申请人:——
公开号:US20010051680A1
公开(公告)日:2001-12-13
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)
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.
本发明公开了具有更长颜色保存期的改进型固体有色蜡基制品。本发明包括合成蜡、着色剂和有效量的式 (1) 化合物
1
文中定义的符号。
本发明的优选实施例中,(1)在波长小于或等于 400 纳米的甲醇、甲苯或氯仿中,用常规紫外分光光度计测量,紫外线吸收率大于或等于 70 升/克-厘米。
这些物品的用途包括蜡烛、蜡笔、肥料涂层、玫瑰树丛涂层、植物嫁接、密封剂、橡胶和塑料产品的防晒裂保护、纸张涂层、食品包装、电绝缘、防水和清洁化合物、碳纸和精密投资铸造。