2005
DOI: 10.1002/app.21573
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Synthesis and modification of epoxy‐ and hydroxy‐functional microspheres

Abstract: This article describes the synthesis and surface modification of epoxy-and hydroxy-functional polymeric microspheres. The functionalized microspheres were synthesized using aqueous and nonaqueous cationic suspension photopolymerizations using multifunctional silicon-containing epoxy monomers with iodonium salt photoinitiators. Although generally solid microspheres were obtained using these techniques, macroporous spheres could be obtained though the use of porogens. Various rapid and facile acid-and base-catal… Show more

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Cited by 19 publications
(14 citation statements)
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“…24 The epoxy groups are however available for further chemical modification reactions. 25 The introduction of acrylate or methacrylate functions in a polymer or oligomer is generally made with the aim of polymerization or copolymerization of the double bonds leading to network or grafted copolymers. 26 More recently, researchers have begun to explore the feasibility of manufacturing polymer composites from epoxidized soybean oil and this is the background that motivated these studies, which investigate organic synthetic methods for epoxy functionalisation.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…24 The epoxy groups are however available for further chemical modification reactions. 25 The introduction of acrylate or methacrylate functions in a polymer or oligomer is generally made with the aim of polymerization or copolymerization of the double bonds leading to network or grafted copolymers. 26 More recently, researchers have begun to explore the feasibility of manufacturing polymer composites from epoxidized soybean oil and this is the background that motivated these studies, which investigate organic synthetic methods for epoxy functionalisation.…”
Section: Introductionmentioning
confidence: 99%
“…Epoxidized soybean oil can be used as a reactive modifier for epoxy resin systems 24. The epoxy groups are however available for further chemical modification reactions 25. The introduction of acrylate or methacrylate functions in a polymer or oligomer is generally made with the aim of polymerization or copolymerization of the double bonds leading to network or grafted copolymers 26.…”
Section: Introductionmentioning
confidence: 99%
“…Porogen agents were also introduced into the dispersed monomer phase to induce a macroporous structure of the particles. The porosity of the microspheres could be finely tailored by using different nonvolatile porogen agents that are soluble in the monomer droplets and insoluble in the polymer [85,231]. Another example of photoinitiated cationic polymerization of vinyl ethers in a dispersed system close to suspension polymerization was reported by Yagci and coworkers [232].…”
Section: Adaptation To Photoinitiationmentioning
confidence: 99%
“…Monomer structures and TEM images were taken from reference [85] and reproduced with permission of the copyright owners. The epoxy functionality at the particle surface can be modified to have access to other functionalities [231].…”
Section: Adaptation To Photoinitiationmentioning
confidence: 99%
“…Piradashvili et al suggested the use of water-tolerant catalyst such as the Lewis acid Yb(OTf) 3 to achieve the synthesis of epoxy functionalized microspheres through emulsion cationic polymerization. Cationic ring-opening epoxy photopolymerization was performed in water by Crivello under aqueous suspension conditions [8,9]. In those papers Crivello suggested the use of a silicone epoxy monomer and an appropriate cationic photoinitaitor soluble in the hydrophobic monomer.…”
Section: Emulsion Cationic Photopolymerization In Watermentioning
confidence: 99%