| Qualitative Analysis of Bright Layer Film inside Seal Technology Tire |
| Received:December 31, 2019 Revised:December 31, 2019 |
| DOI：10.12136/j.issn.1000-890X.2021.04.0309 |
| Key Words: Seal technology tire；bright layer film；polycaprolactam；sealant；FTIR spectroscopy；qualitative analysis |
| Author Name | Affiliation | E-mail | | YUN Min* | Beijing Research and Design Institute of Rubber Industry Co.，Ltd | nicoleyuemin@126.com | | LIU Yuhuan | Beijing Research and Design Institute of Rubber Industry Co.，Ltd | |
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| Abstract: |
| Abstract：When a sharp foreign matter with a diameter of no more than 5 mm penetrated into the tread
of Seal technology tires，it would be wrapped by a special sealant on the carcass. The special sealant was
sticky，and it was sprayed on a special transparent and bright protective film. The bright film layer could
protect the special sealant and prevent it from adhering to the tire materials，and as well make the molding
and lamination easy to operate. Fourier transform infrared（FTIR） spectrum analysis showed that the bright
film layer was made of polycaprolactam. |
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