Reversibly crosslinked self-healing PCL-based networks

被引：24

作者：

Mallek, Hichem ^{[1
,2
,3
,4
]}

Jegat, Corinne ^{[1
,2
,3
]}

Mignard, Nathalie ^{[1
,2
,3
]}

Abid, Majdi ^{[4
]}

Abid, Souhir ^{[4
]}

Taha, Mohamed ^{[1
,2
,3
]}

机构：

[1] Univ Lyon, F-42023 St Etienne, France

[2] CNRS, UMR 5223, F-42023 St Etienne, France

[3] Univ St Etienne, F-42023 St Etienne, France

[4] Univ Sfax, Lab Chim Appl HCGP, Fac Sci, Sfax 3000, Tunisia

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2013年 / 129卷 / 03期

关键词：

copolymers; crosslinking; properties and characterization; rheology; ringopening polymerization; DIELS-ALDER REACTIONS; EPSILON-CAPROLACTONE; POLYMER NETWORKS; LINKING; MALEIMIDE; STYRENE; EPOXY;

D O I：

10.1002/app.38595

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Poly(epsilon-caprolactone) (PCL)-based thermoreversible networks with self-healing properties were prepared through DielsAlder (DA) and retro-DA reactions. Bis- or Tris-maleimide compounds and a series of copolymer(caprolactone-diene) PCLXFY (X: degree of polymerization and Y: furan-average functionality) with Y between 2.4 and 4.9 were used. The successive sequences of formation and dissociation of polycaprolactone networks via DA and retro-DA reactions were observed repeatedly by dynamic mechanical analyses (DMA) and their gel-temperatures determined. The cross-linking densities, thermal properties, and thermal reversibility of the PCLXFY/multimaleimide polymers have been modulated by the structure and functionalities of the used diene and dienophile moieties. (c) 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013

引用

页码：954 / 964

页数：11

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