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Trends in the Diels-Alder reaction in polymer chemistry
REVERSIBLE CLICK CHEMISTRY FREE-RADICAL POLYMERIZATION CROSS-LINKED POLYAMIDES HIGH-PERFORMANCE ACRYLIC-ACID ROOM-TEMPERATURE MALEIC-ANHYDRIDE LEVOPIMARIC ACID BUILDING-BLOCK MUCONIC ACID
2023/12/4
The Diels-Alder (DA) reaction is regarded as quite a useful strategy in organic and macromolecular syntheses. The reversibility of this reaction and the advent of self-repair technology, as well as ot...
Limitations of Diels-Alder Dynamic Covalent Networks as Thermal Conductivity Switches
thermal conductivity thermal switching dynamic covalent networks RAFT polymerization Diels-Alder cross-linking
2023/12/1
Creating polymers that exhibit a switchable thermal conductivity requires a fundamental understanding of how polymer structure and inter- and intramolecular interactions influence thermal transport. T...
月桂烯与对苯醌的Diels-Alder反应研究
Diels-Alder反应 月桂烯 对苯醌
2012/8/3
研究了月桂烯与对苯醌的Diels-Alder反应,采用熔点测定、元素分析、红外光谱和1HNMR等手段对产物进行了鉴定,确证产物为5,5-二甲基-5,6,7,8,9,10-六氢蒽-1,4-二酚。对产物进行了高效液相色谱分析,产物纯度达到99.0%。探讨了催化剂种类、催化剂用量、反应温度、反应时间和反应物物质的量比对产物收率的影响,得到适宜的工艺条件为n(月桂烯):n(对苯醌)1.2:1,催化剂三氟化...
工业脂肪酸和松香Diels-Alder反应合成复合二聚酸
松香 工业脂肪酸 Diels-Alder反应 二聚酸
2012/8/4
以工业脂肪酸和松香为原料,经Diels-Alder反应合成一种复合二聚酸。采用凝胶色谱法测定了产物的单体、二聚体和三聚体的含量,探讨了不同反应条件对产物组成和性质的影响。结果表明:采用自制的催化剂体系,催化剂用量(以体系质量计)1%,松香质量分数5%,反应时间5h,反应温度240℃,反应压力0.5MPa的条件下,产物中二聚体达到51.03%,加成产物40℃的黏度为320mPa·s、酸值为193.9...