| Study on Optimum Film Forming Conditions of Natural Latex |
| Received:August 08, 2018 Revised:August 08, 2018 |
| DOI：10.12136/j.issn.1000-890X.2019.10.0767 |
| Key Words: natural latex；latex film；film forming condition；immersion time；temperature；solid mass fraction；thickness |
| Author Name | Affiliation | E-mail | | WANG Llili* | Qingdao University of Science and Technology | 17853246062@163.com | | WU Mingsheng | Qingdao University of Science and Technology | |
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| Abstract: |
| The natural latex film was prepared by direct immersion method. The effect of the immersion
time，the solid mass fraction and temperature of the latex and the temperature of the glass mold surface on
the thickness of latex film was investigated. The results showed that，with the increase of the latex immersion
time，the film thickness initially increased rapidly and then slowed down. It was found that the optimum
latex immersion time was 30 s. The film thickness was proportional to the solid mass fraction of the latex，
but the latex with the solid mass fraction of about 0. 5 was generally preferred in the actual production.
Film thickness increased first and then decreased with the increase of the latex temperature and glass mold
temperature. The optimum latex temperature for film formation was about 25 ℃，and the optimum glass mold
temperature was 45～50 ℃. |
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