High performance epoxy coating with cross-linkable solvent via Diels-Alder reaction for anti-corrosion of concrete

2020 ◽  
Vol 139 ◽  
pp. 105473 ◽  
Author(s):  
Jinfeng Chi ◽  
Guoliang Zhang ◽  
Qingyi Xie ◽  
Chunfeng Ma ◽  
Guangzhao Zhang
2013 ◽  
Vol 634-638 ◽  
pp. 642-646 ◽  
Author(s):  
Sung Ho Park ◽  
Jun Seong Park ◽  
Tae Won Ko ◽  
Yong Sung Park ◽  
Je Wan Woo

Norbornene dicarboxylate was synthesized through esterification under titanium catalyst. The alcohols are 2-ethyl-1-hexanol, n-octanol, 3,5,5-trimethyl-1-hexanol, and n-decanol. The Structures of compounds were identified by 1H-NMR, and then components were identified by high performance liquid chromatography (HPLC). The yield and purity was over 90 % and 95 %, and color of compounds was colorless or light yellow. The maleate as a by-product was occured by the retro Diels-Alder reaction.


2021 ◽  
Author(s):  
Jiale Ye ◽  
Songqi Ma ◽  
Binbo Wang ◽  
Qingming Chen ◽  
Kaifeng Huang ◽  
...  

Ferulic acid-derived diepoxy was facilely synthesized and co-cross-linked with furfuryl alcohol monoepoxy accompanying the Diels–Alder reaction to achieve high-performance thermosets.


2020 ◽  
Vol 59 (44) ◽  
pp. 19602-19609 ◽  
Author(s):  
Haijun Peng ◽  
Jésus Raya ◽  
Fanny Richard ◽  
Walid Baaziz ◽  
Ovidiu Ersen ◽  
...  

Materials ◽  
2021 ◽  
Vol 14 (6) ◽  
pp. 1438 ◽  
Author(s):  
Przemysław Pączkowski ◽  
Barbara Gawdzik

A one-step swelling and polymerization technique was used in the synthesis of porous glycidyl methacrylate (GMA) and ethylene glycol dimethacrylate (EGDMA) monodisperse polymeric microspheres. The polystyrene (PS) seed obtained in the dispersion polymerization was used as a shape template. The presence of epoxide rings in the chemical structure of microspheres enables their post-polymerization chemical modifications involving: the Diels-Alder reaction with sodium cyclopentadienide and maleic anhydride, the reaction with 4,4′-(bismaleimido)diphenylmethane, and the thiol-Michael reaction with methacryloyl chloride and 2-mercaptopropionic acid. Changing the reaction mixture composition—the amounts of crosslinking monomer and PS seed as well as the type and concentration of porogen porous microspheres of different porous structures were obtained. Their porous structures were characterized in the dry and swollen states. The copolymers obtained from the equimolar monomers mixture modified in the above way were applied as the column packing materials and tested in the reverse-phase HPLC (High-Performance Liquid Chromatography). A few factors influencing morphology and porous structure of microspheres were studied.


AIChE Journal ◽  
2019 ◽  
Vol 66 (1) ◽  
Author(s):  
Lun Pan ◽  
Junjian Xie ◽  
Genkuo Nie ◽  
Zheng Li ◽  
Xiangwen Zhang ◽  
...  

2019 ◽  
Vol 1 (5) ◽  
pp. 944-952 ◽  
Author(s):  
Kaiju Luo ◽  
Guocheng Song ◽  
Yan Wang ◽  
Junrong Yu ◽  
Jing Zhu ◽  
...  

2019 ◽  
Vol 38 (3) ◽  
pp. 268-277 ◽  
Author(s):  
Kai-Ju Luo ◽  
Li-Bo Huang ◽  
Yan Wang ◽  
Jun-Rong Yu ◽  
Jing Zhu ◽  
...  

2020 ◽  
Vol 132 (44) ◽  
pp. 19770-19777 ◽  
Author(s):  
Haijun Peng ◽  
Jésus Raya ◽  
Fanny Richard ◽  
Walid Baaziz ◽  
Ovidiu Ersen ◽  
...  

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