A novel bio-based coating material prepared from modified acetoacetylated castor oil and diisocyanate

被引：17

作者：

Zhu, Yangyang ^{[1
]}

Gao, Fei ^{[1
]}

Wei, Xiao ^{[1
]}

Cheng, Qian ^{[1
]}

Zhao, Jinze ^{[1
]}

Cao, Zhiyuan ^{[1
]}

Cao, Jinsong ^{[1
]}

Zhong, Jiang ^{[1
]}

Lin, Cong ^{[1
]}

Shu, Jinbing ^{[1
]}

Shen, Liang ^{[1
]}

机构：

[1] Jiangxi Sci & Technol Normal Univ, Sch Chem & Chem Engn, Jiangxi Engn Lab Waterborne Coating, Nanchang 330013, Jiangxi, Peoples R China

来源：

PROGRESS IN ORGANIC COATINGS | 2020年 / 138卷

关键词：

Modified acetoacetylated castor oil; Diisocyanate; Ambient temperature; Shape memory; MICHAEL ADDITION-REACTIONS; POLYURETHANE COATINGS; DEGRADATION PROFILES; VEGETABLE-OILS; CURE; KNOEVENAGEL; POLYOLS; DESIGN;

D O I：

10.1016/j.porgcoat.2019.105397

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Modified acetoacetylated castor oil (MACO) was synthesised from castor oil. The MACO was highly functionalised with approximately nine acetoacetate functional groups per molecule. The functionalised MACO was crosslinked with three highly reactive diisocyanate crosslinkers to form different bio-based coating materials, which were then cured under various conditions to fabricate biobased films. Biobased films with good mechanical and chemical properties could be obtained by curing the coating materials at ambient temperature (25 degrees C). More importantly, the bio-based coating material prepared using 4,4'-diphenylmethane diisocyanate as the crosslinker exhibited good shape memory.

引用

页数：6

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