| Study on Environment-friendly Dipping System of Aramid Cord Based on Plant Polyphenols/Polyamines and Its Interfacial Adhesion Mechanism |
| Received:November 05, 2021 Revised:November 05, 2021 |
| DOI：10.12136/j.issn.1000-890X.2022.09.0643 |
| Key Words: aramid cord；plant polyphenols；polyamines；environment-friendly dipping system；rubber； interface adhesion mechanism |
| Author Name | Affiliation | E-mail | | ZHANG Bo* | Beijing University of Chemical Technology | 575829428@qq.com | | WANG Wencai | Beijing University of Chemical Technology | | | TIAN Ming | Beijing University of Chemical Technology | | | ZHANG Liqun | Beijing University of Chemical Technology | |
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| Abstract: |
| A environment-friendly PTA dipping system（PTA dipping solution） of aramid cord based
on plant polyphenols/polyamines was studied，and the adhesion of the PTA dipped aramid cord and rubber
was compared with that of the resorcinol-formaldehyde-latex（RFL） dipping solution dipped aramid cord
and rubber. The attenuated total reflection Fourier transform infrared spectroscopy and X-ray photoelectron
spectroscopy analysis results showed that，butadiene pyridine latex was coated on the surface of aramid cord
after the impregnation with PTA dipping solution，and it contained C=C bonds that could participate in
rubber vulcanization. Besides，the dipping effect of aramid cord with PTA solution was good. The H pullout
force of the aramid cords from rubber was tested，and the H pull-out force of the aramid cord dipped with
the PTA dipping solution compared with that of the aramid cord dipped with the RFL dipping solution was
slightly high，before and after the heat aging. In addition，the retention rate of the H pull-out force after room
temperature parking was improved. The analysis results of scanning electron microscope showed that the
interface adhesion between the aramid cord dipped with the PTA dipping solution and rubber matrix was better. |
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