Photo-induced ring-opening polymerization of trimethylene carbonate-based liquid resins: Towards biodegradable patterned coatings

被引：3

作者：

Zivic, Nicolas ^{[1
]}

Brossier, Thomas ^{[1
]}

Crestey, Floriane ^{[1
]}

Catrouillet, Sylvain ^{[1
]}

Chemtob, Abraham ^{[2
]}

Heroguez, Valerie ^{[3
]}

Lacroix-Desmazes, Patrick ^{[1
]}

Joly-Duhamel, Christine ^{[1
]}

Blanquer, Sebastien ^{[1
]}

Pinaud, Julien ^{[1
]}

机构：

[1] Univ Montpellier, CNRS, ENSCM, ICGM, Montpellier, France

[2] Univ Haute Alsace, CNRS, IS2M, UMR7361, F-68100 Mulhouse, France

[3] Univ Bordeaux, CNRS, Bordeaux INP, LCPO,UMR 5629, F-33600 Pessac, France

来源：

PROGRESS IN ORGANIC COATINGS | 2022年 / 172卷

关键词：

Photopolymerization; Ring-opening polymerization; Photobase generator; Biodegradable thermosets; Trimethylene carbonate; TETRAPHENYLBORATE; PHOTOCATALYST;

D O I：

10.1016/j.porgcoat.2022.107128

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Patterned coatings based on biodegradable crosslinked poly(ester/carbonate) have been prepared by photo -induced ring-opening polymerization of a liquid bifunctional trimethylene carbonate-based monomer using poly(epsilon-caprolactone) triol as initiator and a guanidine superbase photogenerator activated by irradiation at 385 nm. The influence of various parameters on gel time such as components molar ratios, irradiation time or re-action temperature, has been evaluated by photorheometry. The formulation and experimental conditions of-fering the shortest gel times were then employed to produce a patterned coating by stereolithography. Sample thickness proves to be independent of irradiation time, but increases with reaction time, thus attesting of a dark polymerization.

引用

页数：8

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