摘要:
Provided are certain novel substituted 2(5H)furanone compounds which are useful as ultraviolet/visible light absorbing compounds. Also provided are polyester compositions having such compounds copolymerized therein and shaped or formed articles comprised of such polyester compositions.
摘要:
Provided are novel light-absorbing polyurethane compositions and blends of said polyurethane compositions with other thermoplastic polymers. Also provided are shaped or formed articles comprised of the light-absorbing polyurethane compositions and light-absorbing thermoplastic polymer blends.
摘要:
Provided are novel methine colorants derived from acetaldehyde, 1,3-dihydro-7-methoxycarbonyl-1,1,3-trimethyl-2H-benz[e]indol-2-ylidine and polyester compositions and concentrates having these colorants copolymerized therein. Also provided are novel intermediates useful for making the colorants.