التفاصيل البيبلوغرافية
| العنوان: |
Radiation-induced cross-linking polymerization: Recent developments for coating and composite applications. |
| المؤلفون: |
Coqueret, Xavier |
| المصدر: |
Nukleonika; Jun2024, Vol. 69 Issue 2, p37-44, 8p |
| مصطلحات موضوعية: |
CROSSLINKING (Polymerization), COMPOSITE coating, ADDITION polymerization, PARAMETRIC processes, SURFACE properties |
| مستخلص: |
Radiation-initiated cross-linking polymerization of multifunctional monomers is an attractive method used for drying solvent-free liquid coatings, inks, and adhesive as well as for fabricating high-performance composite materials. The method offers a number of advantages compared with thermal curing processes. Free radical and cationic polymerization have been investigated in detail over the past years. A high degree of control over curing kinetics and material properties can be exerted by adjusting the composition of matrix precursors and/or by acting on the process parameters (overall dose, dose rate, dose increment, initial temperature). Several pending issues that require deeper investigations are as follows: (i) the fast polymerization of multifunctional monomers generates micro-heterogeneous networks requiring detailed characterization and quantification by microscopic, thermal, and spectroscopic analyses; (ii) the adhesion and surface properties of radiation-cured coatings are quite sensitive to processing parameters; and (iii) significant enhancement of the toughness is needed to qualify potential matrices based on simple difunctional monomers for high-performance composites. Recent results show that the bulk and surface properties of radiation-cured materials can be improved by advanced formulation of matrix precursors and by a parametric study of the processing factors. [ABSTRACT FROM AUTHOR] |
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