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Journal
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Chemistry
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专为分子回收而设计:一种褐宁衍生的半芳烃生物基聚合物
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Chemistry
Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer
Please note that all translations are automatically generated.
Click here for the English version.
专为分子回收而设计:一种褐宁衍生的半芳烃生物基聚合物
DOI:
10.3791/61975-v
•
10:22 min
•
November 30, 2020
•
Dennis Molendijk
,
Koen van Beurden
,
Jack van Schijndel
1
Research Group Green Chemistry
,
Avans University of Applied Science
Chapters
00:04
Introduction
01:15
Green Knoevenagel Condensation of Syringaldehyde Towards Sinapinic Acid with 5 Mol% Ammonium Bicarbonate
02:30
Hydrogenation of Sinapinic Acid Towards Dihydrosinapinic Acid with Nickel
03:45
Acetylation of Dihydrosinapinic Acid Towards Acetylated Monomers and Oligomers (prepolymer)
04:38
Polymerization of Acetylated Monomers and Oligomers
06:14
Representative Procedure for the Depolymerization of Poly-S in 1 M NaOH
07:26
Results: Step-growth Polycondensation of 4-Acetoxy-dihydrosinapinic Acid
09:36
Conclusion
Summary
Automatic Translation
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Automatic Translation
这里介绍了对循环材料经济采取闭环方法的一个例子。整个可持续循环由生物基半芳烃聚酯设计,通过聚合、去聚合,然后重新聚合,其产量或最终特性仅略有变化。
Tags
Molecular Recycling
Lignin-derived Polymer
Semi-aromatic Biobased Polymer
Knoevenagel Reaction
Sinapinic Acid
Nickel Catalyst
Hydrogen Gas
Chemical Recycling
Sustainable Polymer
Plastic Waste Prevention
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