期刊
POLYMER INTERNATIONAL
卷 71, 期 7, 页码 790-796出版社
WILEY
DOI: 10.1002/pi.6313
关键词
photopolymers; vinyl ester copolymers; Kelen-Tudos; RT-NIR photorheology; photoreactor
资金
- Christian Doppler Research Association (Christian Doppler Laboratory for Advanced Polymers for Biomaterials and 3D Printing)
- Austrian Federal Ministry for Digital and Economic Affairs
- National Foundation for Research, Technology and Development
Vinyl ester-based monomers have shown promise as alternatives to (meth)acrylates in radical photopolymerization due to their lower irritancy and cytotoxicity. Their increasing importance is attributed to cost-efficient synthetic production methods and improved material properties, particularly when copolymerized with other monomers. Studies on the copolymerization behavior of vinyl ester with norbornene, allyl ether and allyl ester have provided valuable insights into the polymer network of these copolymers.
Vinyl ester-based monomers for radical photopolymerization have recently been shown to be promising alternatives to (meth)acrylates through lower irritancy and cytotoxicity. Vinyl ester monomers are becoming increasingly important on account of new, more cost-efficient synthetic production methods, not to forget their increased reactivity and improved material properties in combination with thiol-ene polymerization. Due to their biocompatibility and degradability, these monomers are more frequently used in tissue engineering. Nevertheless, the material properties can be improved by possible copolymerizations with other monomers. Therefore, the copolymerization behavior of vinyl ester with norbornene, allyl ether and allyl ester has been studied fundamentally in a photoreactor via free radical photopolymerization. Here, the consumption of double bonds of the monomers has been identified using NMR spectroscopy. Copolymerization parameters have been determined using the Kelen-Tudos method. Results show equal consumption of vinyl ester and co-monomer double bonds leading to alternating copolymerizations. The double bond conversion was confirmed via in situ real-time near-infrared photorheology. Mono- and difunctional vinyl esters with co-monomers have also provided further insight into the polymer network of these copolymers. (c) 2021 The Authors. Polymer International published by John Wiley & Sons Ltd on behalf of Society of Industrial Chemistry.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据