| 摘要 |
Disclosed are improved solid, colored wax-based articles having longer color shelf-life. The invention comprises a natural and/or synthetic wax, a colorant, and an effective amount of a compound of formula (1) having symbols defined in the text. The preferred embodiments of the articles contain formula (1) that exhibits a UV absorptivity greater than or equal to 70 liters per gram-cm at a wavelength of less than or equal to 400 nm, as measured in either methanol, toluene or chloroform, using a conventional UV spectrophotometer. The uses for the articles include candles, crayons, fertilizer coatings, rosebush coatings, plant grafting, sealants, sun-cracking protection of rubber and plastic products, paper coating, packaging food products, electrical insulation, waterproofing, and precision investment casting.
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