Truxillic and truxinic acid-based, bio-derived diesters as potent internal donor in Ziegler-Natta catalyst for propylene polymerization

Truxillic and truxinic acid-based, bio-derived diesters as potent internal donor in Ziegler-Natta catalyst for propylene polymerization
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基于 Truxillic 和 truxinic 酸的生物衍生二酯作为丙烯聚合齐格勒-纳塔催化剂中的有效内给体

DOI:
10.1016/j.apcata.2018.01.030
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发表时间:
2018
期刊:
Applied Catalysis A: General
影响因子:
--
通讯作者:
Toshiaki Taniike
Toshiaki Taniike
中科院分区:
--
文献类型:
--
作者:
Akanksha Matta;Patchanee Chammingkwan;Brajendra K. Singh;Minoru Terano;Tatsuo Kaneko;Toshiaki Taniike

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本研究以α-松果酸和β-松果酸为基础,开发了新型生物衍生二酯作为内给体,用于制备Ziegler-Natta (ZN)催化剂。并与目前应用最广泛的第四代邻苯二甲酸二丁酯催化剂进行了比较,考察了生物源二酯对催化剂的化学组成、形态、吸附方式和丙烯聚合性能的影响。催化剂制备过程中保留了二酯的分子结构和催化剂的颗粒形态。生物衍生二酯为丙烯聚合提供了具有合理活性和立体特异性的ZN催化剂,并且具有与邻苯二甲酸酯基催化剂相似的宽分子量分布(MWD)。催化剂的另一个有希望的特点是,在加入H2后,MWD的膨胀反应相反。
In this study, novel α-truxillic and β-truxinic acid-based, bio-derived diesters have been developed as internal donors for preparing Ziegler-Natta (ZN) catalysts. Impacts of these bio-derived diesters were investigated on the chemical composition, the morphology, the mode of adsorption, and the propylene polymerization performance of the catalysts in comparison to the most widely used fourth-generation catalyst containing dibutyl phthalate. The molecular structures of the diesters and the particle morphology of the catalysts were preserved in the catalyst preparation. The bio-derived diesters afforded ZN catalysts with a reasonable activity and stereospecificity in propylene polymerization along with similarly broad molecular weight distribution (MWD) as the phthalate-based catalyst. Another promising feature of the catalysts was an opposite hydrogen response in terms of expansion of MWD upon the addition of H2.
由α-特鲁昔酸制备1,3-二氨基-2,4-二苯基环丁烷及相关化合物
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