlighting spherical particles and crystals) of CSi. SEM, scanning electron microscopy.
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.
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.
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.
Core-shell morphologies of obtained particles.

Comparative analysis of thermal degradation with respect to temperature_

Core-shell particles Temperature (°C) with weight reduction
25% 50% 75% 92%
CSi 340 368 392 446
CSii 302 333 352 374

Identifying characteristic peaks of CSi and CSii particles_

S. No. Wave number (cm−1) Functional group Belonging molecule References
1. 1,633 C=O
2. 1,583 N–H (bending)
3. 1,364 C–N polyAMPS [25]
4. 1,190 and 1,039 O=S=O (asymmetric and symmetric stretching)
5. 603 C–S stretching
6. 3,333 Vibration of bonded and non-bonded OH groups H2O Disperse medium
7. 2,957 Stretching CH
8. 1,726 C=O stretching BMA [27]
9. 1,240 C–O–C stretching
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Nauka o materiałach, Nauka o materiałach, inne, Nanomateriały, Funkcjonalne i inteligentne materiały, Charakterystyka i właściwości materiałów
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