| 摘要 |
Disclosed are improved solid, colored wax-based article having longer color shelf-life. The invention comprises a synthetic wax, a colorant, and an effective amount of a compound of the formula (1)having symbols defined in the text.The preferred embodiments of the articles contain (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 cleaning compounds, carbon paper, and precision investment casting. |
