Liquid carboxylated nitrile butadiene rubber via metathetic degradation with acrylic acid as chain transfer agent

被引：0
|
作者：
Zhao, Lining [1 ]
Zhang, Ruochen [1 ]
Liu, Zhiqin [2 ]
Gao, Yan [2 ]
Chen, Dongping [2 ]
Wang, Fushan [2 ]
Liu, Peng [1 ]
机构：
[1] State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou,730000, China
[2] Lanzhou Petrochemical Corporation, China National Petroleum Corporation (CNPC), Lanzhou,730060, China
来源：
Journal of Molecular Liquids | 2024年 / 414卷
关键词：
Liquid carboxylated nitrile butadiene rubber (LXNBR) shows promising application in various fields. Facing the challenges in its preparation via radical emulsion copolymerization; such as gelation; molecular weight and carboxyl group content; novel approach has been developed for the controlled preparation of LXNBR via the metathetic degradation of nitrile butadiene rubber (NBR) with acrylic acid (AA) as chain transfer agent (CTA). Based on the molecular weight and carboxyl group content of the resultant products; the reaction pathway was proposed. Such understanding is expected to prepare LXNBR with designed Mn and carboxyl group content for various applications; by facile adjusting the reaction condition; mainly the feeding mode of AA; NBR concentration and reaction time. © 2024 Elsevier B.V;
D O I：
10.1016/j.molliq.2024.126185
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