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Hindered amine-substituted dihydropyridines and heat/light stabilization of polymer substrates therewith
Hindered amine-substituted dihydropyridines and heat/light stabilization of polymer substrates therewith
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机译:受阻胺取代的二氢吡啶及其聚合物基质的热/光稳定性
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摘要
Novel dihydropyridine compounds bearing substituted piperidyl substituents are effective heat/light stabilizers for a wide variety of polymer substrates, e.g., for halopolymers such as PVC, and are also effective anti-UV agents and antioxidants for such polymers as polyolefins, polystyrenes, polyalkadienes, polyurethanes, polyamides, polyesters, polycarbonates, polysulfones, polyethersulfones, polyetherketones, acrylic polymers, or copolymers or mixtures thereof.
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