Development and Study of a Coupling Agent for Photocurable Hybrid Thiol/Ene/Cationic Formulations

被引：13

作者：

Acosta Ortiz, Ricardo ^{[1
]}

Garcia Valdez, Aida E. ^{[1
]}

Berlanga Duarte, Lydez ^{[1
]}

Guerrero Santos, Ramiro ^{[1
]}

Ovando Flores, Luis Rodolfo ^{[1
]}

Soucek, Mark D. ^{[2
]}

机构：

[1] Ctr Invest & Quim Aplicada, Saltillo 25100, Coahuila, Mexico

[2] Univ Akron, Dept Polymer Engn, Akron, OH 44325 USA

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2008年 / 209卷 / 20期

关键词：

cationic; DMA; hybrid; photopolymerization; thiol/ene;

D O I：

10.1002/macp.200800305

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

It is demonstrated that the mechanical properties of the resulting polymers can be enhanced by adding a coupling agent to a hybrid thiol/ene/cationic system. The coupling agent was a hybrid monomer with methacrylic and epoxycyclohexyl groups linked by a tetramethyldisiloxane moiety. The methacrylic group of the coupling agent reacted in a first stage with the components of the thiol/ene system obtaining a polymer functionalized with epoxycyclohexyl groups. This polymer could react further with the epoxy monomer of the cationic system to form a copolymer. The viscoelastic properties of the obtained polymers were compared by DMA, finding an increment in the storage modulus of the polymers with the coupling agent, ranging from 18 to 67%.

引用

页码：2157 / 2168

页数：12

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