prov:value
| - The near-infrared ray absorbing polyazo compound of the present invention, synthesized as d escribed above, can be used by adding the same to various polymers, for example, acrylic resins such as polymethyl methacrylate, polystyrenes, polyesters, polycarbonates, polyamides, vinyl polymers such as polyvinyl chlorides, polyvinyl acetates, etc., or polyolefins such as polyethylene, polypropylene, etc
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