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Process for synthesis of telechelic urethane acrylate UV curable pre-polymeric materials
Process for synthesis of telechelic urethane acrylate UV curable pre-polymeric materials
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机译:远螯螯合的聚氨酯丙烯酸酯可紫外线固化的预聚物材料的合成方法
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摘要
The present invention involves the design of a radiation curable organic pre polymer resin material based on urethane acrylic linkage synthesized from the natural renewable resource cardanol or a derivative thereof, for coating application. These new molecules have a faster and better curing rate compared to the starting renewable resource—cardanol. This is brought about by the hydrogen bonding of the urethane linkage which leads to a pre organization of the molecules in such a way as to bring the cross linkable double bonds closer to each other. The present invention also involves a UV curable formulation of the above mentioned resins along with 2-10 parts by weight of a photopolymerization initiator. The resin, either in a formulation or alone turns into a cross linked film upon photopolymerization in presence of photoinitiator under a UV curable radiation source like a mercury vapor pressure lamp.
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