Influence of the chemical composition and formulation of fluorinated epoxy resin on its surface characteristics

被引：12
|
作者：
Minisini, Benoit [1 ,2 ,3 ]
Rolere, Sebastien [1 ,2 ,3 ]
Coulon, Jean-Francois [2 ]
Poncin-Epaillard, Fabienne [3 ]
机构：
[1] IRT Jules Verne, Chemin Chaffault, F-44340 Bouguenais, France
[2] ECAM Rennes Louis de Broglie, Campus Ker Lann, F-35170 Bruz, France
[3] Le Mans Univ, UMR CNRS 6283, IMMM, Ave Olivier Messiaen, F-72085 Le Mans, France
来源：
EUROPEAN POLYMER JOURNAL | 2019年 / 112卷
关键词：
Epoxy resin; Fluorination; Surface properties; Diffusion rate; Curing; CURE KINETICS; COATINGS; NETWORKS; BEHAVIOR; MECHANISMS; PROTECTION; OLIGOMERS; ADHESION; ACRYLATE; RAMAN;
D O I：
10.1016/j.eurpolymj.2019.01.035
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The incorporation of perfluorononanoic acid into epoxy resins was investigated in order to prepare a material with low adhesion properties (low free surface energies comprised between 15 and 26 mJ m(-2)). A laboratory grade tetrafunctional epoxy resin was fluorinated by direct reaction with the perfluorinated carboxylic acid. A bifunctional epoxy resin fluorinated beforehand was also added to the tetrafunctional epoxy resin. The fluorinated resins were analyzed by FTIR spectroscopy. Dynamic DSC experiments were performed for the resins in presence of a stoichiometric quantity of the curing agent. Results were compared with those obtained with a commercial grade of the fluorinated tetrafunctional resin. Finally, the influence of the curing cycle was studied and optimized. The surface properties of the cured resins were then characterized in terms of free surface energy with contact angle measurements.
引用
收藏
页码：452 / 460
页数：9
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