Effect of poly (acrylamide-co-acrylic acid salt) on anti-aging properties and adhesion between acrylonitrile butadiene rubber and polyester fabric

In this study, a multifunction polymeric adhesion promoter and anti-aging compound based on the triethanolamine salt of acrylamide acrylic acid copolymer (COS) was prepared and characterized using Fourier-transform infrared spectroscopy (FTIR). The impact of different COS contents on the tensile, ad...

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Bibliographic Details
Published in:Journal of polymer research 2023-03, Vol.30 (3), Article 119
Main Authors: Abdel‐Hakim, Ahmed, El‐Wakil, Abd El‐Aziz Arafa, Halim, Sawsan
Format: Article
Language:English
Subjects:
Acrylamide
Acrylic acid
Acrylonitrile
Adhesion
Aging
Amides
Butadiene
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Copolymers
Fourier transforms
Industrial Chemistry/Chemical Engineering
Infrared spectroscopy
Mechanical properties
Nitrile rubber
Original Paper
Peel strength
Permeability
Polymer Sciences
Rubber
Tensile strength
Textile fabrics
Thermal properties
Thermal stability
Thermodynamic properties
Triethanolamine
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Summary:In this study, a multifunction polymeric adhesion promoter and anti-aging compound based on the triethanolamine salt of acrylamide acrylic acid copolymer (COS) was prepared and characterized using Fourier-transform infrared spectroscopy (FTIR). The impact of different COS contents on the tensile, adhesion, and thermal properties of NBR composite and NBR/PET sandwich was evaluated. The NBR composites containing COS displayed good retention of their mechanical properties with increasing thermal ageing time, while the composite without COS showed a decrease in its mechanical properties. The highest tensile strength (17.5 MPa with a retention value of 0.6%) after 7 days of thermal aging was recorded for NBR composite, which contains 5 phr (parts per hundred parts of rubber) of COS (COS 5), compared to NBR composite without COS (COS 0), which recorded 15.1 MPa with a retention value of -27.4%. In addition, the COS 5 composite displayed an improvement in peel strength of 16.4% compared to the COS 0. The results of the thermogarvemetric analysis (TGA) supported the anti-thermal ageing effect of COS, where the initial decomposition temperature (Ti) value increased by 11.7 and 9.3 °C, after addition of 5 and 10 phr of COS to NBR composite, respectively. In addition, the other thermogravemetric parameters investigated displayed a significant increase in their values, which confirms the improvement in thermal stability of NBR composite in the presence of COS. Also, the air permeability of the PET/NBR sandwich decreased by 80% after the addition of 7.5 phr of COS.
ISSN:1022-9760
1572-8935
DOI:10.1007/s10965-023-03499-8