New Acrylated Oligomers with a Sulfide Group for Radiation-Curable Coatings

New Acrylated Oligomers with a Sulfide Group for Radiation-Curable Coatings

Dendritic oligomers were prepared using the Michael reaction of thiol with acrylates taken in excess. Liquid oligomers A−D demonstrate exceptional shelf life. When cured, the oligomer produces a coating with relatively high tensile strength and hardness that is akin to high viscosity dendritic ureth...

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Veröffentlicht in:Industrial & engineering chemistry research 2011-02, Vol.50 (3), p.1523-1529
Hauptverfasser: Aerykssen, James H, Khudyakov, Igor V
Format: Artikel
Sprache:eng
Schlagworte:
Applied Chemistry
Applied sciences
Chemical engineering
Exact sciences and technology
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Beschreibung
Zusammenfassung:Dendritic oligomers were prepared using the Michael reaction of thiol with acrylates taken in excess. Liquid oligomers A−D demonstrate exceptional shelf life. When cured, the oligomer produces a coating with relatively high tensile strength and hardness that is akin to high viscosity dendritic urethane acrylates. Oligomers A−C demonstrate a balance of properties in between the developed in our lab earlier dendritic polyester acrylates, BDE-1025 (low viscosity, lower hardness) and the dendritic urethane acrylates D and XDR-1416 (high viscosity, high hardness).
ISSN:0888-5885
1520-5045
DOI:10.1021/ie101816b