| Effect of Environment-friendly Plasticizer on Properties of Carboxylated ACM |
| Received:February 15, 2022 Revised:April 08, 2022 |
| DOI：10.12136/j.issn.1000-890X.2023.05.0365 |
| Key Words: carboxylated ACM；plasticizer；oil resistance；brittleness temperature |
| Author Name | Affiliation | E-mail | | YANG Xingbing* | 1.Sichuan University of Arts and Science；2.Sichuan Provincial Key Laboratory of Automotive Special Polymer Materials Engineering | yxb19830528@163.com | | HUANG Shun | Dawnfluo Rubber Technology Co.，Ltd | | | WANG Ning | Dawnfluo Rubber Technology Co.，Ltd | | | ZHAO Yihua | Dawnfluo Rubber Technology Co.，Ltd | | | LEI Ting | Sichuan University of Arts and Science | | | JIANG Lei | Sichuan University of Arts and Science | |
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| Abstract: |
| The effects of four plasticizers（RS107，RS735，TP95 and TP759） on the properties of
carboxylated acrylate rubber（ACM） were studied. The results showed that，the addition of plasticizer could
significantly improve the processability of the carboxylated ACM compound，and the vulcanization was
delayed. When the plasticizer dosages were the same，the effects of the four plasticizers on the physical
properties of the vulcanizates were similar，and the volume change rates of the vulcanizates after immersion
in 1# oil had little difference. With the increase of the plasticizer dosage，the hardness and tensile strength
of the vulcanizate decreased，the elongation at break and compression set increased，the change rates of the
tensile strength and elongation at break after hot air aging both increased，the volume change after immersion
in 1# oil increased，the volume change after immersion in 3# oil decreased，and the brittleness temperature
decreased. Plasticizer RS735 and TP759 were more suitable for use in oil and high temperature conditions
because of the excellent hot air aging resistance of their vulcanizates. |
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